{"id":6302,"date":"2025-06-15T13:16:53","date_gmt":"2025-06-15T13:16:53","guid":{"rendered":"https:\/\/vibromera.eu\/?p=6302"},"modified":"2026-07-11T16:03:34","modified_gmt":"2026-07-11T16:03:34","slug":"vibration-diagnostics-of-railway-locomotive-components","status":"publish","type":"post","link":"https:\/\/vibromera.eu\/lv\/content\/vibration-diagnostics-of-railway-locomotive-components\/","title":{"rendered":"Dzelzce\u013ca lokomot\u012bvju sast\u0101vda\u013cu vibr\u0101cijas diagnostika"},"content":{"rendered":"
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\n\n\n \n \n Dzelzce\u013ca lokomot\u012bvju sast\u0101vda\u013cu vibr\u0101cijas diagnostika: visaptvero\u0161a rokasgr\u0101mata remonta in\u017eenieriem<\/title>\n <style>\n body {\n font-family: Arial, sans-serif;\n line-height: 1.6;\n margin: 0;\n padding: 20px;\n background-color: #f5f5f5;\n }\n .container {\n max-width: 1800px;\n margin: 0 auto;\n background-color: white;\n padding: 30px;\n border-radius: 10px;\n box-shadow: 0 0 20px rgba(0,0,0,0.1);\n }\n h1 {\n color: #2c3e50;\n border-bottom: 3px solid #3498db;\n padding-bottom: 10px;\n }\n h2 {\n color: #34495e;\n margin-top: 30px;\n border-left: 4px solid #3498db;\n padding-left: 15px;\n }\n h3 {\n color: #2c3e50;\n margin-top: 25px;\n }\n .glossary {\n background-color: #ecf0f1;\n padding: 20px;\n border-radius: 5px;\n margin: 20px 0;\n }\n .glossary h3 {\n color: #2c3e50;\n margin-top: 0;\n }\n .infographic {\n background-color: #f8f9fa;\n border: 2px solid #3498db;\n border-radius: 10px;\n padding: 20px;\n margin: 20px 0;\n text-align: center;\n }\n .formula {\n background-color: #fff;\n border: 1px solid #bdc3c7;\n padding: 15px;\n margin: 15px 0;\n border-radius: 5px;\n font-family: 'Courier New', monospace;\n }\n .example {\n background-color: #e8f5e8;\n border-left: 4px solid #27ae60;\n padding: 15px;\n margin: 15px 0;\n }\n .warning {\n background-color: #fdeaea;\n border-left: 4px solid #e74c3c;\n padding: 15px;\n margin: 15px 0;\n }\n .note {\n background-color: #e3f2fd;\n border-left: 4px solid #2196f3;\n padding: 15px;\n margin: 15px 0;\n }\n table {\n border-collapse: collapse;\n width: 100%;\n margin: 20px 0;\n }\n th, td {\n border: 1px solid #ddd;\n padding: 12px;\n text-align: left;\n }\n th {\n background-color: #3498db;\n color: white;\n }\n tr:nth-child(even) {\n background-color: #f2f2f2;\n }\n .technical-diagram {\n width: 100%;\n max-width: 600px;\n margin: 20px auto;\n display: block;\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"container\">\n <h1>Dzelzce\u013ca lokomot\u012bvju sast\u0101vda\u013cu vibr\u0101cijas diagnostika: visaptvero\u0161a rokasgr\u0101mata remonta in\u017eenieriem<\/h1>\n\n <div class=\"glossary\">\n <h2 class=\"vbm-hh-p6302-1\">Galven\u0101 terminolo\u0123ija un sa\u012bsin\u0101jumi<\/h2>\n <ul>\n <li><strong>WGB (rite\u0146u komplekts-zobratu bloks)<\/strong> Meh\u0101niska mezgla, kas apvieno rite\u0146u p\u0101ra un p\u0101rnesumu reduktora komponentus<\/li>\n <li><strong>WS (rite\u0146u komplekts)<\/strong> Rite\u0146u p\u0101ris, kas stingri savienots ar asi<\/li>\n <li><strong>WMB (rite\u0146u komplekts-motora bloks)<\/strong> Integr\u0113ta vien\u012bba, kas apvieno vilces motoru un rite\u0146u komplektu<\/li>\n <li><strong>TEM (vilces elektromotors)<\/strong> Prim\u0101rais elektromotors, kas nodro\u0161ina lokomot\u012bves vilces jaudu<\/li>\n <li><strong>AM (Pal\u012bgma\u0161\u012bnas)<\/strong> Papildu apr\u012bkojums, tostarp ventilatori, s\u016bk\u0146i, kompresori<\/li>\n <\/ul>\n <\/div>\n\n <h2>2.3.1.1. Vibr\u0101cijas pamati: sv\u0101rst\u012bbu sp\u0113ki un vibr\u0101cija rot\u0113jo\u0161\u0101s iek\u0101rt\u0101s<\/h2>\n\n <h3>Meh\u0101nisk\u0101s vibr\u0101cijas pamatprincipi<\/h3>\n\n <p>Meh\u0101nisk\u0101 vibr\u0101cija atspogu\u013co meh\u0101nisko sist\u0113mu sv\u0101rst\u012bbu kust\u012bbu ap to l\u012bdzsvara poz\u012bcij\u0101m. In\u017eenieriem, kas str\u0101d\u0101 ar lokomot\u012bvju komponentiem, ir j\u0101saprot, ka vibr\u0101cija izpau\u017eas tr\u012bs pamatparametros: p\u0101rvietojum\u0101, \u0101trum\u0101 un pa\u0101trin\u0101jum\u0101. Katrs parametrs sniedz unik\u0101lu ieskatu iek\u0101rtu st\u0101vokl\u012b un ekspluat\u0101cijas raksturlielumos.<\/p>\n\n <p><strong>Vibr\u0101cijas p\u0101rvietojums<\/strong> m\u0113ra deta\u013cas faktisko fizisko kust\u012bbu no t\u0101s miera st\u0101vok\u013ca. \u0160is parametrs ir \u012bpa\u0161i v\u0113rt\u012bgs zemfrekvences vibr\u0101ciju anal\u012bzei, kas parasti rodas rot\u0113jo\u0161u ma\u0161\u012bnu nel\u012bdzsvarot\u012bbas un pamatu probl\u0113mu gad\u012bjum\u0101. Nob\u012bdes amplit\u016bda tie\u0161i korel\u0113 ar nodiluma mode\u013ciem gult\u0146u virsm\u0101s un savienojuma komponentos.<\/p>\n\n <p><strong>Vibr\u0101cijas \u0101trums<\/strong> att\u0113lo p\u0101rvietojuma izmai\u0146u \u0101trumu laika gait\u0101. \u0160is parametrs demonstr\u0113 izcilu jut\u012bbu pret meh\u0101niskiem defektiem pla\u0161\u0101 frekven\u010du diapazon\u0101, padarot to par vispla\u0161\u0101k izmantoto parametru r\u016bpnieciskaj\u0101 vibr\u0101cijas uzraudz\u012bb\u0101. \u0100truma m\u0113r\u012bjumi efekt\u012bvi atkl\u0101j reduktoru, motora gult\u0146u un savienojuma sist\u0113mu defektus, pirms tie sasniedz kritiskos posmus.<\/p>\n\n <p><strong>Vibr\u0101cijas pa\u0101trin\u0101jums<\/strong> m\u0113ra \u0101truma izmai\u0146u \u0101trumu laika gait\u0101. Augstas frekvences pa\u0101trin\u0101juma m\u0113r\u012bjumi ir lieliski piem\u0113roti agr\u012bnas stadijas gult\u0146u defektu, zobratu zobu boj\u0101jumu un trieciena izrais\u012btu par\u0101d\u012bbu noteik\u0161anai. Pa\u0101trin\u0101juma parametrs k\u013c\u016bst arvien svar\u012bg\u0101ks, uzraugot \u0101trgaitas pal\u012bgma\u0161\u012bnas un nosakot trieciena tipa slodzes.<\/p>\n\n <div class=\"formula\">\n <strong>Matem\u0101tisk\u0101s attiec\u012bbas:<\/strong><br>\n \u0100trums (v) = dD\/dt (p\u0101rvietojuma atvasin\u0101jums)<br>\n Pa\u0101trin\u0101jums (a) = dv\/dt = d\u00b2D\/dt\u00b2 (p\u0101rvietojuma otrais atvasin\u0101jums)<br>\n <br>\n Sinusoid\u0101lai vibr\u0101cijai:<br>\n v = 2\u03c0f \u00d7 D<br>\n a = (2\u03c0f)\u00b2 \u00d7 D<br>\n Kur: f = frekvence (Hz), D = p\u0101rvietojuma amplit\u016bda\n <\/div>\n\n <h3>Perioda un frekvences raksturojums<\/h3>\n\n <p>Periods (T) apz\u012bm\u0113 laiku, kas nepiecie\u0161ams vienam pilnam sv\u0101rst\u012bbu ciklam, savuk\u0101rt frekvence (f) nor\u0101da ciklu skaitu laika vien\u012bb\u0101. \u0160ie parametri veido pamatu vis\u0101m vibr\u0101ciju anal\u012bzes metod\u0113m, ko izmanto lokomot\u012bvju diagnostik\u0101.<\/p>\n\n <p>Dzelzce\u013ca lokomot\u012bvju komponenti darbojas da\u017e\u0101dos frekven\u010du diapazonos. Rite\u0146p\u0101ru rot\u0101cijas frekvences norm\u0101las darb\u012bbas laik\u0101 parasti ir no 5 l\u012bdz 50 Hz, savuk\u0101rt zobratu sazobes frekvences ir no 200 l\u012bdz 2000 Hz atkar\u012bb\u0101 no p\u0101rnesumu skait\u013ciem un rot\u0101cijas \u0101trumiem. Gult\u0146u defektu frekvences bie\u017ei izpau\u017eas 500\u20135000 Hz diapazon\u0101, un t\u0101m ir nepiecie\u0161amas specializ\u0113tas m\u0113r\u012b\u0161anas metodes un anal\u012bzes metodes.<\/p>\n\n <div class=\"example\">\n <strong>Piem\u0113rs:<\/strong> Lokomot\u012bves rite\u0146p\u0101ris ar 1250 mm diametra rite\u0146iem, kas p\u0101rvietojas ar \u0101trumu 100 km\/h, \u0123ener\u0113 aptuveni 7,1 Hz rot\u0101cijas frekvenci. Ja \u0161is rite\u0146p\u0101ris darbojas ar p\u0101rnesumu attiec\u012bbu 15:1, motora rot\u0101cijas frekvence sasniedz 106,5 Hz. \u0160\u012bs pamatfrekvences kalpo k\u0101 atskaites punkti saist\u012bto harmoniku un defektu frekven\u010du noteik\u0161anai.\n <\/div>\n\n <h3>Absol\u016bt\u0101s un relat\u012bv\u0101s vibr\u0101cijas m\u0113r\u012bjumi<\/h3>\n\n <p>Absol\u016bt\u0101s vibr\u0101cijas m\u0113r\u012bjumi atsaucas vibr\u0101cijas amplit\u016bdu uz fiks\u0113tu koordin\u0101tu sist\u0113mu, parasti uz zemes vai inerci\u0101l\u0101s atskaites sist\u0113mas. Seismiskie akselerometri un \u0101truma dev\u0113ji nodro\u0161ina absol\u016btos m\u0113r\u012bjumus, izmantojot iek\u0161\u0113j\u0101s inerci\u0101l\u0101s masas, kas paliek nekust\u012bgas, kam\u0113r sensora korpuss p\u0101rvietojas kop\u0101 ar uzraug\u0101mo komponentu.<\/p>\n\n <p>Relat\u012bv\u0101s vibr\u0101cijas m\u0113r\u012bjumi sal\u012bdzina vienas komponentes vibr\u0101ciju ar citas kust\u012bgas komponentes vibr\u0101ciju. Uz gult\u0146u korpusiem uzst\u0101d\u012bt\u0101s tuvuma zondes m\u0113ra v\u0101rpstas vibr\u0101ciju attiec\u012bb\u0101 pret gultni, sniedzot svar\u012bgu inform\u0101ciju par rotora dinamiku, termisko izple\u0161anos un gult\u0146a kl\u012brensa izmai\u0146\u0101m.<\/p>\n\n <p>Lokomot\u012bvju pielietojumos in\u017eenieri liel\u0101kaj\u0101 da\u013c\u0101 diagnostikas proced\u016bru parasti izmanto absol\u016btos m\u0113r\u012bjumus, jo tie sniedz visaptvero\u0161u inform\u0101ciju par komponentu kust\u012bbu un var noteikt gan meh\u0101niskas, gan struktur\u0101las probl\u0113mas. Relat\u012bvie m\u0113r\u012bjumi k\u013c\u016bst svar\u012bgi, analiz\u0113jot lielas rot\u0113jo\u0161as ma\u0161\u012bnas, kur v\u0101rpstas kust\u012bba attiec\u012bb\u0101 pret gult\u0146iem nor\u0101da uz iek\u0161\u0113j\u0101s kl\u012brensa probl\u0113m\u0101m vai rotora nestabilit\u0101ti.<\/p>\n\n <h3>Line\u0101r\u0101s un logaritmisk\u0101s m\u0113rvien\u012bbas<\/h3>\n\n <p>Line\u0101r\u0101s m\u0113rvien\u012bbas izsaka vibr\u0101cijas amplit\u016bdas tie\u0161os fizik\u0101los lielumos, piem\u0113ram, milimetros (mm) p\u0101rvietojumam, milimetros sekund\u0113 (mm\/s) \u0101trumam un metros sekund\u0113 kvadr\u0101t\u0101 (m\/s\u00b2) pa\u0101trin\u0101jumam. \u0160\u012bs m\u0113rvien\u012bbas veicina tie\u0161u korel\u0101ciju ar fizik\u0101l\u0101m par\u0101d\u012bb\u0101m un sniedz intuit\u012bvu izpratni par vibr\u0101cijas intensit\u0101ti.<\/p>\n\n <p>Logaritmisk\u0101s m\u0113rvien\u012bbas, \u012bpa\u0161i decibeli (dB), saspie\u017e pla\u0161us dinamiskos diapazonus p\u0101rvald\u0101m\u0101s skal\u0101s. Decibelu skala ir \u012bpa\u0161i v\u0113rt\u012bga, analiz\u0113jot platjoslas vibr\u0101ciju spektrus, kur amplit\u016bdas vari\u0101cijas aptver vair\u0101kas lieluma k\u0101rtas. Daudzi m\u016bsdienu vibr\u0101ciju analizatori pied\u0101v\u0101 gan line\u0101ras, gan logaritmiskas att\u0113lo\u0161anas iesp\u0113jas, lai piel\u0101gotos da\u017e\u0101d\u0101m anal\u012bzes pras\u012bb\u0101m.<\/p>\n\n <div class=\"formula\">\n <strong>Decibelu konvert\u0113\u0161ana:<\/strong><br>\n dB = 20 \u00d7 log\u2081\u2080(A\/A\u2080)<br>\n Kur: A = izm\u0113r\u012bt\u0101 amplit\u016bda, A\u2080 = atskaites amplit\u016bda<br>\n <br>\n Bie\u017ei sastopam\u0101s atsauces v\u0113rt\u012bbas:<br>\n Nob\u012bde: 1 \u03bcm<br>\n \u0100trums: 1 \u03bcm\/s<br>\n Pa\u0101trin\u0101jums: 1 \u03bcm\/s\u00b2\n <\/div>\n\n <h3>Starptautiskie standarti un regul\u0113jums<\/h3>\n\n <p>Starptautisk\u0101 standartiz\u0101cijas organiz\u0101cija (ISO) ir noteikusi glob\u0101li atz\u012btus vibr\u0101cijas m\u0113r\u012b\u0161anas un anal\u012bzes standartus. ISO 10816 s\u0113rija defin\u0113 vibr\u0101cijas nopietn\u012bbas krit\u0113rijus da\u017e\u0101d\u0101m ma\u0161\u012bnu klas\u0113m, savuk\u0101rt ISO 13373 attiecas uz st\u0101vok\u013ca uzraudz\u012bbas un diagnostikas proced\u016br\u0101m.<\/p>\n\n <p>Dzelzce\u013ca lietojumos in\u017eenieriem j\u0101\u0146em v\u0113r\u0101 \u012bpa\u0161i standarti, kas attiecas uz unik\u0101l\u0101m ekspluat\u0101cijas vid\u0113m. ISO 14837-1 sniedz vadl\u012bnijas par zemes vibr\u0101cij\u0101m dzelzce\u013ca sist\u0113m\u0101m, savuk\u0101rt EN 15313 nosaka dzelzce\u013ca lietojumu specifik\u0101cijas rite\u0146u p\u0101ru un rati\u0146u r\u0101mja konstrukcijai, \u0146emot v\u0113r\u0101 vibr\u0101cijas.<\/p>\n\n <p>Krievijas GOST standarti papildina starptautisk\u0101s pras\u012bbas ar re\u0123ioniem specifiskiem noteikumiem. GOST 25275 nosaka vibr\u0101cijas m\u0113r\u012b\u0161anas proced\u016bras rot\u0113jo\u0161\u0101m ma\u0161\u012bn\u0101m, savuk\u0101rt GOST R 52161 attiecas uz dzelzce\u013ca rito\u0161\u0101 sast\u0101va vibr\u0101cijas test\u0113\u0161anas pras\u012bb\u0101m.<\/p>\n\n <div class=\"note\">\n <strong>Svar\u012bgi:<\/strong> In\u017eenieriem ir j\u0101nodro\u0161ina, lai m\u0113riek\u0101rtu kalibr\u0113\u0161anas sertifik\u0101ti b\u016btu aktu\u0101li un atbilstu valsts standartiem. Kalibr\u0113\u0161anas interv\u0101li parasti ir no 12 l\u012bdz 24 m\u0113ne\u0161iem atkar\u012bb\u0101 no iek\u0101rtu lieto\u0161anas un vides apst\u0101k\u013ciem.\n <\/div>\n\n <h3>Vibr\u0101cijas sign\u0101lu klasifik\u0101cijas<\/h3>\n\n <p><strong>Periodiska vibr\u0101cija<\/strong> atk\u0101rto identiskus mode\u013cus regul\u0101ros laika interv\u0101los. Rot\u0113jo\u0161as ma\u0161\u012bnas \u0123ener\u0113 galvenok\u0101rt periodiskas vibr\u0101cijas, kas saist\u012btas ar rot\u0101cijas \u0101trumiem, zobratu sazobes frekvenc\u0113m un gult\u0146u elementu p\u0101rej\u0101m. \u0160ie paredzamie mode\u013ci \u013cauj prec\u012bzi identific\u0113t defektus un nov\u0113rt\u0113t to nopietn\u012bbu.<\/p>\n\n <p><strong>Nejau\u0161a vibr\u0101cija<\/strong> uzr\u0101da statistiskas, nevis deterministiskas \u012bpa\u0161\u012bbas. Berzes izrais\u012bta vibr\u0101cija, turbulentas pl\u016bsmas troksnis un ce\u013ca\/slie\u017eu mijiedarb\u012bba rada nejau\u0161as vibr\u0101cijas komponentes, kuru pareizai interpret\u0101cijai nepiecie\u0161amas statistisk\u0101s anal\u012bzes metodes.<\/p>\n\n <p><strong>P\u0101rejo\u0161a vibr\u0101cija<\/strong> notiek k\u0101 atsevi\u0161\u0137i notikumi ar ierobe\u017eotu ilgumu. Trieciena slodzes, zobratu zobu sa\u0137ere un gult\u0146u elementu triecieni rada p\u0101rejo\u0161as vibr\u0101cijas, kur\u0101m nepiecie\u0161amas specializ\u0113tas anal\u012bzes metodes, piem\u0113ram, laika sinhron\u0101 vid\u0113jo\u0161ana un aploksnes anal\u012bze.<\/p>\n\n <h3>Vibr\u0101cijas amplit\u016bdas apraksti<\/h3>\n\n <p>In\u017eenieri izmanto da\u017e\u0101dus amplit\u016bdas deskriptorus, lai efekt\u012bvi raksturotu vibr\u0101cijas sign\u0101lus. Katrs deskriptors sniedz unik\u0101lu ieskatu vibr\u0101cijas raksturlielumos un defektu att\u012bst\u012bbas mode\u013cos.<\/p>\n\n <p><strong>Maksim\u0101l\u0101 amplit\u016bda<\/strong> apz\u012bm\u0113 maksim\u0101lo moment\u0101no v\u0113rt\u012bbu, kas rodas m\u0113r\u012b\u0161anas period\u0101. \u0160is parametrs efekt\u012bvi identific\u0113 trieciena tipa notikumus un trieciena slodzes, bet var neprec\u012bzi att\u0113lot nep\u0101rtrauktas vibr\u0101cijas l\u012bme\u0146us.<\/p>\n\n <p><strong>Vid\u0113j\u0101 kvadr\u0101tisk\u0101 (RMS) amplit\u016bda<\/strong> nodro\u0161ina vibr\u0101cijas sign\u0101la efekt\u012bvo ener\u0123ijas saturu. RMS v\u0113rt\u012bbas labi korel\u0113 ar ma\u0161\u012bnas nodiluma \u0101trumu un ener\u0123ijas izkliedi, padarot \u0161o parametru ide\u0101li piem\u0113rotu tenden\u010du anal\u012bzei un nopietn\u012bbas nov\u0113rt\u0113\u0161anai.<\/p>\n\n <p><strong>Vid\u0113j\u0101 amplit\u016bda<\/strong> apz\u012bm\u0113 absol\u016bt\u0101s amplit\u016bdas v\u0113rt\u012bbu aritm\u0113tisko vid\u0113jo m\u0113r\u012bjumu period\u0101. \u0160is parametrs labi korel\u0113 ar virsmas apdari un nodiluma raksturlielumiem, ta\u010du var nepietiekami nov\u0113rt\u0113t periodisku defektu paz\u012bmes.<\/p>\n\n <p><strong>Amplit\u016bda no virsotnes l\u012bdz virsotnei<\/strong> m\u0113ra kop\u0113jo novirzi starp maksim\u0101l\u0101s pozit\u012bv\u0101s un negat\u012bv\u0101s amplit\u016bdas v\u0113rt\u012bb\u0101m. \u0160is parametrs ir v\u0113rt\u012bgs, lai nov\u0113rt\u0113tu ar kl\u012brensu saist\u012btas probl\u0113mas un identific\u0113tu meh\u0101nisko va\u013c\u012bgumu.<\/p>\n\n <p><strong>Virsotnes koeficients<\/strong> att\u0113lo maksim\u0101l\u0101s amplit\u016bdas attiec\u012bbu pret RMS amplit\u016bdu, sniedzot ieskatu sign\u0101la raksturlielumos. Zems maksimuma koeficients (1,4\u20132,0) nor\u0101da galvenok\u0101rt uz sinusoid\u0101lu vibr\u0101ciju, savuk\u0101rt augsts maksimuma koeficients (>4,0) liecina par impuls\u012bvu vai trieciena tipa uzved\u012bbu, kas rakstur\u012bga gult\u0146u defektu att\u012bst\u012bbai.<\/p>\n\n <div class=\"formula\">\n <strong>Augst\u0101k\u0101 faktora apr\u0113\u0137ins:<\/strong><br>\n CF = maksim\u0101l\u0101 amplit\u016bda \/ kvadr\u0101tisk\u0101 amplit\u016bda<br>\n <br>\n Tipiskas v\u0113rt\u012bbas:<br>\n Sinusa vilnis: CF = 1,414<br>\n Baltais troksnis: CF \u2248 3,0<br>\n Gult\u0146u defekti: CF > 4,0\n <\/div>\n\n <h3>Vibr\u0101cijas sensoru tehnolo\u0123ijas un uzst\u0101d\u012b\u0161anas metodes<\/h3>\n\n <p>Akselerometri ir vispus\u012bg\u0101kie vibr\u0101cijas sensori lokomot\u012bvju lietojumos. Pjezoelektriskie akselerometri \u0123ener\u0113 elektrisko l\u0101di\u0146u proporcion\u0101li pielietotajam pa\u0101trin\u0101jumam, pied\u0101v\u0101jot izcilu frekven\u010du raksturl\u012bkni no 2 Hz l\u012bdz 10 kHz ar minim\u0101lu f\u0101zes krop\u013cojumu. \u0160ie sensori demonstr\u0113 izcilu iztur\u012bbu skarbos dzelzce\u013ca apst\u0101k\u013cos, vienlaikus saglab\u0101jot augstu jut\u012bbu un zemu trok\u0161\u0146a l\u012bmeni.<\/p>\n\n <p>\u0100truma dev\u0113ji izmanto elektromagn\u0113tisk\u0101s indukcijas principus, lai \u0123ener\u0113tu sprieguma sign\u0101lus, kas ir proporcion\u0101li vibr\u0101cijas \u0101trumam. \u0160ie sensori izce\u013cas ar zemas frekvences lietojumiem (0,5\u20131000 Hz) un nodro\u0161ina lab\u0101ku sign\u0101la un trok\u0161\u0146a attiec\u012bbu ma\u0161\u012bnu uzraudz\u012bbas lietojumos. Tom\u0113r to liel\u0101ks izm\u0113rs un temperat\u016bras jut\u012bba var ierobe\u017eot uzst\u0101d\u012b\u0161anas iesp\u0113jas uz kompakt\u0101m lokomot\u012bvju deta\u013c\u0101m.<\/p>\n\n <p>Tuvuma zondes izmanto virpu\u013cstr\u0101vu principus, lai m\u0113r\u012btu relat\u012bvo nob\u012bdi starp sensoru un m\u0113r\u0137a virsmu. \u0160ie sensori ir nenov\u0113rt\u0113jami v\u0101rpstas vibr\u0101cijas uzraudz\u012bbai un gult\u0146u kl\u012brensa nov\u0113rt\u0113\u0161anai, ta\u010du tiem nepiecie\u0161amas r\u016bp\u012bgas uzst\u0101d\u012b\u0161anas un kalibr\u0113\u0161anas proced\u016bras.