{"id":101585,"date":"2026-05-30T21:41:00","date_gmt":"2026-05-30T21:41:00","guid":{"rendered":"https:\/\/vibromera.eu\/?page_id=101585"},"modified":"2026-07-02T19:03:50","modified_gmt":"2026-07-02T19:03:50","slug":"rolls-drums","status":"publish","type":"page","link":"https:\/\/vibromera.eu\/ro\/balancing-catalog\/rolls-drums\/","title":{"rendered":"Echilibrarea rolei \u0219i a tamburului"},"content":{"rendered":"<div class=\"vbm-cat\">\n<style>\n.vbm-cat .vbm-answer{background:#eaf1ec;border-left:4px solid #2f6e46;border-radius:4px;padding:16px 20px;margin:0 0 24px;font-size:16px;line-height:1.65;color:#16202b}\n.vbm-cat .vbm-toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 32px;padding:0}\n.vbm-cat .vbm-toc a{background:#f1f5f9;border:1px solid #cbd5e1;border-radius:999px;padding:5.6px 13.6px;font-size:13.6px;color:#1f3a5f;text-decoration:none;white-space:nowrap;transition:background .18s,color .18s}\n.vbm-cat .vbm-toc a:hover{background:#1f3a5f;color:#fff}\n.vbm-cat .vbm-kit{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;margin:24px 0}\n@media(max-width:700px){.vbm-cat .vbm-kit{grid-template-columns:1fr}}\n.vbm-cat .vbm-kit .media{margin:0}\n.vbm-cat .vbm-kit .media img{width:100%;border-radius:6px;display:block}\n.vbm-cat .vbm-kit .price{font-size:21.6px;font-weight:700;color:#b9542d;margin:8px 0 16px}\n.vbm-cat .vbm-kit .price span{font-size:13.6px;font-weight:400;color:#555}\n.vbm-cat ul.vbm-kit-list{list-style:none;margin:8px 0 20px;padding:0}\n.vbm-cat ul.vbm-kit-list li{padding:4.8px 0 4.8px 25.6px;position:relative;font-size:15.2px}\n.vbm-cat ul.vbm-kit-list li::before{content:\"\u2713\";position:absolute;left:0;color:#2f6e46;font-weight:700}\n.vbm-cat .vbm-variants{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}\n@media(max-width:600px){.vbm-cat .vbm-variants{grid-template-columns:1fr}}\n.vbm-cat .vbm-variant{border:2px solid #cbd5e1;border-radius:8px;padding:17.6px 20px}\n.vbm-cat .vbm-variant.is-primary{border-color:#b9542d;background:#faf4ef}\n.vbm-cat .vbm-variant .tag{display:inline-block;font-size:11.52px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:#b9542d;color:#fff;border-radius:3px;padding:.15em .55em;margin-bottom:8px}\n.vbm-cat .vbm-variant:not(.is-primary) .tag{background:#1f3a5f}\n.vbm-cat .vbm-variant h3{margin:4.8px 0 8px;font-size:16.8px}\n.vbm-cat .vbm-variant p{margin:0;font-size:14.4px;color:#444}\n.vbm-cat table.vbm-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.4px}\n.vbm-cat table.vbm-table caption{text-align:left;font-weight:700;margin-bottom:6.4px;color:#1f3a5f}\n.vbm-cat table.vbm-table th{background:#1f3a5f;color:#fff;padding:8.8px 12px;text-align:left}\n.vbm-cat table.vbm-table td{padding:8px 12px;border-bottom:1px solid #e2e8f0;vertical-align:top}\n.vbm-cat table.vbm-table tr:nth-child(even) td{background:#f8fafc}\n.vbm-cat table.vbm-table td.yes{color:#2f6e46;font-weight:700}\n.vbm-cat table.vbm-table td.no{color:#a32a22;font-weight:700}\n.vbm-cat .vbm-trust{display:flex;flex-wrap:wrap;gap:9.6px;margin-top:20px}\n.vbm-cat .vbm-trust span{background:#f1f5f9;border:1px solid #cbd5e1;border-radius:4px;padding:4.8px 12px;font-size:13.44px;color:#333}\n<\/style>\n<p class=\"vbm-cat-bc\"><a href=\"https:\/\/vibromera.eu\/ro\/balancing-catalog\/\">Servicii de echilibrare<\/a> &rsaquo; Cilindri &amp; tamburi<\/p>\n<div class=\"vbm-hero2\">\n<div>\n<h1>Echilibrarea cilindrilor \u0219i a tamburilor &mdash; in situ, la viteza de produc\u021bie<\/h1>\n<p class=\"lede\">Rulourile ma\u0219inilor de h\u00e2rtie, cilindrii de imprimare, cilindrii calandrelor, cilindrii usc\u0103torilor \u0219i cilindrii transportoarelor au o caracteristic\u0103 comun\u0103: chiar \u0219i o excentricitate mic\u0103 a masei genereaz\u0103 o for\u021b\u0103 centrifug\u0103 enorm\u0103 la viteza de produc\u021bie. Noi le echilibr\u0103m <strong>\u00een pozi\u021bie, la viteza de func\u021bionare<\/strong> &mdash; f\u0103r\u0103 demontare, f\u0103r\u0103 transport la un atelier &mdash; eliminarea cauzei principale a defectelor de produs, a defec\u021biunilor rulmen\u021bilor \u0219i a ruperii benzilor \u00eentr-o singur\u0103 sesiune la fa\u021ba locului.