{"id":192,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/phase\/"},"modified":"2026-05-23T22:37:52","modified_gmt":"2026-05-23T22:37:52","slug":"phase","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/phase\/","title":{"rendered":"Co je f\u00e1ze ve vibra\u010dn\u00ed anal\u00fdze?"},"content":{"rendered":"

F\u00e1ze ve vibra\u010dn\u00ed anal\u00fdze \u2013 vysv\u011btlen\u00ed<\/h1>\n\t\t
\n\t\t\t\t\t\t
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\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Kompletn\u00ed\t\t\t\t\t\t\t\t\t<\/a>\n\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\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tZa\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tP\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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
\n\n\t\t\t\t\t\t\t\t\t

\u20ac<\/span>1,975.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t<\/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>P\u0159idat do ko\u0161\u00edku<\/a>\t\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Sn\u00edma\u010d\t\t\t\t\t\t\t\t\t<\/a>\n\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\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tD\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tSn\u00edma\u010d vibrac\u00ed<\/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
\n\n\t\t\t\t\t\t\t\t\t

\u20ac<\/span>90.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t<\/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>P\u0159idat do ko\u0161\u00edku<\/a>\t\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Optick\u00fd\t\t\t\t\t\t\t\t\t<\/a>\n\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\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tD\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tOptick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/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
\n\n\t\t\t\t\t\t\t\t\t

\u20ac<\/span>124.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t<\/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>P\u0159idat do ko\u0161\u00edku<\/a>\t\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Sada\t\t\t\t\t\t\t\t\t<\/a>\n\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\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tZa\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tBalanset-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
\n\n\t\t\t\t\t\t\t\t\t

\u20ac<\/span>6,803.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t<\/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>P\u0159idat do ko\u0161\u00edku<\/a>\t\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>
\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Magnetick\u00e1\t\t\t\t\t\t\t\t\t<\/a>\n\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\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tD\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tMagnetick\u00fd stojan 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
\n\n\t\t\t\t\t\t\t\t\t

\u20ac<\/span>46.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t<\/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>P\u0159idat do ko\u0161\u00edku<\/a>\t\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Reflexn\u00ed\t\t\t\t\t\t\t\t\t<\/a>\n\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\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tD\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tReflexn\u00ed p\u00e1ska<\/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
\n\n\t\t\t\t\t\t\t\t\t

\u20ac<\/span>10.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t<\/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>P\u0159idat do ko\u0161\u00edku<\/a>\t\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Obsah\t\t\t\t\t\t\t\t\t<\/a>\n\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\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tZa\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tDynamick\u00fd vyva\u017eova\u010d \"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
\n\n\t\t\t\t\t\t\t\t\t

\u20ac<\/span>1,735.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t<\/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>P\u0159idat do ko\u0161\u00edku<\/a>\t\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\n

F\u00e1ze<\/strong> popisuje \u010dasov\u00fd vztah mezi dv\u011bma sign\u00e1ly nebo \u2014 u\u017eite\u010dn\u011bji v oblasti rota\u010dn\u00edch stroj\u016f \u2014 \u010dasov\u00e1n\u00ed vibrace<\/a> sign\u00e1lu v\u016f\u010di pevn\u00e9 referen\u010dn\u00ed zna\u010dce na rotuj\u00edc\u00ed h\u0159\u00eddeli. Odpov\u00edd\u00e1 na ot\u00e1zku, kde<\/em> kde v ot\u00e1\u010dce doch\u00e1z\u00ed k vibrac\u00edm, p\u0159i\u010dem\u017e se b\u011b\u017en\u011b m\u011b\u0159\u00ed ve stupn\u00edch od 0\u00b0 do 360\u00b0, tedy jednu plnou ot\u00e1\u010dku h\u0159\u00eddele. Pokud amplituda<\/a> tells you Kolik<\/em> stroj vibruje a frekvence<\/a> tells you jak rychle<\/em>, f\u00e1ze v\u00e1m \u0159\u00edk\u00e1 jak se pohybuje<\/em> \u2014 a pr\u00e1v\u011b to odli\u0161uje z\u00e1vady, kter\u00e9 sd\u00edlej\u00ed stejnou frekvenci.<\/p>\n