<\/p>\n\n <div class=\"infographic\">\n <h4>Sensora izv\u0113les ce\u013cvedis<\/h4>\n <table>\n <tr>\n <th>Sensora tips<\/th>\n <th>Frekven\u010du diapazons<\/th>\n <th>Lab\u0101k\u0101s lietojumprogrammas<\/th>\n <th>Instal\u0113\u0161anas piez\u012bmes<\/th>\n <\/tr>\n <tr>\n <td>Pjezoelektriskais akselerometrs<\/td>\n <td>2 Hz\u201310 kHz<\/td>\n <td>Visp\u0101r\u0113jas noz\u012bmes, gult\u0146u uzraudz\u012bba<\/td>\n <td>Stingra mont\u0101\u017ea ir b\u016btiska<\/td>\n <\/tr>\n <tr>\n <td>\u0100truma dev\u0113js<\/td>\n <td>0,5 Hz\u20131 kHz<\/td>\n <td>Zema \u0101truma tehnika, nel\u012bdzsvarot\u012bba<\/td>\n <td>Nepiecie\u0161ama temperat\u016bras kompens\u0101cija<\/td>\n <\/tr>\n <tr>\n <td>Tuvuma zonde<\/td>\n <td>L\u012bdzstr\u0101va - 10 kHz<\/td>\n <td>V\u0101rpstas vibr\u0101cijas, kl\u012brensa kontrole<\/td>\n <td>M\u0113r\u0137a materi\u0101ls ir kritiski svar\u012bgs<\/td>\n <\/tr>\n <\/table>\n <\/div>\n\n <p>Pareiza sensora uzst\u0101d\u012b\u0161ana b\u016btiski ietekm\u0113 m\u0113r\u012bjumu precizit\u0101ti un uzticam\u012bbu. In\u017eenieriem ir j\u0101nodro\u0161ina stingra meh\u0101nisk\u0101 savieno\u0161ana starp sensoru un uzraug\u0101mo komponentu, lai izvair\u012btos no rezonanses efektiem un sign\u0101la krop\u013cojumiem. V\u012bt\u0146otas tapas nodro\u0161ina optim\u0101lu stiprin\u0101jumu past\u0101v\u012bg\u0101m instal\u0101cij\u0101m, savuk\u0101rt magn\u0113tisk\u0101s pamatnes pied\u0101v\u0101 \u0113rt\u012bbas periodiskiem m\u0113r\u012bjumiem uz feromagn\u0113tisk\u0101m virsm\u0101m.<\/p>\n\n <div class=\"warning\">\n <strong>Uzst\u0101d\u012b\u0161anas br\u012bdin\u0101jums:<\/strong> Magn\u0113tisk\u0101 mont\u0101\u017ea k\u013c\u016bst neuzticama virs 1000 Hz meh\u0101nisk\u0101s rezonanses d\u0113\u013c starp magn\u0113tu un sensora masu. Vienm\u0113r p\u0101rliecinieties, vai mont\u0101\u017eas rezonanses frekvence p\u0101rsniedz augst\u0101ko interes\u0113jo\u0161o frekvenci vismaz 3 reizes.\n <\/div>\n\n <h3>Rot\u0113jo\u0161a apr\u012bkojuma vibr\u0101cijas izcelsme<\/h3>\n\n <p><strong>Meh\u0101nisk\u0101s vibr\u0101cijas avoti<\/strong> rodas masas nel\u012bdzsvarot\u012bbas, nob\u012bdes, va\u013c\u012bguma un nodiluma d\u0113\u013c. Nesabalans\u0113ti rot\u0113jo\u0161ie komponenti rada centrb\u0113dzes sp\u0113kus, kas ir proporcion\u0101li rot\u0101cijas \u0101truma kvadr\u0101tam, radot vibr\u0101ciju rot\u0101cijas frekvenc\u0113 un t\u0101s harmonik\u0101s. Nob\u012bde starp savienotaj\u0101m v\u0101rpst\u0101m rada radi\u0101l\u0101s un aksi\u0101l\u0101s vibr\u0101cijas komponentes rot\u0101cijas frekvenc\u0113 un divk\u0101r\u0161\u0101 rot\u0101cijas frekvenc\u0113.<\/p>\n\n <p><strong>Elektromagn\u0113tisk\u0101s vibr\u0101cijas avoti<\/strong> rodas no magn\u0113tisk\u0101 sp\u0113ka sv\u0101rst\u012bb\u0101m elektromotoros. Gaisa spraugas ekscentricit\u0101te, rotora stie\u0146a defekti un statora tinumu defekti rada elektromagn\u0113tiskos sp\u0113kus, kas modul\u0113 t\u012bkla frekvenc\u0113 un t\u0101s harmonik\u0101s. \u0160ie sp\u0113ki mijiedarbojas ar meh\u0101nisk\u0101m rezonans\u0113m, radot sare\u017e\u0123\u012btas vibr\u0101cijas, kur\u0101m nepiecie\u0161amas sare\u017e\u0123\u012btas anal\u012bzes metodes.<\/p>\n\n <p><strong>Aerodinamisko un hidrodinamisko vibr\u0101ciju avoti<\/strong> rodas \u0161\u0137idruma pl\u016bsmas mijiedarb\u012bbas ar rot\u0113jo\u0161\u0101m sast\u0101vda\u013c\u0101m rezult\u0101t\u0101. Ventilatora l\u0101psti\u0146u p\u0101reja, s\u016bk\u0146a l\u0101psti\u0146u mijiedarb\u012bba un turbulent\u0101s pl\u016bsmas atdal\u012b\u0161an\u0101s rada vibr\u0101ciju l\u0101psti\u0146u\/l\u0101psti\u0146u p\u0101rejas frekvenc\u0113s un to harmonik\u0101s. \u0160ie avoti k\u013c\u016bst \u012bpa\u0161i noz\u012bm\u012bgi pal\u012bgma\u0161\u012bn\u0101s, kas darbojas ar lielu \u0101trumu un kur\u0101m ir iev\u0113rojamas \u0161\u0137idruma apstr\u0101des pras\u012bbas.<\/p>\n\n <div class=\"example\">\n <strong>Piem\u0113rs:<\/strong> Vilces motora dzes\u0113\u0161anas ventilators ar 12 l\u0101psti\u0146\u0101m, kas rot\u0113 ar \u0101trumu 1800 apgr.\/min, rada l\u0101psti\u0146u p\u0101rejas frekvences vibr\u0101ciju ar frekvenci 360 Hz (12 \u00d7 30 Hz). Ja ventilatora l\u0101psti\u0146a da\u013c\u0113ji aizs\u0113r\u0113, radusies nel\u012bdzsvarot\u012bba rada papildu vibr\u0101ciju rot\u0101cijas frekvenc\u0113 (30 Hz), savuk\u0101rt l\u0101psti\u0146u p\u0101rejas frekvences amplit\u016bda var palielin\u0101ties aerodinamisko trauc\u0113jumu d\u0113\u013c.\n <\/div>\n\n <h2>2.3.1.2. Lokomot\u012bvju sist\u0113mas: WMB, WGB, AM un to komponenti k\u0101 sv\u0101rst\u012bbu sist\u0113mas<\/h2>\n\n <h3>Rot\u0113jo\u0161o iek\u0101rtu klasifik\u0101cija lokomot\u012bvju lietojumos<\/h3>\n\n <p>Lokomot\u012bvju rot\u0113jo\u0161\u0101s iek\u0101rtas ietver tr\u012bs galven\u0101s kategorijas, katrai no kur\u0101m ir unik\u0101las vibr\u0101cijas \u012bpa\u0161\u012bbas un diagnostikas izaicin\u0101jumi. Rite\u0146u-motoru bloki (WMB) integr\u0113 vilces motorus tie\u0161i ar piedzi\u0146as rite\u0146p\u0101riem, radot sare\u017e\u0123\u012btas dinamiskas sist\u0113mas, kas pak\u013cautas gan elektriskiem, gan meh\u0101niskiem ierosmes sp\u0113kiem. Rite\u0146u-zobratu bloki (WGB) izmanto starpzobratu reduktoru sist\u0113mas starp motoriem un rite\u0146p\u0101riem, radot papildu vibr\u0101cijas avotus, izmantojot zobratu mijiedarb\u012bbas meh\u0101nismu. Pal\u012bgma\u0161\u012bnas (AM) ietver dzes\u0113\u0161anas ventilatorus, gaisa kompresorus, hidrauliskos s\u016bk\u0146us un citas pal\u012bgiek\u0101rtas, kas darbojas neatkar\u012bgi no prim\u0101raj\u0101m vilces sist\u0113m\u0101m.<\/p>\n\n <p>\u0160\u012bm meh\u0101niskaj\u0101m sist\u0113m\u0101m piem\u012bt sv\u0101rst\u012bga uzved\u012bba, ko nosaka dinamikas un vibr\u0101ciju teorijas pamatprincipi. Katram komponentam ir dabiskas frekvences, ko nosaka masas sadal\u012bjums, stingr\u012bbas raksturlielumi un robe\u017enosac\u012bjumi. \u0160o dabisko frekven\u010du izpratne ir kritiski svar\u012bga, lai izvair\u012btos no rezonanses apst\u0101k\u013ciem, kas var izrais\u012bt p\u0101rm\u0113r\u012bgu vibr\u0101ciju amplit\u016bdu un pa\u0101trin\u0101tu komponentu nodilumu.<\/p>\n\n <h3>Sv\u0101rst\u012bbu sist\u0113mu klasifik\u0101cijas<\/h3>\n\n <p><strong>Br\u012bv\u0101s sv\u0101rst\u012bbas<\/strong> rodas, kad sist\u0113mas vibr\u0113 dabiskaj\u0101s frekvenc\u0113s p\u0113c s\u0101kotn\u0113jiem trauc\u0113jumiem bez nep\u0101rtraukta \u0101r\u0113ja sp\u0113ka. Lokomot\u012bvju lietojumos br\u012bv\u0101s sv\u0101rst\u012bbas izpau\u017eas iedarbin\u0101\u0161anas un izsl\u0113g\u0161anas p\u0101reju laik\u0101, kad rot\u0101cijas \u0101trumi p\u0101rsniedz dabisk\u0101s frekvences. \u0160ie p\u0101rejas apst\u0101k\u013ci sniedz v\u0113rt\u012bgu diagnostisku inform\u0101ciju par sist\u0113mas stingr\u012bbu un sl\u0101p\u0113\u0161anas \u012bpa\u0161\u012bb\u0101m.<\/p>\n\n <p><strong>Piespiedu sv\u0101rst\u012bbas<\/strong> rodas no nep\u0101rtrauktiem periodiskiem ierosmes sp\u0113kiem, kas iedarbojas uz meh\u0101nisk\u0101m sist\u0113m\u0101m. Rot\u0101cijas nel\u012bdzsvarot\u012bba, zobratu sazobes sp\u0113ki un elektromagn\u0113tisk\u0101 ierosme rada piespiedu vibr\u0101cijas noteikt\u0101s frekvenc\u0113s, kas saist\u012btas ar rot\u0101cijas \u0101trumiem un sist\u0113mas \u0123eometriju. Piespiedu vibr\u0101ciju amplit\u016bdas ir atkar\u012bgas no ierosmes frekvences un sist\u0113mas dabisko frekven\u010du attiec\u012bbas.<\/p>\n\n <p><strong>Parametrisk\u0101s sv\u0101rst\u012bbas<\/strong> rodas, ja sist\u0113mas parametri periodiski main\u0101s laika gait\u0101. Laika gait\u0101 main\u012bg\u0101 zobratu sazobes saskares stingr\u012bba, gult\u0146u kl\u012brensa izmai\u0146as un magn\u0113tisk\u0101s pl\u016bsmas sv\u0101rst\u012bbas rada parametrisku ierosmi, kas var izrais\u012bt nestabilu vibr\u0101cijas pieaugumu pat bez tie\u0161as piespie\u0161anas.<\/p>\n\n <div class=\"note\">\n <strong>Tehniska piez\u012bme:<\/strong> Parametrisk\u0101 rezonanse rodas, ja ierosmes frekvence ir divreiz liel\u0101ka par dabisko frekvenci, izraisot eksponenci\u0101lu amplit\u016bdas pieaugumu. \u0160\u012b par\u0101d\u012bba prasa r\u016bp\u012bgu apsv\u0113r\u0161anu zobratu sist\u0113mu projekt\u0113\u0161an\u0101, kur acs stingr\u012bba main\u0101s atkar\u012bb\u0101 no zobu sa\u0137eres cikliem.\n <\/div>\n\n <p><strong>Pa\u0161ierosin\u0101tas sv\u0101rst\u012bbas (autom\u0101tisk\u0101s sv\u0101rst\u012bbas)<\/strong> att\u012bst\u0101s, kad sist\u0113mas ener\u0123ijas izkliedes meh\u0101nismi k\u013c\u016bst negat\u012bvi, izraisot ilgsto\u0161u vibr\u0101cijas pieaugumu bez \u0101r\u0113ja periodiska piespie\u0161anas. Berzes izrais\u012bta atlip\u012bga sl\u012bd\u0113\u0161ana, aerodinamiska pland\u012b\u0161an\u0101s un noteiktas elektromagn\u0113tisk\u0101s nestabilit\u0101tes var rad\u012bt pa\u0161izrais\u012btas vibr\u0101cijas, kuru mazin\u0101\u0161anai nepiecie\u0161ama akt\u012bva kontrole vai konstrukcijas modifik\u0101cijas.<\/p>\n\n <h3>Dabisk\u0101s frekvences noteik\u0161ana un rezonanses par\u0101d\u012bbas<\/h3>\n\n <p>Pa\u0161frekvences atspogu\u013co meh\u0101nisko sist\u0113mu vibr\u0101cijas raksturlielumus neatkar\u012bgi no \u0101r\u0113ja ierosmes. \u0160\u012bs frekvences ir atkar\u012bgas tikai no sist\u0113mas masas sadal\u012bjuma un stingr\u012bbas \u012bpa\u0161\u012bb\u0101m. Vienk\u0101r\u0161\u0101m sist\u0113m\u0101m ar vienu br\u012bv\u012bbas pak\u0101pi pa\u0161frekvences apr\u0113\u0137ins atbilst labi zin\u0101m\u0101m formul\u0101m, kas attiecas uz masas un stingr\u012bbas parametriem.<\/p>\n\n <div class=\"formula\">\n <strong>Dabisk\u0101s frekvences formula:<\/strong><br>\n fn = (1\/2\u03c0) \u00d7 \u221a(k\/m)<br>\n Kur: fn = dabisk\u0101 frekvence (Hz), k = stingr\u012bba (N\/m), m = masa (kg)\n <\/div>\n\n <p>Sare\u017e\u0123\u012bt\u0101m lokomot\u012bvju sast\u0101vda\u013c\u0101m piem\u012bt vair\u0101kas dabisk\u0101s frekvences, kas atbilst da\u017e\u0101diem vibr\u0101cijas re\u017e\u012bmiem. Lieces re\u017e\u012bmiem, v\u0113rpes re\u017e\u012bmiem un saist\u012btajiem re\u017e\u012bmiem katram ir at\u0161\u0137ir\u012bgas frekven\u010du \u012bpa\u0161\u012bbas un telpiskie mode\u013ci. Mod\u0101l\u0101s anal\u012bzes metodes pal\u012bdz in\u017eenieriem identific\u0113t \u0161\u012bs frekvences un ar t\u0101m saist\u012bt\u0101s re\u017e\u012bmu formas efekt\u012bvai vibr\u0101cijas kontrolei.<\/p>\n\n <p>Rezonanse rodas, kad ierosmes frekvences sakr\u012bt ar dabiskaj\u0101m frekvenc\u0113m, k\u0101 rezult\u0101t\u0101 tiek iev\u0113rojami pastiprin\u0101tas vibr\u0101cijas reakcijas. Pastiprin\u0101\u0161anas koeficients ir atkar\u012bgs no sist\u0113mas sl\u0101p\u0113\u0161anas, un viegli sl\u0101p\u0113t\u0101m sist\u0113m\u0101m ir daudz augst\u0101ki rezonanses maksimumi nek\u0101 stipri sl\u0101p\u0113t\u0101m sist\u0113m\u0101m. In\u017eenieriem j\u0101nodro\u0161ina, lai darb\u012bbas \u0101trumi izvair\u012btos no kritiskiem rezonanses apst\u0101k\u013ciem vai nodro\u0161in\u0101tu atbilsto\u0161u sl\u0101p\u0113\u0161anu, lai ierobe\u017eotu vibr\u0101ciju amplit\u016bdas.<\/p>\n\n <div class=\"example\">\n <strong>Piem\u0113rs:<\/strong> Vilces motora rotors ar dabisko frekvenci 2400 Hz, darbojoties ar \u0101trumu 2400 apgr.\/min, piedz\u012bvo rezonansi, ja rotoram ir 60 polu p\u0101ri (60 \u00d7 40 Hz = 2400 Hz elektromagn\u0113tisk\u0101 ierosme). Pareiza konstrukcija nodro\u0161ina atbilsto\u0161u frekven\u010du atdal\u012b\u0161anu vai pietiekamu sl\u0101p\u0113\u0161anu, lai nov\u0113rstu p\u0101rm\u0113r\u012bgu vibr\u0101ciju.\n <\/div>\n\n <h3>Sl\u0101p\u0113\u0161anas meh\u0101nismi un to ietekme<\/h3>\n\n <p>Sl\u0101p\u0113\u0161ana atspogu\u013co ener\u0123ijas izkliedes meh\u0101nismus, kas ierobe\u017eo vibr\u0101cijas amplit\u016bdas pieaugumu un nodro\u0161ina sist\u0113mas stabilit\u0101ti. Da\u017e\u0101di sl\u0101p\u0113\u0161anas avoti veicina kop\u0113jo sist\u0113mas uzved\u012bbu, tostarp materi\u0101la iek\u0161\u0113j\u0101 sl\u0101p\u0113\u0161ana, berzes sl\u0101p\u0113\u0161ana un \u0161\u0137idruma sl\u0101p\u0113\u0161ana no sm\u0113rviel\u0101m un apk\u0101rt\u0113j\u0101 gaisa.<\/p>\n\n <p>Materi\u0101la sl\u0101p\u0113\u0161ana rodas iek\u0161\u0113j\u0101s berzes d\u0113\u013c deta\u013cu materi\u0101los ciklisk\u0101s slodzes laik\u0101. \u0160is sl\u0101p\u0113\u0161anas meh\u0101nisms ir \u012bpa\u0161i noz\u012bm\u012bgs \u010duguna deta\u013c\u0101s, gumijas stiprin\u0101juma elementos un kompoz\u012btmateri\u0101los, ko izmanto m\u016bsdienu lokomot\u012bvju konstrukcij\u0101.<\/p>\n\n <p>Berzes sl\u0101p\u0113\u0161ana notiek uz komponentu saskarnes virsm\u0101m, tostarp gult\u0146u virsm\u0101m, skr\u016bvju savienojumiem un sarau\u0161an\u0101s mont\u0101\u017eas mezgliem. Lai gan berzes sl\u0101p\u0113\u0161ana var nodro\u0161in\u0101t labv\u0113l\u012bgu vibr\u0101cijas kontroli, t\u0101 var rad\u012bt ar\u012b neline\u0101rus efektus un neparedzamu uzved\u012bbu main\u012bgos slodzes apst\u0101k\u013cos.<\/p>\n\n <p>\u0160\u0137idruma sl\u0101p\u0113\u0161ana rodas viskozo sp\u0113ku d\u0113\u013c e\u013c\u013co\u0161anas pl\u0113v\u0113s, hidrauliskaj\u0101s sist\u0113m\u0101s un aerodinamisk\u0101s mijiedarb\u012bb\u0101s. E\u013c\u013cas pl\u0113ves sl\u0101p\u0113\u0161ana gult\u0146u gult\u0146os nodro\u0161ina kritisku stabilit\u0101ti \u0101trgaitas rot\u0113jo\u0161\u0101m ma\u0161\u012bn\u0101m, savuk\u0101rt viskozie sl\u0101p\u0113t\u0101ji var tikt apzin\u0101ti iestr\u0101d\u0101ti vibr\u0101cijas kontrolei.<\/p>\n\n <h3>Ierosmes sp\u0113ka klasifik\u0101cijas<\/h3>\n\n <p><strong>Centrb\u0113dzes sp\u0113ki<\/strong> rodas no masas nel\u012bdzsvarot\u012bbas rot\u0113jo\u0161\u0101s sast\u0101vda\u013c\u0101s, radot sp\u0113kus, kas proporcion\u0101li rot\u0101cijas \u0101truma kvadr\u0101tam. \u0160ie sp\u0113ki darbojas radi\u0101li uz \u0101ru un rot\u0113 kop\u0101 ar sast\u0101vda\u013cu, radot vibr\u0101ciju rot\u0101cijas frekvenc\u0113. Centrb\u0113dzes sp\u0113ka lielums strauji palielin\u0101s l\u012bdz ar \u0101trumu, padarot prec\u012bzu balans\u0113\u0161anu kritiski svar\u012bgu \u0101trgaitas darb\u012bbai.<\/p>\n\n <div class=\"formula\">\n <strong>Centrb\u0113dzes sp\u0113ks:<\/strong><br>\n F = m \u00d7 \u03c9\u00b2 \u00d7 r<br>\n Kur: F = sp\u0113ks (N), m = nel\u012bdzsvarota masa (kg), \u03c9 = le\u0146\u0137iskais \u0101trums (rad\/s), r = r\u0101diuss (m)\n <\/div>\n\n <p><strong>Kinem\u0101tiskie sp\u0113ki<\/strong> rodas \u0123eometrisku ierobe\u017eojumu d\u0113\u013c, kas sist\u0113mas komponentiem rada nevienm\u0113r\u012bgu kust\u012bbu. Virzu\u013cmeh\u0101nismi, sadales v\u0101rpstas sekot\u0101ji un zobratu sist\u0113mas ar profila k\u013c\u016bd\u0101m rada kinem\u0101tiskos ierosmes sp\u0113kus. \u0160iem sp\u0113kiem parasti ir sare\u017e\u0123\u012bts frekvences saturs, kas saist\u012bts ar sist\u0113mas \u0123eometriju un rot\u0101cijas \u0101trumiem.<\/p>\n\n <p><strong>Trieciena sp\u0113ki<\/strong> rodas p\u0113k\u0161\u0146as slodzes pielik\u0161anas vai sadursmju rezult\u0101t\u0101 starp komponentiem. Zobrata zobu sa\u0137ere, gult\u0146a elementa ripo\u0161ana p\u0101ri virsmas defektiem un rite\u0146a un sliedes mijiedarb\u012bba rada trieciena sp\u0113kus, kam rakstur\u012bgs pla\u0161s frekven\u010du saturs un augsti maksimuma koeficienti. Trieciena sp\u0113ku pareizai raksturo\u0161anai ir nepiecie\u0161amas specializ\u0113tas anal\u012bzes metodes.<\/p>\n\n <p><strong>Berzes sp\u0113ki<\/strong> rodas no sl\u012bdo\u0161a kontakta starp virsm\u0101m ar relat\u012bvu kust\u012bbu. Bremz\u0113\u0161anas iedarbin\u0101\u0161ana, gult\u0146u sl\u012bd\u0113\u0161ana un rite\u0146u un sliedes \u0161\u013c\u016bde rada berzes sp\u0113kus, kas var izrais\u012bt atlip\u012bgas sl\u012bdes reakciju, izraisot pa\u0161izrais\u012btas vibr\u0101cijas. Berzes sp\u0113ka raksturlielumi ir \u013coti atkar\u012bgi no virsmas apst\u0101k\u013ciem, e\u013c\u013co\u0161anas un norm\u0101las slodzes.<\/p>\n\n <p><strong>Elektromagn\u0113tiskie sp\u0113ki<\/strong> rodas no magn\u0113tisk\u0101 lauka mijiedarb\u012bbas elektromotoros un \u0123eneratoros. Radi\u0101lie elektromagn\u0113tiskie sp\u0113ki rodas gaisa spraugas vari\u0101ciju, polu gabalu \u0123eometrijas un str\u0101vas sadal\u012bjuma asimetrijas d\u0113\u013c. \u0160ie sp\u0113ki rada vibr\u0101ciju l\u012bnijas frekvenc\u0113, rievas p\u0101rejas frekvenc\u0113 un to kombin\u0101cij\u0101s.<\/p>\n\n <h3>Frekvences atkar\u012bg\u0101s sist\u0113mas \u012bpa\u0161\u012bbas<\/h3>\n\n <p>Meh\u0101niskaj\u0101m sist\u0113m\u0101m piem\u012bt no frekvences atkar\u012bgas dinamiskas \u012bpa\u0161\u012bbas, kas b\u016btiski ietekm\u0113 vibr\u0101cijas p\u0101rne\u0161anu un pastiprin\u0101\u0161anu. Sist\u0113mas stingr\u012bba, sl\u0101p\u0113\u0161ana un inerces \u012bpa\u0161\u012bbas kop\u0101 rada sare\u017e\u0123\u012btas frekvences reakcijas funkcijas, kas apraksta vibr\u0101cijas amplit\u016bdas un f\u0101zes attiec\u012bbas starp ieejas ierosmi un sist\u0113mas reakciju.<\/p>\n\n <p>Frekvenc\u0113s, kas ir krietni zem pirm\u0101s dabisk\u0101s frekvences, sist\u0113mas uzvedas kvazistatiski ar vibr\u0101cijas amplit\u016bd\u0101m, kas ir proporcion\u0101las ierosmes sp\u0113ka amplit\u016bd\u0101m. Dinamisk\u0101 pastiprin\u0101\u0161ana saglab\u0101jas minim\u0101la, un f\u0101\u017eu attiec\u012bbas saglab\u0101jas gandr\u012bz nulles l\u012bmen\u012b.<\/p>\n\n <p>Tuvojoties dabiskaj\u0101m frekvenc\u0113m, dinamiskais pastiprin\u0101jums var sasniegt v\u0113rt\u012bbas, kas ir 10\u2013100 reizes liel\u0101kas par statisko novirzi atkar\u012bb\u0101 no sl\u0101p\u0113\u0161anas l\u012bme\u0146iem. F\u0101\u017eu attiec\u012bbas rezonanses laik\u0101 strauji main\u0101s par 90 gr\u0101diem, nodro\u0161inot skaidru dabisk\u0101s frekvences atra\u0161an\u0101s vietu identific\u0113\u0161anu.<\/p>\n\n <p>Frekvenc\u0113s, kas ir krietni virs dabiskaj\u0101m frekvenc\u0113m, sist\u0113mas uzved\u012bb\u0101 domin\u0113 inerces efekti, izraisot vibr\u0101cijas amplit\u016bdas samazin\u0101\u0161anos, palielinoties frekvencei. Augstas frekvences vibr\u0101ciju v\u0101jin\u0101\u0161ana nodro\u0161ina dabisku filtr\u0113\u0161anu, kas pal\u012bdz izol\u0113t jut\u012bgas sast\u0101vda\u013cas no augstfrekvences trauc\u0113jumiem.<\/p>\n\n <h3>Salikto parametru un izklied\u0113to parametru sist\u0113mas<\/h3>\n\n <p>Rite\u0146p\u0101ru-motoru blokus var model\u0113t k\u0101 apkopotu parametru sist\u0113mas, analiz\u0113jot zemfrekvences vibr\u0101cijas re\u017e\u012bmus, kur komponentu izm\u0113ri saglab\u0101jas mazi sal\u012bdzin\u0101jum\u0101 ar vibr\u0101cijas vi\u013c\u0146u garumiem. \u0160\u012b pieeja vienk\u0101r\u0161o anal\u012bzi, att\u0113lojot izklied\u0113t\u0101s masas un stingr\u012bbas \u012bpa\u0161\u012bbas k\u0101 atsevi\u0161\u0137us elementus, kas savienoti ar bezmasas atsper\u0113m un stingr\u0101m sait\u0113m.<\/p>\n\n <p>Apkopoto parametru mode\u013ci ir efekt\u012bvi rotora nel\u012bdzsvarot\u012bbas, gult\u0146u balstu stingr\u012bbas efektu un zemfrekvences savienojuma dinamikas starp motora un rite\u0146u p\u0101ru komponentiem anal\u012bzei. \u0160ie mode\u013ci atvieglo \u0101tru anal\u012bzi un sniedz skaidru fizisku ieskatu sist\u0113mas uzved\u012bb\u0101.<\/p>\n\n <p>Izklied\u0113to parametru mode\u013ci k\u013c\u016bst nepiecie\u0161ami, analiz\u0113jot augstfrekvences vibr\u0101cijas re\u017e\u012bmus, kur komponentu izm\u0113ri tuvojas vibr\u0101cijas vi\u013c\u0146u garumiem. V\u0101rpstas lieces re\u017e\u012bmi, zobratu zobu elast\u012bba un akustisk\u0101s rezonanses prasa izklied\u0113to parametru apstr\u0101di prec\u012bzai prognoz\u0113\u0161anai.