Yuav Ua Li Cas Hnav, Ncauj, lossis Hlawv Ntawm Ib Cov Kabmob Sliding Bearing?

Sliding bearing yog ib feem tseem ceeb ntawm kev lag luam mechanical kis tau tus mob. Nws yog tsuas yog siv los txhawb rotating ncej thiab txhawb kev lag luam ruaj khov los ntawm kev sib cuag zawv zawg. Thaum lub sij hawm siv mus ntev, yam xws li load, ceev, lubrication tej yam kev mob, kev khiav hauj lwm kub thiab installation precision yuav ua rau hnav thiab tsim kua muag, khawb (scratches) los yog thermal puas (outbursts / combustion). Yog tias tsis daws tau, cov teeb meem no yuav tsis tsuas yog ua rau lub neej ua haujlwm luv, tab sis kuj ua rau muaj kev vibration ntawm cov khoom siv, cov ntaub ntawv xov xwm kev puas tsuaj, thiab cov xwm txheej hnyav, kev ua haujlwm poob qis.
Rau cov tuam txhab tsim khoom, cov neeg ua haujlwm tu thiab cov kws tshaj lij, nkag siab txog qhov ua rau muaj ntau yam kev puas tsuaj thiab paub yuav ua li cas los daws lawv tuaj yeem pab txo tus nqi tu thiab txhim kho kev ua haujlwm ntawm cov khoom siv.

1.Yuav ua li cas nrog kev puas tsuaj ntawm zawv zawg bearings?
Hnav thiab tsim kua muag ntawm zawv zawg bearing feem ntau yog tus cwj pwm los ntawm thinning ntawm qhov chaw ua hauj lwm, nce qhov sib txawv, hloov nto roughness los yog cov khoom hauv zos poob. Kev siv lub sij hawm ntev, lubrication tsis txaus, tsis muaj paug nkag los yog thauj khoom ntau tshaj qhov tsim tshwj xeeb tuaj yeem ua kom hnav thiab tsim kua muag.
Tom qab kuaj pom qhov hnav thiab tsim kua muag, thawj kauj ruam yog kaw cov cuab yeej thiab tshuaj xyuas cov kabmob qhov, cov ntawv xov xwm ncej thiab cov tshuab lubrication. Ntsuas qhov sib txawv tiag tiag thiab sib piv nrog cov nqi tso cai uas tau teev tseg los ntawm cov chaw tsim khoom. Yog hais tias muaj tsawg dua hnav-cov kabmob qhov ntev, qhov chaw thiab cov kabmob muaj peev xwm tseem ua tau raws li cov kev xav tau-cov kabmob tuaj yeem raug ntxuav, lubricated lossis lwm yam tso cai raws li cov khoom tsim thiab kev saib xyuas tshwj xeeb.
Yog tias cov kabmob tshem tawm ntau tshaj qhov tso cai, lossis yog tias muaj cov khoom tseem ceeb poob ntawm qhov chaw ua haujlwm, cov kabmob yuav tsum raug soj ntsuam rau kev kho lossis hloov. Rau nyias-walled bushings, self-lubricating bearings los yog bearings nrog tshwj xeeb coatings, yuav tsum tsis txhob sim mus zom los yog polished nto vim qhov no yuav ua rau cov thawj qauv.