Tento posledn\u00ed bod je j\u00e1drem toho, pro\u010d f\u00e1ze hraje kl\u00ed\u010dovou roli. Nevyv\u00e1\u017eenost<\/a>, nesouosost<\/a>, a ohnut\u00e1 h\u0159\u00eddel<\/a> a v\u016fle<\/a> mohou v\u0161echny zvy\u0161ovat amplitudu 1\u00d7 provozn\u00ed ot\u00e1\u010dky<\/a> peak; f\u00e1ze je \u010dasto jedin\u00fdm zp\u016fsobem, jak je od sebe odli\u0161it bez demont\u00e1\u017ee stroje.<\/p>\n

1. Jak se m\u011b\u0159\u00ed f\u00e1ze<\/h2>\n

K ode\u010dten\u00ed f\u00e1ze jsou pot\u0159eba dva sign\u00e1ly:<\/p>\n

    \n
  1. Sign\u00e1l vibrac\u00ed<\/strong> \u2014 prim\u00e1rn\u00ed m\u011b\u0159en\u00ed z akcelerometr<\/a> nebo bezdotykov\u00e1 sonda<\/a> sleduj\u00edc\u00edho pohyb stroje.<\/li>\n
  2. Referen\u010dn\u00ed sign\u00e1l<\/strong> \u2014 \u010dasovac\u00ed impuls jednou za ot\u00e1\u010dku z tachometr<\/a>, nam\u00ed\u0159en\u00e9ho na prou\u017eek reflexn\u00ed p\u00e1ska<\/a> nebo na dr\u00e1\u017eku pro pero, aby vyslal \u010dist\u00fd impuls poka\u017ed\u00e9, kdy\u017e referen\u010dn\u00ed zna\u010dka projde kolem sn\u00edma\u010de. Funk\u010dn\u011b jde o stejnou roli, jakou pln\u00ed trvale instalovan\u00fd Keyphasor<\/a>.<\/li>\n<\/ol>\n

    Na str\u00e1nk\u00e1ch analyz\u00e1tor vibrac\u00ed<\/a> pak m\u011b\u0159\u00ed \u010dasov\u00e9 zpo\u017ed\u011bn\u00ed mezi referen\u010dn\u00edm impulsem a prvn\u00edm kladn\u00fdm vrcholem vibra\u010dn\u00edho sign\u00e1lu na zvolen\u00e9 frekvenci \u2014 obvykle 1\u00d7 ot\u00e1\u010dkov\u00e1 rychlost \u2014 a p\u0159ev\u00e1d\u00ed toto zpo\u017ed\u011bn\u00ed na \u00fahel. Ode\u010det 90\u00b0 nap\u0159\u00edklad znamen\u00e1, \u017ee vrchol vibrace nastane \u010dtvrt ot\u00e1\u010dky po pr\u016fchodu referen\u010dn\u00ed zna\u010dky kolem tachometru. Proto\u017ee v\u00fdsledek je sv\u00e1z\u00e1n s konkr\u00e9tn\u00ed frekvenc\u00ed, b\u00fdv\u00e1 f\u00e1ze nej\u010dast\u011bji uv\u00e1d\u011bna spole\u010dn\u011b se slo\u017ekou 1\u00d7; stejn\u00e1 my\u0161lenka, zobecn\u011bn\u00e1 p\u0159es cel\u00e9 spektrum, tvo\u0159\u00ed z\u00e1klad toho, co d\u011bl\u00e1 f\u00e1zov\u00fd \u00fahel<\/a> stavebn\u00edm kamenem graf\u016f, jako je Bode<\/a> a Nyquist<\/a> diagrams.<\/p>\n