<\/p>\n<div class=\"vbm-cta-row\" style=\"justify-content:flex-start\">\n<a class=\"vbm-btn vbm-btn-primary\" href=\"https:\/\/vibromera.eu\/ro\/balanset-1a\/\">Ob\u021bine\u021bi Balanset-1A<\/a><br \/>\n<a class=\"vbm-btn vbm-btn-ghost\" href=\"https:\/\/vibromera.eu\/ro\/community\/\">\u00centreba\u021bi-l pe inginerul nostru<\/a>\n<\/div>\n<\/div>\n<figure class=\"media\"><img decoding=\"async\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2017\/12\/IMG_20170711_130717-1024x576.webp\" alt=\"Echilibrarea pe teren in situ a cilindrilor \u0219i tamburilor pe o linie de produc\u021bie cu Balanset-1A\" loading=\"lazy\"><\/figure>\n<\/div>\n<p class=\"vbm-answer\"><b>Pe scurt:<\/b> Echilibrarea cilindrilor \u0219i a tamburilor se realizeaz\u0103 in situ, la viteza normal\u0103 de produc\u021bie, utiliz\u00e2nd metoda coeficientului de influen\u021b\u0103 \u00een dou\u0103 planuri. Senzorii de vibra\u021bii de pe ambele carcase ale rulmen\u021bilor \u0219i un tahometru laser de pe arbore capteaz\u0103 starea de dezechilibru; Balanset-1A calculeaz\u0103 masa \u0219i unghiul de corec\u021bie exacte pentru fiecare cap\u0103t al cilindrului. F\u0103r\u0103 demontare, f\u0103r\u0103 oprirea liniei dincolo de montarea senzorului &mdash; majoritatea lucr\u0103rilor sunt finalizate \u00eentr-o or\u0103 \u0219i reduc vibra\u021biile cu 70&nbsp;% sau mai mult, elimin\u00e2nd defectele de calitate ale produsului \u0219i multiplic\u00e2nd durata de via\u021b\u0103 a rulmen\u021bilor cu un factor de opt sau mai mult.<\/p>\n<nav class=\"vbm-toc\">\n<a href=\"#signs\">Simptome<\/a><br \/>\n<a href=\"#why\">Cauze \u0219i costuri<\/a><br \/>\n<a href=\"#how\">Pas cu pas<\/a><br \/>\n<a href=\"#what\">Ce echilibr\u0103m<\/a><br \/>\n<a href=\"#standards\">Standarde<\/a><br \/>\n<a href=\"#device\">Balanset-1A<\/a><br \/>\n<a href=\"#compare\">C\u00e2mp vs ma\u0219in\u0103<\/a><br \/>\n<a href=\"#cases\">Cazuri reale<\/a><br \/>\n<a href=\"#calc\">Calculatoare<\/a><br \/>\n<a href=\"#faq\">\u00ceNTREB\u0102RI FRECVENTE<\/a><br \/>\n<\/nav>\n<div class=\"vbm-sec\" id=\"signs\">\n<h2>Semne c\u0103 rola sau toba ta nu este echilibrat\u0103<\/h2>\n<p>Rulourile \u0219i tamburii func\u021bioneaz\u0103 adesea ore \u00eentregi \u00eenainte ca un operator s\u0103 observe c\u0103 ceva nu este \u00een regul\u0103. Acestea sunt semnalele care arat\u0103 c\u0103 dezechilibrul este la mijloc:<\/p>\n<div class=\"vbm-signs\">\n<div><b>Banding sau dungi pe produs<\/b> Semnele periodice de suprafa\u021b\u0103 la intervale care corespund circumferin\u021bei cilindrului dezv\u0103luie varia\u021bia presiunii de contact (nip) indus\u0103 de vibra\u021bii \u00een timpul imprim\u0103rii, acoperirii sau calandr\u0103rii &mdash; un defect direct de calitate a produsului care poate fi atribuit dezechilibrului de rota\u021bie.<\/div>\n<div><b>Vibra\u021bii la 1\u00d7 RPM<\/b> Un v\u00e2rf de vibra\u021bie blocat la frecven\u021ba fundamental\u0103 a arborelui este cea mai clar\u0103 amprent\u0103 spectral\u0103 a dezechilibrului masei. Acesta cre\u0219te cu p\u0103tratul vitezei \u0219i nu dispare niciodat\u0103 \u00eentre ciclurile de produc\u021bie.<\/div>\n<div><b>Uzura rapid\u0103 a rulmen\u021bilor<\/b> Rolele care necesit\u0103 \u00eenlocuirea rulmen\u021bilor la fiecare c\u00e2teva luni suport\u0103 o sarcin\u0103 dinamic\u0103 rotativ\u0103 pentru care rulmen\u021bii nu au fost niciodat\u0103 proiecta\u021bi. \u00cenjum\u0103t\u0103\u021birea acestei sarcini multiplic\u0103 L<sub>10<\/sub> de aproximativ opt ori.<\/div>\n<div><b>Ruperi ale benzii sau erori de registru<\/b> O rol\u0103 de presare (nip) care vibreaz\u0103 destabilizeaz\u0103 tensiunea benzii \u0219i duce la ruperi, blocaje sau erori de registru \u00eentre culori \u00een liniile de imprimare \u0219i conversie.<\/div>\n<div><b>Zgomotul cre\u0219te odat\u0103 cu viteza<\/b> Un b\u00e2z\u00e2it sau un zgomot care urm\u0103re\u0219te viteza arborelui \u0219i devine mai puternic la rate de produc\u021bie mai mari indic\u0103 dezechilibrul, nu zgomotul rulmentului (care apare la frecven\u021bele caracteristice defectelor).