Rolling bearing nyob rau hauv cov txheej txheem ntawm kev siv vim qhov zoo ntawm nws tus kheej thiab cov xwm txheej sab nraud, qhov ua rau nws muaj peev xwm cov kabmob, tig qhov raug thiab qhov tsis sib xws thiab lwm yam yuav hloov, thaum qhov kev ua haujlwm ntawm cov kabmob qis dua li qhov yuav tsum tau siv thiab tuaj yeem' t ua haujlwm ib txwm, yog hu ua cov kabmob kev puas tsuaj lossis tsis ua haujlwm, kev coj tus kheej thaum muaj kev puas tsuaj, xws li kev sib tsoo tshwm sim, yuav muaj lub sijhawm nres nws lub tshuab, khoom siv, kev ua haujlwm raug mob thiab lwm yam tsis zoo
Cov kabmob tau tawg, peb yuav tsum xub tshawb qhov ua rau qhov ua tsis tiav, thiab tom qab ntawd mam li nrhiav kev daws.Yog li, nws yog qhov yuav tsum tau soj ntsuam cov laj thawj thiab coj kev ntsuas coj los sib txuas rau lub sijhawm luv.
Ob peb yam ua rau tus kabmob qub thiab tsis zoo feem ntau yog los ntawm kev siv tsis raug.Cov xwm txheej hauv qab no uas ua rau muaj kev puas tsuaj ntau ntawm cov bearings tau piav qhia. Tuam Tshoj Bearing Network koom nrog lawv raws li hauv qab no:
Dais yog qhov-ua yam poob, tsuav yog nws siv, nws yeej yuav puas ntsoog. Nws tsuas yog qhia nws tus kheej thaum nws tau tsim nyob rau ib qhov twg., uas yog, kom txog thaum qee tus nqi tsis zoo, tau kawg, cov kabmob sib dhos tau muaj kev puas tsuaj los ntawm cov khoom puas yog qhov ntau dua li qhov feem cuam ntawm kev siv tshuab, cov yam ntxwv ntawm cov ntxuag cov kabmob puas yog cov naj npawb ntawm cov ntawv, vim li cas, kev coj tus kheej ntxiv rau cov kabmob kev tsim qauv thiab tsim khoom ntawm cov khoom sab hauv, feem ntau vim kev siv tsis raug, xws li: xaiv cov ntaub, kev coj tus kheej tsim tsis tsim nyog, kev teeb tsa tsis zoo, kev tsim kho tsis zoo, tsim kev kub ntxhov tsis zoo los ntawm lwm yam, xws li tsis zoo.8 lub ntsiab lus hauv qab no yog qhov tseem ceeb ntawm cov kabmob phem:
1, xeb hlau.Yog tias qhov tsis muaj lub lubrication, nws yuav yooj yim rau oxidized los ntawm huab cua, xeb.Tiv thaiv xeb ntawm cov kabmob, tsis txhob siv cov hlwv.Bearings yog ua los ntawm cov hlau zoo, tab sis lawv kuj ntshai dej.Thaum coj cov kabmob los ntawm txhais tes, peb yuav tsum ntxuav tag nrho cov hws los ntawm peb txhais tes, thiab tsho tiv no lawv nrog cov roj ntxhia zoo ua ntej kev ua haujlwm. Nyob rau lub caij ntuj nag thiab caij ntuj sov, peb yuav tsum them nyiaj tshwj xeeb rau kev tiv thaiv xeb.
Cov laj thawj tshwj xeeb rau kev xeb tsis hnav ntawm cov quav yog feem ntau raws li hauv qab no:
① Oxidative hnav.Cov kab me me thiab cov kwj hav ntawm qhov tsis sib haum ntawm sab nrauv rho tawm ntawm ib leeg, ua rau lub ntsej muag saum npoo av maj mam poob thiab hnav.Cov kab me me thiab cov kwj ha nyob ntawm qhov chaw nruab nrab ntawm cov kabmob thiab cov oxidation hauv huab cua yog cov hluavtaws tsim kom muaj cov oxides thim uas tsis nruj nreem txuas nrog cov ntawv hlau. Cov oxide yog qhov yooj yim poob rau hauv kev txhuam, thiab qhov hnav hu ua oxidative hnav.