<\/p>\n\n <p>Sadal\u012bto parametru mode\u013ci \u0146em v\u0113r\u0101 vi\u013c\u0146u izplat\u012b\u0161an\u0101s efektus, lok\u0101l\u0101 re\u017e\u012bma formas un no frekvences atkar\u012bgu uzved\u012bbu, ko apkopoto parametru mode\u013ci nevar aptvert. \u0160iem mode\u013ciem parasti ir nepiecie\u0161amas skaitlisku risin\u0101jumu metodes, bet tie nodro\u0161ina piln\u012bg\u0101ku sist\u0113mas raksturojumu.<\/p>\n\n <div class=\"infographic\">\n <h4>WMB sist\u0113mas komponenti un to vibr\u0101cijas raksturlielumi<\/h4>\n <table>\n <tr>\n <th>Sast\u0101vda\u013ca<\/th>\n <th>Prim\u0101rie vibr\u0101cijas avoti<\/th>\n <th>Frekven\u010du diapazons<\/th>\n <th>Diagnostikas indikatori<\/th>\n <\/tr>\n <tr>\n <td>Vilces motors<\/td>\n <td>Elektromagn\u0113tiskie sp\u0113ki, nel\u012bdzsvarot\u012bba<\/td>\n <td>50\u20133000 Hz<\/td>\n <td>L\u012bnijas frekvences harmonikas, rotora stie\u0146i<\/td>\n <\/tr>\n <tr>\n <td>P\u0101rnesumu samazin\u0101\u0161ana<\/td>\n <td>T\u012bkla sp\u0113ki, zobu nodilums<\/td>\n <td>200\u20135000 Hz<\/td>\n <td>Zobratu sazobes frekvence, s\u0101nu joslas<\/td>\n <\/tr>\n <tr>\n <td>Rite\u0146u p\u0101ru gult\u0146i<\/td>\n <td>Rito\u0161\u0101 elementa defekti<\/td>\n <td>500\u201315000 Hz<\/td>\n <td>Gult\u0146u defektu frekvences<\/td>\n <\/tr>\n <tr>\n <td>Sakabes sist\u0113mas<\/td>\n <td>Novirze, nodilums<\/td>\n <td>10\u2013500 Hz<\/td>\n <td>2\u00d7 rot\u0101cijas frekvence<\/td>\n <\/tr>\n <\/table>\n <\/div>\n\n <h2>2.3.1.3. Zemfrekvences, vid\u0113jas frekvences, augstas frekvences un ultraska\u0146as vibr\u0101ciju \u012bpa\u0161\u012bbas un raksturlielumi WMB, WGB un AM sist\u0113m\u0101s<\/h2>\n\n <h3>Frekven\u010du joslu klasifik\u0101cijas un to noz\u012bme<\/h3>\n\n <p>Vibr\u0101cijas frekvences anal\u012bzei nepiecie\u0161ama sistem\u0101tiska frekven\u010du joslu klasifik\u0101cija, lai optimiz\u0113tu diagnostikas proced\u016bras un iek\u0101rtu izv\u0113li. Katra frekven\u010du josla sniedz unik\u0101lu inform\u0101ciju par konkr\u0113t\u0101m meh\u0101nisk\u0101m par\u0101d\u012bb\u0101m un defektu att\u012bst\u012bbas posmiem.<\/p>\n\n <p><strong>Zemfrekvences vibr\u0101cija (1\u2013200 Hz)<\/strong> galvenok\u0101rt rodas rot\u0113jo\u0161u meh\u0101nismu nel\u012bdzsvarot\u012bbas, nepareizas izl\u012bdzin\u0101\u0161anas un struktur\u0101lo rezonanses d\u0113\u013c. \u0160is frekven\u010du diapazons uztver pamata rot\u0101cijas frekvences un to zem\u0101k\u0101s k\u0101rtas harmonikas, sniedzot b\u016btisku inform\u0101ciju par meh\u0101nisko st\u0101vokli un darb\u012bbas stabilit\u0101ti.<\/p>\n\n <p><strong>Vid\u0113jas frekvences vibr\u0101cija (200\u20132000 Hz)<\/strong> ietver zobratu sazobes frekvences, elektromagn\u0113tisk\u0101s ierosmes harmonikas un galveno konstrukcijas komponentu meh\u0101nisk\u0101s rezonanses. \u0160is frekven\u010du diapazons ir kritiski svar\u012bgs zobratu zobu nodiluma, motora elektromagn\u0113tisko probl\u0113mu un savienojuma boj\u0101jumu diagnostic\u0113\u0161anai.<\/p>\n\n <p><strong>Augstas frekvences vibr\u0101cija (2000\u201320000 Hz)<\/strong> atkl\u0101j gult\u0146u defektu paz\u012bmes, zobratu trieciena sp\u0113kus un augst\u0101kas k\u0101rtas elektromagn\u0113tisk\u0101s harmonikas. \u0160is frekven\u010du diapazons nodro\u0161ina agr\u012bnu br\u012bdin\u0101jumu par defektu att\u012bst\u012bbu, pirms tie izpau\u017eas zem\u0101k\u0101s frekven\u010du josl\u0101s.<\/p>\n\n <p><strong>Ultraska\u0146as vibr\u0101cija (20000+ Hz)<\/strong> fiks\u0113 s\u0101kotn\u0113jos gult\u0146u defektus, e\u013c\u013co\u0161anas pl\u0113ves boj\u0101jumus un ar berzi saist\u012btas par\u0101d\u012bbas. Ultraska\u0146as m\u0113r\u012bjumiem ir nepiecie\u0161ami specializ\u0113ti sensori un anal\u012bzes metodes, ta\u010du tie nodro\u0161ina p\u0113c iesp\u0113jas agr\u0101ku defektu noteik\u0161anas iesp\u0113ju.<\/p>\n\n <h3>Zemfrekvences vibr\u0101cijas anal\u012bze<\/h3>\n\n <p>Zemfrekvences vibr\u0101ciju anal\u012bze koncentr\u0113jas uz pamata rot\u0101cijas frekvenc\u0113m un to harmonik\u0101m l\u012bdz aptuveni desmitajai k\u0101rtai. \u0160\u012b anal\u012bze atkl\u0101j prim\u0101ros meh\u0101niskos st\u0101vok\u013cus, tostarp masas nel\u012bdzsvarot\u012bbu, v\u0101rpstas nob\u012bdi, meh\u0101nisko va\u013c\u012bgumu un gult\u0146u kl\u012brensa probl\u0113mas.<\/p>\n\n <p>Rot\u0101cijas frekvences vibr\u0101cija (1\u00d7) nor\u0101da uz masas nel\u012bdzsvarot\u012bbas apst\u0101k\u013ciem, kas rada centrb\u0113dzes sp\u0113kus, kas rot\u0113 kop\u0101 ar v\u0101rpstu. T\u012brs nel\u012bdzsvarot\u012bba rada vibr\u0101ciju galvenok\u0101rt rot\u0101cijas frekvenc\u0113 ar minim\u0101lu harmonisko saturu. Vibr\u0101cijas amplit\u016bda palielin\u0101s proporcion\u0101li rot\u0101cijas \u0101truma kvadr\u0101tam, nodro\u0161inot skaidru diagnostikas indik\u0101ciju.<\/p>\n\n <p>Divk\u0101r\u0161as rot\u0101cijas frekvences vibr\u0101cija (2\u00d7) parasti nor\u0101da uz savienoto v\u0101rpstu vai komponentu nob\u012bdi. Le\u0146\u0137isk\u0101 nob\u012bde rada main\u012bgus sprieguma mode\u013cus, kas atk\u0101rtojas divas reizes katr\u0101 apgriezien\u0101, radot rakstur\u012bgus 2\u00d7 vibr\u0101cijas sign\u0101lus. Paral\u0113l\u0101 nob\u012bde var ar\u012b veicin\u0101t 2\u00d7 vibr\u0101ciju, mainot slodzes sadal\u012bjumu.<\/p>\n\n <div class=\"example\">\n <strong>Piem\u0113rs:<\/strong> Vilces motors, kas darbojas ar \u0101trumu 1800 apgr.\/min (30 Hz) ar v\u0101rpstas nob\u012bdi, uzr\u0101da izteiktu vibr\u0101ciju pie 60 Hz (2\u00d7) ar iesp\u0113jam\u0101m s\u0101nu josl\u0101m 30 Hz interv\u0101los. 60 Hz komponentes amplit\u016bda korel\u0113 ar nob\u012bdes smagumu, savuk\u0101rt s\u0101nu joslu kl\u0101tb\u016btne nor\u0101da uz papildu sare\u017e\u0123\u012bjumiem, piem\u0113ram, savienojuma nodilumu vai stiprin\u0101juma va\u013c\u012bgumu.\n <\/div>\n\n <p>Vair\u0101ku harmoniku kl\u0101tb\u016btne (3\u00d7, 4\u00d7, 5\u00d7 utt.) nor\u0101da uz meh\u0101nisku va\u013c\u012bgumu, nodilu\u0161iem savienojumiem vai struktur\u0101l\u0101m probl\u0113m\u0101m. Va\u013c\u012bgums nodro\u0161ina neline\u0101ru sp\u0113ka p\u0101rvadi, kas rada bag\u0101t\u012bgu harmoniku saturu, kas sniedzas krietni \u0101rpus pamatfrekvenc\u0113m. Harmoniskais modelis sniedz diagnostisku inform\u0101ciju par va\u013c\u012bguma atra\u0161an\u0101s vietu un smagumu.<\/p>\n\n <h3>Vid\u0113jas frekvences vibr\u0101cijas raksturlielumi<\/h3>\n\n <p>Vid\u0113jas frekvences anal\u012bze koncentr\u0113jas uz zobratu sazobes frekvenc\u0113m un to modul\u0101cijas mode\u013ciem. Zobratu sazobes frekvence ir vien\u0101da ar rot\u0101cijas frekvences un zobu skaita reizin\u0101jumu, radot paredzamas spektr\u0101l\u0101s l\u012bnijas, kas atkl\u0101j zobratu st\u0101vokli un slodzes sadal\u012bjumu.<\/p>\n\n <p>Vesel\u012bgi zobrati rada izteiktu vibr\u0101ciju zobratu sazobes frekvenc\u0113 ar minim\u0101l\u0101m s\u0101nu josl\u0101m. Zobu nodilums, zobu plais\u0101\u0161ana vai nevienm\u0113r\u012bga slodze rada sazobes frekvences amplit\u016bdas modul\u0101ciju, radot s\u0101nu joslas, kas izvietotas sazobes zobratu rot\u0101cijas frekvenc\u0113s.<\/p>\n\n <div class=\"formula\">\n <strong>Zobratu acs frekvence:<\/strong><br>\n fmesh = N \u00d7 frot<br>\n Kur: fmesh = zobrata sazobes frekvence (Hz), N = zobu skaits, frot = rot\u0101cijas frekvence (Hz)\n <\/div>\n\n <p>Elektromagn\u0113tisk\u0101 vibr\u0101cija vilces motoros galvenok\u0101rt izpau\u017eas vid\u0113jo frekven\u010du diapazon\u0101. L\u012bnijas frekven\u010du harmonikas, spraugas p\u0101rejas frekvences un polu p\u0101rejas frekvences rada rakstur\u012bgus spektra mode\u013cus, kas atkl\u0101j motora st\u0101vokli un slodzes raksturlielumus.<\/p>\n\n <p>Spraugas p\u0101rejas frekvence ir vien\u0101da ar rot\u0101cijas frekvences un rotora spraugu skaita reizin\u0101jumu, radot vibr\u0101ciju magn\u0113tisk\u0101s caurlaid\u012bbas izmai\u0146u d\u0113\u013c, rotora spraug\u0101m \u0161\u0137\u0113rsojot statora polis. Boj\u0101ti rotora stie\u0146i vai gala gredzenu defekti modul\u0113 spraugas p\u0101rejas frekvenci, radot diagnostikas s\u0101nu joslas.<\/p>\n\n <div class=\"example\">\n <strong>Piem\u0113rs:<\/strong> Se\u0161u polu indukcijas motors ar 44 rotora spraug\u0101m, kas darbojas ar \u0101trumu 1785 apgr.\/min, \u0123ener\u0113 spraugas p\u0101rejas frekvenci 1302 Hz (44 \u00d7 29,75 Hz). Salauzta rotora stie\u0146a d\u0113\u013c rodas s\u0101nu joslas ar frekvenci 1302 \u00b1 59,5 Hz, kas atbilst spraugas p\u0101rejas frekvences divk\u0101r\u0161ai sl\u012bdes frekvences modul\u0101cijai.\n <\/div>\n\n <h3>Augstas frekvences vibr\u0101cijas anal\u012bze<\/h3>\n\n <p>Augstas frekvences vibr\u0101ciju anal\u012bzes m\u0113r\u0137is ir noteikt gult\u0146u defektu frekvences un augst\u0101kas k\u0101rtas zobratu sazv\u0113rest\u012bbas harmonikas. Rito\u0161o elementu gult\u0146i \u0123ener\u0113 rakstur\u012bg\u0101s frekvences, pamatojoties uz \u0123eometriju un rot\u0101cijas \u0101trumu, nodro\u0161inot prec\u012bzas diagnostikas iesp\u0113jas gult\u0146u st\u0101vok\u013ca nov\u0113rt\u0113\u0161anai.<\/p>\n\n <p>Lod\u012btes p\u0101rskrie\u0161anas frekvence \u0100r\u0113jais rites skr\u0113jiens (BPFO) rodas, kad rito\u0161ie elementi p\u0101rskrien gar\u0101m nekust\u012bgam \u0101r\u0113j\u0101 rites skr\u0113jiena defektam. \u0160\u012b frekvence ir atkar\u012bga no gult\u0146a \u0123eometrijas un parasti sv\u0101rst\u0101s no 3 l\u012bdz 8 reiz\u0113m rot\u0101cijas frekvences parastajiem gult\u0146u konstrukcij\u0101m.<\/p>\n\n <p>Lod\u012btes caurlaides frekvences iek\u0161\u0113j\u0101 gredzena (BPFI) v\u0113rt\u012bba rodas, rito\u0161ajiem elementiem saskaroties ar iek\u0161\u0113j\u0101 gredzena defektiem. T\u0101 k\u0101 iek\u0161\u0113j\u0101 gredzena v\u0113rt\u012bba rot\u0113 kop\u0101 ar v\u0101rpstu, BPFI parasti p\u0101rsniedz BPFO un var uzr\u0101d\u012bt rot\u0101cijas frekvences modul\u0101ciju slodzes zonas efektu d\u0113\u013c.<\/p>\n\n <div class=\"formula\">\n <strong>Gult\u0146u defektu bie\u017eums:<\/strong><br>\n BPFO = (n\/2) \u00d7 fr \u00d7 (1 - (d\/D) \u00d7 cos (\u03c6))<br>\n BPFI = (n\/2) \u00d7 fr \u00d7 (1 + (d\/D) \u00d7 cos (\u03c6))<br>\n Kur: n = rito\u0161o elementu skaits, fr = rot\u0101cijas frekvence, d = rito\u0161\u0101 elementa diametrs, D = so\u013ca diametrs, \u03c6 = saskares le\u0146\u0137is\n <\/div>\n\n <p>Pamatfrekvence (FTF) ir sprosts rot\u0101cijas frekvence un parasti ir vien\u0101da ar 0,4\u20130,45 reiz\u0113m v\u0101rpstas rot\u0101cijas frekvenci. Sprosts defekti vai e\u013c\u013co\u0161anas probl\u0113mas var rad\u012bt vibr\u0101ciju FTF un t\u0101s harmonik\u0101s.<\/p>\n\n <p>Lod\u012btes grie\u0161an\u0101s frekvence (BSF) nor\u0101da atsevi\u0161\u0137a rito\u0161\u0101 elementa rot\u0101ciju ap savu asi. \u0160\u012b frekvence vibr\u0101cijas spektros par\u0101d\u0101s reti, ja vien rito\u0161ajiem elementiem nav virsmas defektu vai izm\u0113ru nel\u012bdzenumu.<\/p>\n\n <h3>Ultraska\u0146as vibr\u0101cijas pielietojumi<\/h3>\n\n <p>Ultraska\u0146as vibr\u0101cijas m\u0113r\u012bjumi atkl\u0101j s\u0101kotn\u0113jos gult\u0146u defektus ned\u0113\u013cas vai m\u0113ne\u0161us pirms tie k\u013c\u016bst redzami tradicion\u0101laj\u0101 vibr\u0101cijas anal\u012bz\u0113. Virsmas nel\u012bdzenuma kontakts, mikroplaisas un e\u013c\u013co\u0161anas pl\u0113ves sabruk\u0161ana rada ultraska\u0146as emisijas, kas notiek pirms izm\u0113r\u0101m\u0101m gult\u0146u defektu bie\u017euma izmai\u0146\u0101m.<\/p>\n\n <p>Aploksnes anal\u012bzes metodes ieg\u016bst amplit\u016bdas modul\u0101cijas inform\u0101ciju no ultraska\u0146as nes\u0113jfrekvenc\u0113m, atkl\u0101jot zemfrekvences modul\u0101cijas mode\u013cus, kas atbilst gult\u0146u defektu frekvenc\u0113m. \u0160\u012b pieeja apvieno augstfrekvences jut\u012bbu ar zemfrekvences diagnostikas inform\u0101ciju.<\/p>\n\n <p>Ultraska\u0146as m\u0113r\u012bjumiem nepiecie\u0161ama r\u016bp\u012bga sensoru izv\u0113le un uzst\u0101d\u012b\u0161ana, lai izvair\u012btos no sign\u0101la pies\u0101r\u0146ojuma ar elektromagn\u0113tiskiem trauc\u0113jumiem un meh\u0101nisku troksni. Akselerometri ar frekvences raksturl\u012bkni, kas sniedzas virs 50 kHz, un atbilsto\u0161a sign\u0101la apstr\u0101de nodro\u0161ina uzticamus ultraska\u0146as m\u0113r\u012bjumus.<\/p>\n\n <div class=\"note\">\n <strong>Tehniska piez\u012bme:<\/strong> Ultraska\u0146as vibr\u0101ciju anal\u012bze izr\u0101d\u0101s visefekt\u012bv\u0101k\u0101 gult\u0146u uzraudz\u012bbai, ta\u010du t\u0101 var sniegt ierobe\u017eotu inform\u0101ciju par p\u0101rnesumu probl\u0113m\u0101m akustisk\u0101 v\u0101jin\u0101\u0161an\u0101s d\u0113\u013c caur p\u0101rnesumu korpusa konstrukcij\u0101m.\n <\/div>\n\n <h3>Meh\u0101nisk\u0101s un elektromagn\u0113tisk\u0101s vibr\u0101cijas izcelsme<\/h3>\n\n <p>Meh\u0101nisko vibr\u0101ciju avoti rada platjoslas ierosmi ar frekvences saturu, kas saist\u012bts ar komponentu \u0123eometriju un kinem\u0101tiku. Trieciena sp\u0113ki no gult\u0146u defektiem, zobratu zobu sa\u0137eres un meh\u0101nisk\u0101s va\u013c\u012bguma rada impuls\u012bvus sign\u0101lus ar bag\u0101t\u012bgu harmonisko saturu, kas sniedzas pla\u0161os frekven\u010du diapazonos.<\/p>\n\n <p>Elektromagn\u0113tisko vibr\u0101ciju avoti rada diskr\u0113tas frekvences komponentes, kas saist\u012btas ar elektrot\u012bkla frekvenci un motora konstrukcijas parametriem. \u0160\u012bs frekvences paliek neatkar\u012bgas no meh\u0101niskajiem rot\u0101cijas \u0101trumiem un saglab\u0101 fiks\u0113tas attiec\u012bbas ar energosist\u0113mas frekvenci.<\/p>\n\n <p>Lai at\u0161\u0137irtu meh\u0101niskos un elektromagn\u0113tiskos vibr\u0101cijas avotus, ir nepiecie\u0161ama r\u016bp\u012bga frekven\u010du attiec\u012bbu un slodzes atkar\u012bbas anal\u012bze. Meh\u0101nisk\u0101 vibr\u0101cija parasti main\u0101s atkar\u012bb\u0101 no rot\u0101cijas \u0101truma un meh\u0101nisk\u0101s slodzes, savuk\u0101rt elektromagn\u0113tisk\u0101 vibr\u0101cija korel\u0113 ar elektrisko slodzi un baro\u0161anas sprieguma kvalit\u0101ti.<\/p>\n\n <h3>Trieciena un trieciena vibr\u0101cijas raksturojums<\/h3>\n\n <p>Trieciena vibr\u0101cija rodas p\u0113k\u0161\u0146as sp\u0113ka iedarb\u012bbas rezult\u0101t\u0101 ar \u013coti \u012bsu ilgumu. Zobrata zobu sa\u0137ere, gult\u0146a elementa triecieni un rite\u0146a un sliedes saskare rada trieciena sp\u0113kus, kas vienlaikus ierosina vair\u0101kas struktur\u0101l\u0101s rezonanses.<\/p>\n\n <p>Trieciena notikumi rada rakstur\u012bgus laika dom\u0113na parakstus ar augstiem maksimuma faktoriem un pla\u0161u frekven\u010du saturu. Trieciena vibr\u0101cijas frekven\u010du spektrs vair\u0101k ir atkar\u012bgs no konstrukcijas reakcijas raksturlielumiem nek\u0101 no pa\u0161a trieciena notikuma, t\u0101p\u0113c pareizai interpret\u0101cijai ir nepiecie\u0161ama laika dom\u0113na anal\u012bze.<\/p>\n\n <p>Triecienreakcijas spektra anal\u012bze sniedz visaptvero\u0161u konstrukcijas reakcijas uz trieciena slodzi raksturojumu. \u0160\u012b anal\u012bze atkl\u0101j, kuras dabisk\u0101s frekvences tiek ierosin\u0101tas trieciena notikumu rezult\u0101t\u0101, un to relat\u012bvo ieguld\u012bjumu kop\u0113j\u0101 vibr\u0101cijas l\u012bmen\u012b.<\/p>\n\n <h3>Nejau\u0161a vibr\u0101cija no berzes avotiem<\/h3>\n\n <p>Berzes izrais\u012btas vibr\u0101cijas uzr\u0101da nejau\u0161as \u012bpa\u0161\u012bbas virsmas kontakta par\u0101d\u012bbu stohastisk\u0101 rakstura d\u0113\u013c. Brem\u017eu \u010d\u012bksto\u0146a, gult\u0146u vibr\u0101cija un rite\u0146u un sliedes mijiedarb\u012bba rada platjoslas nejau\u0161as vibr\u0101cijas, kur\u0101m nepiecie\u0161amas statistisk\u0101s anal\u012bzes metodes.<\/p>\n\n <p>Stiep\u0161an\u0101s uzved\u012bba berzes sist\u0113m\u0101s rada pa\u0161izrais\u012btu vibr\u0101ciju ar sare\u017e\u0123\u012btu frekven\u010du saturu. Berzes sp\u0113ka izmai\u0146as stiep\u0161an\u0101s ciklu laik\u0101 rada subharmoniskas vibr\u0101cijas komponentes, kas var sakrist ar struktur\u0101laj\u0101m rezonans\u0113m, izraisot pastiprin\u0101tus vibr\u0101cijas l\u012bme\u0146us.<\/p>\n\n <p>Nejau\u0161o vibr\u0101ciju anal\u012bz\u0113 tiek izmantotas jaudas spektr\u0101l\u0101 bl\u012bvuma funkcijas un statistiskie parametri, piem\u0113ram, kvadr\u0101tisk\u0101 v\u0113rt\u012bba (RMS) un varb\u016bt\u012bbas sadal\u012bjums. \u0160\u012bs metodes sniedz kvantitat\u012bvu nov\u0113rt\u0113jumu par nejau\u0161o vibr\u0101ciju intensit\u0101ti un to potenci\u0101lo ietekmi uz komponentu noguruma kalpo\u0161anas laiku.<\/p>\n\n <div class=\"warning\">\n <strong>Svar\u012bgi:<\/strong> Nejau\u0161a vibr\u0101cija no berzes avotiem var mask\u0113t periodiskus defektu sign\u0101lus parastaj\u0101 spektr\u0101laj\u0101 anal\u012bz\u0113. Laika sinhron\u0101s vid\u0113jo\u0161anas un k\u0101rt\u012bbas anal\u012bzes metodes pal\u012bdz atdal\u012bt deterministiskus sign\u0101lus no nejau\u0161a trok\u0161\u0146a fona.\n <\/div>\n\n <h2>2.3.1.4. WMB, WGB, AM konstrukcijas iez\u012bmes un to ietekme uz vibr\u0101cijas raksturlielumiem<\/h2>\n\n <h3>Prim\u0101r\u0101s WMB, WGB un AM konfigur\u0101cijas<\/h3>\n\n <p>Lokomot\u012bvju ra\u017eot\u0101ji izmanto da\u017e\u0101das meh\u0101niskas ier\u012bces, lai p\u0101rs\u016bt\u012btu jaudu no vilces motoriem uz piedzi\u0146as rite\u0146p\u0101riem. Katrai konfigur\u0101cijai ir unik\u0101las vibr\u0101cijas \u012bpa\u0161\u012bbas, kas tie\u0161i ietekm\u0113 diagnostikas pieejas un apkopes pras\u012bbas.<\/p>\n\n <p>Priek\u0161gal\u0101 piekarin\u0101tie vilces motori tiek tie\u0161i uzst\u0101d\u012bti uz rite\u0146u p\u0101ru as\u012bm, radot stingru meh\u0101nisku savienojumu starp motoru un rite\u0146u p\u0101ri. \u0160\u012b konfigur\u0101cija samazina jaudas p\u0101rvades zudumus, bet pak\u013cauj motorus vis\u0101m slie\u017eu ce\u013ca izrais\u012btaj\u0101m vibr\u0101cij\u0101m un triecieniem. Tie\u0161\u0101 mont\u0101\u017eas izk\u0101rtojums savieno motora elektromagn\u0113tisko vibr\u0101ciju ar rite\u0146u p\u0101ra meh\u0101nisko vibr\u0101ciju, radot sare\u017e\u0123\u012btus spektra mode\u013cus, kuriem nepiecie\u0161ama r\u016bp\u012bga anal\u012bze.<\/p>\n\n <p>Uz r\u0101mja mont\u0113ti vilces motori izmanto elast\u012bgas sakabes sist\u0113mas, lai p\u0101rs\u016bt\u012btu jaudu uz rite\u0146u p\u0101riem, vienlaikus izol\u0113jot motorus no slie\u017eu ce\u013ca trauc\u0113jumiem. Kard\u0101na savienojumi, elast\u012bgi sakabes savienojumi vai zobratu tipa sakabes savienojumi piel\u0101gojas relat\u012bvai kust\u012bbai starp motoru un rite\u0146u p\u0101ri, vienlaikus saglab\u0101jot jaudas p\u0101rvades sp\u0113ju. \u0160is izk\u0101rtojums samazina motora vibr\u0101cijas iedarb\u012bbu, bet rada papildu vibr\u0101cijas avotus, izmantojot sakabes dinamiku.