    2. Diagnostick\u00e1 s\u00edla f\u00e1ze<\/h2>\n

    F\u00e1ze je mnohem v\u00edce ne\u017e jen \u010d\u00edslo. Porovn\u00e1v\u00e1n\u00edm ode\u010dt\u016f nam\u011b\u0159en\u00fdch v r\u016fzn\u00fdch m\u00edstech stroje, ve stejn\u00e9m sm\u011bru m\u011b\u0159en\u00ed, m\u016f\u017ee analytik s vysokou jistotou potvrdit nebo vylou\u010dit konkr\u00e9tn\u00ed diagn\u00f3zy. Opakuj\u00edc\u00ed se t\u00e9ma spo\u010d\u00edv\u00e1 v porovn\u00e1n\u00ed dvou m\u00edst: pokud se pohybuj\u00ed together<\/em> obraz ukazuje jedn\u00edm sm\u011brem; pokud se pohybuj\u00ed opposition<\/em> ukazuje to jin\u00fdm sm\u011brem. N\u00ed\u017ee uveden\u00e9 podkapitoly popisuj\u00ed klasick\u00e9 vzory.<\/p>\n

    Potvrzen\u00ed nevyv\u00e1\u017een\u00ed<\/h3>\n

    \u010cist\u00e1 nev\u00fdvaha d\u00e1v\u00e1 podobn\u00e9 ode\u010dty f\u00e1ze \u2014 obvykle v rozmez\u00ed p\u0159ibli\u017en\u011b \u00b130\u00b0 \u2014 p\u0159i m\u011b\u0159en\u00ed ve stejn\u00e9m radi\u00e1ln\u00edm sm\u011bru (nap\u0159\u00edklad horizont\u00e1ln\u00edm) na obou lo\u017eisc\u00edch rotoru. Cel\u00fd rotor je v dan\u00e9m okam\u017eiku t\u011b\u017ek\u00fdm m\u00edstem tah\u00e1n jedn\u00edm sm\u011brem, tak\u017ee oba konce se pohybuj\u00ed ve shod\u011b. Porovn\u00e1n\u00ed horizont\u00e1ln\u00edho a vertik\u00e1ln\u00edho ode\u010dtu na jednom lo\u017eisku p\u0159id\u00e1v\u00e1 dal\u0161\u00ed vod\u00edtko: skute\u010dn\u00e1 nev\u00fdvaha m\u00e1 tendenci vykazovat p\u0159ibli\u017en\u011b 90\u00b0 rozd\u00edl mezi nimi.<\/p>\n

    Diagnostika nesouososti<\/h3>\n

    F\u00e1ze je jedn\u00edm z nejspolehliv\u011bj\u0161\u00edch zp\u016fsob\u016f, jak potvrdit h\u0159\u00eddel nesouosost<\/a>. Prove\u010fte m\u011b\u0159en\u00ed axi\u00e1ln\u00ed f\u00e1ze na obou stran\u00e1ch spojka<\/a>: f\u00e1zov\u00fd posun 180\u00b0 (\u00b130\u00b0) p\u0159es n\u011bj je u\u010debnicov\u00fdm p\u0159\u00edznakem \u00fahlov\u00e9ho nevyrovn\u00e1n\u00ed, kter\u00fd ukazuje, \u017ee kdy\u017e se jedna h\u0159\u00eddel pohybuje axi\u00e1ln\u011b ven, druh\u00e1 se pohybuje dovnit\u0159 \u2014 k\u00fdvav\u00fd, houpav\u00fd pohyb na spojce.<\/p>\n

    Rozli\u0161en\u00ed nevyv\u00e1\u017een\u00ed od ohnut\u00e9 h\u0159\u00eddele<\/h3>\n

    Jak nevyv\u00e1\u017een\u00ed, tak ohnut\u00e1 h\u0159\u00eddel<\/a> zvy\u0161uj\u00ed vibrace 1\u00d7, p\u0159esto je f\u00e1ze dok\u00e1\u017ee rozli\u0161it. M\u011b\u0159en\u00ed axi\u00e1ln\u00ed f\u00e1ze proveden\u00e1 na obou konc\u00edch t\u00e9ho\u017e h\u0159\u00eddele motoru nebo \u010derpadla, kter\u00e1 se li\u0161\u00ed p\u0159ibli\u017en\u011b o 180\u00b0, signalizuj\u00ed prohnut\u00ed: konce se pohybuj\u00ed v opa\u010dn\u00fdch axi\u00e1ln\u00edch sm\u011brech, jak se ohyb ot\u00e1\u010d\u00ed.<\/p>\n