2.Yuav ua li cas los daws qhov teeb meem ntawm zawv zawg bearings?
Kev khawb ntawm qhov chaw ntawm cov bearings feem ntau yog tshwm sim los ntawm txawv teb chaws lub cev nkag, lubricant contamination, ntxhib ncej ntawv xov xwm nto los yog ua hauj lwm tsis zoo thaum lub sij hawm installation. Thaum cov hlau hais, plua plav, lossis lwm yam khoom tsis huv nkag mus rau hauv qhov chaw sib txhuam, lawv tsim cov grooves hauv cov kabmob uas tuaj yeem ua rau lub cev tsis muaj zog. Thaum lub sij hawm txij nkawm, cov roj nplua nyeem yog thawj zaug kuaj xyuas cov kab mob sib kis thiab rau cov blockages nyob rau hauv cov roj reservoirs, cov kab thiab cov khoom pom. Thaum ntxuav cov bearings thiab cov khoom muaj feem xyuam, cov txheej txheem tsim nyog rau cov khoom siv tshwj xeeb yuav tsum tau siv los xyuas kom meej tias cov khoom tsis huv tsis rov qab los rau hauv qhov chaw ua haujlwm.
Rau cov khawb me me, qhov tob thiab kev faib tawm ntawm cov khawb thiab cov khoom siv bearing raug coj mus rau hauv tus account los ntsuas seb cov kabmob puas siv tau. Yog hais tias khawb tob, yog flaking (spalling) tshwm sim, los yog yog hais tias tsim nyog qhov khoob thiab nqa lub peev xwm raug cuam tshuam, yuav tsum muaj kev ntsuam xyuas kev ua haujlwm raws li cov txheej txheem tswj xyuas; bearings yuav tsum tau hloov yog tias tsim nyog.
Tsis tas li ntawd, tshawb xyuas mating cav. Yog hais tias burrs, khawb los yog txawv txawv roughness tshwm nyob rau ntawm caj dab nto, bearings tshiab tuaj yeem tawg sai sai. Yog li ntawd, nyob rau hauv cov txheej txheem txij nkawm, nws tseem yuav tsum tau txheeb xyuas cov xwm txheej ntawm cov ntawv xov xwm, tsis yog qhov kev coj tus kheej xwb.

3.Yuav ua li cas txog "combustion" (kev qaug dab peg / overheating puas) ntawm zawv zawg bearings?

"combustion" ntawm zawv zawg bearings feem ntau hnyav dua li kev hnav. Cov tsos mob tshwm sim muaj xws li deg decoloration, fuse hauv zos, hloov khoom siv thiab txawm tias hnyav hnyav lossis hlau rau hlau adhesion. Cov laj thawj tseem ceeb suav nrog kev poob ntawm lubrication, kev khiav haujlwm tsis txaus, kev thauj khoom ntau dhau, qhov kub thiab txias tsis sib xws thiab kev sib txhuam hnyav ntawm cov ncej thiab cov kabmob.
Yog tias muaj cov cim qhia ntawm kev sib tsoo, cov khoom siv yuav tsum tau nres tam sim ntawd txhawm rau tiv thaiv kev puas tsuaj ntxiv rau lub caj dab thiab cov kabmob vaj tse. Thaum cov cuab yeej tau raug kaw thiab txias raws li cov txheej txheem kev nyab xeeb, tshuaj xyuas qhov chaw ua haujlwm, cov ntawv teev lus, lub lubrication circuits thiab cov roj siv roj ntawm cov kabmob.

IV.Yog hais tias cov kabmob nto qhia pom tias muaj kev sib tsoo, kev deformation loj lossis cov khoom flaking, cov kabmob feem ntau yuav tsum tau hloov thiab lub caj dab caj dab kuaj xyuas kev puas tsuaj. Nyob rau hauv cov ntaub ntawv ntawm combustion hnyav, nws tseem yuav tsum tau soj ntsuam cov teeb meem tshwm sim xws li lubrication twj tso kua mis tsis ua hauj lwm, blockage ntawm roj passages, tsis txaus roj txaus siab los yog txawv txav loading tej yam kev mob.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias tsuas yog ntxiv cov roj nplua nyeem ntxiv yuav tsis daws qhov teeb meem tsis zoo. Lub hauv paus ua rau kub nce thiab kev sib txhuam tsis zoo yuav tsum pom, txwv tsis pub, kev hloov cov kabmob yuav ua tsis tau dua hauv lub sijhawm luv luv. Xaiv lub tswv yim kho kom tsim nyog raws li Kev Tshaj Tawm.
Ntau hom kev puas tsuaj yuav tsum muaj kev sib txawv. Cov neeg ua haujlwm saib xyuas yuav tsum txiav txim siab txog txoj kev tsim nyog raws li cov qauv coj, cov khoom siv, cov xwm txheej ntawm kev siv cov khoom siv thiab cov chaw tsim khoom tshwj xeeb.
Rau zawv zawg bearings ua los ntawm tooj liab alloys, bimetallic cov ntaub ntawv, composites los yog nws tus kheej-lubricating cov ntaub ntawv, txoj kev kho yuav tsum tsim nyog rau ib yam khoom. Cov txheej txheem xws li kev sib tsoo lossis kho cov txheej txheem rau cov qauv hlau bushings yuav tsum tsis txhob siv rau txhua hom bearings.