(2) txhuam cov thermal coj.Thaum cov kabmob ua haujlwm ntawm kev kub ceev thiab nyob rau hauv qhov xwm txheej ntawm lub nra hnyav thiab lub nrawm tsis zoo, siab kub, lub zog thiab hnav tsis kam ntawm qhov chaw sib kis poob vim muaj kev sib txhuam ntawm qhov chaw siab thiab hav, thiab txawm tias adhesion thiab kua muag tshwm sim.Qhov hnav no hu ua frictional thermal wear.
③ hnav nyuaj.Yog tias cov kabmob nyob hauv cov lus tsaig.Lub zog txav ntawm cov kabmob tsis sib xws, muaj cov tawv tawv, lossis lub zog qhov chaw ntawm cov kabmob poob mus rau hauv cov xuab zeb, khawb, nti thiab lwm cov impurities, kev coj tus kheej hauv kev txav ntawm cov kabmob, cov lus nyuaj lossis impurities yuav ua rau cov kabmob deg abrasion thiab txawm tias daim ntawv. qhov zawj, hom hnav no hu ua nyuaj grain hnav.
Pitting hnav.Dov sib cuag saum npoo ntawm cov zog thiab cov kabmob tau tsis tseg rau qhov kev sib txuas lus zoo hauv cov txheej txheem txheeb ze. Ntev ntev, qhov qaug zog tshwm sim ntawm cov hlau, uas ua rau cov kab nrib pleb me me thiab tsis lees ntawm qhov txheej txheem kabmob. Qhov kev hnav zoo no hu ua pitting erosion wear.
Ua kom xeb lossis xeb lossis hnav los ntawm kev siv tshuaj.Cov kabmob tshwm sim yog yaig los ntawm cov kua qaub, alkali, kua ntsev los yog cov phom sij.Nws ua kom nrawm rau txoj kev coj ua, uas yog hu ua coj los ntawm kev xeb.
Kev txhuam kev puas tsuaj vim yog kev tiv tauj ib ntus nrog dej, kua qaub, alkali, ntsev thiab lwm yam kua lossis cov pa paug: cov kabmob tsis txav ntawm cov khoom siv.Qhov kev puas tsuaj los ntawm xeb lossis xeb yog hu ua kev puas tsuaj corrosion.
2, lub kabmob load yog loj dhau lossis siv tsis tsim nyog.Thaum siv, nws tsis tuaj yeem dhau qhov teev ntawm cov kabmob. Zoo li lub tsheb, nws yuav hnyav heev los rub lub nra, uas yooj yim rau kev puas tsuaj rau cov kabmob.Yog li no, lub tsheb muaj cov teeb meem ntau dua li lub tsheb, uas yog tshwm sim los ntawm qhov tsis ua hauj lwm ntawm ntau ntu.
3. Cov kabmob tshem tawm yog qhov tsawg heev.Lub log pem hauv ntej ntawm lub tsheb yog oblique laub hom kabmob, yuav tsum tau kho qhov kev tshem tawm, xoob heev yuav ua rau lub suab tsis zoo, lub suab tsis zoo, lub log co.Lub cev dhau hwv yuav nrawm hnav. Ob leeg phem ib yam.Rau cov kabmob qub, nws yog qhov yuav tsum tau kuaj xyuas seb puas muaj tawg, tawg thiab tawg ntawm pob pob.Txawm hais tias qhov radial tshem tawm thiab axial clearance ntawm cov qub nqa tau tsim nyog, tsuas yog ntsuas radial tshem tawm feem ntau ntsuas.Rau cov kabmob tshiab, thawj zaug xyuas seb hom kabmob puas muaj tseeb.Radial kev tshem tawm cov qauv ntawm cov dov sib dhos xa mus rau Cov Lus 1.Piv txwv li, qauv 6318 sib sib zog nqus zawj npoo npas kabmob, cov kabmob sab hauv 90mm, qhov radial tshem tawm ntau dhau 0.016 ~ 0.046mm, kuj tseem yuav pom tias qhov siab tshaj plaws ntawm cov kabmob yog 0.25mm.