<\/p>\n\n <div class=\"example\">\n <strong>Piem\u0113rs:<\/strong> Uz r\u0101mja mont\u0113ta vilces motora sist\u0113ma ar kard\u0101na savienojumu rada vibr\u0101ciju pie loc\u012btavas pamatfrekvences (2\u00d7 v\u0101rpstas \u0101trums), k\u0101 ar\u012b harmonikas pie 4\u00d7, 6\u00d7 un 8\u00d7 v\u0101rpstas \u0101truma. Loc\u012btavas nodilums palielina harmonikas amplit\u016bdu, savuk\u0101rt nob\u012bde rada papildu frekvences komponentes pie 1\u00d7 un 3\u00d7 v\u0101rpstas \u0101truma.\n <\/div>\n\n <p>P\u0101rnesumu piedzi\u0146as sist\u0113m\u0101s tiek izmantots starpzobratu redukcija starp motoru un rite\u0146u p\u0101ri, lai optimiz\u0113tu motora darb\u012bbas raksturlielumus. Vienpak\u0101pes spir\u0101lveida redukcija nodro\u0161ina kompaktu konstrukciju ar m\u0113renu trok\u0161\u0146a l\u012bmeni, savuk\u0101rt divpak\u0101pju redukcijas sist\u0113mas pied\u0101v\u0101 liel\u0101ku elast\u012bbu p\u0101rnesumu izv\u0113l\u0113, bet palielina sare\u017e\u0123\u012bt\u012bbu un potenci\u0101lus vibr\u0101cijas avotus.<\/p>\n\n <h3>Meh\u0101nisk\u0101s sakabes sist\u0113mas un vibr\u0101cijas p\u0101rraide<\/h3>\n\n <p>Meh\u0101nisk\u0101 saskarne starp vilces motora rotoru un zobratu b\u016btiski ietekm\u0113 vibr\u0101cijas p\u0101rneses raksturlielumus. Sarau\u0161an\u0101s savienojumi nodro\u0161ina stingru savienojumu ar izcilu koncentriskumu, ta\u010du var rad\u012bt mont\u0101\u017eas spriegumus, kas ietekm\u0113 rotora l\u012bdzsvara kvalit\u0101ti.<\/p>\n\n <p>Atsl\u0113gu savienojumi piel\u0101gojas termiskajai izple\u0161anai un vienk\u0101r\u0161o mont\u0101\u017eas proced\u016bras, ta\u010du griezes momenta mai\u0146as laik\u0101 rada br\u012bvkust\u012bbu un potenci\u0101lu trieciena slodzi. Atsl\u0113gu nodilums rada papildu br\u012bvkust\u012bbu, kas pa\u0101trin\u0101juma un pal\u0113nin\u0101juma ciklu laik\u0101 rada trieciena sp\u0113kus ar divk\u0101r\u0161u rot\u0101cijas frekvenci.<\/p>\n\n <p>Ierievotie savienojumi pied\u0101v\u0101 izcilu griezes momenta p\u0101rvades sp\u0113ju un piel\u0101gojas aksi\u0101lajai nob\u012bdei, ta\u010du tiem ir nepiecie\u0161amas prec\u012bzas ra\u017eo\u0161anas pielaides, lai samazin\u0101tu vibr\u0101cijas ra\u0161anos. Ierievoto savienojumu nodilums rada apk\u0101rtm\u0113ra br\u012bvkust\u012bbu, kas atkar\u012bb\u0101 no slodzes apst\u0101k\u013ciem rada sare\u017e\u0123\u012btus vibr\u0101cijas mode\u013cus.<\/p>\n\n <p>Elast\u012bgas savienojumu sist\u0113mas izol\u0113 v\u0113rpes vibr\u0101cijas, vienlaikus piel\u0101gojot savienoto v\u0101rpstu neatbilst\u012bbu. Elastom\u0113ru savienojumi nodro\u0161ina izcilu vibr\u0101ciju izol\u0101ciju, ta\u010du tiem piem\u012bt no temperat\u016bras atkar\u012bgas stingr\u012bbas \u012bpa\u0161\u012bbas, kas ietekm\u0113 dabisk\u0101s frekvences atra\u0161an\u0101s vietas. Zobratu tipa savienojumi saglab\u0101 nemain\u012bgas stingr\u012bbas \u012bpa\u0161\u012bbas, bet rada acs frekvences vibr\u0101ciju, kas palielina kop\u0113jo sist\u0113mas spektr\u0101lo saturu.<\/p>\n\n <h3>Rite\u0146u p\u0101ra ass gult\u0146u konfigur\u0101cijas<\/h3>\n\n <p>Rite\u0146u p\u0101ru asu gult\u0146i atbalsta vertik\u0101l\u0101s, s\u0101nu un aksi\u0101l\u0101s slodzes, vienlaikus piel\u0101gojoties termiskajai izple\u0161an\u0101s un slie\u017eu ce\u013ca \u0123eometrijas izmai\u0146\u0101m. Cilindriskie rull\u012b\u0161u gult\u0146i efekt\u012bvi tiek gal\u0101 ar radi\u0101laj\u0101m slodz\u0113m, bet aksi\u0101l\u0101s slodzes atbalstam ir nepiecie\u0161ami atsevi\u0161\u0137i aksi\u0101lie gult\u0146i.<\/p>\n\n <p>Koniskie rull\u012b\u0161u gult\u0146i nodro\u0161ina kombin\u0113tu radi\u0101l\u0101s un aksi\u0101l\u0101s slodzes iztur\u012bbu ar izcil\u0101m stingr\u012bbas \u012bpa\u0161\u012bb\u0101m sal\u012bdzin\u0101jum\u0101 ar lod\u012b\u0161u gult\u0146iem. Konusveida \u0123eometrija rada iek\u0161\u0113ju priek\u0161slodzi, kas nov\u0113r\u0161 iek\u0161\u0113jo atstarpi, bet prasa prec\u012bzu regul\u0113\u0161anu, lai izvair\u012btos no p\u0101rm\u0113r\u012bgas slodzes vai nepietiekama atbalsta.<\/p>\n\n <div class=\"note\">\n <strong>Tehniska piez\u012bme:<\/strong> Rite\u0146p\u0101ru gult\u0146u vilces slodzes rodas no rite\u0146u un sliedes mijiedarb\u012bbas sp\u0113kiem l\u012bk\u0146u izbrauk\u0161anas, l\u012bme\u0146u izmai\u0146u un vilces\/bremz\u0113\u0161anas darb\u012bbu laik\u0101. \u0160\u012bs main\u012bg\u0101s slodzes rada laika gait\u0101 main\u012bgus gult\u0146u sprieguma mode\u013cus, kas ietekm\u0113 vibr\u0101cijas raksturlielumus un nodiluma mode\u013cus.\n <\/div>\n\n <p>Divrindu sf\u0113riskie rull\u012b\u0161u gult\u0146i iztur lielas radi\u0101l\u0101s slodzes un m\u0113renas vilces slodzes, vienlaikus nodro\u0161inot pa\u0161izl\u012bdzin\u0101\u0161an\u0101s sp\u0113ju kompens\u0113t v\u0101rpstas novirzi un korpusa nob\u012bdi. Sf\u0113risk\u0101 \u0101r\u0113j\u0101s gredzena \u0123eometrija rada e\u013c\u013cas pl\u0113ves sl\u0101p\u0113\u0161anu, kas pal\u012bdz kontrol\u0113t vibr\u0101cijas p\u0101rne\u0161anu.<\/p>\n\n <p>Gult\u0146a iek\u0161\u0113j\u0101 kl\u012brenss b\u016btiski ietekm\u0113 vibr\u0101cijas raksturlielumus un slodzes sadal\u012bjumu. P\u0101rm\u0113r\u012bga kl\u012brenss pie\u013cauj trieciena slodzi slodzes mai\u0146as ciklu laik\u0101, radot augstfrekvences trieciena vibr\u0101ciju. Nepietiekama kl\u012brenss rada priek\u0161slodzes apst\u0101k\u013cus, kas palielina rites pretest\u012bbu un siltuma veido\u0161anos, vienlaikus potenci\u0101li samazinot vibr\u0101cijas amplit\u016bdu.<\/p>\n\n <h3>P\u0101rnesumu sist\u0113mas konstrukcijas ietekme uz vibr\u0101ciju<\/h3>\n\n <p>Zobrata zobu \u0123eometrija tie\u0161i ietekm\u0113 acs frekvences vibr\u0101cijas amplit\u016bdu un harmonisko saturu. Invol\u016btie zobu profili ar atbilsto\u0161iem spiediena le\u0146\u0137iem un papildin\u0101jumu modifik\u0101cij\u0101m samazina acs sp\u0113ka sv\u0101rst\u012bbas un ar to saist\u012bto vibr\u0101ciju ra\u0161anos.<\/p>\n\n <p>Spir\u0101lveida zobrati nodro\u0161ina vienm\u0113r\u012bg\u0101ku jaudas p\u0101rvadi sal\u012bdzin\u0101jum\u0101 ar cilindriskajiem zobratiem, pateicoties pak\u0101penisk\u0101m zobu sa\u0137eres \u012bpa\u0161\u012bb\u0101m. Spir\u0101lveida le\u0146\u0137is rada aksi\u0101l\u0101 sp\u0113ka komponentes, kur\u0101m nepiecie\u0161ams vilces gult\u0146a atbalsts, bet iev\u0113rojami samazina acs frekvences vibr\u0101cijas amplit\u016bdu.<\/p>\n\n <p>Zobrata kontakta attiec\u012bba nosaka vienlaic\u012bgi sazob\u0101 eso\u0161o zobu skaitu jaudas p\u0101rvades laik\u0101. Augst\u0101ka kontakta attiec\u012bba sadala slodzi starp liel\u0101ku skaitu zobu, samazinot atsevi\u0161\u0137u zobu spriegumu un sazobes sp\u0113ka sv\u0101rst\u012bbas. Kontakta attiec\u012bba virs 1,5 nodro\u0161ina iev\u0113rojamu vibr\u0101cijas samazin\u0101jumu sal\u012bdzin\u0101jum\u0101 ar zem\u0101ku attiec\u012bbu.<\/p>\n\n <div class=\"formula\">\n <strong>P\u0101rnesuma kontakta attiec\u012bba:<\/strong><br>\n Kontakta attiec\u012bba = (darb\u012bbas loks) \/ (ap\u013cveida pi\u0137is)<br>\n <br>\n \u0100r\u0113jiem p\u0101rnesumiem:<br>\n \u03b5\u03b1 = (Z\u2081(tan(\u03b1\u2090\u2081)\u00a0\u2014 iedegums(\u03b1)) + Z2(tan(\u03b1\u2090\u2082)\u00a0\u2014 iedegums(\u03b1))) \/ (2\u03c0)<br>\n Kur: Z = zobu skaits, \u03b1 = spiediena le\u0146\u0137is, \u03b1\u2090 = pievieno\u0161anas le\u0146\u0137is\n <\/div>\n\n <p>Zobratu ra\u017eo\u0161anas precizit\u0101te ietekm\u0113 vibr\u0101cijas rad\u012b\u0161anu, pateicoties zobu atstatuma k\u013c\u016bd\u0101m, profila novirz\u0113m un virsmas apdares vari\u0101cij\u0101m. AGMA kvalit\u0101tes pak\u0101pes kvantific\u0113 ra\u017eo\u0161anas precizit\u0101ti, un augst\u0101kas pak\u0101pes rada zem\u0101ku vibr\u0101cijas l\u012bmeni, bet t\u0101m nepiecie\u0161ami d\u0101rg\u0101ki ra\u017eo\u0161anas procesi.<\/p>\n\n <p>Slodzes sadal\u012bjums pa zobrata virsmas platumu ietekm\u0113 lok\u0101lo sprieguma koncentr\u0101ciju un vibr\u0101cijas \u0123ener\u0113\u0161anu. Vainagotas zobu virsmas un pareizs v\u0101rpstas izl\u012bdzin\u0101jums nodro\u0161ina vienm\u0113r\u012bgu slodzes sadal\u012bjumu, samazinot malu slodzi, kas rada augstfrekvences vibr\u0101cijas komponentus.<\/p>\n\n <h3>Kard\u0101na v\u0101rpstas sist\u0113mas WGB lietojumos<\/h3>\n\n <p>Rite\u0146u p\u0101ru bloki ar kard\u0101nv\u0101rpstas jaudas p\u0101rvadi nodro\u0161ina liel\u0101kus att\u0101lumus starp motoru un rite\u0146u p\u0101ri, vienlaikus nodro\u0161inot elast\u012bgu savienojuma iesp\u0113ju. Kard\u0101nv\u0101rpstas katr\u0101 gal\u0101 eso\u0161ie univers\u0101lie savienojumi rada kinem\u0101tiskus ierobe\u017eojumus, kas rada rakstur\u012bgus vibr\u0101cijas mode\u013cus.<\/p>\n\n <p>Vienas kard\u0101na loc\u012btavas darb\u012bba rada \u0101truma izmai\u0146as, kas rada vibr\u0101ciju ar divk\u0101r\u0161u v\u0101rpstas grie\u0161an\u0101s frekvenci. \u0160\u012bs vibr\u0101cijas amplit\u016bda ir atkar\u012bga no loc\u012btavas darb\u012bbas le\u0146\u0137a, un liel\u0101ki le\u0146\u0137i rada augst\u0101ku vibr\u0101cijas l\u012bmeni saska\u0146\u0101 ar labi nosak\u0101m\u0101m kinem\u0101tiskaj\u0101m attiec\u012bb\u0101m.<\/p>\n\n <div class=\"formula\">\n <strong>Kard\u0101na loc\u012btavas \u0101truma vari\u0101cija:<\/strong><br>\n \u03c9\u2082\/\u03c9\u2081 = cos(\u03b2) \/ (1\u00a0\u2014 sin\u00b2(\u03b2) \u00d7 sin\u00b2(\u03b8))<br>\n Kur: \u03c9\u2081, \u03c9\u2082 = ieejas\/izejas le\u0146\u0137iskie \u0101trumi, \u03b2 = loc\u012btavas le\u0146\u0137is, \u03b8 = rot\u0101cijas le\u0146\u0137is\n <\/div>\n\n <p>Divk\u0101r\u0161i kard\u0101na savienojumu izvietojumi ar pareizu f\u0101z\u0113\u0161anu nov\u0113r\u0161 pirm\u0101s k\u0101rtas \u0101truma sv\u0101rst\u012bbas, bet rada augst\u0101kas k\u0101rtas efektus, kas k\u013c\u016bst noz\u012bm\u012bgi pie lieliem darb\u012bbas le\u0146\u0137iem. Past\u0101v\u012bga \u0101truma savienojumi nodro\u0161ina lab\u0101kas vibr\u0101cijas \u012bpa\u0161\u012bbas, ta\u010du tiem ir nepiecie\u0161amas sare\u017e\u0123\u012bt\u0101kas ra\u017eo\u0161anas un apkopes proced\u016bras.<\/p>\n\n <p>Kard\u0101nv\u0101rpstas kritiskajiem \u0101trumiem j\u0101b\u016bt labi atdal\u012btiem no darba \u0101truma diapazoniem, lai izvair\u012btos no rezonanses pastiprin\u0101\u0161anas. V\u0101rpstas diametrs, garums un materi\u0101la \u012bpa\u0161\u012bbas nosaka kritisk\u0101 \u0101truma atra\u0161an\u0101s vietas, t\u0101p\u0113c katram pielietojumam ir nepiecie\u0161ama r\u016bp\u012bga konstrukcijas anal\u012bze.<\/p>\n\n <h3>Vibr\u0101cijas raksturojums da\u017e\u0101dos ekspluat\u0101cijas apst\u0101k\u013cos<\/h3>\n\n <p>Lokomot\u012bvju ekspluat\u0101cija rada da\u017e\u0101dus ekspluat\u0101cijas apst\u0101k\u013cus, kas b\u016btiski ietekm\u0113 vibr\u0101ciju raksturlielumus un diagnostikas interpret\u0101ciju. Statisk\u0101 test\u0113\u0161ana ar lokomot\u012bv\u0113m, kas novietotas uz apkopes stendiem, nov\u0113r\u0161 slie\u017eu ce\u013ca izrais\u012bt\u0101s vibr\u0101cijas un rite\u0146u un sliedes mijiedarb\u012bbas sp\u0113kus, nodro\u0161inot kontrol\u0113tus apst\u0101k\u013cus b\u0101zes m\u0113r\u012bjumiem.<\/p>\n\n <p>Rito\u0161\u0101s da\u013cas piekares sist\u0113mas norm\u0101las ekspluat\u0101cijas laik\u0101 izol\u0113 lokomot\u012bves vagona korpusu no rite\u0146u p\u0101ru vibr\u0101cij\u0101m, ta\u010du noteikt\u0101s frekvenc\u0113s var rad\u012bt rezonanses efektus. Prim\u0101r\u0101s piekares dabisk\u0101s frekvences parasti sv\u0101rst\u0101s no 1\u20133 Hz vertik\u0101lajiem re\u017e\u012bmiem un no 0,5\u20131,5 Hz s\u0101nu re\u017e\u012bmiem, kas potenci\u0101li var ietekm\u0113t zemfrekvences vibr\u0101ciju p\u0101rne\u0161anu.<\/p>\n\n <p>Slie\u017eu ce\u013ca nel\u012bdzenumi ierosina rite\u0146u p\u0101ru vibr\u0101cijas pla\u0161\u0101 frekven\u010du diapazon\u0101 atkar\u012bb\u0101 no vilciena \u0101truma un slie\u017eu ce\u013ca st\u0101vok\u013ca. Slie\u017eu savienojumi rada periodiskus triecienus frekvenc\u0113s, ko nosaka slie\u017eu garums un vilciena \u0101trums, savuk\u0101rt slie\u017eu ce\u013ca platuma izmai\u0146as rada s\u0101nu vibr\u0101cijas, kas mijiedarbojas ar rite\u0146u p\u0101ru vibr\u0101ciju re\u017e\u012bmiem.<\/p>\n\n <div class=\"example\">\n <strong>Piem\u0113rs:<\/strong> Lokomot\u012bve, kas p\u0101rvietojas ar \u0101trumu 100 km\/h pa 25 metru gariem slie\u017eu posmiem, saskaras ar slie\u017eu savienojumu triecieniem ar frekvenci 1,11 Hz. Augst\u0101kas harmonikas pie 2,22, 3,33 un 4,44 Hz var ierosin\u0101t piekares rezonanses vai konstrukcijas re\u017e\u012bmus, t\u0101p\u0113c ekspluat\u0101cijas testu laik\u0101 ir r\u016bp\u012bgi j\u0101interpret\u0113 vibr\u0101cijas m\u0113r\u012bjumi.\n <\/div>\n\n <p>Vilces un bremz\u0113\u0161anas sp\u0113ki rada papildu slodzi, kas ietekm\u0113 gult\u0146u slodzes sadal\u012bjumu un zobratu sazobes raksturlielumus. Lielas vilces slodzes palielina zobratu zobu saskares spriegumus un var main\u012bt slodzes zonas rite\u0146u p\u0101ru gult\u0146os, mainot vibr\u0101cijas mode\u013cus sal\u012bdzin\u0101jum\u0101 ar nenoslogotiem apst\u0101k\u013ciem.<\/p>\n\n <h3>Pal\u012bgier\u012b\u010du vibr\u0101cijas raksturlielumi<\/h3>\n\n <p>Dzes\u0113\u0161anas ventilatoru sist\u0113m\u0101s tiek izmantotas da\u017e\u0101das l\u0101psti\u0146rite\u0146u konstrukcijas, kas rada at\u0161\u0137ir\u012bgas vibr\u0101cijas. Centrb\u0113dzes ventilatori \u0123ener\u0113 l\u0101psti\u0146u p\u0101rejas frekvences vibr\u0101cijas ar amplit\u016bdu atkar\u012bb\u0101 no l\u0101psti\u0146u skaita, grie\u0161an\u0101s \u0101truma un aerodinamisk\u0101s slodzes. Aksi\u0101lie ventilatori rada l\u012bdz\u012bgas l\u0101psti\u0146u p\u0101rejas frekvences, bet ar at\u0161\u0137ir\u012bgu harmonisko saturu pl\u016bsmas mode\u013ca at\u0161\u0137ir\u012bbu d\u0113\u013c.<\/p>\n\n <p>Ventilatora nel\u012bdzsvarot\u012bba rada vibr\u0101ciju rot\u0101cijas frekvenc\u0113, kuras amplit\u016bda ir proporcion\u0101la \u0101truma kvadr\u0101tam, l\u012bdz\u012bgi k\u0101 cit\u0101m rot\u0113jo\u0161\u0101m ma\u0161\u012bn\u0101m. Tom\u0113r aerodinamiskie sp\u0113ki, ko rada l\u0101psti\u0146u aizs\u0113r\u0113\u0161ana, erozija vai boj\u0101jumi, var rad\u012bt papildu vibr\u0101cijas komponentus, kas sare\u017e\u0123\u012b diagnostisko interpret\u0101ciju.<\/p>\n\n <p>Gaisa kompresoru sist\u0113m\u0101s parasti tiek izmantotas virzu\u013cveida konstrukcijas, kas rada vibr\u0101ciju klo\u0137v\u0101rpstas grie\u0161an\u0101s frekvenc\u0113 un t\u0101s harmonik\u0101s. Cilindru skaits un aizdedzes sec\u012bba nosaka harmoniku saturu, un liel\u0101ks cilindru skaits parasti nodro\u0161ina vienm\u0113r\u012bg\u0101ku darb\u012bbu un zem\u0101ku vibr\u0101cijas l\u012bmeni.<\/p>\n\n <p>Hidraulisk\u0101 s\u016bk\u0146a vibr\u0101cijas ir atkar\u012bgas no s\u016bk\u0146a veida un ekspluat\u0101cijas apst\u0101k\u013ciem. Zobratu s\u016bk\u0146i rada acs frekvences vibr\u0101ciju, kas l\u012bdz\u012bga zobratu sist\u0113m\u0101m, savuk\u0101rt l\u0101psti\u0146u s\u016bk\u0146i rada l\u0101psti\u0146u p\u0101rejas frekvences vibr\u0101ciju. Main\u012bga darba tilpuma s\u016bk\u0146iem var b\u016bt sare\u017e\u0123\u012bti vibr\u0101cijas mode\u013ci, kas main\u0101s atkar\u012bb\u0101 no darba tilpuma iestat\u012bjumiem un slodzes apst\u0101k\u013ciem.<\/p>\n\n <h3>V\u0101rpstas atbalsta un stiprin\u0101juma sist\u0113mas ietekme<\/h3>\n\n <p>Gult\u0146a korpusa stingr\u012bba b\u016btiski ietekm\u0113 vibr\u0101cijas p\u0101rnesi no rot\u0113jo\u0161\u0101m deta\u013c\u0101m uz stacion\u0101r\u0101m konstrukcij\u0101m. Elast\u012bgi korpusi var samazin\u0101t vibr\u0101cijas p\u0101rnesi, bet pie\u013cauj liel\u0101ku v\u0101rpstas kust\u012bbu, kas var ietekm\u0113t iek\u0161\u0113jo atstarpi un slodzes sadal\u012bjumu.<\/p>\n\n <p>Pamatnes stingr\u012bba un stiprin\u0101juma izvietojums ietekm\u0113 konstrukcijas rezonanses frekvences un vibr\u0101ciju pastiprin\u0101\u0161anas raksturlielumus. M\u012bkst\u0101s stiprin\u0101juma sist\u0113mas nodro\u0161ina vibr\u0101cijas izol\u0101ciju, bet var rad\u012bt zemfrekvences rezonanses, kas pastiprina nel\u012bdzsvarot\u012bbas izrais\u012bto vibr\u0101ciju.<\/p>\n\n <p>Savienojot vair\u0101kas v\u0101rpstas, izmantojot elast\u012bgus elementus vai zobratu t\u012bklus, tiek rad\u012btas sare\u017e\u0123\u012btas dinamiskas sist\u0113mas ar vair\u0101k\u0101m pa\u0161sv\u0101rst\u012bbu frekvenc\u0113m un re\u017e\u012bmu form\u0101m. \u0160\u012bs savienot\u0101s sist\u0113mas var uzr\u0101d\u012bt vibr\u0101cijas frekvences, ja atsevi\u0161\u0137u komponentu frekvences nedaudz at\u0161\u0137iras, radot amplit\u016bdas modul\u0101cijas mode\u013cus vibr\u0101cijas m\u0113r\u012bjumos.<\/p>\n\n <div class=\"infographic\">\n <h4>Bie\u017ei sastopamie defektu paraksti WMB\/WGB komponentos<\/h4>\n <table>\n <tr>\n <th>Sast\u0101vda\u013ca<\/th>\n <th>Defekta veids<\/th>\n <th>Prim\u0101r\u0101 frekvence<\/th>\n <th>Rakstur\u012bg\u0101s iez\u012bmes<\/th>\n <\/tr>\n <tr>\n <td>Motora gult\u0146i<\/td>\n <td>Iek\u0161\u0113j\u0101s rases defekts<\/td>\n <td>BPFI<\/td>\n <td>Modul\u0113ts ar 1\u00d7 RPM<\/td>\n <\/tr>\n <tr>\n <td>Motora gult\u0146i<\/td>\n <td>\u0100r\u0113j\u0101s rases defekts<\/td>\n <td>BPFO<\/td>\n <td>Fiks\u0113ta amplit\u016bdas sh\u0113ma<\/td>\n <\/tr>\n <tr>\n <td>Zobratu siets<\/td>\n <td>Zobu nodilums<\/td>\n <td>GMF \u00b1 1\u00d7 apgr.\/min.<\/td>\n <td>S\u0101nu joslas ap t\u012bkla frekvenci<\/td>\n <\/tr>\n <tr>\n <td>Rite\u0146u p\u0101ru gult\u0146i<\/td>\n <td>Spalla att\u012bst\u012bba<\/td>\n <td>BPFO\/BPFI<\/td>\n <td>Augsts maksimuma koeficients, aploksne<\/td>\n <\/tr>\n <tr>\n <td>Sakabe<\/td>\n <td>V\u0101rpstu nesakrit\u012bba<\/td>\n <td>2\u00d7 RPM<\/td>\n <td>Aksi\u0101lie un radi\u0101lie komponenti<\/td>\n <\/tr>\n <\/table>\n <\/div>\n\n <h2>2.3.1.5. Vibr\u0101cijas monitoringa un diagnostikas tehniskais apr\u012bkojums un programmat\u016bra<\/h2>\n\n <h3>Pras\u012bbas vibr\u0101cijas m\u0113r\u012b\u0161anas un anal\u012bzes sist\u0113m\u0101m<\/h3>\n\n <p>Efekt\u012bvai dzelzce\u013ca lokomot\u012bvju komponentu vibr\u0101cijas diagnostikai ir nepiecie\u0161amas sare\u017e\u0123\u012btas m\u0113r\u012b\u0161anas un anal\u012bzes iesp\u0113jas, kas risina dzelzce\u013ca vides unik\u0101los izaicin\u0101jumus. M\u016bsdienu vibr\u0101cijas anal\u012bzes sist\u0113m\u0101m ir j\u0101nodro\u0161ina pla\u0161s dinamiskais diapazons, augsta frekvences iz\u0161\u0137irtsp\u0113ja un stabila darb\u012bba skarbos vides apst\u0101k\u013cos, tostarp ekstrem\u0101l\u0101s temperat\u016br\u0101s, elektromagn\u0113tiskajos trauc\u0113jumos un meh\u0101niskos triecienos.<\/p>\n\n <p>Lokomot\u012bvju pielietojumu dinamisk\u0101 diapazona pras\u012bbas parasti p\u0101rsniedz 80 dB, lai uztvertu gan zemas amplit\u016bdas s\u0101kotn\u0113jos defektus, gan augstas amplit\u016bdas ekspluat\u0101cijas vibr\u0101cijas. \u0160aj\u0101 diapazon\u0101 var veikt m\u0113r\u012bjumus no mikrometriem sekund\u0113 agr\u012bniem gult\u0146u defektiem l\u012bdz simtiem milimetru sekund\u0113 nopietnu nel\u012bdzsvarot\u012bbas apst\u0101k\u013cu gad\u012bjum\u0101.