<\/div>\n<div><b>Oboseala \u0219uruburilor de funda\u021bie<\/b> \u0218uruburile se fisureaz\u0103 sau se sl\u0103besc pe m\u0103sur\u0103 ce for\u021ba ciclic\u0103 a cilindrului dezechilibrat love\u0219te cadrul ma\u0219inii la fiecare revolu\u021bie, provoc\u00e2nd \u00een cele din urm\u0103 deteriorarea structural\u0103 a subcadrului.<\/div>\n<\/div>\n<\/div>\n<div class=\"vbm-sec\" id=\"why\">\n<h2>De ce cilindrii \u0219i tamburii \u00ee\u0219i pierd echilibrul &mdash; \u0219i c\u00e2t cost\u0103 asta<\/h2>\n<p>O rol\u0103 proasp\u0103t m\u0103cinat\u0103 p\u0103r\u0103se\u0219te atelierul cu toleran\u021be de echilibrare str\u00e2nse, dar condi\u021biile de serviciu atac\u0103 continuu aceast\u0103 stare. <b>Acoperire inegal\u0103 sau uzur\u0103 de cauciuc<\/b> pe suprafa\u021ba cilindrului redistribuie treptat masa; <b>acumularea de produse<\/b> \u0219i reziduurile uscate se acumuleaz\u0103 asimetric \u00een interiorul tamburilor goale ale usc\u0103torului; <b>acoperirea sau rectificarea<\/b> \u00eendep\u0103rteaz\u0103 materialul \u00een mod neuniform; iar deformarea termic\u0103 \u00een timpul calandr\u0103rii la cald poate deplasa centrul de mas\u0103 efectiv \u00eentre schimburile de produc\u021bie. Deoarece for\u021ba centrifug\u0103 variaz\u0103 cu <em>p\u0103trat<\/em> a vitezei unghiulare, o excentricitate sub-milimetric\u0103 care pare inofensiv\u0103 la vitez\u0103 redus\u0103 devine o sarcin\u0103 dinamic\u0103 distructiv\u0103 la tura\u021bie maxim\u0103 de produc\u021bie.<\/p>\n<p>Costurile \u00een aval ale ignor\u0103rii dezechilibrului cilindrilor se agraveaz\u0103 rapid: rulouri irosite de produse care nu corespund specifica\u021biilor, opriri neplanificate pentru schimbarea rulmen\u021bilor, cicluri de rectificare care scurteaz\u0103 durata de via\u021b\u0103 a cilindrilor \u0219i oboseal\u0103 structural\u0103 a cadrului ma\u0219inii. Echilibrarea pe teren rezolv\u0103 toate aceste probleme la surs\u0103 \u0219i, de obicei, se amortizeaz\u0103 de la prima dat\u0103 c\u00e2nd previne o oprire neplanificat\u0103.<\/p>\n<\/div>\n<div class=\"vbm-band\">\n<div class=\"vbm-stats\">\n<div class=\"vbm-stat\"><b>\u00d710<\/b><span>durata de via\u021b\u0103 a rulmen\u021bilor atunci c\u00e2nd vibra\u021biile sunt reduse la jum\u0103tate<\/span><\/div>\n<div class=\"vbm-stat\"><b>-70%<\/b><span>sc\u0103dere tipic\u0103 a vibra\u021biilor dup\u0103 o sesiune<\/span><\/div>\n<div class=\"vbm-stat\"><b>2<\/b><span>planuri corectate \u00eentr-o singur\u0103 vizit\u0103<\/span><\/div>\n<div class=\"vbm-stat\"><b>&lt;1h<\/b><span>lucrare tipic\u0103 la fa\u021ba locului<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"vbm-sec\">\n<h2>De ce reducerea la jum\u0103tate a vibra\u021biilor multiplic\u0103 durata de via\u021b\u0103 a rulmen\u021bilor<\/h2>\n<div class=\"vbm-callout\"><b>ISO 281<\/b> define\u0219te durata de via\u021b\u0103 nominal\u0103 a rulmen\u021bilor ca <b>L<sub>10<\/sub> = (C\/P)<sup>p<\/sup><\/b>, unde P este sarcina dinamic\u0103 suportat\u0103 de rulment, iar exponentul p&nbsp;=&nbsp;3 pentru rulmen\u021bii cu bile \u0219i 10\/3 pentru rulmen\u021bii cu role. Dezechilibru rezidual <em>este<\/em> aceast\u0103 sarcin\u0103 radial\u0103 rotativ\u0103 P, iar amplitudinea vibra\u021biilor o urm\u0103re\u0219te \u00een mod direct - astfel \u00eenc\u00e2t reducerea vibra\u021biilor la jum\u0103tate \u00eenjum\u0103t\u0103\u021be\u0219te P \u0219i \u00eenmul\u021be\u0219te durata de via\u021b\u0103 a rulmen\u021bilor cu 2<sup>p<\/sup>: aproximativ <b>8\u00d7 pentru rulmen\u021bii cu bile \u0219i ~10\u00d7 pentru rulmen\u021bii cu role<\/b> (2<sup>10\/3<\/sup>&nbsp;\u2248 10). Rula\u021bi propriile dvs. numere \u00een <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/bearing-load\/\">calculator de durat\u0103 de via\u021b\u0103 a rulmen\u021bilor<\/a>.<\/div>\n<\/div>\n<div class=\"vbm-sec\" id=\"how\">\n<h2>Cum echilibr\u0103m un cilindru sau un tambur &mdash; pas cu pas<\/h2>\n<p>Balanset-1A aplic\u0103 metoda coeficientului de influen\u021b\u0103 adaptat\u0103 geometriei \u0219i constr\u00e2ngerilor de acces ale instala\u021biilor cu rol\u0103 \u0219i tambur. Aceea\u0219i procedur\u0103 sistematic\u0103 poate fi efectuat\u0103 de propria echip\u0103 de \u00eentre\u021binere la fa\u021ba locului:<\/p>\n<ol class=\"vbm-steps\">\n<li><b>Monta\u021bi senzorii.