    Identifikace uvoln\u011bn\u00ed nebo praskl\u00e9ho z\u00e1kladu<\/h3>\n

    Jsou-li hodnoty f\u00e1ze nepravideln\u00e9, nestabiln\u00ed nebo neopakovateln\u00e9, obvykl\u00fdm podez\u0159el\u00fdm b\u00fdv\u00e1 mechanick\u00e1 v\u016fle<\/a> V\u00fdrazn\u00e1 zm\u011bna f\u00e1ze p\u0159i p\u0159em\u00edst\u011bn\u00ed sondy z patky stroje na z\u00e1kladovou desku, nebo ze z\u00e1kladov\u00e9 desky na z\u00e1klad, poukazuje na uvoln\u011bn\u00fd kotevn\u00ed \u0161roub nebo na praskl\u00fd z\u00e1klad \u2014 a nazna\u010duje nedostate\u010dnou tuhost z\u00e1klad\u016f<\/a>.<\/p>\n

    Potvrzen\u00ed rezonance<\/h3>\n

    P\u0159i rozb\u011bhu nebo dob\u011bhu stroje p\u0159es kritick\u00e1 rychlost<\/a>, f\u00e1ze 1\u00d7 vykazuje charakteristick\u00fd posun 90\u00b0 p\u0159esn\u011b na rezonance<\/a> vrcholu a pln\u00fd posun 180\u00b0 v cel\u00e9 oblasti rezonance. Sledov\u00e1n\u00ed tohoto v\u00fdkyvu \u2014 snadno zachycen\u00e9ho p\u0159i dojezd<\/a> \u2014 je jednozna\u010dn\u00fdm zp\u016fsobem, jak potvrdit rezonanci sp\u00ed\u0161e ne\u017e probl\u00e9m s bud\u00edc\u00ed silou.<\/p>\n

    3. Stru\u010dn\u00fd p\u0159ehled f\u00e1zov\u00fdch vzor\u016f<\/h2>\n\n\n\n\n\n\n\n
    Observation<\/th>\nPravd\u011bpodobn\u00e1 diagn\u00f3za<\/th>\n<\/tr>\n
    Ob\u011b lo\u017eiska ve f\u00e1zi, stejn\u00fd radi\u00e1ln\u00ed sm\u011br<\/td>\nNevyv\u00e1\u017eenost<\/td>\n<\/tr>\n
    \u2248180\u00b0 p\u0159es spojku, axi\u00e1ln\u011b<\/td>\n\u00dahlov\u00e1 nesouosost<\/td>\n<\/tr>\n
    \u2248180\u00b0 p\u0159es oba konce jedn\u00e9 h\u0159\u00eddele, axi\u00e1ln\u011b<\/td>\nOhnut\u00fd \/ prohnut\u00fd h\u0159\u00eddel<\/td>\n<\/tr>\n
    Nestabiln\u00ed, neopakovateln\u00e1 f\u00e1ze<\/td>\nMechanick\u00e1 v\u016fle<\/td>\n<\/tr>\n
    Posun 90\u00b0 na vrcholu, 180\u00b0 v cel\u00e9 oblasti<\/td>\nRezonance \/ kritick\u00e9 ot\u00e1\u010dky<\/td>\n<\/tr>\n<\/table>\n

    Tato pravidla jsou vod\u00edtky, nikoli z\u00e1rukami: potvr\u010fte amplitudou, tvarem spektra a harmonick\u00e1<\/a> obsahem, ne\u017e se rozhodnete pro opravu.<\/p>\n

