{"id":2193,"date":"2023-04-08T00:09:07","date_gmt":"2023-04-08T00:09:07","guid":{"rendered":"https:\/\/vibromera.eu\/?p=2193"},"modified":"2026-07-03T10:49:02","modified_gmt":"2026-07-03T10:49:02","slug":"despre-experienta-echilibrarii-arborelui-cardan-direct-pe-motor-grader","status":"publish","type":"post","link":"https:\/\/vibromera.eu\/ro\/example\/about-the-experience-of-balancing-the-cardan-shaft-directly-on-the-motor-grader\/","title":{"rendered":"Despre experien\u021ba de echilibrare a arborelui cardanic direct pe autogreder."},"content":{"rendered":"

<\/p>\n\n\n\n

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\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Balanset-1A\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\tDispozitive<\/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\tEchilibrator portabil \u0219i analizor de vibra\u021bii 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
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\u20ac<\/span>1,975.00<\/span> + TVA (dac\u0103 este cazul)<\/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>Adaug\u0103 \u00een co\u0219<\/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
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\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Prim-plan\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\tPiese<\/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\tSenzor de vibra\u021bii<\/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
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\u20ac<\/span>90.00<\/span> + TVA (dac\u0103 este cazul)<\/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>Adaug\u0103 \u00een co\u0219<\/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
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\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\"Senzor\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\tPiese<\/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\tSenzor optic (tahometru cu laser)<\/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
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\u20ac<\/span>124.00<\/span> + TVA (dac\u0103 este cazul)<\/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>Adaug\u0103 \u00een co\u0219<\/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
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\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
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\u20ac<\/span>6,803.00<\/span> + TVA (dac\u0103 este cazul)<\/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>Adaug\u0103 \u00een co\u0219<\/a>\t\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tStand magnetic 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
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\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>Adaug\u0103 \u00een co\u0219<\/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
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<\/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
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tBand\u0103 reflectorizant\u0103<\/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
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\u20ac<\/span>10.00<\/span> + TVA (dac\u0103 este cazul)<\/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>Adaug\u0103 \u00een co\u0219<\/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
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<\/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
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tEchilibrator dinamic \"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
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\u20ac<\/span>1,735.00<\/span> + TVA (dac\u0103 este cazul)<\/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>Adaug\u0103 \u00een co\u0219<\/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<\/p>\n\n\n\n

<\/p>\n\n\n

Despre experien\u021ba echilibr\u0103rii arborelui cardanic direct pe autogreder<\/h1>\n\n

Am g\u0103sit o coresponden\u021b\u0103 veche \u00eentre specialistul nostru principal \u0219i unul dintre clien\u021bii no\u0219tri.
Coresponden\u021b\u0103 de acum zece ani!<\/p>\n

Autor: Valery Davydovich<\/p>\n

Introducere<\/h2>\n

Trebuie s\u0103 recunosc c\u0103 am fost foarte surprins \u0219i mul\u021bumit de rezultatele scrisorii pe care ne-a trimis-o Andrey Kobyakov, \u0219oferul autogrederului.<\/p>\n

Scrisoarea lui m-a surprins chiar \u0219i pe mine \u2013 un specialist cu peste 35 de ani de experien\u021b\u0103 \u00een domeniul vibrodiagnostic\u0103rii<\/a> \u0219i echilibrare<\/a>. \u0218i, timp de mul\u021bi ani, am lucrat \u00een industria de ap\u0103rare \u0219i am echilibrat peste 1500 de ma\u0219ini \u0219i mecanisme diferite, de la ventilatoare obi\u0219nuite \u0219i pompe de fum p\u00e2n\u0103 la sisteme de ghidare a antenelor \u0219i giroscoape unice.<\/p>\n

\u0218i aici, pentru prima dat\u0103 \u00een echilibrarea la fa\u021ba locului<\/a> a unui utilaj rutier puternic – un autogredier!!!, pe care \u00eel conduce Andrey.<\/p>\n

\"Echilibrarea

Echilibrarea arborelui cardanic, a arborelui cotit \u0219i a co\u0219ului de ambreiaj direct pe autogreder.<\/p><\/div>\n