<\/b> Accelerometrele de vibra\u021bii sunt fixate pe ambele carcase ale rulmen\u021bilor de cap\u0103t \u0219i un tahometru cu laser este \u00eendreptat spre o band\u0103 reflectorizant\u0103 de pe arbore sau de pe placa de cap\u0103t. Ma\u0219ina func\u021bioneaz\u0103 la viteza normal\u0103 de produc\u021bie &mdash; f\u0103r\u0103 demontare, f\u0103r\u0103 \u00eendep\u0103rtarea \u021bevilor sau a cadrului.<\/li>\n<li><b>M\u0103sura\u021bi linia de baz\u0103.<\/b> O rulare la viteza maxim\u0103 de produc\u021bie \u00eenregistreaz\u0103 amplitudinea vibra\u021biilor \u0219i unghiul de faz\u0103 \u00een ambele planuri ale rulmen\u021bilor, stabilind starea actual\u0103 de dezechilibru \u00een m\u0103rime \u0219i direc\u021bie la fiecare cap\u0103t al cilindrului.<\/li>\n<li><b>Ad\u0103uga\u021bi o greutate de prob\u0103.<\/b> O mas\u0103 de testare cunoscut\u0103 este fixat\u0103 sau \u00een\u0219urubat\u0103 \u00eentr-o pozi\u021bie unghiular\u0103 specificat\u0103 pe o plac\u0103 de cap\u0103t, pe un colier sau pe un fus al cilindrului. O a doua rulare arat\u0103 modul \u00een care fiecare plan r\u0103spunde la acea perturbare cunoscut\u0103 &mdash; coeficientul de influen\u021b\u0103 pentru acel cilindru \u0219i acea vitez\u0103.<\/li>\n<li><b>L\u0103sa\u021bi dispozitivul s\u0103 calculeze.<\/b> Balanset-1A rezolv\u0103 ecua\u021biile coeficien\u021bilor de influen\u021b\u0103 \u00een dou\u0103 planuri \u0219i emite masa de corec\u021bie \u0219i unghiul de ceas pentru fiecare cap\u0103t al corpului cilindrului sau tamburului.<\/li>\n<li><b>Potrivi\u021bi greut\u0103\u021bile de corec\u021bie.<\/b> Masele de corec\u021bie sunt \u00een\u0219urubate, sudate sau fixate \u00een pozi\u021biile calculate la ambele capete ale corpului tamburului sau ale axelor cilindrului. Greutatea de prob\u0103 este eliminat\u0103, cu excep\u021bia cazului \u00een care face parte din solu\u021bie.<\/li>\n<li><b>Verifica\u021bi \u0219i documenta\u021bi.<\/b> O rulare final\u0103 la viteza de produc\u021bie confirm\u0103 c\u0103 dezechilibrul rezidual se \u00eencadreaz\u0103 \u00een gradul ISO 21940-11 necesar pentru clasa de role \u0219i viteza de func\u021bionare. Balanset-1A genereaz\u0103 un raport care documenteaz\u0103 valorile de dezechilibru \u00eenainte \u0219i dup\u0103 pentru \u00eenregistr\u0103rile dvs. de \u00eentre\u021binere.<\/li>\n<\/ol>\n<\/div>\n<div class=\"vbm-sec\" id=\"what\">\n<h2>Ce echilibr\u0103m<\/h2>\n<ul class=\"vbm-list\">\n<li>Rulouri de presare, uscare \u0219i calandrare pentru ma\u0219ini de h\u00e2rtie<\/li>\n<li>Cilindri de imprimare \u0219i de imprimare flexografic\u0103<\/li>\n<li>Rulouri de acoperire \u0219i laminare<\/li>\n<li>Tamburi de cap \u0219i de coad\u0103 ai transportoarelor<\/li>\n<li>Rulouri acoperite cu cauciuc \u0219i placate cu poliuretan<\/li>\n<li>Cilindri de prelucrare a pielii \u0219i de \u0219tan\u021bare<\/li>\n<li>Tamburi pentru procese industriale din o\u021bel \u0219i font\u0103<\/li>\n<li>Calandru textil \u0219i rulouri de finisare<\/li>\n<li>Tamburi \u0219i cuptoare rotative de uscare<\/li>\n<li>Cilindri goi \u0219i mandrine personalizate<\/li>\n<\/ul>\n<\/div>\n<div class=\"vbm-sec\" id=\"standards\">\n<h2>Toleran\u021be \u0219i standarde<\/h2>\n<div class=\"vbm-callout\">\n<p><b>ISO 21940-11<\/b> (anterior ISO 1940-1) define\u0219te limitele de dezechilibru rezidual specific pentru rotoarele rigide \u00een func\u021bie de viteza de serviciu \u0219i de gradul de calitate G al echilibrului. Rolele de presare \u0219i de uscare ale ma\u0219inilor de h\u00e2rtie sunt \u00een mod obi\u0219nuit echilibrate la <b>G&nbsp;1.0 sau G&nbsp;2.5<\/b> deoarece chiar \u0219i vibra\u021biile mici la viteza de produc\u021bie cauzeaz\u0103 defecte m\u0103surabile ale produsului; tobele grele de transport \u0219i de proces pot fi acceptate la <b>G&nbsp;6.3<\/b>.