<\/p>\n\n <p>Frekvences iz\u0161\u0137irtsp\u0113ja nosaka sp\u0113ju atdal\u012bt cie\u0161i izvietotas spektr\u0101l\u0101s komponentes un identific\u0113t modul\u0101cijas mode\u013cus, kas rakstur\u012bgi konkr\u0113tiem defektu veidiem. Iz\u0161\u0137irtsp\u0113jas joslas platums nedr\u012bkst p\u0101rsniegt 1% no zem\u0101k\u0101s interes\u0113jo\u0161\u0101s frekvences, kas prasa r\u016bp\u012bgu anal\u012bzes parametru izv\u0113li katrai m\u0113r\u012bjumu lietojumprogrammai.<\/p>\n\n <p>Temperat\u016bras stabilit\u0101te nodro\u0161ina m\u0113r\u012bjumu precizit\u0101ti pla\u0161\u0101 temperat\u016bras diapazon\u0101, kas sastopams lokomot\u012bvju lietojumos. M\u0113r\u012b\u0161anas sist\u0113m\u0101m j\u0101uztur kalibr\u0113\u0161anas precizit\u0101te \u00b15% robe\u017e\u0101s temperat\u016bras diapazon\u0101 no -40\u00b0C l\u012bdz +70\u00b0C, lai piel\u0101gotos sezon\u0101l\u0101m sv\u0101rst\u012bb\u0101m un iek\u0101rtu sakar\u0161anas ietekmei.<\/p>\n\n <div class=\"note\">\n <strong>Specifik\u0101cijas piez\u012bme:<\/strong> Dzelzce\u013ca vibr\u0101cijas analizatoriem j\u0101nodro\u0161ina vismaz 24 bitu analogciparu p\u0101rveido\u0161ana ar izl\u012bdzin\u0101\u0161anas filtriem, kas saglab\u0101 vienm\u0113r\u012bgu reakciju uz 40% paraugu \u0146em\u0161anas frekvenci un 80 dB noraid\u012bjumu Nyquist frekvenc\u0113.\n <\/div>\n\n <h3>Gult\u0146u st\u0101vok\u013ca indikatori, izmantojot ultraska\u0146as vibr\u0101ciju<\/h3>\n\n <p>Ultraska\u0146as vibr\u0101ciju anal\u012bze nodro\u0161ina p\u0113c iesp\u0113jas agr\u0101ku gult\u0146u nolietojuma noteik\u0161anu, uzraugot augstfrekvences emisijas no virsmas nel\u012bdzenuma kontakta un e\u013c\u013co\u0161anas pl\u0113ves sabruk\u0161anas. \u0160\u012bs par\u0101d\u012bbas par ned\u0113\u013c\u0101m vai m\u0113ne\u0161iem apsteidz tradicion\u0101l\u0101s vibr\u0101cijas paz\u012bmes, \u013caujot veikt proakt\u012bvu apkopes pl\u0101no\u0161anu.<\/p>\n\n <p>Smailes ener\u0123ijas m\u0113r\u012bjumi kvantific\u0113 impuls\u012bv\u0101s ultraska\u0146as emisijas, izmantojot specializ\u0113tus filtrus, kas uzsver \u012bslaic\u012bgus notikumus, vienlaikus apsl\u0101p\u0113jot past\u0101v\u012bgu fona troksni. \u0160\u012b metode izmanto augstfrekvences filtr\u0113\u0161anu virs 5 kHz, kam seko aploksnes noteik\u0161ana un RMS apr\u0113\u0137in\u0101\u0161ana \u012bsos laika logos.<\/p>\n\n <p>Augstas frekvences aploksnes (HFE) anal\u012bze ieg\u016bst amplit\u016bdas modul\u0101cijas inform\u0101ciju no ultraska\u0146as nes\u0113jsign\u0101liem, atkl\u0101jot zemas frekvences modul\u0101cijas mode\u013cus, kas atbilst gult\u0146u defektu frekvenc\u0113m. \u0160\u012b pieeja apvieno ultraska\u0146as jut\u012bbu ar tradicion\u0101laj\u0101m frekven\u010du anal\u012bzes iesp\u0113j\u0101m.<\/p>\n\n <div class=\"formula\">\n <strong>Smailes ener\u0123ijas apr\u0113\u0137ins:<\/strong><br>\n SE = RMS(aploksne(HPF(sign\u0101ls))) - l\u012bdzstr\u0101vas_nob\u012bde<br>\n Kur: HPF = augstfrekvences filtrs >5 kHz, aploksne = amplit\u016bdas demodul\u0101cija, RMS = vid\u0113j\u0101 kvadr\u0101tisk\u0101 v\u0113rt\u012bba anal\u012bzes log\u0101\n <\/div>\n\n <p>Triecienimpulsa metode (SPM) m\u0113ra ultraska\u0146as p\u0101reju maksim\u0101l\u0101s amplit\u016bdas, izmantojot specializ\u0113tus rezonanses dev\u0113jus, kas noregul\u0113ti l\u012bdz aptuveni 32 kHz. \u0160\u012b metode nodro\u0161ina bezdimensiju gult\u0146u st\u0101vok\u013ca indikatorus, kas labi korel\u0113 ar gult\u0146u boj\u0101juma smagumu.<\/p>\n\n <p>Ultraska\u0146as st\u0101vok\u013ca indikatoriem nepiecie\u0161ama r\u016bp\u012bga kalibr\u0113\u0161ana un tenden\u010du noteik\u0161ana, lai noteiktu s\u0101kotn\u0113j\u0101s v\u0113rt\u012bbas un boj\u0101jumu progres\u0113\u0161anas \u0101trumus. Vides faktori, tostarp temperat\u016bra, slodze un e\u013c\u013co\u0161anas apst\u0101k\u013ci, b\u016btiski ietekm\u0113 indikatoru v\u0113rt\u012bbas, t\u0101p\u0113c ir nepiecie\u0161amas visaptvero\u0161as s\u0101kotn\u0113j\u0101s datub\u0101zes.<\/p>\n\n <h3>Augstas frekvences vibr\u0101cijas modul\u0101cijas anal\u012bze<\/h3>\n\n <p>Rito\u0161o elementu gult\u0146i \u0123ener\u0113 rakstur\u012bgus modul\u0101cijas mode\u013cus augstfrekvences vibr\u0101cij\u0101s periodisku slodzes izmai\u0146u d\u0113\u013c, rito\u0161ajiem elementiem saskaroties ar skrieme\u013ca defektiem. \u0160ie modul\u0101cijas mode\u013ci par\u0101d\u0101s k\u0101 s\u0101nu joslas ap struktur\u0101laj\u0101m rezonanses frekvenc\u0113m un gult\u0146u pa\u0161frekvences.<\/p>\n\n <p>Aploksnes anal\u012bzes metodes ieg\u016bst modul\u0101cijas inform\u0101ciju, filtr\u0113jot vibr\u0101cijas sign\u0101lus, lai izol\u0113tu frekven\u010du joslas, kas satur gult\u0146u rezonanses, izmantojot aploksnes noteik\u0161anu, lai atg\u016btu amplit\u016bdas vari\u0101cijas, un analiz\u0113jot aploksnes spektru, lai identific\u0113tu defektu frekvences.<\/p>\n\n <p>Rezonanses identific\u0113\u0161ana k\u013c\u016bst kritiski svar\u012bga efekt\u012bvai gult\u0146a apvalka anal\u012bzei, jo gult\u0146a trieciena ierosin\u0101\u0161ana galvenok\u0101rt ierosina noteiktas struktur\u0101l\u0101s rezonanses. Slauc\u012bt\u0101 sinuso\u012bda test\u0113\u0161ana vai trieciena mod\u0101l\u0101 anal\u012bze pal\u012bdz noteikt optim\u0101l\u0101s frekven\u010du joslas katras gult\u0146a atra\u0161an\u0101s vietas apvalka anal\u012bzei.<\/p>\n\n <div class=\"example\">\n <strong>Piem\u0113rs:<\/strong> Vilces motora gultnis ar struktur\u0101lu rezonansi pie 8500 Hz uzr\u0101da aploksnes spektra maksimumus BPFO frekvenc\u0113 (167 Hz), kad att\u012bst\u0101s \u0101r\u0113j\u0101s skrieme\u013ca atdal\u012b\u0161an\u0101s. 8500 Hz nes\u0113jfrekvence nodro\u0161ina 50\u00d7 liel\u0101ku 167 Hz modul\u0101cijas mode\u013ca pastiprin\u0101jumu, sal\u012bdzinot ar tie\u0161u zemfrekvences anal\u012bzi.\n <\/div>\n\n <p>Digit\u0101l\u0101s filtr\u0113\u0161anas metodes aploksnes anal\u012bzei ietver gal\u012bgas impulsa reakcijas (FIR) filtrus, kas nodro\u0161ina line\u0101ras f\u0101zes raksturlielumus un nov\u0113r\u0161 sign\u0101la krop\u013cojumus, un bezgal\u012bgas impulsa reakcijas (IIR) filtrus, kas pied\u0101v\u0101 st\u0101vas nob\u012bdes raksturlielumus ar samazin\u0101t\u0101m skait\u013co\u0161anas pras\u012bb\u0101m.<\/p>\n\n <p>Aploksnes spektra anal\u012bzes parametri b\u016btiski ietekm\u0113 diagnostikas jut\u012bbu un precizit\u0101ti. Filtra joslas platumam j\u0101ietver struktur\u0101l\u0101 rezonanse, vienlaikus izsl\u0113dzot blakus eso\u0161\u0101s rezonanses, un anal\u012bzes loga garumam j\u0101nodro\u0161ina atbilsto\u0161a frekven\u010du iz\u0161\u0137irtsp\u0113ja, lai atdal\u012btu gult\u0146u defektu frekvences un to harmonikas.<\/p>\n\n <h3>Visaptvero\u0161as rot\u0113jo\u0161u iek\u0101rtu uzraudz\u012bbas sist\u0113mas<\/h3>\n\n <p>M\u016bsdienu lokomot\u012bvju apkopes iek\u0101rt\u0101s tiek izmantotas integr\u0113tas uzraudz\u012bbas sist\u0113mas, kas apvieno vair\u0101kas diagnostikas metodes, lai nodro\u0161in\u0101tu visaptvero\u0161u rot\u0113jo\u0161\u0101 apr\u012bkojuma st\u0101vok\u013ca nov\u0113rt\u0113jumu. \u0160\u012bs sist\u0113mas integr\u0113 vibr\u0101cijas anal\u012bzi ar e\u013c\u013cas anal\u012bzi, termisko uzraudz\u012bbu un veiktsp\u0113jas parametriem, lai uzlabotu diagnostikas precizit\u0101ti.<\/p>\n\n <p>P\u0101rn\u0113s\u0101jamie vibr\u0101cijas analizatori kalpo k\u0101 prim\u0101rie diagnostikas r\u012bki periodiskai st\u0101vok\u013ca nov\u0113rt\u0113\u0161anai pl\u0101noto apkopes interv\u0101lu laik\u0101. \u0160ie instrumenti nodro\u0161ina spektr\u0101lo anal\u012bzi, laika vi\u013c\u0146u formas uztver\u0161anu un automatiz\u0113tus defektu noteik\u0161anas algoritmus, kas ir optimiz\u0113ti lokomot\u012bvju lietojumiem.<\/p>\n\n <p>Past\u0101v\u012bgi uzst\u0101d\u012btas uzraudz\u012bbas sist\u0113mas nodro\u0161ina kritisko komponentu nep\u0101rtrauktu uzraudz\u012bbu darb\u012bbas laik\u0101. \u0160\u012bs sist\u0113mas izmanto izklied\u0113tus sensoru t\u012bklus, bezvadu datu p\u0101rraidi un automatiz\u0113tus anal\u012bzes algoritmus, lai nodro\u0161in\u0101tu st\u0101vok\u013ca nov\u0113rt\u0113\u0161anu re\u0101llaik\u0101 un trauksmes sign\u0101lu \u0123ener\u0113\u0161anu.<\/p>\n\n <p>Datu integr\u0101cijas iesp\u0113jas apvieno inform\u0101ciju no vair\u0101k\u0101m diagnostikas metod\u0113m, lai uzlabotu k\u013c\u016bmju noteik\u0161anas uzticam\u012bbu un samazin\u0101tu viltus trauksmju l\u012bmeni. Apvienot algoritmi izv\u0113rt\u0113 da\u017e\u0101du diagnostikas meto\u017eu ieguld\u012bjumu, pamatojoties uz to efektivit\u0101ti konkr\u0113tiem k\u013c\u016bmju veidiem un darb\u012bbas apst\u0101k\u013ciem.<\/p>\n\n <h3>Sensoru tehnolo\u0123ijas un uzst\u0101d\u012b\u0161anas metodes<\/h3>\n\n <p>Vibr\u0101cijas sensora izv\u0113le b\u016btiski ietekm\u0113 m\u0113r\u012bjumu kvalit\u0101ti un diagnostikas efektivit\u0101ti. Pjezoelektriskie akselerometri nodro\u0161ina izcilu frekven\u010du reakciju un jut\u012bbu liel\u0101kajai da\u013cai lokomot\u012bvju pielietojumu, savuk\u0101rt elektromagn\u0113tiskie \u0101truma dev\u0113ji pied\u0101v\u0101 izcilu zemfrekvences reakciju liel\u0101m rot\u0113jo\u0161\u0101m ma\u0161\u012bn\u0101m.<\/p>\n\n <p>Sensoru mont\u0101\u017eas metodes kritiski ietekm\u0113 m\u0113r\u012bjumu precizit\u0101ti un uzticam\u012bbu. V\u012bt\u0146otas tapas nodro\u0161ina optim\u0101lu meh\u0101nisko savienojumu past\u0101v\u012bg\u0101m instal\u0101cij\u0101m, savuk\u0101rt magn\u0113tisk\u0101 mont\u0101\u017ea pied\u0101v\u0101 \u0113rt\u012bbas periodiskiem m\u0113r\u012bjumiem uz feromagn\u0113tisk\u0101m virsm\u0101m. L\u012bmes mont\u0101\u017ea ir piem\u0113rota neferomagn\u0113tisk\u0101m virsm\u0101m, ta\u010du tai ir nepiecie\u0161ams virsmas sagatavo\u0161anas un saciet\u0113\u0161anas laiks.<\/p>\n\n <div class=\"warning\">\n <strong>Mont\u0101\u017eas br\u012bdin\u0101jums:<\/strong> Magn\u0113tisk\u0101 stiprin\u0101juma rezonanse parasti notiek frekven\u010du diapazon\u0101 no 700 l\u012bdz 1500 Hz atkar\u012bb\u0101 no magn\u0113ta masas un stiprin\u0101juma virsmas \u012bpa\u0161\u012bb\u0101m. \u0160\u012b rezonanse ierobe\u017eo lietder\u012bgo frekven\u010du diapazonu un var rad\u012bt m\u0113r\u012bjumu artefaktus, kas sare\u017e\u0123\u012b diagnostisko interpret\u0101ciju.\n <\/div>\n\n <p>Sensora orient\u0101cija ietekm\u0113 m\u0113r\u012bjumu jut\u012bbu pret da\u017e\u0101diem vibr\u0101cijas re\u017e\u012bmiem. Radi\u0101lie m\u0113r\u012bjumi visefekt\u012bv\u0101k atkl\u0101j nel\u012bdzsvarot\u012bbu un nob\u012bdi, savuk\u0101rt aksi\u0101lie m\u0113r\u012bjumi atkl\u0101j vilces gult\u0146u probl\u0113mas un savienojuma nob\u012bdi. Tangenci\u0101lie m\u0113r\u012bjumi sniedz unik\u0101lu inform\u0101ciju par v\u0113rpes vibr\u0101ciju un zobratu sazobes dinamiku.<\/p>\n\n <p>Vides aizsardz\u012bba prasa r\u016bp\u012bgu temperat\u016bras gal\u0113j\u012bbu, mitruma iedarb\u012bbu un elektromagn\u0113tiskos trauc\u0113jumus. Herm\u0113tiski akselerometri ar integr\u0113tiem kabe\u013ciem nodro\u0161ina augst\u0101ku uzticam\u012bbu sal\u012bdzin\u0101jum\u0101 ar no\u0146emamu savienot\u0101ju konstrukcij\u0101m skarbos dzelzce\u013ca apst\u0101k\u013cos.<\/p>\n\n <h3>Sign\u0101lu kondicion\u0113\u0161ana un datu ieg\u016b\u0161ana<\/h3>\n\n <p>Sign\u0101la kondicion\u0113\u0161anas elektronika nodro\u0161ina sensora ierosin\u0101\u0161anu, pastiprin\u0101\u0161anu un filtr\u0113\u0161anu, kas nepiecie\u0161ama prec\u012bziem vibr\u0101cijas m\u0113r\u012bjumiem. Past\u0101v\u012bgas str\u0101vas ierosin\u0101\u0161anas sh\u0113mas darbina pjezoelektriskos akselerometrus, vienlaikus saglab\u0101jot augstu ieejas pretest\u012bbu, lai saglab\u0101tu sensora jut\u012bbu.<\/p>\n\n <p>Pretaliaz\u0113\u0161anas filtri nov\u0113r\u0161 frekven\u010du loc\u012b\u0161an\u0101s artefaktus analogciparu p\u0101rveido\u0161anas laik\u0101, v\u0101jinot sign\u0101la komponentes virs Nyquist frekvences. \u0160iem filtriem ir j\u0101nodro\u0161ina atbilsto\u0161a stopjoslas sl\u0101p\u0113\u0161ana, vienlaikus saglab\u0101jot plakanu caurlaides joslas reakciju, lai saglab\u0101tu sign\u0101la precizit\u0101ti.<\/p>\n\n <p>Analogciparu p\u0101rveido\u0161anas iz\u0161\u0137irtsp\u0113ja nosaka m\u0113r\u012bjumu dinamisko diapazonu un precizit\u0101ti. 24 bitu p\u0101rveido\u0161ana nodro\u0161ina 144 dB teor\u0113tisko dinamisko diapazonu, \u013caujot vien\u0101 m\u0113r\u012bjum\u0101 izm\u0113r\u012bt gan zemas amplit\u016bdas k\u013c\u016bdu sign\u0101lus, gan augstas amplit\u016bdas darb\u012bbas vibr\u0101cijas.<\/p>\n\n <p>Paraugu \u0146em\u0161anas frekvences izv\u0113le atbilst Nyquist krit\u0113rijam, kas pieprasa, lai paraugu \u0146em\u0161anas frekvence b\u016btu vismaz divreiz liel\u0101ka par augst\u0101ko interes\u0113jo\u0161o frekvenci. Praktiskaj\u0101 \u012bsteno\u0161an\u0101 tiek izmantotas p\u0101rparaugu \u0146em\u0161anas attiec\u012bbas no 2,5:1 l\u012bdz 4:1, lai piel\u0101gotos anti-aliasing filtra p\u0101rejas josl\u0101m un nodro\u0161in\u0101tu anal\u012bzes elast\u012bbu.<\/p>\n\n <h3>M\u0113r\u012b\u0161anas punkta izv\u0113le un orient\u0101cija<\/h3>\n\n <p>Efekt\u012bvai vibr\u0101cijas uzraudz\u012bbai nepiecie\u0161ama sistem\u0101tiska m\u0113r\u012b\u0161anas vietu izv\u0113le, kas nodro\u0161ina maksim\u0101lu jut\u012bbu pret boj\u0101jumu apst\u0101k\u013ciem, vienlaikus samazinot trauc\u0113jumus no \u0101r\u0113jiem vibr\u0101cijas avotiem. M\u0113r\u012b\u0161anas punktiem j\u0101atrodas p\u0113c iesp\u0113jas tuv\u0101k gult\u0146u balstiem un citiem kritiskiem slodzes ce\u013ciem.<\/p>\n\n <p>Gult\u0146u korpusu m\u0113r\u012bjumi sniedz tie\u0161u inform\u0101ciju par gult\u0146u st\u0101vokli un iek\u0161\u0113jo dinamiku. Gult\u0146u korpusu radi\u0101lie m\u0113r\u012bjumi visefekt\u012bv\u0101k atkl\u0101j nel\u012bdzsvarot\u012bbu, nob\u012bdi un gult\u0146u defektus, savuk\u0101rt aksi\u0101lie m\u0113r\u012bjumi atkl\u0101j vilces slodzes un savienojuma probl\u0113mas.<\/p>\n\n <p>Motora korpusa m\u0113r\u012bjumi uztver elektromagn\u0113tisko vibr\u0101ciju un kop\u0113jo motora st\u0101vokli, ta\u010du var b\u016bt maz\u0101k jut\u012bgi pret gult\u0146u defektiem vibr\u0101cijas v\u0101jin\u0101\u0161an\u0101s d\u0113\u013c caur motora konstrukciju. \u0160ie m\u0113r\u012bjumi papildina gult\u0146u korpusa m\u0113r\u012bjumus visaptvero\u0161am motora nov\u0113rt\u0113jumam.<\/p>\n\n <p>P\u0101rnesumu k\u0101rbas m\u0113r\u012bjumi nosaka zobratu re\u017e\u0123a vibr\u0101ciju un iek\u0161\u0113jo zobratu dinamiku, ta\u010du to interpret\u0101cija ir r\u016bp\u012bga sare\u017e\u0123\u012bto vibr\u0101cijas p\u0101rraides ce\u013cu un vair\u0101ku ierosmes avotu d\u0113\u013c. M\u0113r\u012bjumu vietas zobratu re\u017e\u0123a centra l\u012bniju tuvum\u0101 nodro\u0161ina maksim\u0101lu jut\u012bbu pret ar re\u017e\u0123i saist\u012bt\u0101m probl\u0113m\u0101m.<\/p>\n\n <div class=\"infographic\">\n <h4>Optim\u0101las WMB komponentu m\u0113r\u012b\u0161anas vietas<\/h4>\n <table>\n <tr>\n <th>Sast\u0101vda\u013ca<\/th>\n <th>M\u0113r\u012b\u0161anas vieta<\/th>\n <th>V\u0113lamais virziens<\/th>\n <th>Prim\u0101r\u0101 inform\u0101cija<\/th>\n <\/tr>\n <tr>\n <td>Motora piedzi\u0146as gala gultnis<\/td>\n <td>Gult\u0146a korpuss<\/td>\n <td>Radi\u0101ls (horizont\u0101ls)<\/td>\n <td>Gult\u0146u defekti, nel\u012bdzsvarot\u012bba<\/td>\n <\/tr>\n <tr>\n <td>Motora bezpiedzi\u0146as gals<\/td>\n <td>Gult\u0146a korpuss<\/td>\n <td>Radi\u0101ls (vertik\u0101ls)<\/td>\n <td>Gult\u0146u st\u0101voklis, va\u013c\u012bgums<\/td>\n <\/tr>\n <tr>\n <td>Zobratu ieejas gultnis<\/td>\n <td>\u0100trumk\u0101rba<\/td>\n <td>Radi\u0101ls<\/td>\n <td>Ievades v\u0101rpstas st\u0101voklis<\/td>\n <\/tr>\n <tr>\n <td>Zobrata izejas gultnis<\/td>\n <td>Ass k\u0101rba<\/td>\n <td>Radi\u0101ls<\/td>\n <td>Rite\u0146u p\u0101ra gult\u0146u st\u0101voklis<\/td>\n <\/tr>\n <tr>\n <td>Sakabe<\/td>\n <td>Motora r\u0101mis<\/td>\n <td>Aksi\u0101ls<\/td>\n <td>Izl\u012bdzin\u0101\u0161ana, savienojuma nodilums<\/td>\n <\/tr>\n <\/table>\n <\/div>\n\n <h3>Darb\u012bbas re\u017e\u012bma izv\u0113le diagnostikas test\u0113\u0161anai<\/h3>\n\n <p>Diagnostikas test\u0113\u0161anas efektivit\u0101te ir \u013coti atkar\u012bga no atbilsto\u0161u darb\u012bbas apst\u0101k\u013cu izv\u0113les, kas nodro\u0161ina optim\u0101lu ar defektiem saist\u012btas vibr\u0101cijas ierosin\u0101\u0161anu, vienlaikus saglab\u0101jot dro\u0161\u012bbu un iek\u0101rtu aizsardz\u012bbu. Da\u017e\u0101di darb\u012bbas re\u017e\u012bmi atkl\u0101j da\u017e\u0101dus komponentu st\u0101vok\u013ca un defektu att\u012bst\u012bbas aspektus.<\/p>\n\n <p>Tuk\u0161gaitas test\u0113\u0161ana nov\u0113r\u0161 no slodzes atkar\u012bgus vibr\u0101cijas avotus un nodro\u0161ina b\u0101zes m\u0113r\u012bjumus sal\u012bdzin\u0101\u0161anai ar slodzes apst\u0101k\u013ciem. \u0160is re\u017e\u012bms visspilgt\u0101k atkl\u0101j nel\u012bdzsvarot\u012bbu, nob\u012bdi un elektromagn\u0113tisk\u0101s probl\u0113mas, vienlaikus samazinot zobratu sazobes vibr\u0101ciju un gult\u0146u slodzes ietekmi.<\/p>\n\n <p>Slodzes test\u0113\u0161ana da\u017e\u0101dos jaudas l\u012bme\u0146os atkl\u0101j no slodzes atkar\u012bgas par\u0101d\u012bbas, tostarp zobratu sazobes dinamiku, gult\u0146u slodzes sadal\u012bjuma efektus un elektromagn\u0113tisk\u0101s slodzes ietekmi. Progres\u012bv\u0101 slodze pal\u012bdz at\u0161\u0137irt no slodzes neatkar\u012bgus un atkar\u012bgus vibr\u0101cijas avotus.<\/p>\n\n <p>Virziena p\u0101rbaude ar rot\u0101ciju uz priek\u0161u un atpaka\u013c sniedz papildu diagnostikas inform\u0101ciju par asimetrisk\u0101m probl\u0113m\u0101m, piem\u0113ram, zobratu zobu nodiluma mode\u013ciem, gult\u0146u priek\u0161slodzes izmai\u0146\u0101m un savienojuma nodiluma raksturlielumiem. Da\u017eiem defektiem ir virziena jut\u012bba, kas pal\u012bdz defektu lokaliz\u0101cij\u0101.<\/p>\n\n <p>Frekvences slauc\u012b\u0161anas test\u0113\u0161ana iesl\u0113g\u0161anas un izsl\u0113g\u0161anas laik\u0101 fiks\u0113 vibr\u0101cijas uzved\u012bbu vis\u0101 darb\u012bbas \u0101truma diapazon\u0101, atkl\u0101jot rezonanses apst\u0101k\u013cus un no \u0101truma atkar\u012bgas par\u0101d\u012bbas. \u0160ie m\u0113r\u012bjumi pal\u012bdz noteikt kritiskos \u0101trumus un dabisk\u0101s frekvences atra\u0161an\u0101s vietas.<\/p>\n\n <h3>E\u013c\u013co\u0161anas ietekme uz diagnostikas parakstiem<\/h3>\n\n <p>E\u013c\u013co\u0161anas st\u0101voklis b\u016btiski ietekm\u0113 vibr\u0101cijas paz\u012bmes un diagnostikas interpret\u0101ciju, jo \u012bpa\u0161i gult\u0146u uzraudz\u012bbas lietojumprogramm\u0101s. Svaiga sm\u0113rviela nodro\u0161ina efekt\u012bvu sl\u0101p\u0113\u0161anu, kas samazina vibr\u0101cijas p\u0101rnesi, savuk\u0101rt pies\u0101r\u0146ota vai degrad\u0113ta sm\u0113rviela var pastiprin\u0101t defektu paz\u012bmes.