Andrey a achizi\u021bionat instrumentul nostru de echilibrare “Balanset-1”<\/a> destul de recent – la sf\u00e2r\u0219itul lunii august a acestui an (2012).<\/p>\n

\u00cen pu\u021bin peste dou\u0103 luni de atunci, a reu\u0219it nu numai s\u0103 st\u0103p\u00e2neasc\u0103 echipamentul \u0219i tehnologia de echilibrare, ci \u0219i s\u0103 elimine problema f\u0103r\u0103 a demonta dezechilibru<\/a> ale principalelor componente ale ma\u0219inii sale (arbore de transmisie, arbore cotit cu co\u0219ul ambreiajului, ro\u021bi).<\/p>\n

Iat\u0103 cum descrie Andrew munca pe care a f\u0103cut-o \u00een coresponden\u021ba sa cu noi.
(Cu permisiunea sa, public scrisorile sale f\u0103r\u0103 t\u0103ieturi \u0219i editare).<\/p>\n

1. Scrisoarea lui A. Kobyakov din 18 octombrie 2012<\/h2>\n

Bun\u0103 ziua, Valery Davydovich! Am vrut s\u0103 v\u0103 scriu. Am st\u0103p\u00e2nit munca cu dispozitivul destul de repede \u0219i totul este disponibil pentru oameni nepreg\u0103ti\u021bi ca mine. Notebook-ul meu accept\u0103 programul f\u0103r\u0103 corec\u021bie. Prima dat\u0103 c\u00e2nd l-am instalat pe calculatorul sta\u021bionar, echilibr\u00e2nd ro\u021bile, rezultatul este mai bun dec\u00e2t la montarea anvelopelor. Am \u00eencercat 2 arbori de transmisie pe loc, echilibrarea pare bun\u0103. \u00cen general, dispozitivul a r\u0103spuns a\u0219tept\u0103rilor mele pentru o bun\u0103 func\u021bionalitate la un pre\u021b rezonabil. Zilele trecute am echilibrat volanul la motograderul la care lucrez singur. Dezechilibrul ini\u021bial a fost de peste 8000 g*mm, dezechilibrul r\u0103mas a fost de aproximativ 900 g*mm, cu o toleran\u021b\u0103 de 400 g*mm. Se putea mai bine, dar am l\u0103sat inten\u021bionat, pentru c\u0103 va trebui s\u0103 echilibrezi ansamblul ambreiajului. Apoi va trebui s\u0103 echilibr\u0103m cardanul motor-cutie de viteze pe acela\u0219i motograder. Este o ve\u0219nic\u0103 problem\u0103 la motograderele cu motor. Superiorii mei au fost cam sarcastici \u00een leg\u0103tur\u0103 cu treaba asta, dar b\u0103nuiesc c\u0103 va ar\u0103ta cu vremea.
\u00cen acest proces, a ap\u0103rut o \u00eentrebare: cum se suprapun greut\u0103\u021bile corective \u00eentr-o singur\u0103 greutate de echilibrare? La echilibrarea cardanului este mai convenabil. Dup\u0103 p\u0103rerea mea, \u00een general, ar fi grozav dac\u0103 programul ar putea face un astfel de calcul.<\/p>\n