<\/p>\n<p>Pentru cilindrii ma\u0219inilor de h\u00e2rtie, \u00een mod specific, seria <b>TAPPI TIP<\/b> seria ofer\u0103 \u00eendrum\u0103ri suplimentare privind limitele de acceptare a vibra\u021biilor cilindrilor la viteza de func\u021bionare, inclusiv marjele fa\u021b\u0103 de viteza critic\u0103 \u0219i cerin\u021bele de uniformitate a presiunii \u00een nip; cilindrii care func\u021bioneaz\u0103 peste prima lor vitez\u0103 critic\u0103 intr\u0103 suplimentar sub criteriile de echilibrare a rotoarelor flexibile din <b>ISO 21940-12<\/b> (fostul ISO 11342). Confirm\u0103m clasa ob\u021binut\u0103 \u00eentr-un raport documentat de dezechilibru rezidual, livrat la finalul fiec\u0103rei lucr\u0103ri. Utiliza\u021bi instrumentul nostru <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/paper-machine-roll-balance\/\">calculator de echilibrare a rulourilor ma\u0219inii de h\u00e2rtie<\/a> pentru a precalcula dezechilibrul rezidual admisibil pentru dimensiunile \u0219i viteza cilindrului \u00eenainte de \u00eenceperea lucrului.<\/p>\n<\/div>\n<\/div>\n<div class=\"vbm-sec\" id=\"device\">\n<h2>Balanset-1A &mdash; trusa dvs. complet\u0103 de echilibrare pe teren<\/h2>\n<p>Totul pe aceast\u0103 pagin\u0103 este realizat cu un singur instrument portabil: <a href=\"https:\/\/vibromera.eu\/ro\/balanset-1a\/\">Balanset-1A<\/a>. Este un dispozitiv de echilibrare dinamic\u0103 cu dou\u0103 canale \u0219i un analizor de vibra\u021bii care echilibreaz\u0103 rulouri \u0219i tamburi <strong>\u00een propriile lor rulmen\u021bi, la viteza de produc\u021bie<\/strong>, folosind metoda coeficientului de influen\u021b\u0103 cu 3 rul\u0103ri &mdash; software-ul calculeaz\u0103 masa de corec\u021bie \u0219i unghiul exact pentru fiecare cap\u0103t al cilindrului \u0219i salveaz\u0103 un raport documentat.<\/p>\n<div class=\"vbm-kit\">\n<figure class=\"media\"><img decoding=\"async\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/%D0%91%D0%B0%D0%BB%D0%BA%D0%BE%D0%BC%D0%9A%D0%B8%D1%82-scaled-1024x683.jpg\" alt=\"Kit complet de echilibrare Balanset-1A cu senzori, tahometru laser, c\u00e2ntar \u0219i cutie\" loading=\"lazy\"><\/figure>\n<div>\n<h3>Ce con\u021bine kitul complet<\/h3>\n<p class=\"price\">1.975 \u20ac <span>&middot; Kit complet, \u00een stoc, factur\u0103 cu TVA<\/span><\/p>\n<ul class=\"vbm-kit-list\">\n<li>Unitate de m\u0103surare a interfe\u021bei (USB, 2 canale)<\/li>\n<li>Dou\u0103 accelerometre de vibra\u021bii (cablu de 4&nbsp;m, 10&nbsp;m op\u021bional)<\/li>\n<li>Tahometru laser \/ senzor optic de faz\u0103 (50&ndash;500&nbsp;mm)<\/li>\n<li>Suport magnetic pentru senzor<\/li>\n<li>C\u00e2ntar digital pentru greut\u0103\u021bi de prob\u0103 \u0219i corec\u021bie<\/li>\n<li>Software de echilibrare \u0219i analiz\u0103 Windows<\/li>\n<li>Valiz\u0103 de transport din plastic<\/li>\n<\/ul>\n<div class=\"vbm-cta-row\" style=\"justify-content:flex-start\">\n<a class=\"vbm-btn vbm-btn-primary\" href=\"https:\/\/vibromera.eu\/ro\/balanset-1a\/\">Vizualiza\u021bi Balanset-1A<\/a><br \/>\n<a class=\"vbm-btn vbm-btn-ghost\" href=\"https:\/\/vibromera.eu\/ro\/community\/\">\u00centreba\u021bi-l pe inginerul nostru<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"vbm-variants\">\n<div class=\"vbm-variant is-primary\"><span class=\"tag\">Recomandat<\/span><\/p>\n<h3>Kit complet<\/h3>\n<p>Unitate - 2 senzori - tahometru laser - suport magnetic - c\u00e2ntar digital - software - cutie de transport. Tot ce este necesar pentru a \u00eencepe echilibrarea din cutie.<\/p>\n<\/div>\n<div class=\"vbm-variant\"><span class=\"tag\">OEM (Original Equipment Manufacturer)<\/span><\/p>\n<h3>Set OEM<\/h3>\n<p>Unitate - 2 senzori - tahometru laser - software. Pentru integratorii care au deja un stand, un c\u00e2ntar \u0219i o carcas\u0103 sau care integreaz\u0103 unitatea \u00eentr-o ma\u0219in\u0103 de echilibrat.