<\/p>\n\n <p>Sm\u0113rvielas viskozit\u0101tes izmai\u0146as atkar\u012bb\u0101 no temperat\u016bras ietekm\u0113 gult\u0146u dinamiku un vibr\u0101cijas raksturlielumus. Auksta sm\u0113rviela palielina viskozo sl\u0101p\u0113\u0161anu un var mask\u0113t s\u0101kotn\u0113jus gult\u0146u defektus, savuk\u0101rt p\u0101rkars\u0113ta sm\u0113rviela samazina sl\u0101p\u0113\u0161anu un aizsardz\u012bbu.<\/p>\n\n <p>Pies\u0101r\u0146ota sm\u0113rviela, kas satur nodiluma da\u013ci\u0146as, \u016bdeni vai sve\u0161\u0137erme\u0146us, rada papildu vibr\u0101cijas avotus abraz\u012bv\u0101 kontakta un pl\u016bsmas turbulences d\u0113\u013c. \u0160\u012bs sekas var nom\u0101kt patiesos defektu sign\u0101lus un sare\u017e\u0123\u012bt diagnostisko interpret\u0101ciju.<\/p>\n\n <p>E\u013c\u013co\u0161anas sist\u0113mas probl\u0113mas, tostarp nepietiekama pl\u016bsma, spiediena sv\u0101rst\u012bbas un sadales nevienm\u0113r\u012bba, rada laika gait\u0101 main\u012bgus gult\u0146u slodzes apst\u0101k\u013cus, kas ietekm\u0113 vibr\u0101cijas mode\u013cus. Korel\u0101cija starp e\u013c\u013co\u0161anas sist\u0113mas darb\u012bbu un vibr\u0101cijas raksturlielumiem sniedz v\u0113rt\u012bgu diagnostikas inform\u0101ciju.<\/p>\n\n <h3>M\u0113r\u012bjumu k\u013c\u016bdu atpaz\u012b\u0161ana un kvalit\u0101tes kontrole<\/h3>\n\n <p>Uzticamai diagnostikai ir nepiecie\u0161ama sistem\u0101tiska m\u0113r\u012bjumu k\u013c\u016bdu identific\u0113\u0161ana un nov\u0113r\u0161ana, kas var novest pie nepareiziem secin\u0101jumiem un nevajadz\u012bg\u0101m apkopes darb\u012bb\u0101m. Bie\u017e\u0101k sastopamie k\u013c\u016bdu avoti ir sensoru stiprin\u0101juma probl\u0113mas, elektriskie trauc\u0113jumi un nepiem\u0113roti m\u0113r\u012bjumu parametri.<\/p>\n\n <p>Sensora stiprin\u0101juma p\u0101rbaudei tiek izmantotas vienk\u0101r\u0161as metodes, tostarp manu\u0101li ierosmes testi, sal\u012bdzino\u0161ie m\u0113r\u012bjumi blakus eso\u0161aj\u0101s viet\u0101s un frekvences raksturl\u012bknes p\u0101rbaude, izmantojot zin\u0101mus ierosmes avotus. Va\u013c\u012bga mont\u0101\u017ea parasti samazina augstfrekvences jut\u012bbu un var rad\u012bt ne\u012bstas rezonanses.<\/p>\n\n <p>Elektrisko trauc\u0113jumu noteik\u0161ana ietver spektr\u0101lo komponentu identific\u0113\u0161anu l\u012bnijas frekvenc\u0113 (50\/60 Hz) un to harmoniku identific\u0113\u0161anu, sal\u012bdzino\u0161os m\u0113r\u012bjumus ar atvienotu str\u0101vas padevi un vibr\u0101cijas un elektrisko sign\u0101lu koherences nov\u0113rt\u0113\u0161anu. Pareiza zem\u0113\u0161ana un ekran\u0113\u0161ana nov\u0113r\u0161 liel\u0101ko da\u013cu trauc\u0113jumu avotu.<\/p>\n\n <p>Parametru verifik\u0101cija ietver m\u0113rvien\u012bbu, frekven\u010du diapazona iestat\u012bjumu un anal\u012bzes parametru apstiprin\u0101\u0161anu. Nepareiza parametru izv\u0113le var izrais\u012bt m\u0113r\u012bjumu artefaktus, kas atdarina \u012bstas k\u013c\u016bdu paz\u012bmes.<\/p>\n\n <div class=\"example\">\n <strong>Piem\u0113rs:<\/strong> M\u0113r\u012bjums, kas uzr\u0101da izteiktu 50 Hz vibr\u0101ciju, var liecin\u0101t par l\u012bnijas frekvences trauc\u0113jumiem, motora elektromagn\u0113tiskaj\u0101m probl\u0113m\u0101m vai 2950 Hz satura krop\u013co\u0161anos 3000 Hz paraugu \u0146em\u0161anas sist\u0113m\u0101. Verifik\u0101cijai nepiecie\u0161ams p\u0101rbaud\u012bt harmonikas, p\u0101rbaud\u012bt elektriskos savienojumus un apstiprin\u0101t paraugu \u0146em\u0161anas parametrus.\n <\/div>\n\n <h3>Integr\u0113to diagnostikas sist\u0113mu arhitekt\u016bra<\/h3>\n\n <p>M\u016bsdienu lokomot\u012bvju apkopes iek\u0101rt\u0101s tiek izmantotas integr\u0113tas diagnostikas sist\u0113mas, kas apvieno vair\u0101kas st\u0101vok\u013ca uzraudz\u012bbas metodes ar centraliz\u0113t\u0101m datu p\u0101rvald\u012bbas un anal\u012bzes iesp\u0113j\u0101m. \u0160\u012bs sist\u0113mas nodro\u0161ina visaptvero\u0161u iek\u0101rtu nov\u0113rt\u0113jumu, vienlaikus samazinot manu\u0101las datu v\u0101k\u0161anas un anal\u012bzes pras\u012bbas.<\/p>\n\n <p>Izplat\u012btie sensoru t\u012bkli \u013cauj vienlaikus uzraudz\u012bt vair\u0101kus komponentus vis\u0101 lokomot\u012bves sast\u0101v\u0101. Bezvadu sensoru mezgli samazina uzst\u0101d\u012b\u0161anas sare\u017e\u0123\u012bt\u012bbu un apkopes pras\u012bbas, vienlaikus nodro\u0161inot datu p\u0101rraidi re\u0101llaik\u0101 uz centr\u0101laj\u0101m apstr\u0101des sist\u0113m\u0101m.<\/p>\n\n <p>Automatiz\u0113ti anal\u012bzes algoritmi apstr\u0101d\u0101 ien\u0101ko\u0161\u0101s datu pl\u016bsmas, lai identific\u0113tu att\u012bsto\u0161\u0101s probl\u0113mas un \u0123ener\u0113tu apkopes ieteikumus. Ma\u0161\u012bnm\u0101c\u012b\u0161an\u0101s metodes piel\u0101go algoritma parametrus, pamatojoties uz v\u0113sturiskiem datiem un apkopes rezult\u0101tiem, lai laika gait\u0101 uzlabotu diagnostikas precizit\u0101ti.<\/p>\n\n <p>Datu b\u0101zes integr\u0101cija apvieno vibr\u0101cijas anal\u012bzes rezult\u0101tus ar apkopes v\u0113sturi, ekspluat\u0101cijas apst\u0101k\u013ciem un komponentu specifik\u0101cij\u0101m, lai sniegtu visaptvero\u0161u iek\u0101rtu nov\u0113rt\u0113jumu un apkopes pl\u0101no\u0161anas atbalstu.<\/p>\n\n <h2>2.3.1.6. Vibr\u0101cijas m\u0113r\u012b\u0161anas tehnolo\u0123ijas praktiska ievie\u0161ana<\/h2>\n\n <h3>Diagnostikas sist\u0113mas iepaz\u012b\u0161ana un iestat\u012b\u0161ana<\/h3>\n\n <p>Efekt\u012bva vibr\u0101cijas diagnostika s\u0101kas ar r\u016bp\u012bgu diagnostikas iek\u0101rtu iesp\u0113ju un ierobe\u017eojumu izpratni. M\u016bsdienu p\u0101rn\u0113s\u0101jamie analizatori integr\u0113 vair\u0101kas m\u0113r\u012b\u0161anas un anal\u012bzes funkcijas, t\u0101p\u0113c ir nepiecie\u0161ama sistem\u0101tiska apm\u0101c\u012bba, lai efekt\u012bvi izmantotu visas pieejam\u0101s funkcijas.<\/p>\n\n <p>Sist\u0113mas konfigur\u0101cija ietver lokomot\u012bvju lietojumiem atbilsto\u0161u m\u0113r\u012bjumu parametru, tostarp frekven\u010du diapazonu, iz\u0161\u0137irtsp\u0113jas iestat\u012bjumu un anal\u012bzes veidu, noteik\u0161anu. Noklus\u0113juma konfigur\u0101cijas reti nodro\u0161ina optim\u0101lu veiktsp\u0113ju konkr\u0113t\u0101m lietojumprogramm\u0101m, t\u0101p\u0113c ir nepiecie\u0161ama piel\u0101go\u0161ana, pamatojoties uz komponentu \u012bpa\u0161\u012bb\u0101m un diagnostikas m\u0113r\u0137iem.<\/p>\n\n <p>Kalibr\u0113\u0161anas verifik\u0101cija nodro\u0161ina m\u0113r\u012bjumu precizit\u0101ti un izsekojam\u012bbu atbilsto\u0161i valsts standartiem. \u0160is process ietver prec\u012bz\u0101s kalibr\u0113\u0161anas avotu pievieno\u0161anu un sist\u0113mas reakcijas p\u0101rbaudi vis\u0101 frekven\u010du un amplit\u016bdas diapazon\u0101, ko izmanto diagnostikas m\u0113r\u012bjumos.<\/p>\n\n <p>Datu b\u0101zes iestat\u012b\u0161ana nosaka iek\u0101rtu hierarhijas, m\u0113r\u012bjumu punktu defin\u012bcijas un anal\u012bzes parametrus katram uzraug\u0101majam komponentam. Pareiza datu b\u0101zes organiz\u0101cija atvieglo efekt\u012bvu datu v\u0101k\u0161anu un \u013cauj veikt autom\u0101tisku sal\u012bdzin\u0101\u0161anu ar v\u0113sturiskaj\u0101m tendenc\u0113m un trauksmes robe\u017ev\u0113rt\u012bb\u0101m.<\/p>\n\n <div class=\"note\">\n <strong>Iestat\u012b\u0161anas piez\u012bme:<\/strong> Mar\u0161ruta datu v\u0101k\u0161anas sist\u0113m\u0101m nepiecie\u0161ama r\u016bp\u012bga m\u0113r\u012bjumu sec\u012bbu organiz\u0113\u0161ana, lai samazin\u0101tu p\u0101rvieto\u0161an\u0101s laiku, vienlaikus nodro\u0161inot atbilsto\u0161us iesil\u0161anas periodus katrai komponentei. Lo\u0123iska mar\u0161rut\u0113\u0161ana samazina kop\u0113jo m\u0113r\u012bjumu laiku un uzlabo datu kvalit\u0101ti.\n <\/div>\n\n <h3>Mar\u0161ruta izstr\u0101de un datub\u0101zes konfigur\u0113\u0161ana<\/h3>\n\n <p>Mar\u0161ruta izstr\u0101de ietver sistem\u0101tisku m\u0113r\u012bjumu punktu un sec\u012bbu identific\u0113\u0161anu, kas nodro\u0161ina visaptvero\u0161u kritisko komponentu p\u0101rkl\u0101jumu, vienlaikus optimiz\u0113jot datu v\u0101k\u0161anas efektivit\u0101ti. Efekt\u012bvi mar\u0161ruti l\u012bdzsvaro diagnostikas piln\u012bgumu ar praktiskiem laika ierobe\u017eojumiem.<\/p>\n\n <p>M\u0113r\u012bjumu punktu izv\u0113le nosaka priorit\u0101tes atra\u0161an\u0101s viet\u0101m, nodro\u0161inot maksim\u0101lu jut\u012bbu pret iesp\u0113jamiem boj\u0101jumu apst\u0101k\u013ciem, vienlaikus garant\u0113jot atk\u0101rtojamu sensoru izvietojumu un pie\u0146emamu dro\u0161u piek\u013cuvi. Katram m\u0113r\u012bjumu punktam ir nepiecie\u0161ama dokument\u0101cija par prec\u012bzu atra\u0161an\u0101s vietu, sensoru orient\u0101ciju un m\u0113r\u012bjumu parametriem.<\/p>\n\n <p>Komponentu identifik\u0101cijas sist\u0113mas nodro\u0161ina automatiz\u0113tu datu organiz\u0113\u0161anu un anal\u012bzi, sasaistot m\u0113r\u012bjumu punktus ar konkr\u0113t\u0101m apr\u012bkojuma vien\u012bb\u0101m. Hierarhiska organiz\u0101cija atvieglo anal\u012bzi un l\u012bdz\u012bgu komponentu sal\u012bdzin\u0101\u0161anu vis\u0101 lokomot\u012bvju park\u0101.<\/p>\n\n <p>Anal\u012bzes parametru defin\u012bcija nosaka frekven\u010du diapazonus, iz\u0161\u0137irtsp\u0113jas iestat\u012bjumus un apstr\u0101des opcijas, kas atbilst katram m\u0113r\u012bjumu punktam. Gult\u0146u atra\u0161an\u0101s vietas prasa augstas frekvences iesp\u0113jas ar aploksnes anal\u012bzes iesp\u0113j\u0101m, savuk\u0101rt l\u012bdzsvara un izl\u012bdzin\u0101\u0161anas m\u0113r\u012bjumi uzsver zemas frekvences veiktsp\u0113ju.<\/p>\n\n <div class=\"example\">\n <strong>Mar\u0161ruta organiz\u0101cijas piem\u0113rs:<\/strong><br>\n Lokomot\u012bves vien\u012bba \u2192 Vagons A \u2192 1. ass \u2192 Motors \u2192 Piedzi\u0146as puses gultnis (horizont\u0101ls)<br>\n Parametri: 0\u201310 kHz, 6400 l\u012bnijas, aploksne 500\u20138000 Hz<br>\n Paredz\u0113t\u0101s frekvences: 1\u00d7 RPM, BPFO, BPFI, 2\u00d7 l\u012bnijas frekvence\n <\/div>\n\n <h3>Vizu\u0101l\u0101s p\u0101rbaudes un sagatavo\u0161anas proced\u016bras<\/h3>\n\n <p>Vizu\u0101l\u0101 p\u0101rbaude sniedz b\u016btisku inform\u0101ciju par komponentu st\u0101vokli un iesp\u0113jam\u0101m m\u0113r\u012bjumu komplik\u0101cij\u0101m pirms vibr\u0101cijas m\u0113r\u012bjumu veik\u0161anas. \u0160\u012b p\u0101rbaude atkl\u0101j ac\u012bmredzamas probl\u0113mas, kur\u0101m, iesp\u0113jams, nav nepiecie\u0161ama detaliz\u0113ta vibr\u0101cijas anal\u012bze, vienlaikus identific\u0113jot faktorus, kas var\u0113tu ietekm\u0113t m\u0113r\u012bjumu kvalit\u0101ti.<\/p>\n\n <p>E\u013c\u013co\u0161anas sist\u0113mas p\u0101rbaude ietver sm\u0113rvielas l\u012bme\u0146a, nopl\u016bdes paz\u012bmju un pies\u0101r\u0146ojuma indikatoru p\u0101rbaudi. Nepietiekama e\u013c\u013co\u0161ana ietekm\u0113 vibr\u0101cijas raksturlielumus un var liecin\u0101t par nenov\u0113r\u0161amiem boj\u0101jumiem, kuriem nepiecie\u0161ama t\u016bl\u012bt\u0113ja uzman\u012bba neatkar\u012bgi no vibr\u0101cijas l\u012bme\u0146a.<\/p>\n\n <p>Stiprin\u0101juma aparat\u016bras p\u0101rbaude identific\u0113 va\u013c\u012bgas skr\u016bves, boj\u0101tus komponentus un struktur\u0101las probl\u0113mas, kas var\u0113tu ietekm\u0113t vibr\u0101cijas p\u0101rnesi vai sensoru stiprin\u0101jumu. \u0160\u012bs probl\u0113mas var b\u016bt j\u0101nov\u0113r\u0161, pirms k\u013c\u016bst iesp\u0113jams veikt ticamus m\u0113r\u012bjumus.<\/p>\n\n <p>Virsmas sagatavo\u0161ana sensoru mont\u0101\u017eai ietver m\u0113r\u012b\u0161anas virsmu t\u012br\u012b\u0161anu, kr\u0101sas vai korozijas no\u0146em\u0161anu un atbilsto\u0161as v\u012bt\u0146otas sa\u0137eres nodro\u0161in\u0101\u0161anu past\u0101v\u012bgajiem mont\u0101\u017eas tap\u0101m. Pareiza virsmas sagatavo\u0161ana tie\u0161i ietekm\u0113 m\u0113r\u012bjumu kvalit\u0101ti un atk\u0101rtojam\u012bbu.<\/p>\n\n <p>Vides apdraud\u0113jumu nov\u0113rt\u0113jum\u0101 tiek identific\u0113tas dro\u0161\u012bbas probl\u0113mas, tostarp karstas virsmas, rot\u0113jo\u0161as iek\u0101rtas, elektrisk\u0101s str\u0101vas apdraud\u0113jumi un nestabilas konstrukcijas. Dro\u0161\u012bbas apsv\u0113rumu d\u0113\u013c m\u0113r\u012bjumu person\u0101lam var b\u016bt nepiecie\u0161amas \u012bpa\u0161as proced\u016bras vai aizsargapr\u012bkojums.<\/p>\n\n <h3>Komponentu darb\u012bbas re\u017e\u012bma iestat\u012b\u0161ana<\/h3>\n\n <p>Diagnostikas m\u0113r\u012bjumiem ir j\u0101izveido konsekventi darb\u012bbas apst\u0101k\u013ci, kas nodro\u0161ina atk\u0101rtojamus rezult\u0101tus un optim\u0101lu jut\u012bbu pret k\u013c\u016bm\u0113m. Darb\u012bbas re\u017e\u012bma izv\u0113le ir atkar\u012bga no komponentu konstrukcijas, pieejamajiem instrumentiem un dro\u0161\u012bbas ierobe\u017eojumiem.<\/p>\n\n <p>Darb\u012bba bez slodzes nodro\u0161ina b\u0101zes m\u0113r\u012bjumus ar minim\u0101lu \u0101r\u0113jo ietekmi no meh\u0101nisk\u0101s slodzes vai elektrisk\u0101s slodzes sv\u0101rst\u012bb\u0101m. \u0160is re\u017e\u012bms visspilgt\u0101k atkl\u0101j fundament\u0101las probl\u0113mas, tostarp nel\u012bdzsvarot\u012bbu, nepareizu izl\u012bdzin\u0101\u0161anu un elektromagn\u0113tiskos defektus.<\/p>\n\n <p>Noslogota darb\u012bba noteiktos jaudas l\u012bme\u0146os atkl\u0101j no slodzes atkar\u012bgas par\u0101d\u012bbas, kas var nepar\u0101d\u012bties tuk\u0161gaitas test\u0113\u0161anas laik\u0101. Progres\u012bv\u0101 slodze pal\u012bdz identific\u0113t no slodzes atkar\u012bgas probl\u0113mas un noteikt nopietn\u012bbas attiec\u012bbas tenden\u010du noteik\u0161anas nol\u016bkos.<\/p>\n\n <p>\u0100truma kontroles sist\u0113mas m\u0113r\u012bjumu ieg\u016b\u0161anas laik\u0101 uztur nemain\u012bgu rot\u0101cijas \u0101trumu, lai nodro\u0161in\u0101tu frekvences stabilit\u0101ti un prec\u012bzu spektr\u0101lo anal\u012bzi. \u0100truma sv\u0101rst\u012bbas m\u0113r\u012bjumu laik\u0101 rada spektr\u0101lo izsm\u0113r\u0113\u0161anos, kas samazina anal\u012bzes iz\u0161\u0137irtsp\u0113ju un diagnostikas precizit\u0101ti.<\/p>\n\n <div class=\"formula\">\n <strong>\u0100truma stabilit\u0101tes pras\u012bba:<\/strong><br>\n \u0394f\/f < 1\/(N \u00d7 T)<br>\n Kur: \u0394f = frekvences vari\u0101cija, f = darba frekvence, N = spektr\u0101l\u0101s l\u012bnijas, T = ieg\u016b\u0161anas laiks\n <\/div>\n\n <p>Termisk\u0101 l\u012bdzsvara sasnieg\u0161ana nodro\u0161ina, ka m\u0113r\u012bjumi atspogu\u013co norm\u0101lus darb\u012bbas apst\u0101k\u013cus, nevis \u012bslaic\u012bgas iedarbin\u0101\u0161anas efektus. Liel\u0101kajai da\u013cai rot\u0113jo\u0161u ma\u0161\u012bnu ir nepiecie\u0161amas 15\u201330 min\u016btes darb\u012bbas, lai sasniegtu termisko stabilit\u0101ti un reprezentat\u012bvus vibr\u0101cijas l\u012bme\u0146us.<\/p>\n\n <h3>Rot\u0101cijas \u0101truma m\u0113r\u012b\u0161ana un verifik\u0101cija<\/h3>\n\n <p>Prec\u012bzs rot\u0101cijas \u0101truma m\u0113r\u012bjums sniedz b\u016btisku atsauces inform\u0101ciju spektr\u0101lajai anal\u012bzei un k\u013c\u016bmju frekvences apr\u0113\u0137iniem. \u0100truma m\u0113r\u012bjumu k\u013c\u016bdas tie\u0161i ietekm\u0113 diagnostikas precizit\u0101ti un var izrais\u012bt nepareizu k\u013c\u016bmju identific\u0113\u0161anu.<\/p>\n\n <p>Optiskie tahometri nodro\u0161ina bezkontakta \u0101truma m\u0113r\u012b\u0161anu, izmantojot atstarojo\u0161u lenti vai dabiskas virsmas elementus. \u0160ie instrumenti pied\u0101v\u0101 augstu precizit\u0101ti un dro\u0161\u012bbas priek\u0161roc\u012bbas, ta\u010du to uzticamai darb\u012bbai ir nepiecie\u0161ama tie\u0161a redzam\u012bba un atbilsto\u0161s virsmas kontrasts.<\/p>\n\n <p>Magn\u0113tiskie sensori nosaka feromagn\u0113tisku elementu, piem\u0113ram, zobratu zobu vai v\u0101rpstas rievu, p\u0101reju. \u0160ie sensori nodro\u0161ina izcilu precizit\u0101ti un iztur\u012bbu pret pies\u0101r\u0146ojumu, ta\u010du to lieto\u0161anai ir nepiecie\u0161ams uzst\u0101d\u012bt sensorus un m\u0113r\u0137us uz rot\u0113jo\u0161\u0101m deta\u013c\u0101m.<\/p>\n\n <p>Stroboskopisk\u0101 \u0101truma m\u0113r\u012b\u0161ana izmanto sinhroniz\u0113tas mirgojo\u0161as gaismas, lai rad\u012btu \u0161\u0137ietamus rot\u0113jo\u0161u komponentu nekust\u012bgus att\u0113lus. \u0160\u012b metode nodro\u0161ina rot\u0101cijas \u0101truma vizu\u0101lu p\u0101rbaudi un \u013cauj nov\u0113rot dinamisko uzved\u012bbu darb\u012bbas laik\u0101.<\/p>\n\n <p>\u0100truma verifik\u0101cija, izmantojot spektr\u0101lo anal\u012bzi, ietver iev\u0113rojamu spektr\u0101lo maksimumu identific\u0113\u0161anu, kas atbilst zin\u0101m\u0101m rot\u0101cijas frekvenc\u0113m, un sal\u012bdzin\u0101\u0161anu ar tie\u0161iem \u0101truma m\u0113r\u012bjumiem. \u0160\u012b pieeja nodro\u0161ina m\u0113r\u012bjumu precizit\u0101tes apstiprin\u0101jumu un pal\u012bdz identific\u0113t ar \u0101trumu saist\u012btas spektr\u0101l\u0101s komponentes.<\/p>\n\n <h3>Daudzpunktu vibr\u0101cijas datu v\u0101k\u0161ana<\/h3>\n\n <p>Sistem\u0101tiska vibr\u0101cijas datu v\u0101k\u0161ana notiek saska\u0146\u0101 ar iepriek\u0161 noteiktiem mar\u0161rutiem un m\u0113r\u012bjumu sec\u012bb\u0101m, lai nodro\u0161in\u0101tu visaptvero\u0161u aptv\u0113rumu, vienlaikus saglab\u0101jot m\u0113r\u012bjumu kvalit\u0101ti un efektivit\u0101ti. Datu v\u0101k\u0161anas proced\u016br\u0101m j\u0101\u0146em v\u0113r\u0101 da\u017e\u0101di piek\u013cuves apst\u0101k\u013ci un iek\u0101rtu konfigur\u0101cijas.<\/p>\n\n <p>Sensora novietojuma atk\u0101rtojam\u012bba nodro\u0161ina m\u0113r\u012bjumu konsekvenci starp sec\u012bg\u0101m datu v\u0101k\u0161anas sesij\u0101m. Past\u0101v\u012bgie stiprin\u0101juma stie\u0146i nodro\u0161ina optim\u0101lu atk\u0101rtojam\u012bbu, ta\u010du tie var neb\u016bt praktiski vis\u0101s m\u0113r\u012bjumu viet\u0101s. Pagaidu stiprin\u0101juma metod\u0113m nepiecie\u0161ama r\u016bp\u012bga dokument\u0101cija un pozicion\u0113\u0161anas pal\u012bgl\u012bdzek\u013ci.<\/p>\n\n <p>M\u0113r\u012bjumu laika apsv\u0113rumi ietver atbilsto\u0161u nostabiliz\u0113\u0161an\u0101s laiku p\u0113c sensora uzst\u0101d\u012b\u0161anas, pietiekamu m\u0113r\u012bjumu ilgumu statistisk\u0101s precizit\u0101tes nodro\u0161in\u0101\u0161anai un koordin\u0101ciju ar iek\u0101rtu darb\u012bbas grafikiem. Steidzami m\u0113r\u012bjumi bie\u017ei vien rada neuzticamus rezult\u0101tus, kas sare\u017e\u0123\u012b diagnostisko interpret\u0101ciju.<\/p>\n\n <p>Vides apst\u0101k\u013cu dokument\u0101cij\u0101 ir iek\u013cauta apk\u0101rt\u0113j\u0101s vides temperat\u016bra, mitrums un akustiskie fona l\u012bme\u0146i, kas var ietekm\u0113t m\u0113r\u012bjumu kvalit\u0101ti vai interpret\u0101ciju. Ekstr\u0113mos apst\u0101k\u013cos var b\u016bt nepiecie\u0161ama m\u0113r\u012bjumu atlik\u0161ana vai parametru modifik\u0101cijas.<\/p>\n\n <p>Re\u0101llaika kvalit\u0101tes nov\u0113rt\u0113\u0161ana ietver sign\u0101la raksturlielumu uzraudz\u012bbu ieg\u016b\u0161anas laik\u0101, lai identific\u0113tu m\u0113r\u012bjumu probl\u0113mas pirms datu v\u0101k\u0161anas pabeig\u0161anas. M\u016bsdienu analizatori nodro\u0161ina spektr\u0101los att\u0113lojumus un sign\u0101la statistiku, kas \u013cauj nekav\u0113joties nov\u0113rt\u0113t kvalit\u0101ti.