2. Scrisoarea lui A. Kobyakov din 31 octombrie 2012<\/h2>\n

Bun\u0103 ziua, Valery Davydovich!
Vreau s\u0103 v\u0103 povestesc despre lucr\u0103rile efectuate. Dup\u0103 cum v-am spus, am \u00eencercat s\u0103 echilibrez ansamblul ambreiajului. Prima \u00eencercare a e\u0219uat. Dezechilibrul ini\u021bial dep\u0103\u0219ea 28.000 g*mm. Am ajuns la concluzia c\u0103... nealiniere<\/a>. Dup\u0103 aceea, ansamblul a fost demontat \u0219i inspectat. S-au constatat g\u0103uri de aliniere uzate \u00een carcasa ambreiajului \u0219i abraziune la suprafe\u021bele plane adiacente ale carcasei. Discul intermediar era \u00een stare normal\u0103, discurile de antrenare erau noi, dar de o calitate \u00eendoielnic\u0103 (garnitura deplasat\u0103). L-am ales eu \u00eensumi pe cel nou, doar unul dintre cele patru era echilibrat. A\u0219a stau lucrurile. Asamblarea s-a f\u0103cut mai atent, cu ajutorul dispozitivului. Colegii mei \u00eemi ar\u0103tau degetul mijlociu. Am f\u0103cut o descoperire interesant\u0103: discul intermediar este fixat doar \u00eentr-o singur\u0103 pozi\u021bie din trei, la fel \u0219i co\u0219ul. Drept urmare, l-am echilibrat la 2600 g*mm. Masa \u00eentregului ansamblu volant + transmisie intermediar\u0103 + co\u0219 este de aproximativ 80 kg, raza 430 mm, viteza 1900-2000 rpm. Motorul este mul\u021bumit, func\u021bioneaz\u0103 f\u0103r\u0103 probleme.<\/p>\n

Mai departe, cardanul. Prima \u00eencercare a e\u0219uat din nou, are greutatea de 15 kilograme, lungimea de 650 mm.<\/p>\n

Am verificat flan\u0219ele, crucile, totul este \u00een regul\u0103, dar nu merge. Am dat jos cardanul. L-am rotit timp de o jum\u0103tate de or\u0103. Tot a\u0219a, am observat o u\u0219oar\u0103 mi\u0219care radial\u0103 la una dintre cruci. Schimbarea traversei, echilibrare.<\/p>\n

Rezultat: dezechilibru ini\u021bial<\/a> \u00een primul plan 1600 g*mm, \u00een al doilea plan 1000 g*mm. Dezechilibru rezidual<\/a> \u00een primul plan 36 g*mm, \u00een al doilea plan 9 g*mm. Aplauze. Cortina cade. \u0218efii sunt \u0219oca\u021bi.<\/p>\n

Valery Davidovich, cum pute\u021bi evalua o asemenea lucrare ca specialist?<\/p>\n

3. Scrisoarea lui A. Kobyakov din 7 noiembrie 2012<\/h2>\n

Valery Davydovich, bun\u0103 ziua! \u00cen sf\u00e2r\u0219it, v\u0103 trimit rezultatele muncii mele. Pe fotografie este primul \"fericit\" al ora\u0219ului nostru. Nimeni nu mai f\u0103cuse p\u00e2n\u0103 acum echilibrare nici m\u0103car pe ma\u0219ini, dar\u0103mite pe utilaje grele. Singura excep\u021bie sunt experimentele mele, mai mult sau mai pu\u021bin reu\u0219ite.
\u00cen fotografie vedem un arbore de transmisie destul de masiv, pe care sunt fixate cu cleme de band\u0103 segmente de tij\u0103 de plumb.<\/p>\n

\"Fig.1

Fig.1 Fotografie a cardanului cu greut\u0103\u021bi de corec\u021bie instalate \u00een planurile 1 \u0219i 2.<\/p><\/div>\n

De asemenea, pute\u021bi vedea greutatea din fabric\u0103 sudat\u0103. Pe filmule\u021b se poate observa o rota\u021bie lin\u0103 a arborelui. Nu exist\u0103 nicio mi\u0219care a cutiei de viteze (\u00een st\u00e2nga \u00een videoclip). Nu se observ\u0103 nicio deplasare a motorului (\u00een dreapta). Exist\u0103 o reducere semnificativ\u0103 a zgomotului \u00een cabin\u0103, vibra\u021biile practic nu se simt. Procesul-verbal de echilibrare din 29\/10\/2012 \u00eenainte de repararea arborelui de transmisie (\u00eenlocuirea unei traverse). Proces-verbal din 31\/10\/2012 dup\u0103 repara\u021bie. Protocoale confirmate de mecanicul nostru, care, de altfel, a privit foarte negativ aceast\u0103 lucrare.<\/p>\n

(Not\u0103: Din p\u0103cate, nu am putut g\u0103si videoclipul \u00een sine.)<\/em><\/p>\n

\"Fig.2

Fig.2 Fotografie a cardanului cu greut\u0103\u021bi de corec\u021bie instalate \u00een planurile 1 \u0219i 2.<\/p><\/div>\n

\"Fig.3.