<\/p>\n<\/div>\n<\/div>\n<table class=\"vbm-table\">\n<caption>Specifica\u021bii tehnice cheie<\/caption>\n<thead>\n<tr>\n<th>Parametru<\/th>\n<th>Valoare<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Canale de m\u0103surare<\/td>\n<td>2 (echilibrare pe un singur plan &amp; pe dou\u0103)<\/td>\n<\/tr>\n<tr>\n<td>Intervalul vitezei de vibra\u021bie<\/td>\n<td>0.2&ndash;80 mm\/s RMS<\/td>\n<\/tr>\n<tr>\n<td>Interval de frecven\u021b\u0103<\/td>\n<td>5&ndash;1000 Hz (&le;10% eroare de amplitudine peste 550&nbsp;Hz)<\/td>\n<\/tr>\n<tr>\n<td>Precizia m\u0103sur\u0103rii<\/td>\n<td>&plusmn;5% din scala complet\u0103<\/td>\n<\/tr>\n<tr>\n<td>Metod\u0103<\/td>\n<td>Coeficient de influen\u021b\u0103 cu 3 runde (1 sau 2 planuri)<\/td>\n<\/tr>\n<tr>\n<td>Analiz\u0103<\/td>\n<td>Amplitudine \u0219i faz\u0103 la 1&times;, spectru FFT \u0219i form\u0103 de und\u0103, rapoarte salvate<\/td>\n<\/tr>\n<tr>\n<td>Laptop<\/td>\n<td>Nu este inclus (Windows PC, disponibil la cerere)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"vbm-trust\"><span><b>&#10003;<\/b> \u00cen stoc<\/span><span><b>&#10003;<\/b> DHL Portugalia &euro;35<\/span><span><b>&#10003;<\/b> DHL \u00een \u00eentreaga lume &euro;110<\/span><span><b>&#10003;<\/b> Garan\u021bie de 2 ani<\/span><span><b>&#10003;<\/b> Factura TVA<\/span><span><b>&#10003;<\/b> Asisten\u021b\u0103 pentru ingineri<\/span><\/div>\n<\/div>\n<div class=\"vbm-sec\" id=\"compare\">\n<h2>Echilibrare pe teren vs ma\u0219in\u0103 de echilibrat &mdash; care este cea mai potrivit\u0103 pentru cilindrul dumneavoastr\u0103?<\/h2>\n<table class=\"vbm-table\">\n<caption>Compara\u021bie: echilibrare pe teren in situ vs. ma\u0219in\u0103 dedicat\u0103 pentru echilibrarea rulourilor<\/caption>\n<thead>\n<tr>\n<th>Factor<\/th>\n<th>Echilibrarea c\u00e2mpului (Balanset-1A)<\/th>\n<th>Ma\u0219in\u0103 de echilibrat (atelier)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Rol\u0103 scoas\u0103 din linie?<\/td>\n<td class=\"yes\">Nu &mdash; func\u021bioneaz\u0103 pe loc<\/td>\n<td class=\"no\">Da &mdash; este necesar\u0103 demontarea complet\u0103<\/td>\n<\/tr>\n<tr>\n<td>Oprirea liniei de produc\u021bie?<\/td>\n<td>Numai montarea senzorului (&lt;15 min)<\/td>\n<td>Ore p\u00e2n\u0103 la zile (demontare, transport, echilibrare, reinstalare)<\/td>\n<\/tr>\n<tr>\n<td>Viteza de echilibrare<\/td>\n<td>Viteza &amp; temperatura reale de produc\u021bie<\/td>\n<td>Ax separat cu vitez\u0103 redus\u0103, la temperatura camerei<\/td>\n<\/tr>\n<tr>\n<td>\u021aine cont de distorsiunile termice<\/td>\n<td class=\"yes\">Da &mdash; echilibrat la temperatura de func\u021bionare<\/td>\n<td class=\"no\">Nu &mdash; numai \u00een stare rece<\/td>\n<\/tr>\n<tr>\n<td>\u021aine cont de flexia arborelui\/cuplajului<\/td>\n<td class=\"yes\">Da &mdash; ansamblul complet echilibrat \u00een rulmen\u021bi proprii<\/td>\n<td class=\"no\">Numai corpul cilindrului<\/td>\n<\/tr>\n<tr>\n<td>Standarde \u00eendeplinite<\/td>\n<td>ISO 21940-11, TAPPI TIP<\/td>\n<td>ISO 21940-11<\/td>\n<\/tr>\n<tr>\n<td>Costul echipamentului<\/td>\n<td>&euro;1.975 (kit complet)<\/td>\n<td>\u20ac15,000 - \u20ac80,000+<\/td>\n<\/tr>\n<tr>\n<td>Timp tipic de lucru<\/td>\n<td>&lt;1 or\u0103 la fa\u021ba locului<\/td>\n<td>1&ndash;3 zile \u00een total<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Echilibrarea pe teren este alegerea preferat\u0103 ori de c\u00e2te ori cilindrul poate func\u021biona \u0219i criteriul rigidit\u0103\u021bii rotorului este \u00eendeplinit. O ma\u0219in\u0103 de atelier r\u0103m\u00e2ne adecvat\u0103 pentru rulourile nou-construite pentru care nu este disponibil\u0103 nicio perioad\u0103 de func\u021bionare sau pentru rulourile cu instabilitate termic\u0103 at\u00e2t de grav\u0103 \u00eenc\u00e2t nu pot atinge o stare de echilibru stabil la temperatura de func\u021bionare f\u0103r\u0103 repara\u021bii structurale prealabile.<\/p>\n<\/div>\n<div class=\"vbm-sec\" id=\"cases\">\n<h2>Cazuri reale de echilibrare a rolelor<\/h2>\n<div class=\"vbm-cases\">\n<a class=\"vbm-case\" href=\"https:\/\/vibromera.eu\/ro\/exemplu\/echilibrarea-rotorului-masinii-pentru-procesarea-pielei\/\"><img decoding=\"async\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2017\/12\/IMG_20170711_130717-1024x576.webp\" alt=\"Echilibrarea c\u00e2mpului \u00een dou\u0103 planuri a rolelor de prelucrare a pielii pentru a elimina defectele de suprafa\u021b\u0103 ale produselor\" loading=\"lazy\"><\/p>\n<div class=\"body\">\n<h3>Rulou de prelucrare a pielii<\/h3>\n<p>Echilibrarea pe dou\u0103 planuri a unui cilindru de prelucrare a pielii, elimin\u00e2nd defectele de suprafa\u021b\u0103 ale produsului \u0219i pun\u00e2nd cap\u0103t defec\u021biunilor repetate ale rulmen\u021bilor.