4, kev siv cov kabmob qis dua.Kev tsim cov kabmob yog tsim los ntawm qee lub Hoobkas me. Cov txheej txheem ntau lawm tsis tuaj yeem tsoo qhov kev xav tau, qhov tseeb ntawm tus ncej lossis lub npov kabmob yog qhov tsis zoo, thiab cov kabmob steel tau tsim tawm los ntawm nias thiab kov tsis tau kho.Yog li cov kabmob tsim tau tsis ruaj.
Tsav tsheb tsis xeb yuav ua rau lub tsheb tsis zoo, tab sis qhov no yog qhov laj thawj nyob deb.Vim tias nws tsis xyuam xim kev tsav tsheb, lwm feem yuav ua tsis zoo dua cov kabmob.
6. Ua tsis tiav kev teeb tsa.Txhim kho ntawm cov kabmob yog ua raws li cov txheej txheem teeb tsa ntawm cov kabmob, tsis txhob nruab thiab rho pov tseg wildly.Txawm hais tias cov kabmob tau txhim kho kom raug yog cuam tshuam nrog kev pabcuam lub neej ntawm kev coj tus kheej, yog li peb yuav tsum xyuam xim rau nws.Zam kev nqa cov kabmob ncaj qha los ntawm txhais tes thaum txhim kho lawv, vim tias hws ntawm tes kuj yuav ua rau xeb, thiab tsis txhob quav ntsej qhov txuas me me.Hauv kev teeb tsa cov kabmob, qhov tseem ceeb tshaj plaws yog tsis pub ua kom lub zog ruaj khov, tsis txhob cia ncaj ncaj rau cov kabmob, tsis ntshai tawg, tab sis ntshai ntawm deformation, deformation ntawm cov kabmob tsis tuaj yeem siv.Kuj tseem tsis muaj kev hloov siab los ntawm kev kos.
7. Txawv teb chaws lub cev ntxeem tau.Sim siv cov cuab yeej tshwj xeeb, sim kom tsis txhob siv cov ntaub thiab luv luv cov khoom, kom tsis txhob ua cov khoom fiber ntau rau hauv cov kabmob ua rau kev puas tsuaj tsis tsim nyog.Lwm qhov piv txwv yog kev teeb tsa ntawm cov kabmob, cov neeg ua haujlwm siv tooj liab pas nrig txoj kev, yooj yim ua rau cov kabmob tsis sib haum ntawm cov axial quab yuam, ua rau lub tawb kaw, ua rau lub cev puas, ua kom lub cev tsis zoo, thiab tus pas nrig ntau ntxiv hauv cov txheej txheem ntawm pob, tooj liab ya mus rau hauv cov kabmob tawb, yooj yim kom ua rau cov kabmob tsis ua haujlwm.Muaj kuj yog kev siv cov txheej txheem
8. Lub zog ua kom muaj qhov kub tsis txaus hloov qhov kub ntawm cov qauv hlau lossis tshuaj sib xyaw ua ke ntawm cov hlau, uas txo qhov hnav tsis kam thiab qhov nyuaj ntawm cov kabmob tshwm thiab nrawm rau hauv cov txheej txheem hnav.Qhov hnav no hu ua kev coj ua vim kev kub hauj lwm.Hnav los ntawm kev ntsuas kub.Thaum cov kabmob yog ua haujlwm ib ntus ntawm kev kub.