Fig.3. Fotografie a cardanului cu greutatea de corec\u021bie \u00een planul 2.<\/p><\/div>\n

Vibra\u021bia r\u0103m\u00e2ne, dar este vizibil\u0103 \u00een partea din fa\u021b\u0103 a motorului, probabil la nivelul scripetelui de transmisie \u0219i al ventilatorului. Acum, autogrederul este \u00een misiune de lupt\u0103 \u0219i experimentele au \u00eencetat.
Am \u00eenceput s\u0103 echilibrez volanul celui de-al doilea autogreder al nostru \u0219i m-am \u00eentors direct la repara\u021bii. Am constatat o mi\u0219care axial\u0103 \u0219i radial\u0103 a arborelui cotit. Dup\u0103 desfacere, s-a dovedit c\u0103 este nevoie de rectificare.
V\u0103 rog s\u0103 m\u0103 ierta\u021bi dac\u0103 am \u00eenc\u0103lcat legile fizicii, doar c\u0103 nu \u0219tiam c\u0103 se poate face acest lucru.
Cu respect, Andrew.<\/p>\n

R\u0103spuns la scrisorile lui Kobyakov<\/h2>\n

Andrew, am comparat rezultatele tale de echilibrare cu cerin\u021bele pentru aceste rotoare, care sunt reflectate \u00een GOST 22061-76 Ma\u0219ini \u0219i echipamente tehnologice. Calitatea echilibrului<\/a> sistem de clase. Generalit\u0103\u021bi (corespondentul interna\u021bional modern este ISO 21940-11, anterior ISO 1940-1).
Cred c\u0103 va fi interesant pentru tine s\u0103 compari rezultatele tale cu toleran\u021bele acestui standard.
1. Arborele cotit (inclusiv co\u0219ul de ambreiaj etc.)
Toleran\u021ba trebuie s\u0103 corespund\u0103 clasei de precizie 6 (a se vedea apendicele 1, pagina 13).
\u00cen aceast\u0103 clas\u0103 \u0219i la 2000 rpm, valorile admise ale dezechilibrului rezidual pentru fiecare plan sunt cuprinse \u00eentre 40 \u0219i 100 \u00b5m (a se vedea diagramele de la pagina 3).
Convertit \u00een dezechilibru rezidual admisibil pentru un rotor de 80 kg, toleran\u021ba este cuprins\u0103 \u00eentre 3200 \u0219i 8000 g*mm.
A\u021bi ob\u021binut 2600 g*mm.
2. Arbore cardanic .
Toleran\u021ba trebuie s\u0103 fie de clasa 5 de precizie (a se vedea apendicele 1, pagina 13).
(\u00cen cazul arborelui cardanic nu a\u021bi specificat tura\u021bia, iar eu am luat-o condi\u021bionat la 2000 rpm).
Pentru aceast\u0103 clas\u0103 \u0219i o vitez\u0103 de rota\u021bie de 2000 rpm, dezechilibrul specific rezidual admisibil pentru fiecare plan este cuprins \u00eentre 15 \u0219i 40 \u00b5m (a se vedea diagramele de la pagina 3).
C\u00e2nd este convertit\u0103 \u00een dezechilibru rezidual admisibil pentru un arbore cardanic de 15 kg, toleran\u021ba se situeaz\u0103 \u00eentre 225 – 600 g*mm.
A\u021bi reu\u0219it s\u0103 ob\u021bine\u021bi 36 g*mm \u00een primul plan \u0219i 9 g*mm \u00een al doilea plan !!!!.
Este impresionant.
Salut\u0103ri.
F.V.D.<\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":2194,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","footnotes":""},"categories":[4,7,9],"tags":[],"class_list":["post-2193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-example","category-mulchers","category-rotors"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/posts\/2193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/comments?post=2193"}],"version-history":[{"count":3,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/posts\/2193\/revisions"}],"predecessor-version":[{"id":102211,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/posts\/2193\/revisions\/102211"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media\/2194"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=2193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=2193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=2193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}