<\/p>\n<\/div>\n<p><\/a>\n<\/div>\n<\/div>\n<div class=\"vbm-sec\" id=\"calc\">\n<h2>Calculatoare gratuite Roll &amp; Drum<\/h2>\n<div class=\"vbm-chips\">\n<a href=\"https:\/\/vibromera.eu\/ro\/calculators\/paper-machine-roll-balance\/\">Echilibrul rolei ma\u0219inii de h\u00e2rtie<\/a><br \/>\n<a href=\"https:\/\/vibromera.eu\/ro\/calculators\/residual-unbalance-iso1940\/\">Dezechilibru rezidual (ISO 1940)<\/a><br \/>\n<a href=\"https:\/\/vibromera.eu\/ro\/calculators\/trial-weight-calculator\/\">Calculator de greutate de prob\u0103<\/a><br \/>\n<a href=\"https:\/\/vibromera.eu\/ro\/calculators\/centrifugal-force-unbalance\/\">For\u021ba centrifug\u0103 din cauza dezechilibrului<\/a><br \/>\n<a href=\"https:\/\/vibromera.eu\/ro\/calculators\/bearing-load\/\">Calculator de durat\u0103 de via\u021b\u0103 a rulmen\u021bilor<\/a>\n<\/div>\n<\/div>\n<div class=\"vbm-sec\">\n<h2>\u00cenv\u0103\u021ba\u021bi teoria<\/h2>\n<div class=\"vbm-chips blue\">\n<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrarea-campului\/\">Echilibrare pe teren<\/a><br \/>\n<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/two-plane-balancing\/\">Echilibrarea pe dou\u0103 planuri<\/a><br \/>\n<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/dynamic-balancing\/\">Echilibrarea dinamic\u0103<\/a><br \/>\n<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/balance-quality\/\">Clasele de calitate a echilibr\u0103rii<\/a><br \/>\n<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/residual-unbalance\/\">Dezechilibru rezidual<\/a>\n<\/div>\n<\/div>\n<div class=\"vbm-sec vbm-faq\" id=\"faq\">\n<h2>\u00centreb\u0103ri frecvente despre echilibrarea rolei &amp; a tamburului<\/h2>\n<details>\n<summary>Poate fi echilibrat\u0103 o rol\u0103 f\u0103r\u0103 a o scoate din ma\u0219in\u0103?<\/summary>\n<div class=\"ans\">Da. Echilibrarea pe teren se face cu cilindrul rul\u00e2nd \u00een propriile rulmen\u021bi \u0219i carcase la viteza normal\u0103 de produc\u021bie. F\u0103r\u0103 demontare, f\u0103r\u0103 trimiterea rolei la un atelier. Pentru montarea senzorilor este necesar accesul la ambele carcase ale rulmen\u021bilor de cap\u0103t \u0219i trebuie s\u0103 existe o modalitate de fixare a greut\u0103\u021bilor de corec\u021bie la fiecare cap\u0103t al cilindrului &mdash; de obicei prinse cu \u0219uruburi sau prinse de o plac\u0103 de cap\u0103t, de un colier sau de un pivot.<\/div>\n<\/details>\n<details>\n<summary>De ce vibreaz\u0103 mai mult o rol\u0103 proasp\u0103t acoperit\u0103 dec\u00e2t cea veche?<\/summary>\n<div class=\"ans\">Re\u00eenvelirea sau rectificarea \u00eendep\u0103rteaz\u0103 \u0219i adaug\u0103 cauciuc sau strat de acoperire \u00een propor\u021bii variabile \u00een jurul circumferin\u021bei, deplas\u00e2nd cu u\u0219urin\u021b\u0103 centrul de mas\u0103 cu c\u00e2teva zecimi de milimetru. Echilibrarea dup\u0103 orice opera\u021biune de acoperire sau rectificare este o practic\u0103 standard \u0219i este recomandat\u0103 explicit \u00een ISO 21940-11. Balanset-1A face ca aceast\u0103 procedur\u0103 s\u0103 se desf\u0103\u0219oare rapid pe ma\u0219in\u0103, mai degrab\u0103 dec\u00e2t s\u0103 necesite o deplasare \u00een atelier.<\/div>\n<\/details>\n<details>\n<summary>Ce grad de echilibru este necesar pentru un cilindru de imprimare?<\/summary>\n<div class=\"ans\">Cilindrii de imprimare de mare vitez\u0103 necesit\u0103, de obicei, ISO 21940-11 clasa G&nbsp;1.0, deoarece chiar \u0219i un dezechilibru rezidual mic produce o varia\u021bie a presiunii de str\u00e2ngere care apare ca un model de band\u0103 repetat\u0103 pe produsul imprimat. Utiliza\u021bi <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/residual-unbalance-iso1940\/\">calculator de dezechilibru rezidual<\/a> pentru a stabili toleran\u021ba exact\u0103 pentru diametrul cilindrului, lungimea \u0219i viteza de rulare \u00eenainte de a \u00eencepe lucrarea.<\/div>\n<\/details>\n<details>\n<summary>Tamburul transportoarelor noastre vibreaz\u0103, dar banda arat\u0103 bine &mdash; este tamburul de vin\u0103?