V. Txheeb xyuas qhov kev ua haujlwm tsis zoo ntawm lubrication system thiab khoom siv
Thaum cov bearings puas lawm, nws yog ib qho tsim nyog yuav tsum tsis txhob cuam tshuam nrog cov khoom puas, tab sis kuj nrog cov khoom sab nraud ua rau tsis ua haujlwm. Lub lubrication system yog qhov chaw tseem ceeb ntawm kev tshawb nrhiav; xyuas tias cov qib thiab cov viscosity ntawm cov roj lubricants ua tau raws li cov kev qhia tshwj xeeb, ua kom cov khoom siv roj txaus, xyuas tias cov roj nkag tau meej thiab kuaj xyuas cov dej noo los yog cov kab mob hauv cov roj.
Tsis tas li ntawd, paub meej tias qhov tseeb ntawm kev thauj khoom thiab kev ceev ntawm cov khoom siv yog nyob rau hauv qhov tsim ntau yam. Nyob rau tib lub sijhawm, xyuas qhov kev nyab xeeb ntawm cov kabmob vaj tsev, kev sib dhos ntawm cov ncej thiab ua haujlwm kub. Rau zawv zawg bearings lubricated los ntawm hydrodynamic (roj zaj duab xis) lubrication, tsim cov xwm txheej ntawm cov roj zaj duab xis yuav tsum raug soj ntsuam kom ua tau raws li cov khoom siv.
Yog tias cov cuab yeej qub qub tau hnav lossis khawb, nws raug nquahu kom sau cov load, ceev, kub thiab lubrication txheej txheem ntawm txhua qhov tsis ua haujlwm los pab cov neeg ua haujlwm saib xyuas lub hauv paus ua rau muaj teeb meem rov tshwm sim.
6.Txhim kho kev tu ncua kom txo tau qhov kev pheej hmoo ntawm kev puas tsuaj rov tshwm sim dua.
Txhawm rau tiv thaiv kev puas tsuaj ntxiv ntawm zawv zawg bearings, nws yog ib qho tsim nyog yuav tsum tsim kom muaj kev tshuaj xyuas zoo thiab kev saib xyuas zoo. Thaum lub sijhawm ua haujlwm ntawm cov khoom siv, qhov kub thiab txias, kev vibration, lubrication thiab suab nrov raug saib xyuas raws li qhov yuav tsum tau ua ntawm cov chaw tsim khoom, thiab kuaj pom qhov tsis txaus ntseeg raws sijhawm.