<\/p>\n\n <div class=\"warning\">\n <strong>Kvalit\u0101tes br\u012bdin\u0101jums:<\/strong> M\u0113r\u012bjumi ar maksimuma koeficientiem, kas p\u0101rsniedz 5,0, vai koherences funkcij\u0101m, kas ir zem\u0101kas par 0,8, nor\u0101da uz potenci\u0101l\u0101m m\u0113r\u012bjumu probl\u0113m\u0101m, kuras j\u0101izp\u0113ta pirms datu pie\u0146em\u0161anas diagnostiskajai anal\u012bzei.\n <\/div>\n\n <h3>Akustisk\u0101 uzraudz\u012bba un temperat\u016bras m\u0113r\u012b\u0161ana<\/h3>\n\n <p>Akustisk\u0101s emisijas monitorings papildina vibr\u0101cijas anal\u012bzi, nosakot augstfrekvences sprieguma vi\u013c\u0146us, ko rada plaisu izplat\u012b\u0161an\u0101s, berze un trieciena par\u0101d\u012bbas. \u0160ie m\u0113r\u012bjumi sniedz agr\u012bnu br\u012bdin\u0101jumu par att\u012bsto\u0161\u0101m probl\u0113m\u0101m, kas, iesp\u0113jams, v\u0113l nerada izm\u0113r\u0101mas vibr\u0101cijas izmai\u0146as.<\/p>\n\n <p>Ultraska\u0146as klaus\u012b\u0161an\u0101s ier\u012bces \u013cauj veikt gult\u0146u st\u0101vok\u013ca dzirdamu uzraudz\u012bbu, izmantojot frekven\u010du mai\u0146as metodes, kas p\u0101rveido ultraska\u0146as emisijas dzirdam\u0101s frekvenc\u0113s. Pieredz\u0113ju\u0161i tehni\u0137i var identific\u0113t rakstur\u012bg\u0101s ska\u0146as, kas saist\u012btas ar konkr\u0113tiem defektu veidiem.<\/p>\n\n <p>Temperat\u016bras m\u0113r\u012bjumi sniedz b\u016btisku inform\u0101ciju par komponentu termisko st\u0101vokli un pal\u012bdz apstiprin\u0101t vibr\u0101cijas anal\u012bzes rezult\u0101tus. Gult\u0146u temperat\u016bras uzraudz\u012bba atkl\u0101j e\u013c\u013co\u0161anas probl\u0113mas un slodzes apst\u0101k\u013cus, kas ietekm\u0113 vibr\u0101cijas raksturlielumus.<\/p>\n\n <p>Infrasarkan\u0101 termogr\u0101fija \u013cauj bezkontakta temperat\u016bras m\u0113r\u012bjumus un identific\u0113t termiskos mode\u013cus, kas nor\u0101da uz meh\u0101nisk\u0101m probl\u0113m\u0101m. Karstie punkti var nor\u0101d\u012bt uz berzes, nob\u012bdes vai e\u013c\u013co\u0161anas probl\u0113m\u0101m, kur\u0101m nepiecie\u0161ama t\u016bl\u012bt\u0113ja uzman\u012bba.<\/p>\n\n <p>Temperat\u016bras tenden\u010du anal\u012bze apvienojum\u0101 ar vibr\u0101cijas tenden\u010du anal\u012bzi sniedz visaptvero\u0161u komponentu st\u0101vok\u013ca un nodiluma \u0101truma nov\u0113rt\u0113jumu. Vienlaic\u012bga temperat\u016bras un vibr\u0101cijas paaugstin\u0101\u0161an\u0101s bie\u017ei nor\u0101da uz pa\u0101trin\u0101tiem nodiluma procesiem, kas prasa t\u016bl\u012bt\u0113ju apkopi.<\/p>\n\n <h3>Datu kvalit\u0101tes p\u0101rbaude un k\u013c\u016bdu noteik\u0161ana<\/h3>\n\n <p>M\u0113r\u012bjumu kvalit\u0101tes p\u0101rbaude ietver ieg\u016bto datu sistem\u0101tisku nov\u0113rt\u0113\u0161anu, lai identific\u0113tu potenci\u0101las k\u013c\u016bdas vai anom\u0101lijas, kas var\u0113tu novest pie nepareiziem diagnostiskiem secin\u0101jumiem. Kvalit\u0101tes kontroles proced\u016bras j\u0101piem\u0113ro t\u016bl\u012bt p\u0113c datu v\u0101k\u0161anas, kam\u0113r m\u0113r\u012bjumu apst\u0101k\u013ci saglab\u0101jas svaigi atmi\u0146\u0101.<\/p>\n\n <p>Spektr\u0101l\u0101s anal\u012bzes kvalit\u0101tes r\u0101d\u012bt\u0101ji ietver atbilsto\u0161us trok\u0161\u0146u l\u012bme\u0146us, ac\u012bmredzamu krop\u013co\u0161an\u0101s artefaktu neesam\u012bbu un sapr\u0101t\u012bgu frekven\u010du saturu attiec\u012bb\u0101 pret zin\u0101miem ierosmes avotiem. Spektr\u0101lajiem maksimumiem j\u0101atbilst paredzamaj\u0101m frekvenc\u0113m, pamatojoties uz rot\u0101cijas \u0101trumiem un komponentu \u0123eometriju.<\/p>\n\n <p>Laika vi\u013c\u0146u formas p\u0101rbaude atkl\u0101j sign\u0101la raksturlielumus, kas frekven\u010du apgabala anal\u012bz\u0113 var neb\u016bt redzami. Sign\u0101la nob\u012bdes, l\u012bdzstr\u0101vas nob\u012bdes un periodiskas anom\u0101lijas nor\u0101da uz m\u0113r\u012b\u0161anas sist\u0113mas probl\u0113m\u0101m, kas j\u0101labo pirms datu anal\u012bzes.<\/p>\n\n <p>Atk\u0101rtojam\u012bbas p\u0101rbaude ietver vair\u0101ku m\u0113r\u012bjumu veik\u0161anu identiskos apst\u0101k\u013cos, lai nov\u0113rt\u0113tu m\u0113r\u012bjumu konsekvenci. P\u0101rm\u0113r\u012bga main\u012bba nor\u0101da uz nestabiliem darb\u012bbas apst\u0101k\u013ciem vai m\u0113r\u012bjumu sist\u0113mas probl\u0113m\u0101m.<\/p>\n\n <p>V\u0113sturisko datu sal\u012bdzin\u0101jums sniedz kontekstu pa\u0161reiz\u0113jo m\u0113r\u012bjumu nov\u0113rt\u0113\u0161anai attiec\u012bb\u0101 pret iepriek\u0161\u0113jiem datiem no tiem pa\u0161iem m\u0113r\u012bjumu punktiem. P\u0113k\u0161\u0146as izmai\u0146as var liecin\u0101t par paties\u0101m iek\u0101rtu probl\u0113m\u0101m vai m\u0113r\u012bjumu k\u013c\u016bd\u0101m, kur\u0101m nepiecie\u0161ama izmekl\u0113\u0161ana.<\/p>\n\n <div class=\"example\">\n <strong>Kvalit\u0101tes p\u0101rbaudes piem\u0113rs:<\/strong> Motora gult\u0146a m\u0113r\u012bjums, kas uzr\u0101da 15 mm\/s RMS pie 3600 Hz bez atbilsto\u0161\u0101m harmonik\u0101m vai s\u0101nu josl\u0101m, visticam\u0101k, nor\u0101da uz m\u0113r\u012bjumu k\u013c\u016bdu, nevis \u012bstu gult\u0146a defektu. P\u0101rbaudei nepiecie\u0161ama atk\u0101rtota m\u0113r\u012b\u0161ana, r\u016bp\u012bgi piev\u0113r\u0161ot uzman\u012bbu sensora stiprin\u0101jumam un frekven\u010du diapazona iestat\u012bjumiem.\n <\/div>\n\n <h2>2.3.1.7. Gult\u0146u st\u0101vok\u013ca praktiska nov\u0113rt\u0113\u0161ana, izmantojot prim\u0101ros m\u0113r\u012bjumu datus<\/h2>\n\n <h3>M\u0113r\u012bjumu k\u013c\u016bdu anal\u012bze un datu valid\u0101cija<\/h3>\n\n <p>Uzticamai gult\u0146u diagnostikai ir nepiecie\u0161ama sistem\u0101tiska m\u0113r\u012bjumu k\u013c\u016bdu identific\u0113\u0161ana un nov\u0113r\u0161ana, kas var mask\u0113t \u012bstus k\u013c\u016bdu sign\u0101lus vai rad\u012bt viltus indik\u0101cijas. K\u013c\u016bdu anal\u012bze s\u0101kas t\u016bl\u012bt p\u0113c datu v\u0101k\u0161anas, kam\u0113r m\u0113r\u012bjumu apst\u0101k\u013ci un proced\u016bras paliek skaidras atmi\u0146\u0101.<\/p>\n\n <p>Spektr\u0101l\u0101s anal\u012bzes valid\u0101cija ietver frekven\u010du dom\u0113na raksturlielumu p\u0101rbaudi, lai noteiktu to atbilst\u012bbu zin\u0101miem ierosmes avotiem un m\u0113r\u012b\u0161anas sist\u0113mas iesp\u0113j\u0101m. \u012astiem gult\u0146u defektu parakstiem ir rakstur\u012bgas specifiskas frekven\u010du attiec\u012bbas un harmoniski mode\u013ci, kas tos at\u0161\u0137ir no m\u0113r\u012bjumu artefaktiem.<\/p>\n\n <p>Laika dom\u0113na anal\u012bze atkl\u0101j sign\u0101la raksturlielumus, kas var liecin\u0101t par m\u0113r\u012bjumu probl\u0113m\u0101m, tostarp nob\u012bd\u0113m, elektriskiem trauc\u0113jumiem un meh\u0101niskiem trauc\u0113jumiem. Gult\u0146u defektu sign\u0101liem parasti ir impuls\u012bvas \u012bpa\u0161\u012bbas ar augstiem sv\u0101rst\u012bbu maksimuma koeficientiem un periodiskiem amplit\u016bdas mode\u013ciem.<\/p>\n\n <p>V\u0113sturisko tenden\u010du anal\u012bze sniedz b\u016btisku kontekstu pa\u0161reiz\u0113jo m\u0113r\u012bjumu nov\u0113rt\u0113\u0161anai attiec\u012bb\u0101 pret iepriek\u0161\u0113jiem datiem no identisk\u0101m m\u0113r\u012bjumu viet\u0101m. Pak\u0101peniskas izmai\u0146as nor\u0101da uz patiesu iek\u0101rtu degrad\u0101ciju, savuk\u0101rt p\u0113k\u0161\u0146as izmai\u0146as var liecin\u0101t par m\u0113r\u012bjumu k\u013c\u016bd\u0101m vai \u0101r\u0113j\u0101m ietekm\u0113m.<\/p>\n\n <div class=\"note\">\n <strong>Valid\u0101cijas piez\u012bme:<\/strong> Gult\u0146u defektu bie\u017eumam j\u0101uztur konsekventa saist\u012bba ar rot\u0101cijas \u0101trumu da\u017e\u0101dos ekspluat\u0101cijas apst\u0101k\u013cos. Frekvences komponenti, kas nav proporcion\u0101li m\u0113rogoti \u0101trumam, var nor\u0101d\u012bt uz m\u0113r\u012bjumu k\u013c\u016bd\u0101m vai ar gultni nesaist\u012btiem vibr\u0101cijas avotiem.\n <\/div>\n\n <p>Starpkan\u0101lu verifik\u0101cija ietver vair\u0101ku sensoru m\u0113r\u012bjumu sal\u012bdzin\u0101\u0161anu uz viena un t\u0101 pa\u0161a komponenta, lai noteiktu virziena jut\u012bbu un apstiprin\u0101tu defekta esam\u012bbu. Gult\u0146u defekti parasti ietekm\u0113 vair\u0101kus m\u0113r\u012bjumu virzienus, vienlaikus saglab\u0101jot rakstur\u012bg\u0101s frekvences attiec\u012bbas.<\/p>\n\n <p>Vides faktoru nov\u0113rt\u0113jum\u0101 tiek \u0146emti v\u0113r\u0101 \u0101r\u0113jie faktori, tostarp temperat\u016bras sv\u0101rst\u012bbas, slodzes izmai\u0146as un akustiskais fons, kas var ietekm\u0113t m\u0113r\u012bjumu kvalit\u0101ti vai interpret\u0101ciju. Korel\u0101cija starp vides apst\u0101k\u013ciem un vibr\u0101cijas raksturlielumiem sniedz v\u0113rt\u012bgu diagnostisko inform\u0101ciju.<\/p>\n\n <h3>Rot\u0101cijas \u0101truma p\u0101rbaude, izmantojot spektr\u0101lo anal\u012bzi<\/h3>\n\n <p>Prec\u012bza rot\u0101cijas \u0101truma noteik\u0161ana nodro\u0161ina pamatu visiem gult\u0146u defektu bie\u017euma apr\u0113\u0137iniem un diagnostikas interpret\u0101cijai. Spektr\u0101l\u0101 anal\u012bze pied\u0101v\u0101 vair\u0101kas pieejas \u0101truma p\u0101rbaudei, kas papildina tie\u0161os tahometra m\u0113r\u012bjumus.<\/p>\n\n <p>Pamatfrekvences identifik\u0101cija ietver spektra maksimumu noteik\u0161anu, kas atbilst v\u0101rpstas rot\u0101cijas frekvencei, kam vajadz\u0113tu par\u0101d\u012bties redzam\u0101 viet\u0101 liel\u0101kaj\u0101 da\u013c\u0101 rot\u0113jo\u0161u ma\u0161\u012bnu spektru atliku\u0161\u0101 nel\u012bdzsvarot\u012bbas vai nelielas nob\u012bdes d\u0113\u013c. Pamatfrekvence nodro\u0161ina b\u0101zes atskaites punktu visiem harmonisko un gult\u0146u frekven\u010du apr\u0113\u0137iniem.<\/p>\n\n <p>Harmonisko mode\u013cu anal\u012bze p\u0113ta pamatfrekvences un t\u0101s harmoniku savstarp\u0113jo saist\u012bbu, lai apstiprin\u0101tu \u0101truma precizit\u0101ti un identific\u0113tu papildu meh\u0101niskas probl\u0113mas. T\u012brs rot\u0101cijas nel\u012bdzsvarot\u012bbas l\u012bmenis rada galvenok\u0101rt pamatfrekvences vibr\u0101cijas, savuk\u0101rt meh\u0101niskas probl\u0113mas rada augst\u0101kas harmonikas.<\/p>\n\n <div class=\"formula\">\n <strong>\u0100truma apr\u0113\u0137ins no spektra:<\/strong><br>\n RPM = (pamata frekvence Hz) \u00d7 60<br>\n <br>\n Gult\u0146u defektu frekvences m\u0113rogo\u0161ana:<br>\n BPFO_faktiskais = BPFO_teor\u0113tiskais \u00d7 (faktiskais_apgr.\/min. \/ nomin\u0101lais_apgr.\/min.)\n <\/div>\n\n <p>Elektromagn\u0113tisk\u0101 frekven\u010du identifik\u0101cija motoru lietojumos atkl\u0101j t\u012bkla frekvences komponentes un spraugas p\u0101rejas frekvences, kas nodro\u0161ina neatkar\u012bgu \u0101truma p\u0101rbaudi. \u0160\u012bs frekvences uztur fiks\u0113tas attiec\u012bbas ar elektrot\u012bkla frekvenci un motora konstrukcijas parametriem.<\/p>\n\n <p>Zobratu sazobes frekvences identifik\u0101cija p\u0101rnesumu sist\u0113m\u0101s nodro\u0161ina \u013coti prec\u012bzu \u0101truma noteik\u0161anu, izmantojot sakar\u012bbu starp sazobes frekvenci un rot\u0101cijas \u0101trumu. Zobratu sazobes frekvences parasti rada izteiktus spektra maksimumus ar izcilu sign\u0101la un trok\u0161\u0146a attiec\u012bbu.<\/p>\n\n <p>\u0100truma sv\u0101rst\u012bbu nov\u0113rt\u0113jum\u0101 tiek p\u0101rbaud\u012bts spektr\u0101l\u0101 p\u012b\u0137a asums un s\u0101nu joslu strukt\u016bra, lai nov\u0113rt\u0113tu \u0101truma stabilit\u0101ti m\u0113r\u012bjumu ieg\u016b\u0161anas laik\u0101. \u0100truma nestabilit\u0101te rada spektr\u0101lo izsm\u0113r\u0113\u0161anos un s\u0101nu joslu \u0123ener\u0113\u0161anu, kas samazina anal\u012bzes precizit\u0101ti un var mask\u0113t gult\u0146u defektu paz\u012bmes.<\/p>\n\n <h3>Gult\u0146u defektu bie\u017euma apr\u0113\u0137in\u0101\u0161ana un identific\u0113\u0161ana<\/h3>\n\n <p>Gult\u0146u defektu bie\u017euma apr\u0113\u0137iniem ir nepiecie\u0161ami prec\u012bzi gult\u0146u \u0123eometrijas dati un prec\u012bza inform\u0101cija par rot\u0101cijas \u0101trumu. \u0160ie apr\u0113\u0137ini sniedz teor\u0113tiskas frekvences, kas kalpo k\u0101 paraugi faktisko gult\u0146u defektu parakstu identific\u0113\u0161anai izm\u0113r\u012btajos spektros.<\/p>\n\n <p>Lod\u012btes caurlaides frekvence \u0100r\u0113jais gredzens (BPFO) apz\u012bm\u0113 \u0101trumu, k\u0101d\u0101 rito\u0161ie elementi saskaras ar \u0101r\u0113j\u0101 gredzena defektiem. \u0160\u012b frekvence parasti ir no 0,4 l\u012bdz 0,6 reiz\u0113m liel\u0101ka par rot\u0101cijas frekvenci atkar\u012bb\u0101 no gult\u0146a \u0123eometrijas un saskares le\u0146\u0137a raksturlielumiem.<\/p>\n\n <p>Ball Pass Frequency Inner race (BPFI) nor\u0101da rito\u0161o elementu saskares bie\u017eumu ar iek\u0161\u0113j\u0101 gredzena defektiem. BPFI parasti p\u0101rsniedz BPFO aptuveni par 40\u201390% un var uzr\u0101d\u012bt amplit\u016bdas modul\u0101ciju rot\u0101cijas frekvenc\u0113 slodzes zonas ietekmes d\u0113\u013c.<\/p>\n\n <div class=\"formula\">\n <strong>Gult\u0146u defektu bie\u017euma formulas:<\/strong><br>\n BPFO = (NB\/2) \u00d7 fr \u00d7 (1 - (Bd\/Pd) \u00d7 cos (\u03c6))<br>\n BPFI = (NB\/2) \u00d7 fr \u00d7 (1 + (Bd\/Pd) \u00d7 cos(\u03c6))<br>\n FTF = (fr\/2) \u00d7 (1\u00a0\u2014 (Bd\/Pd) \u00d7 cos(\u03c6))<br>\n BSF = (Pd\/2Bd) \u00d7 fr \u00d7 (1 - (Bd\/Pd)\u00b2 \u00d7 cos\u00b2 (\u03c6))<br>\n <br>\n Kur: NB = lod\u012b\u0161u skaits, fr = rot\u0101cijas frekvence, Bd = lod\u012btes diametrs, Pd = so\u013ca diametrs, \u03c6 = saskares le\u0146\u0137is\n <\/div>\n\n <p>Pamatfrekvence (FTF) ir sprosts rot\u0101cijas frekvence un parasti ir vien\u0101da ar 0,35\u20130,45 reiz\u0113m v\u0101rpstas rot\u0101cijas frekvenci. Sprosts defekti vai e\u013c\u013co\u0161anas probl\u0113mas var rad\u012bt vibr\u0101ciju FTF un t\u0101s harmonik\u0101s.<\/p>\n\n <p>Lod\u012btes grie\u0161an\u0101s frekvence (BSF) nor\u0101da atsevi\u0161\u0137a rito\u0161\u0101 elementa rot\u0101cijas frekvenci un reti par\u0101d\u0101s vibr\u0101cijas spektros, ja vien rito\u0161ajiem elementiem nav specifisku defektu vai izm\u0113ru vari\u0101ciju. BSF identific\u0113\u0161anai nepiecie\u0161ama r\u016bp\u012bga anal\u012bze, jo t\u0101 parasti ir zema amplit\u016bda.<\/p>\n\n <p>Frekvences tolerances apsv\u0113rumi \u0146em v\u0113r\u0101 ra\u017eo\u0161anas vari\u0101cijas, slodzes ietekmi un m\u0113r\u012bjumu nenoteikt\u012bbu, kas var izrais\u012bt faktisko defektu bie\u017euma at\u0161\u0137ir\u0161anos no teor\u0113tiskajiem apr\u0113\u0137iniem. Mekl\u0113\u0161anas joslas platums \u00b15% ap apr\u0113\u0137in\u0101taj\u0101m frekvenc\u0113m piel\u0101gojas \u0161\u012bm vari\u0101cij\u0101m.<\/p>\n\n <h3>Spektr\u0101lo rakstu atpaz\u012b\u0161ana un defektu identific\u0113\u0161ana<\/h3>\n\n <p>Gult\u0146u defektu identific\u0113\u0161anai ir nepiecie\u0161amas sistem\u0101tiskas mode\u013cu atpaz\u012b\u0161anas metodes, kas at\u0161\u0137ir \u012bstus gult\u0146u defektu sign\u0101lus no citiem vibr\u0101cijas avotiem. Katrs defektu veids rada rakstur\u012bgus spektr\u0101los mode\u013cus, kas, pareizi interpret\u0113jot, \u013cauj noteikt specifisku diagnozi.<\/p>\n\n <p>\u0100r\u0113j\u0101s rases defektu paz\u012bmes parasti par\u0101d\u0101s k\u0101 diskr\u0113ti spektra p\u012b\u0137i pie BPFO un t\u0101 harmonik\u0101m bez b\u016btiskas amplit\u016bdas modul\u0101cijas. Rot\u0101cijas frekven\u010du s\u0101nu joslu neesam\u012bba at\u0161\u0137ir \u0101r\u0113j\u0101s rases defektus no iek\u0161\u0113j\u0101s rases probl\u0113m\u0101m.<\/p>\n\n <p>Iek\u0161\u0113j\u0101s rases defektu parakstiem ir BPFI pamatfrekvence ar s\u0101nu josl\u0101m, kas izvietotas rot\u0101cijas frekvences interv\u0101los. \u0160\u012b amplit\u016bdas modul\u0101cija rodas slodzes zonas efektu d\u0113\u013c, defekt\u012bvajai zonai rot\u0113jot main\u012bgos slodzes apst\u0101k\u013cos.<\/p>\n\n <p>Rito\u0161\u0101 elementa defektu paz\u012bmes var par\u0101d\u012bties pie BSF vai rad\u012bt citu gult\u0146u frekven\u010du modul\u0101ciju. \u0160ie defekti bie\u017ei rada sare\u017e\u0123\u012btus spektr\u0101los mode\u013cus, kuru at\u0161\u0137ir\u0161anai no rases defektiem nepiecie\u0161ama r\u016bp\u012bga anal\u012bze.<\/p>\n\n <p>B\u016bra defektu paz\u012bmes parasti izpau\u017eas FTF un t\u0101 harmoniku diapazon\u0101, ko bie\u017ei pavada paaugstin\u0101ts fona trok\u0161\u0146a l\u012bmenis un nestabilas amplit\u016bdas raksturlielumi. B\u016bra probl\u0113mas var modul\u0113t ar\u012b citas gult\u0146u frekvences.<\/p>\n\n <div class=\"example\">\n <strong>Rakstu atpaz\u012b\u0161anas piem\u0113rs:<\/strong> Motora gult\u0146u spektrs, kas uzr\u0101da maksimumus pie 147 Hz, 294 Hz un 441 Hz ar 30 Hz s\u0101nu josl\u0101m ap katru maksimumu, nor\u0101da uz iek\u0161\u0113j\u0101s rases defektu (BPFI = 147 Hz) ar rot\u0101cijas frekvences modul\u0101ciju (30 Hz = 1800 RPM\/60). Harmoniku rindas un s\u0101nu joslu strukt\u016bra apstiprina iek\u0161\u0113j\u0101s rases diagnozi.\n <\/div>\n\n <h3>Aploksnes anal\u012bzes ievie\u0161ana un interpret\u0101cija<\/h3>\n\n <p>Aploksnes anal\u012bze ieg\u016bst amplit\u016bdas modul\u0101cijas inform\u0101ciju no augstfrekvences vibr\u0101cijas, lai atkl\u0101tu zemfrekvences gult\u0146u defektu mode\u013cus. \u0160\u012b metode ir \u012bpa\u0161i efekt\u012bva agr\u012bnas stadijas gult\u0146u defektu noteik\u0161anai, kas var nerad\u012bt izm\u0113r\u0101mu zemfrekvences vibr\u0101ciju.<\/p>\n\n <p>Frekven\u010du joslas izv\u0113lei apvalka anal\u012bzei ir j\u0101identific\u0113 struktur\u0101l\u0101s rezonanses vai gult\u0146u dabisk\u0101s frekvences, kuras ierosina gult\u0146u trieciena sp\u0113ki. Optim\u0101l\u0101s frekven\u010du joslas parasti ir no 1000 l\u012bdz 8000 Hz atkar\u012bb\u0101 no gult\u0146a izm\u0113ra un mont\u0101\u017eas \u012bpa\u0161\u012bb\u0101m.<\/p>\n\n <p>Filtra konstrukcijas parametri b\u016btiski ietekm\u0113 aploksnes anal\u012bzes rezult\u0101tus. Joslas caurlaides filtriem j\u0101nodro\u0161ina pietiekams joslas platums, lai uztvertu rezonanses raksturlielumus, vienlaikus izsl\u0113dzot blakus eso\u0161\u0101s rezonanses, kas var pies\u0101r\u0146ot rezult\u0101tus. Filtra nob\u012bdes raksturlielumi ietekm\u0113 p\u0101rejas reakciju un trieciena noteik\u0161anas jut\u012bbu.<\/p>\n\n <p>Aploksnes spektra interpret\u0101cija atbilst l\u012bdz\u012bgiem principiem k\u0101 tradicion\u0101l\u0101 spektr\u0101l\u0101 anal\u012bze, bet koncentr\u0113jas uz modul\u0101cijas frekvenc\u0113m, nevis nes\u0113jfrekvenc\u0113m. Gult\u0146u defektu frekvences aploksnes spektr\u0101 par\u0101d\u0101s k\u0101 diskr\u0113ti p\u012b\u0137i, kuru amplit\u016bdas nor\u0101da defekta nopietn\u012bbu.<\/p>\n\n <p>Aploksnes anal\u012bzes kvalit\u0101tes nov\u0113rt\u0113\u0161ana ietver filtru izv\u0113les, frekven\u010du joslas raksturlielumu un sign\u0101la un trok\u0161\u0146a attiec\u012bbu nov\u0113rt\u0113\u0161anu, lai nodro\u0161in\u0101tu ticamus rezult\u0101tus. Slikti aploksnes anal\u012bzes rezult\u0101ti var liecin\u0101t par nepiem\u0113rotu filtru izv\u0113li vai nepietiekamu struktur\u0101l\u0101s rezonanses ierosmi.