<\/summary>\n<div class=\"ans\">Nu neap\u0103rat. \u00cen primul r\u00e2nd, confirma\u021bi c\u0103 v\u00e2rful de vibra\u021bie este exact la 1\u00d7 RPM &mdash; o frecven\u021b\u0103 propor\u021bional\u0103 cu viteza arborelui. Vibra\u021biile la frecven\u021ba curelei, nealinierea (2\u00d7 RPM) \u0219i defectele rulmen\u021bilor produc modele spectrale diferite. Balanset-1A m\u0103soar\u0103 at\u00e2t amplitudinea, c\u00e2t \u0219i faza, astfel \u00eenc\u00e2t s\u0103 pute\u021bi confirma sursa \u00eenainte de a ad\u0103uga orice greutate de corec\u021bie, evit\u00e2nd interven\u021biile inutile.<\/div>\n<\/details>\n<details>\n<summary>C\u00e2t dureaz\u0103 o lucrare tipic\u0103 de echilibrare a rulourilor?<\/summary>\n<div class=\"ans\">Majoritatea lucr\u0103rilor cu o singur\u0103 rol\u0103 sunt finalizate \u00een mai pu\u021bin de o or\u0103: o execu\u021bie de baz\u0103, o execu\u021bie de \u00eencercare a greut\u0103\u021bii, ajustarea corec\u021biilor \u0219i o execu\u021bie de verificare. Rulourile late cu dezechilibru ini\u021bial sever pot necesita o a doua itera\u021bie, dar dou\u0103 itera\u021bii sunt de obicei finalizate \u00eentr-o fereastr\u0103 normal\u0103 de \u00eentre\u021binere, f\u0103r\u0103 a perturba programul de produc\u021bie.<\/div>\n<\/details>\n<details>\n<summary>Putem s\u0103 o facem noi \u00een\u0219ine cu Balanset-1A?<\/summary>\n<div class=\"ans\">Da. Balanset-1A este proiectat pentru a fi utilizat de echipele de \u00eentre\u021binere f\u0103r\u0103 preg\u0103tire specializat\u0103 \u00een domeniul vibra\u021biilor. V\u0103 ghideaz\u0103 pe parcursul fiec\u0103rei runde de m\u0103surare, rezolv\u0103 automat ecua\u021biile coeficien\u021bilor de influen\u021b\u0103 \u00een dou\u0103 planuri \u0219i emite masa de corec\u021bie \u0219i unghiul pentru fiecare cap\u0103t de rol\u0103. Documenta\u021bie software complet\u0103 \u0219i site-ul nostru <a href=\"https:\/\/vibromera.eu\/ro\/community\/\">forum comunitar<\/a> sunt disponibile \u00een cazul \u00een care v\u0103 confrunta\u021bi cu o geometrie neobi\u0219nuit\u0103 a cilindrului sau dori\u021bi s\u0103 verifica\u021bi abordarea dumneavoastr\u0103 cu un inginer.<\/div>\n<\/details>\n<\/div>\n<div class=\"vbm-band\">\n<h2>Echilibra\u021bi rolele \u0219i tamburii &mdash; pe loc, la viteza de produc\u021bie<\/h2>\n<p>Balanset-1A efectueaz\u0103 o echilibrare de c\u00e2mp \u00een dou\u0103 planuri pe orice rol\u0103 sau tambur la viteza de produc\u021bie, calculeaz\u0103 masa de corec\u021bie \u0219i unghiul exact pentru fiecare cap\u0103t \u0219i ofer\u0103 un rezultat documentat al dezechilibrului rezidual conform ISO 21940-11. F\u0103r\u0103 demontare, f\u0103r\u0103 transport la un atelier, f\u0103r\u0103 pierderi de produc\u021bie &mdash; doar produse de calitate constant\u0103, utilaje mai silen\u021bioase \u0219i rulmen\u021bi care dureaz\u0103.<\/p>\n<div class=\"vbm-cta-row\">\n<a class=\"vbm-btn vbm-btn-primary\" href=\"https:\/\/vibromera.eu\/ro\/balanset-1a\/\">Vizualiza\u021bi Balanset-1A<\/a><br \/>\n<a class=\"vbm-btn vbm-btn-ghost\" href=\"https:\/\/vibromera.eu\/ro\/community\/\">Adresa\u021bi o \u00eentrebare pe forum<\/a>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Balancing services &rsaquo; Rolls &amp; Drums Roll &amp; Drum Balancing &mdash; In-Situ, at Production Speed Paper-machine rolls, printing cylinders, calender drums, dryer rolls and conveyor drums share one characteristic: even a small mass eccentricity generates enormous centrifugal force at production speed. We balance them in place, at operating speed &mdash; [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"parent":101558,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ai_generated_summary":"","footnotes":""},"class_list":["post-101585","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/pages\/101585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/types\/page"}],"replies":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/comments?post=101585"}],"version-history":[{"count":5,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/pages\/101585\/revisions"}],"predecessor-version":[{"id":102093,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/pages\/101585\/revisions\/102093"}],"up":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/pages\/101558"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=101585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}