    4. F\u00e1ze jako kl\u00ed\u010d k vyva\u017eov\u00e1n\u00ed<\/h2>\n

    F\u00e1ze je nepostradateln\u00e1 pro vyva\u017eov\u00e1n\u00ed rotoru<\/a>. Hodnota f\u00e1ze 1\u00d7 ukazuje p\u0159\u00edmo na \u00fahlovou polohu t\u011b\u017ek\u00e9ho m\u00edsta v\u016f\u010di referen\u010dn\u00ed zna\u010dce a p\u0159esn\u011b \u0159\u00edk\u00e1 technikovi, kde p\u0159idat nebo odebrat korek\u010dn\u00ed hmotnost<\/a>. V praxi analyz\u00e1tor zaznamen\u00e1 amplitudu a f\u00e1zi p\u0159ed t\u00edm, ne\u017e je zku\u0161ebn\u00ed hmotnost<\/a> namontov\u00e1n, op\u011bt pot\u00e9, a pomoc\u00ed zm\u011bny vypo\u010d\u00edt\u00e1 koeficienty vlivu<\/a> hodnoty, kter\u00e9 ur\u010d\u00ed v\u00fdslednou korekci. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd p\u0159\u00edstroj, jako je Balanset-1A<\/a> prov\u00e1d\u00ed toto m\u011b\u0159en\u00ed amplitudy a f\u00e1ze ve vlastn\u00edch lo\u017eisc\u00edch stroje p\u0159i provozn\u00ed rychlosti, pot\u00e9 ov\u011b\u0159\u00ed zbytkov\u00e1 nevyv\u00e1\u017eenost<\/a> po nasazen\u00ed z\u00e1va\u017e\u00ed. Pro v\u00fdpo\u010det \u00fahlov\u00e9ho rozd\u011blen\u00ed, kdy\u017e mus\u00ed b\u00fdt korekce rozd\u011blena mezi z\u00e1va\u017e\u00ed, n\u00e1\u0161 Kalkula\u010dka \u00fahlu f\u00e1ze vibrac\u00ed<\/a> zpracov\u00e1v\u00e1 vektorovou geometrii.<\/p>\n

    5. Pro\u010d f\u00e1ze dokresluje celkov\u00fd obraz<\/h2>\n

    Bez f\u00e1ze vid\u00ed analytik vibrac\u00ed pouze \u010d\u00e1st p\u0159\u00edb\u011bhu \u2014 velikosti a frekvence, ale \u017e\u00e1dnou p\u0159edstavu o tom, jak se konstrukce skute\u010dn\u011b deformuje p\u0159i ka\u017ed\u00e9 ot\u00e1\u010dce. F\u00e1ze dod\u00e1v\u00e1 chyb\u011bj\u00edc\u00ed kontext, p\u0159em\u011b\u0148uje seznam \u0161pi\u010dek v jasn\u00e9 vyj\u00e1d\u0159en\u00ed pohybu a v\u00fdrazn\u011b zvy\u0161uje spolehlivost diagnostiky. Je to rozd\u00edl mezi t\u00edm, v\u011bd\u011bt, \u017ee stroj vibruje, a v\u011bd\u011bt pro\u010d. Z tohoto d\u016fvodu pat\u0159\u00ed f\u00e1ze do ka\u017ed\u00e9 seri\u00f3zn\u00ed diagnostiky a je nezbytn\u00fdm z\u00e1kladem ter\u00e9nn\u00edho vyva\u017eov\u00e1n\u00ed<\/a>.<\/p>\n

    \n

    \u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"

    Pr\u016fvodce f\u00e1zovou anal\u00fdzou p\u0159i monitorov\u00e1n\u00ed vibrac\u00ed. Zjist\u011bte, co je f\u00e1ze, jak se m\u011b\u0159\u00ed pomoc\u00ed ot\u00e1\u010dkom\u011bru a jak\u00e1 je jej\u00ed kl\u00ed\u010dov\u00e1 role p\u0159i diagnostice poruch, jako je nevyv\u00e1\u017eenost a nesouosost.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-192","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/192\/revisions"}],"predecessor-version":[{"id":101296,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/192\/revisions\/101296"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}