<\/p>\n\n <h3>Amplit\u016bdas nov\u0113rt\u0113jums un smaguma pak\u0101pes klasifik\u0101cija<\/h3>\n\n <p>Gult\u0146u defektu nopietn\u012bbas nov\u0113rt\u0113\u0161anai ir nepiecie\u0161ama sistem\u0101tiska vibr\u0101ciju amplit\u016bdu nov\u0113rt\u0113\u0161ana attiec\u012bb\u0101 pret noteiktajiem krit\u0113rijiem un v\u0113sturiskaj\u0101m tendenc\u0113m. B\u012bstam\u012bbas klasifik\u0101cija \u013cauj pl\u0101not apkopi un nov\u0113rt\u0113t riskus turpm\u0101kai darb\u012bbai.<\/p>\n\n <p>Absol\u016bt\u0101s amplit\u016bdas krit\u0113riji sniedz visp\u0101r\u012bgas vadl\u012bnijas gult\u0146u st\u0101vok\u013ca nov\u0113rt\u0113\u0161anai, pamatojoties uz nozares pieredzi un standartiem. \u0160ie krit\u0113riji parasti nosaka trauksmes un trauksmes l\u012bme\u0146us kop\u0113jai vibr\u0101cijai un konkr\u0113t\u0101m frekven\u010du josl\u0101m.<\/p>\n\n <p>Tenden\u010du anal\u012bze izv\u0113rt\u0113 amplit\u016bdas izmai\u0146as laika gait\u0101, lai nov\u0113rt\u0113tu degrad\u0101cijas \u0101trumu un prognoz\u0113tu atliku\u0161o kalpo\u0161anas laiku. Eksponenci\u0101la amplit\u016bdas pieaugums bie\u017ei nor\u0101da uz pa\u0101trin\u0101tiem boj\u0101jumiem, kas prasa t\u016bl\u012bt\u0113ju apkopi.<\/p>\n\n <div class=\"infographic\">\n <h4>Gult\u0146u st\u0101vok\u013ca klasifik\u0101cijas vadl\u012bnijas<\/h4>\n <table>\n <tr>\n <th>St\u0101vok\u013ca kategorija<\/th>\n <th>Kop\u0113j\u0101 vibr\u0101cija (mm\/s RMS)<\/th>\n <th>Defekta frekvences amplit\u016bda<\/th>\n <th>Ieteicam\u0101 darb\u012bba<\/th>\n <\/tr>\n <tr>\n <td>Labi<\/td>\n <td>< 2,8<\/td>\n <td>Nav nosak\u0101ms<\/td>\n <td>Turpin\u0101t norm\u0101lu darb\u012bbu<\/td>\n <\/tr>\n <tr>\n <td>Apmierino\u0161i<\/td>\n <td>2.8 - 7.0<\/td>\n <td>Tik tikko nosak\u0101ms<\/td>\n <td>Uzraudz\u012bt tendences<\/td>\n <\/tr>\n <tr>\n <td>Neapmierino\u0161i<\/td>\n <td>7.0 - 18.0<\/td>\n <td>Skaidri redzams<\/td>\n <td>Pl\u0101na uztur\u0113\u0161ana<\/td>\n <\/tr>\n <tr>\n <td>Nepie\u0146emami<\/td>\n <td>> 18,0<\/td>\n <td>Domin\u0113jo\u0161\u0101s virsotnes<\/td>\n <td>Nepiecie\u0161ama t\u016bl\u012bt\u0113ja r\u012bc\u012bba<\/td>\n <\/tr>\n <\/table>\n <\/div>\n\n <p>Sal\u012bdzino\u0161\u0101 anal\u012bze nov\u0113rt\u0113 gult\u0146u st\u0101vokli attiec\u012bb\u0101 pret l\u012bdz\u012bgiem gult\u0146iem identiskos pielietojumos, lai \u0146emtu v\u0113r\u0101 konkr\u0113tus ekspluat\u0101cijas apst\u0101k\u013cus un uzst\u0101d\u012b\u0161anas raksturlielumus. \u0160\u012b pieeja nodro\u0161ina prec\u012bz\u0101ku smaguma nov\u0113rt\u0113jumu nek\u0101 tikai absol\u016btie krit\u0113riji.<\/p>\n\n <p>Vair\u0101ku parametru integr\u0101cija apvieno inform\u0101ciju no kop\u0113jiem vibr\u0101cijas l\u012bme\u0146iem, specifisk\u0101m defektu frekvenc\u0113m, gult\u0146u apvalka anal\u012bzes rezult\u0101tiem un temperat\u016bras m\u0113r\u012bjumiem, lai sniegtu visaptvero\u0161u gult\u0146u nov\u0113rt\u0113jumu. Viena parametra anal\u012bze var sniegt nepiln\u012bgu vai maldino\u0161u inform\u0101ciju.<\/p>\n\n <h3>Slodzes zonas efekti un modul\u0101cijas mode\u013ca anal\u012bze<\/h3>\n\n <p>Gult\u0146u slodzes sadal\u012bjums b\u016btiski ietekm\u0113 vibr\u0101cijas paz\u012bmes un diagnostisko interpret\u0101ciju. Slodzes zonas efekti rada amplit\u016bdas modul\u0101cijas mode\u013cus, kas sniedz papildu inform\u0101ciju par gult\u0146u st\u0101vokli un slodzes raksturlielumiem.<\/p>\n\n <p>Iek\u0161\u0113j\u0101s skrejrite\u0146a defektu modul\u0101cija notiek, kad defektu zonas katra apgrieziena laik\u0101 rot\u0113 caur da\u017e\u0101d\u0101m slodzes zon\u0101m. Maksim\u0101l\u0101 modul\u0101cija notiek, kad defekti sakr\u012bt ar maksim\u0101l\u0101s slodzes poz\u012bcij\u0101m, savuk\u0101rt minim\u0101l\u0101 modul\u0101cija atbilst nenoslogot\u0101m poz\u012bcij\u0101m.<\/p>\n\n <p>Slodzes zonas noteik\u0161ana, izmantojot modul\u0101cijas anal\u012bzi, atkl\u0101j gult\u0146u slodzes mode\u013cus un var nor\u0101d\u012bt uz nepareizu izl\u012bdzin\u0101\u0161anu, pamatu probl\u0113m\u0101m vai nenorm\u0101lu slodzes sadal\u012bjumu. Asimetriski modul\u0101cijas mode\u013ci liecina par nevienm\u0113r\u012bgiem slodzes apst\u0101k\u013ciem.<\/p>\n\n <p>S\u0101nu joslu anal\u012bze p\u0113ta frekven\u010du komponentus ap gult\u0146u defektu frekvenc\u0113m, lai kvantitat\u012bvi noteiktu modul\u0101cijas dzi\u013cumu un identific\u0113tu modul\u0101cijas avotus. Rot\u0101cijas frekven\u010du s\u0101nu joslas nor\u0101da uz slodzes zonas ietekmi, savuk\u0101rt citas s\u0101nu joslu frekvences var atkl\u0101t papildu probl\u0113mas.<\/p>\n\n <div class=\"formula\">\n <strong>Modul\u0101cijas indeksa apr\u0113\u0137ins:<\/strong><br>\n MI = (s\u0101njoslas amplit\u016bda) \/ (nes\u0113ja amplit\u016bda)<br>\n <br>\n Tipiskas v\u0113rt\u012bbas:<br>\n Gaismas modul\u0101cija: MI < 0,2<br>\n M\u0113rena modul\u0101cija: MI = 0,2\u20130,5<br>\n Sp\u0113c\u012bga modul\u0101cija: MI > 0,5\n <\/div>\n\n <p>Modul\u0101cijas mode\u013cu f\u0101\u017eu anal\u012bze sniedz inform\u0101ciju par defektu atra\u0161an\u0101s vietu attiec\u012bb\u0101 pret slodzes zon\u0101m un var pal\u012bdz\u0113t prognoz\u0113t boj\u0101jumu progres\u0113\u0161anas mode\u013cus. Uzlabotas anal\u012bzes metodes var nov\u0113rt\u0113t atliku\u0161o gult\u0146a kalpo\u0161anas laiku, pamatojoties uz modul\u0101cijas raksturlielumiem.<\/p>\n\n <h3>Integr\u0101cija ar komplement\u0101r\u0101m diagnostikas metod\u0113m<\/h3>\n\n <p>Visaptvero\u0161s gult\u0146u nov\u0113rt\u0113jums integr\u0113 vibr\u0101cijas anal\u012bzi ar papildino\u0161\u0101m diagnostikas metod\u0113m, lai uzlabotu precizit\u0101ti un samazin\u0101tu viltus trauksmju l\u012bmeni. Vair\u0101kas diagnostikas pieejas nodro\u0161ina probl\u0113mas identific\u0113\u0161anas apstiprin\u0101jumu un uzlabotu t\u0101s nopietn\u012bbas nov\u0113rt\u0113jumu.<\/p>\n\n <p>E\u013c\u013cas anal\u012bze atkl\u0101j gult\u0146u nodiluma da\u013ci\u0146as, pies\u0101r\u0146ojuma l\u012bmeni un sm\u0113rvielas degrad\u0101ciju, kas korel\u0113 ar vibr\u0101cijas anal\u012bzes rezult\u0101tiem. Pieaugo\u0161a nodiluma da\u013ci\u0146u koncentr\u0101cija bie\u017ei vien notiek vair\u0101kas ned\u0113\u013cas pirms nosak\u0101m\u0101m vibr\u0101cijas izmai\u0146\u0101m.<\/p>\n\n <p>Temperat\u016bras monitorings nodro\u0161ina gult\u0146u termisk\u0101 st\u0101vok\u013ca un berzes l\u012bme\u0146u indik\u0101ciju re\u0101llaik\u0101. Temperat\u016bras paaugstin\u0101\u0161an\u0101s bie\u017ei vien ir saist\u012bta ar vibr\u0101cijas palielin\u0101\u0161anos gult\u0146u degrad\u0101cijas procesu laik\u0101.<\/p>\n\n <p>Akustisk\u0101s emisijas monitorings nosaka augstfrekvences sprieguma vi\u013c\u0146us no plaisu izplat\u012b\u0161an\u0101s un virsmas saskares par\u0101d\u012bb\u0101m, kas var b\u016bt pirms parastaj\u0101m vibr\u0101cijas paz\u012bm\u0113m. \u0160\u012b metode nodro\u0161ina p\u0113c iesp\u0113jas agr\u0101ku defektu noteik\u0161anas iesp\u0113ju.<\/p>\n\n <p>Veiktsp\u0113jas uzraudz\u012bba nov\u0113rt\u0113 gult\u0146u ietekmi uz sist\u0113mas darb\u012bbu, tostarp efektivit\u0101tes izmai\u0146as, slodzes sadal\u012bjuma vari\u0101cijas un darb\u012bbas stabilit\u0101ti. Veiktsp\u0113jas pasliktin\u0101\u0161an\u0101s var nor\u0101d\u012bt uz gult\u0146u probl\u0113m\u0101m, kur\u0101m nepiecie\u0161ama izmekl\u0113\u0161ana, pat ja vibr\u0101cijas l\u012bmenis joproj\u0101m ir pie\u0146emams.<\/p>\n\n <div class=\"example\">\n <strong>Integr\u0113t\u0101 nov\u0113rt\u0113juma piem\u0113rs:<\/strong> Vilces motora gultnis, kas uzr\u0101da 25% vibr\u0101cijas amplit\u016bdas palielin\u0101\u0161anos, temperat\u016bras paaugstin\u0101\u0161anos par 15\u00a0\u00b0C, divk\u0101r\u0161otu e\u013c\u013cas da\u013ci\u0146u skaitu un 3% efektivit\u0101tes samazin\u0101\u0161anos, nor\u0101da uz pa\u0101trin\u0101tu gult\u0146a degrad\u0101ciju, kuras d\u0113\u013c nepiecie\u0161ama apkope 30 dienu laik\u0101. Atsevi\u0161\u0137i indikatori var neizrais\u012bt t\u016bl\u012bt\u0113ju r\u012bc\u012bbu, ta\u010du kolekt\u012bvie pier\u0101d\u012bjumi apstiprina steidzamu nepiecie\u0161am\u012bbu.\n <\/div>\n\n <h3>Dokument\u0101cijas un zi\u0146o\u0161anas pras\u012bbas<\/h3>\n\n <p>Efekt\u012bvai gult\u0146u diagnostikai ir nepiecie\u0161ama visaptvero\u0161a m\u0113r\u012bjumu proced\u016bru, anal\u012bzes rezult\u0101tu un apkopes ieteikumu dokument\u0101cija, lai atbalst\u012btu l\u0113mumu pie\u0146em\u0161anu un nodro\u0161in\u0101tu v\u0113sturiskus ierakstus tenden\u010du anal\u012bzei.<\/p>\n\n <p>M\u0113r\u012bjumu dokument\u0101cija ietver iek\u0101rtu konfigur\u0101ciju, vides apst\u0101k\u013cus, darb\u012bbas parametrus un kvalit\u0101tes nov\u0113rt\u0113juma rezult\u0101tus. \u0160\u012b inform\u0101cija nodro\u0161ina m\u0113r\u012bjumu atk\u0101rtojam\u012bbu n\u0101kotn\u0113 un sniedz kontekstu rezult\u0101tu interpret\u0101cijai.<\/p>\n\n <p>Anal\u012bzes dokument\u0101cij\u0101 tiek re\u0123istr\u0113tas apr\u0113\u0137inu proced\u016bras, frekven\u010du noteik\u0161anas metodes un diagnostisk\u0101 sprie\u0161ana, lai pamatotu secin\u0101jumus un nodro\u0161in\u0101tu sal\u012bdzino\u0161u v\u0113rt\u0113\u0161anu. Detaliz\u0113ta dokument\u0101cija atvieglo zin\u0101\u0161anu p\u0101rnesi un apm\u0101c\u012bbas aktivit\u0101tes.<\/p>\n\n <p>Ieteikumu dokument\u0101cij\u0101 ir sniegti skaidri nor\u0101d\u012bjumi par apkopi, tostarp steidzam\u012bbas klasifik\u0101cija, ieteikt\u0101s remonta proced\u016bras un uzraudz\u012bbas pras\u012bbas. Ieteikumos j\u0101iek\u013cauj pietiekams tehniskais pamatojums, lai pamatotu l\u0113mumus par apkopi.<\/p>\n\n <p>V\u0113sturisk\u0101s datub\u0101zes uztur\u0113\u0161ana nodro\u0161ina, ka m\u0113r\u012bjumu un anal\u012bzes rezult\u0101ti joproj\u0101m ir pieejami tenden\u010du anal\u012bzei un sal\u012bdzino\u0161iem p\u0113t\u012bjumiem. Pareiza datub\u0101zes organiz\u0101cija atvieglo visa autoparka anal\u012bzi un kop\u012bgu probl\u0113mu identific\u0113\u0161anu l\u012bdz\u012bg\u0101s iek\u0101rt\u0101s.<\/p>\n\n <div class=\"note\">\n <strong>Dokument\u0101cijas piez\u012bme:<\/strong> Digit\u0101lajai dokument\u0101cijai j\u0101ietver neapstr\u0101d\u0101ti m\u0113r\u012bjumu dati, anal\u012bzes parametri un apr\u0113\u0137inu starprezult\u0101ti, lai, att\u012bstoties zin\u0101\u0161an\u0101m un tehnolo\u0123ij\u0101m, var\u0113tu veikt atk\u0101rtotu anal\u012bzi ar da\u017e\u0101diem parametriem vai atjaunin\u0101t\u0101m anal\u012bzes metod\u0113m.\n <\/div>\n\n <h2>Secin\u0101jums<\/h2>\n\n <p>Dzelzce\u013ca lokomot\u012bvju komponentu vibr\u0101cijas diagnostika ir sare\u017e\u0123\u012bta in\u017eenierzin\u0101t\u0146u discipl\u012bna, kas apvieno meh\u0101nikas pamatprincipus ar progres\u012bv\u0101m m\u0113r\u012b\u0161anas un anal\u012bzes tehnolo\u0123ij\u0101m. \u0160aj\u0101 visaptvero\u0161aj\u0101 rokasgr\u0101mat\u0101 ir izp\u0113t\u012bti b\u016btiskie elementi, kas nepiecie\u0161ami vibr\u0101cijas b\u0101zes st\u0101vok\u013ca uzraudz\u012bbas efekt\u012bvai ievie\u0161anai lokomot\u012bvju apkopes oper\u0101cij\u0101s.<\/p>\n\n <p>Veiksm\u012bgas vibr\u0101cijas diagnostikas pamat\u0101 ir padzi\u013cin\u0101ta izpratne par rot\u0113jo\u0161u ma\u0161\u012bnu sv\u0101rst\u012bbu par\u0101d\u012bb\u0101m un rite\u0146u p\u0101ru-motoru bloku (WMB), rite\u0146u p\u0101ru-zobratu bloku (WGB) un pal\u012bgma\u0161\u012bnu (AM) \u012bpa\u0161aj\u0101m \u012bpa\u0161\u012bb\u0101m. Katram komponentu tipam ir unik\u0101las vibr\u0101cijas paz\u012bmes, kur\u0101m nepiecie\u0161amas specializ\u0113tas anal\u012bzes pieejas un interpret\u0101cijas metodes.<\/p>\n\n <p>M\u016bsdienu diagnostikas sist\u0113mas nodro\u0161ina jaud\u012bgas iesp\u0113jas agr\u012bnai k\u013c\u016bmju noteik\u0161anai un nopietn\u012bbas nov\u0113rt\u0113\u0161anai, ta\u010du to efektivit\u0101te ir kritiski atkar\u012bga no pareizas ievie\u0161anas, m\u0113r\u012bjumu kvalit\u0101tes kontroles un prasm\u012bgas rezult\u0101tu interpret\u0101cijas. Vair\u0101ku diagnostikas meto\u017eu integr\u0101cija uzlabo uzticam\u012bbu un samazina viltus trauksmju l\u012bmeni, vienlaikus nodro\u0161inot visaptvero\u0161u komponentu st\u0101vok\u013ca nov\u0113rt\u0113jumu.<\/p>\n\n <p>Sensoru tehnolo\u0123iju, anal\u012bzes algoritmu un datu integr\u0101cijas iesp\u0113ju nep\u0101rtraukta att\u012bst\u012bba sola turpm\u0101kus uzlabojumus diagnostikas precizit\u0101t\u0113 un darb\u012bbas efektivit\u0101t\u0113. Dzelzce\u013ca uztur\u0113\u0161anas organiz\u0101cijas, kas iegulda visaptvero\u0161\u0101s vibr\u0101cijas diagnostikas iesp\u0113j\u0101s, g\u016bs iev\u0113rojamus ieguvumus, samazinot nepl\u0101notu k\u013c\u016bmju skaitu, optimiz\u0113jot apkopes pl\u0101no\u0161anu un uzlabojot ekspluat\u0101cijas dro\u0161\u012bbu.<\/p>\n\n <p>Vibr\u0101cijas diagnostikas veiksm\u012bgai ievie\u0161anai ir nepiecie\u0161ama past\u0101v\u012bga ap\u0146em\u0161an\u0101s apm\u0101c\u012bb\u0101, tehnolo\u0123iju att\u012bst\u012bb\u0101 un kvalit\u0101tes nodro\u0161in\u0101\u0161anas proced\u016br\u0101s. T\u0101 k\u0101 dzelzce\u013ca sist\u0113mas turpina att\u012bst\u012bties, virzoties uz liel\u0101ku \u0101trumu un augst\u0101k\u0101m uzticam\u012bbas pras\u012bb\u0101m, vibr\u0101cijas diagnostikai b\u016bs arvien svar\u012bg\u0101ka loma lokomot\u012bvju dro\u0161as un efekt\u012bvas darb\u012bbas uztur\u0113\u0161an\u0101.<\/p>\n <\/div>\n<\/div><\/div><div id=\"panel-6302-0-0-2\" class=\"widget_text so-panel widget widget_custom_html panel-last-child\" data-index=\"2\" ><div class=\"textwidget custom-html-widget\">\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products-2\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-1\/\" title=\"Portat\u012bvais balansieris un vibr\u0101ciju analizators Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A pilns p\u0101rn\u0113s\u0101jam\u0101 balansiera un vibr\u0101ciju analizatora komplekts\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/devices\/\" rel=\"tag\">Ier\u012bces<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-1\/\" title=\"Portat\u012bvais balansieris un vibr\u0101ciju analizators Balanset-1A\">Portat\u012bvais balansieris un vibr\u0101ciju analizators Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Add to cart: \u201cPortable balancer & Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer & Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/vibration-sensor\/\" title=\"Vibr\u0101cijas sensors\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A vibr\u0101cijas sensors tuvpl\u0101n\u0101\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/vibration-sensor\/\" title=\"Vibr\u0101cijas sensors\">Vibr\u0101cijas sensors<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optiskais sensors (l\u0101zera tahometrs)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optiskais sensors (l\u0101zera tahometrs)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optiskais sensors (l\u0101zera tahometrs)\">Optiskais sensors (l\u0101zera tahometrs)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-4\/\" title=\"balans\u0113\u0161anas komplekts-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotora balans\u0113\u0161anas komplekts: p\u0101rn\u0113s\u0101\u0161anas soma, daudzkan\u0101lu sign\u0101la kondicionieris, rokas analizators, magn\u0113tisk\u0101 pamatne, vibr\u0101cijas sensori un spir\u0101lveida kabe\u013ci.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/devices\/\" rel=\"tag\">Ier\u012bces<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/balanset-4\/\" title=\"balans\u0113\u0161anas komplekts-4\">balans\u0113\u0161anas komplekts-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/magnet-stand\/\" title=\"Magn\u0113tiskais stat\u012bvs Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magn\u0113ta pamatne.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/magnet-stand\/\" title=\"Magn\u0113tiskais stat\u012bvs Insize-60-kgf\">Magn\u0113tiskais stat\u012bvs Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Add to cart: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/reflective-tape\/\" title=\"Atstarojo\u0161\u0101 lente\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Atstarojo\u0161\u0101 lente\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/parts\/\" rel=\"tag\">Da\u013cas<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/reflective-tape\/\" title=\"Atstarojo\u0161\u0101 lente\">Atstarojo\u0161\u0101 lente<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Add to cart: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/lv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamiskais balans\u0113t\u0101js "Balanset-1A" OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A komplekta saturs ar interfeisa bloku, sensoriem, tahometru un piederumiem\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/lv\/product-category\/devices\/\" rel=\"tag\">Ier\u012bces<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/lv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinamiskais balans\u0113t\u0101js "Balanset-1A" OEM\">Dinamiskais balans\u0113t\u0101js \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + PVN (ja piem\u0113rojams)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Pievienot grozam\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Pievienot grozam\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/lv\/wp-json\/wp\/v2\/posts\/6302?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Add to cart: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Pievienot grozam<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Devices Portable balancer & Vibration analyzer Balanset-1A €1,975.00 + VAT (if applicable) Pievienot grozam Parts Vibration sensor €90.00 + VAT (if applicable) Pievienot grozam Parts Optical Sensor (Laser Tachometer) €124.00 + VAT (if applicable) Pievienot grozam Devices Balanset-4 €6,803.00 + VAT (if applicable) Pievienot grozam Parts […]<\/p>\n","protected":false},"author":2,"featured_media":6300,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","footnotes":""},"categories":[54],"tags":[],"class_list":["post-6302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-content"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/posts\/6302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/comments?post=6302"}],"version-history":[{"count":3,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/posts\/6302\/revisions"}],"predecessor-version":[{"id":102298,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/posts\/6302\/revisions\/102298"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/media\/6300"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/media?parent=6302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/categories?post=6302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/lv\/wp-json\/wp\/v2\/tags?post=6302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}