Kev saib xyuas txhua hnub yuav tsum tsom rau cov hauv qab no:
- Kev tshuaj xyuas lub sijhawm ntawm cov roj lubricating: hloov cov roj lubricating lossis roj raws li xav tau los tiv thaiv cov kab mob los ntawm kev cuam tshuam rau kev ua haujlwm lubrication.
-Load Control: Tsis txhob siv cov cuab yeej ua haujlwm nyob rau hauv kev ua haujlwm tsis tu ncua lossis ntawm qhov nrawm tshaj qhov tsim tshwj xeeb.
Kev kho ntawm kev sib dhos Precision: xyuas qhov xwm txheej ntawm lub caj dab caj dab thiab cov kabmob vaj tse, xyuas kom meej meej meej, thiab xyuas qhov sib npaug ntawm cov ncej.
- Kev Tswj Xyuas Kev huv: tiv thaiv plua plav, hlau hais thiab lwm yam khoom txawv teb chaws los ntawm kev nkag mus rau thaj chaw sib txhuam. Kev hloov ceev ntawm cov khoom puas ntsoog: Tsis txhob txuas ntxiv mus ua cov bearings uas hnyav hnyav los yog kub puas (charred).
Los ntawm qhov pom ntawm cov khoom siv bearing, qhov kev xaiv theem yog qhov tseem ceeb sib npaug. Thaum muab cov bearings, tus neeg muag khoom yuav tsum tau muab cov ntsiab lus ntawm txoj kab uas hla, load, ceev, kev khiav hauj lwm kub, lubrication txoj kev, ua hauj lwm ib puag ncig, thiab lwm yam.. Rau kev khiav hauj lwm tshwj xeeb, nws tseem pom zoo kom kuaj xyuas ua ntej qhov kev puas tsuaj, kev ua haujlwm tau tso cai thiab kev saib xyuas ntawm cov khoom.

Cov Lus Nug Nquag: Kuaj Plain Bearings puas
Q1: Yog tias cov kabmob ib txwm muaj qhov khawb me ntsis, nws puas tseem siv?
Nws nyob ntawm qhov tob thiab txoj hauj lwm ntawm khawb, cov khoom siv thiab qhov tseeb kev khiav hauj lwm clearance. Yog tias khawb tsis cuam tshuam rau lubrication, qhov loj me lossis cov kabmob muaj peev xwm, cov kabmob tuaj yeem siv txuas ntxiv tom qab kev tshuaj xyuas kev tshaj lij. Txawm li cas los xij, yog tias muaj qhov sib sib zog nqus grooves, flaking (flaking) lossis txawv txav thiab tsim kua muag, yuav tsum muaj kev ntsuam xyuas ntxiv lossis hloov pauv.
Q2: Puas yog lub tshav kub puas (scorched) cov kabmob uas tuaj yeem kho tau?
Kev puas tsuaj me me rau cov kabmob tuaj yeem raug soj ntsuam raws li cov khoom siv thiab cov chaw tsim khoom kev saib xyuas tshwj xeeb. Txawm li cas los xij, cov bearings feem ntau yuav tsum tau hloov yog tias muaj cov khoom fusion (gripping), hnyav deformation, lossis flaking. Tsis tas li ntawd, phau ntawv xov xwm thiab lub tshuab lubrication yuav tsum raug tshuaj xyuas ua ntej yuav kho.
Q3: Vim li cas ho hnav tsis tu ncua txawm tias hloov cov bearings?
Qhov no tej zaum yuav yog vim qhov kev tshem tawm tsis raug cai, lub caj dab ntxhib ntawm lub caj dab, qhov kev sib txuas ntawm cov ncej tsis zoo, tsis muaj roj nplua nyeem lossis cov khoom siv ntev ntev. Yog tias lub hauv paus ua rau tsis hais txog, kev teeb tsa ntawm cov kabmob tshiab yuav tsis ua kom muaj kev ruaj ntseg mus ntev.
Q4: Kuv yuav txiav txim tau li cas yog tias kuv yuav tsum tau hloov cov bearings?
Kev hloov pauv yuav tsum raug soj ntsuam raws li cov qauv kev saib xyuas cov khoom siv yog tias cov kabmob tshem tawm ntau tshaj qhov txwv lossis yog tias muaj cov tsos mob ntawm khawb loj, thermal puas (scorching), flaking lossis deformation, lossis yog tias cov kabmob tsis muaj peev xwm tswj xyuas kom zoo lubrication thiab bearing kev ua tau zoo. Rau cov cuab yeej tseem ceeb, kev txiav txim siab tsis tuaj yeem ua raws li qhov pom.