9, kev coj tus kheej thiab cov roj hauv qhov nyiaj ntau dhau, yuav ua rau cov menyuam cov menyuam nplua, los ntawm kev sib txhuam yob sib tsoo swb thiab dov lub cev ua kom cov kabmob cov menyuam, vim tias cov roj ntau dhau ntawm cov kabmob, cov kabmob hauv qhov chaw dawb yog me, lub kev khiav hauj lwm kub ntawm cov kabmob yuav sawv, grease hz degree raug txo, lubricating roj zaj duab xis thinning, cov menyuam, thiab qhov cuam tshuam tsis zoo lubrication yog qhov yooj yim ua rau cov kabmob sib txawv suab, nplaim du, kom lub neej kev pab cuam ntawm kev coj tus kheej.Feem ntau, muaj cov roj ua rau cov pa roj ntawm qhov kawg ntawm lub cev muaj zog. Raws li qhov ceev ntawm lub cev muaj zog, qhov nyiaj ntawm cov roj puv rau hauv cov kabmob ua ke tuaj yeem nqa tawm raws li cov qauv hauv qab no: thaum lub cev muaj zog ceev tsawg dua 1500r / min, cov roj ntawm kev puv roj yog 2/3 ntawm lub ntim ntawm cov kabmob ua ke.Thaum qhov ceev tau nyob nruab nrab ntawm 1500 ~ 3000r / min, nws yog 1/2 ntawm qhov ntim ntawm cov kabmob ua ke.Thaum qhov ceev yog> 3000r / min, nws yuav tsum tsawg dua los yog sib npaug li 1/3 ntawm cov kabmob ntim.Hauv cov txheej txheem ua haujlwm tiag tiag, rau cov bearings khiav ntawm qhov kub thiab qhov siab ceev, cov kabmob nrog kev sib khi lub npoo yuav tsum tau siv tsawg li sai tau, thiab cov roj ntim ntawm cov roj hluav taws xob taub yuav tsum tau nce, thiab cov roj hluav taws xob tsis zoo yuav tsum tau txhim kho kom zoo dua qub cov kev pab lub neej ntawm tsav bearings.
10. Rau cov kabmob nrog cov kab thaiv sab nrauv sab nrauv, yuav tsum them nyiaj kom paub meej tias qhov rwb thaiv tsev nyob ruaj khov.Yog hais tias cov kabmob rwb thaiv tsev pov tseg thaum lub sij hawm teeb tsa, cov roj teeb tsa cov roj nyias nyias yuav tawg los ntawm cov kab hluav taws xob. Tom qab cov roj zaj yeeb yaj kiab rhuav tshem, tsis tsuas yog lub nrawm nrawm ntawm lub cev dov lub cev tsis zoo, tab sis kuj tsim hluav taws xob tsim hluav taws xob yuav tsim cov xeb hluav taws xob rau ntawm lub cev yob lub cev, ua rau tsis yog tsuas yog saum npoo ntawm lub cev dov, tab sis kuj hnav ntawm kev coj tus kheej.
Cov kabmob hnav tuaj yeem hloov kho txoj hauv kev no.Txoj kev daws teeb meem yog: qhov yuav tsum tau rov tshawb nrhiav kev siv cov xwm txheej lossis rov xaiv cov kabmob, soj ntsuam kev tshem tawm thiab tshawb xyuas qhov kev ua haujlwm nruab nrab ntawm tus ua haujlwm thiab cov kabmob coj, xyuas cov qauv tsim puag ncig ntawm cov kabmob, kawm thiab tshawb xyuas cov txheej txheem kev teeb tsa thiab roj nplua nyeem , lubrication txoj kev.
