Tom qab siv lub spindle bearing rau lub sij hawm ntev, nws yog ib qho tsim nyog yuav tsum muaj kev qaug zog tev, corrosion, deformation deformation, creep, kub hnyiab, thiab lwm yam txhaum. Ib qho kev ua txhaum ntau tshaj yog spindle bearing hnav. Thaum cov kabmob hnav, nws yuav cuam tshuam ncaj qha rau kev ua haujlwm ntawm cov kabmob thiab txawm tias nws lub neej ua haujlwm luv. Yog li, dab tsi yog qhov laj thawj tseem ceeb rau spindle bearing hnav? Peb yuav tsum daws nws li cas? Nov yog cov lus teb los ntawm tus editor, peb tuaj yeem saib ua ke.
Kev soj ntsuam ntawm hnav yog vim li cas
Cov ntaub ntawv tseem ceeb ntawm kev hnav muaj xws li qaug zog hnav, hnav cov nplaum, abrasive (particle) hnav, fretting hnav, thiab hnav corrosion. Cov laj thawj tseem ceeb rau hom hnav no yog raws li hauv qab no:
1. Txawv teb chaws khoom ntxeem tau
Qhov chaw ua haujlwm ntawm bearings yog qhov nyuaj thiab peb tswj tsis tau nws. Nws yog ib qho yooj yim rau cov khoom txawv teb chaws xws li plua plav thiab impurities tshwm sim thaum ua haujlwm. Thaum cov khoom txawv teb chaws no dhau los ntawm cov khoom ntim tsis zoo (lossis cov nplhaib sib khi) thiab nkag mus rau sab hauv ntawm cov kabmob, dhau sijhawm, lawv tuaj yeem yooj yim ua rau hnav thiab tsim kua muag ntawm cov kabmob, cuam tshuam rau kev ua haujlwm ib txwm muaj.
2. lubrication tsis raug
Lub lubrication tsis zoo yog qhov ua rau muaj teeb meem ntawm kev coj tus kheej, nrog rau xeb, khawb, thiab ntau lwm yam tsis raug cuam tshuam nrog kev siv cov roj lubricating. Tib yam siv rau kev hnav ntawm spindle bearings, xws li impurities nyob rau hauv cov roj lubricating tsis raug lim kom huv si, tsis zoo lubrication txoj kev, xaiv tsis raug ntawm lubricants, thiab deterioration ntawm lubricants, uas yuav ua rau tag nrho cov bearing coj.
3. Khoom particle detachment
Cov txheej txheem muaj pes tsawg leeg ntawm lub ntsiab ncej bearing tseem tsis yooj yim. Muaj ntau qhov chaw ntawm nws, thiab cov khoom no yog qhov yooj yim rau xoob lossis lwm yam tshwm sim thaum siv. Yog tias lawv tsis kho raws sijhawm, kev ua haujlwm txawv txav tuaj yeem ua rau qee cov khoom siv ntawm cov khoom poob. Yog hais tias lawv poob rau saum npoo ntawm cov kabmob, nws yooj yim ua rau cov kabmob hnav.
4. xeb
Xeb tshwm sim los ntawm kev hloov pauv ntawm qhov kub thiab txias thaum siv cov kabmob, dej condensation, thiab corrosive zog ntawm additives hauv lubricants. Rust kuj yog ib qho ntawm cov teeb meem tshwm sim hauv bearings. Txawm li cas los xij, yog tias cov kabmob corroded thiab tsis kho raws sijhawm, nws yuav ua rau kom muaj kev sib txhuam quab yuam thaum lub sijhawm ua haujlwm thiab ua kom muaj peev xwm ntawm cov kabmob hnav.
Hnav cov kev ntsuas teb
1. Kev ntsuas rau micro hnav
Kev tshem tawm me me lossis cuam tshuam haum tuaj yeem siv los txo qis kev hnav thaum siv; Nyias lubrication lubrication los yog nyias ntim yuav siv tau ntawm lub ferrule thiab dov lub caij los txo micro hnav thaum lub sij hawm thauj mus los; Tsis tas li ntawd, cov bearings yuav tsum tau muab khaws cia rau hauv qhov chaw tsis muaj kev vibration, lossis cov nplhaib sab hauv thiab sab nraud ntawm cov kabmob yuav tsum tau muab cais tawm rau kev khaws cia kom tsis txhob hnav micro hnav thaum lub sijhawm khaws cia.
2. Kev ntsuas teb rau cov nplaum hnav
Kev ntsuas xws li kev txhim kho machining raug thiab txhim kho cov nyhuv lubrication tuaj yeem raug coj los daws qhov teeb meem. Thaum tsim precision ntau lawm, nws yog ib qho tseem ceeb uas yuav tau xyuam xim rau cov teeb meem no. Yog tias nws yog ib tus neeg siv, lawv yuav tsum tau them sai sai rau cov teeb meem no thaum xaiv, thiab tseem txhim kho cov nyhuv lubrication. Qhov no yuav tsum tau them sai sai rau hom thiab ntau npaum li cas ntawm cov roj lubricating thaum siv nws.
3. Cov tshuaj tiv thaiv rau abrasive (particle) hnav
Kev kho kom muaj zog ntawm qhov chaw, kev kho qhov chaw lubrication (xws li sulfurization, phosphating, nto soft hlau zaj duab xis txheej, thiab lwm yam), kev txhim kho cov kabmob sealing qauv, kev txhim kho cov khoom ua tiav, kev ruaj ntseg ntawm lubricating roj pom zoo, txo qhov kev puas tsuaj thaum lub sij hawm tsim khoom thiab siv tau los daws qhov teeb meem.
4. Kev tiv thaiv corrosion thiab hnav
Ua ntej, kev ntsuas xws li txo qis kev cuam tshuam ntawm cov khoom corrosive nyob rau hauv cov kabmob siv ib puag ncig, kev kho corrosion resistant rau ntawm qhov chaw, los yog siv cov khoom siv corrosion-resistant los tsim cov khoom yuav tsum tau coj los daws qhov teeb meem. Tsis tas li ntawd, kev txhim kho kuj tseem tuaj yeem tsim los ntawm kev xav ntawm cov khoom tsim qauv thiab kev tsim khoom, xws li kev txhim kho qhov tseeb ntawm cov khoom, txo cov txheej txheem deterioration generated thaum sib tsoo, thiab xyuas kom meej siv cov elastic fluid dynamic lubrication zaj duab xis kom ua tiav lub hom phiaj ntawm tiv thaiv hnav.