Kev coj tus kheej hnav tuaj yeem yog cov qauv txij nkawm / qib ua haujlwm
1. Ua haujlwm zoo ntawm kev npaj ua haujlwm, hu ua khoom siv cais tawm, kom ntseeg tau tias qhov chaw tsim kho kom zoo thiab thaj chaw ua haujlwm nyab xeeb;
2. Kev pib tu ntawm sab npoo ntawm cov npoo yog mus so cov roj ntawm qhov chaw ntawm cov kabmob thiab qhov chaw ua haujlwm, tshem lub siab kis, burr, xeb txheej, thiab lwm yam, ntxuav qhov saum npoo ntawm cov kabmob ua haujlwm nrog 99.7% anhydrous ethanol los xyuas kom meej tias tsis muaj av thiab ziab nws;
3. Ua rau sab hauv thiab sab nraud ntawm cov pwm, so txheej txheej ntawm SD7000 demoulding tus neeg sawv cev ntawm cov pwm txheej sab hauv, cov paug tawm, puab tawm, ntsia liaj qhov, nrhiav cov pins thiab nrhiav tus pin lub qhov, cov thinner qhov zoo dua, thiab cua qhuav rau siv;
4. Muab cov khoom zoo SD7101H hauv kev nruj raws li qhov sib npaug thiab ntim ntawm 2: 1, thiab ua kom nws muaj kev sib raug zoo yam tsis muaj xim sib txawv. Siv cov khoom siv sib xyaw rau saum npoo ntawm cov kabmob txoj haujlwm sai;
5, txhim kho pwm sai sai rau hauv qhov chaw, kom nruj rau lub ntsia hlau thiab txhim kho tus lej ntsuas.Nyob rau hauv tus txheej txheem ntawm kev txhim kho lub pwm, them sai sai rau lub pwm kom tsis txhob muaj qhov axial txav ntawm lub pwm. Nyob rau tib lub sijhawm, cov rauj siv roj hmab tau siv los tsoo lub pwm nyob rau hauv txoj kev ncig hauv cov txheej txheem los txhawm rau txhawm rau txhawm rau pwm, kom cov khoom siv faib ntau dua qub thiab qhov deformation ntawm cov pwm raug zam nyob rau tib lub sijhawm.
6. Cov khoom ua kom zoo: thaum lub sijhawm huab cua kub txog 24 ℃, nws raug nquahu kom tshem tawm cov pwm tsis pub tsawg tshaj 4 teev;Thaum lub sijhawm huab cua sov tshaj qis dua 24 ℃, nws raug nquahu kom siv iodine tungsten lub teeb ua kom sov rau tsis pub tsawg tshaj 3 teev;
7. Ua zoo saib xyuas thaum dismantling pwm kom tsis txhob muaj khoom tawg lossis poob tawm hauv cov txheej txheem ntawm kev cais tawm. Tom qab pwm pwm raug rhuav tshem, siv cov saw hniav lossis txiav hniav txhawm rau tshem tawm cov khoom sib txuas ntxiv rau ntawm qhov zawj tawm, thiab zom nws hauv qab tag nrho saum npoo tib lub sijhawm.
8. Cov khoom sib dhos: thaum sib sau ua ntu, nws pom zoo tias cov mating saum npoo ntawm cov khoom yuav tsum tau coated nrog nyias txheej ntawm tso tus neeg saib xyuas ua ntej, thiab cov kabmob txheej yuav raug coated nrog nyias txheej ntawm cov khoom, thiab sai sai nruab rau hauv nruj raws li cov txheej txheem los ua ke.
Nws yog qhov tseem ceeb rau kev kawm txog qhov tsim thiab qhov ua rau yob cov kabmob puas tsuaj. Ntawm ib sab, nws tuaj yeem txhim kho txoj kev siv, siv tus kabmob thiab muab kev ua si tag nrho mus rau qhov ua tau zoo ntawm cov kabmob. Ntawm qhov tod tes, nws tau txais txiaj ntsig los tsim cov khoom tshiab nrog kev ua tau zoo dua.Hauv daim ntawv no, dhau li piav qhia qhov teeb meem xav tau kev saib xyuas hauv kev siv cov dov sib dhos, cov txheej txheem kev teeb tsa, kev soj ntsuam kev ua haujlwm, thiab lwm yam, cov qauv thiab kev ua rau muaj kev puas tsuaj thiab ua rau cov khoom siv los tiv thaiv kuj tseem qhia txog.
Lub neej ntawm cov kabmob muaj qhov tseeb ntawm xyoo. Yog tias peb siv lawv zoo thiab xyuam xim rau kev siv cov teeb meem saum toj no ib txwm, cov kabmob yuav muab tag nrho kev ua si rau lawv lub luag haujlwm.Feem ntau, cov cim kev lag luam ntawm cov chaw tsim khoom tsis tu ncua muab peb qhov kev ua haujlwm ntawm kev lav paub.Yog tias nws yog qhov teeb meem zoo, koj tuaj yeem mus rau tom khw coj mus hloov pauv.Cov khw feem ntau yog yuav tsum muaj cov kev pabcuam no.