xov xwm

Qhov sib txawv ntawm cov bearings uas muaj lubricating thiab cov bearings uas muaj roj impregnated

 

Ib qho yog dab tsiroj-impregnatedkev coj ua?

Lub cev sintered ua los ntawm hmoov metallurgy txoj kev yog porous thiab muaj cov txiaj ntsig kev siv tshuab ntawm kev kho tus lej, qhov loj me, cov duab thiab kev faib tawm ntawm cov qhov hws ntau dua hauv cov txheej txheem tsim khoom. Siv qhov porosity ntawm lub cev sintered, nws yog impregnated nrog 10% -40% (ntim feem) ntawm cov roj lubricating, thiab siv nyob rau hauv lub xeev ntawm nws tus kheej-roj mov. Thaum lub sijhawm ua haujlwm, qhov kub ntawm cov kabmob nce, thiab txij li thaum cov coefficient ntawm kev nthuav dav ntawm cov roj yog ntau dua li ntawm cov hlau, nws nkag mus rau hauv qhov chaw swb kom lubricate cov kabmob. Cov kabmob roj-impregnated tuaj yeem siv tau ntev nrog ib qho roj, thiab feem ntau siv rau lub sijhawm uas refueling tsis yooj yim.

 

Dab tsi yog ib qhotus kheej-lubricatingkev coj ua?

Cov kabmob uas siv lubricating rau nws tus kheejtau muab faib ua cov kabmob sib xyaw ua ke uas muaj lubricating, cov kabmob uas muaj cov khoom siv inlaid uas muaj lubricating, cov kabmob uas muaj cov khoom siv bimetallic uas muaj lubricating, thiab cov kabmob uas muaj cov khoom siv tshwj xeeb uas muaj lubricating.

 

Ib qho ntawm cov hom tseem ceeb ntawm cov kabmob khov kho uas muaj lubricating (hu ua JDB) yog cov kabmob tshiab uas muaj lubricated nrog cov yam ntxwv ntawm cov kabmob hlau thiab cov kabmob tsis muaj roj, uas tau thauj los ntawm cov hlau matrix thiab lubricated los ntawm cov khoom siv lubricating tshwj xeeb.

 

Nws muaj cov yam ntxwv ntawm lub peev xwm loj, kev cuam tshuam tsis kam, kev kub siab, lub peev xwm ua kom nws tus kheej muaj zog, thiab lwm yam, tshwj xeeb tshaj yog haum rau kev thauj khoom hnyav, kev ceev qis, rov qab los yog viav vias thiab lwm yam xwm txheej uas nyuaj rau lubricate thiab tsim cov roj zaj duab xis, thiab tsis ntshai dej yaig thiab yaig ntawm lwm cov kua qaub. Cov khoom lag luam tau siv dav hauv cov tshuab ua hlau txuas ntxiv mus, cov khoom siv dov, cov tshuab tsuas, pwm, cov tshuab nqa, cov tshuab textile, kev tsim hluav taws xob cua, nkoj, cov turbines pa dej, cov turbines dej, cov tshuab txhaj tshuaj molding thiab cov kab ntau lawm khoom siv. Kev hnav tsis kam yog ob npaug ntawm cov bushings ib txwm muaj.

 

Qhov txawv ntawmCov bearings uas muaj roj thiab cov bearings uas muaj lubricating

 

1. Cov kabmob uas muaj roj-impregnated yog ua los ntawm cov hmoov hlau ua ke, nrog rau qhov sib txawv ntawm 10-40%; Cov kabmob uas muaj roj-lubricating hauv cov kabmob yog centrifugal casting; Qhov ceev ntawm cov substrate yog qhov siab heev, lub zog sib txuas yog siab dua li cov kabmob uas muaj roj-impregnated, thiab lub neej ua haujlwm ntev dua li cov kabmob uas muaj roj-impregnated.

 

2. Cov khoom siv lubricating ntawm cov roj-impregnated bearing yog lubricating roj, thiab cov roj zaj duab xis muaj tuab txaus kom tshem tawm qhov kev sib cuag ncaj qha ntawm ob qhov chaw sib txhuam. Lub sijhawm no, tsuas muaj kev sib txhuam ntawm cov kua molecules, yog li qhov sib txhuam coefficient me me heev (f = 0.001 ~ 0.008), uas txo qhov kev sib txhuam thiab kev hnav. Cov khoom siv lubricating uas muab tso rau hauv cov self-lubricating bearing yog cov khoom siv lubricating khov kho, uas tseem tuaj yeem muaj cov nyhuv lubrication zoo txawm tias nyob rau hauv cov xwm txheej tsis muaj roj, uas tuaj yeem ua kom lubrication tsis tu ncua thiab ruaj khov, thiab nws lub neej lubrication zoo yog sib xws nrog lub neej ntawm lub matrix;

 

Cov roj lubricating hauv cov roj-impregnated bearing yog volatile thiab yooj yim poob, thiab qhov poob ntawm cov roj lubricating zaj duab xis yog accelerated nyob rau hauv kub siab thiab siab siab, thiab cov nyhuv lubricating tsis tuaj yeem tau txais; Hauv lub tes tsho tooj liab graphite, cov roj nplaum khov kho raug hloov lossis thim rov qab mus rau qhov chaw sib txhuam los ntawm kev sib txhuam, thiab cov roj nplaum khov kho hauv qhov lossis groove raug hloov lossis thim rov qab los ua cov zaj duab xis hloov khoom khov kho nrog lubrication zoo, nplaum ruaj khov thiab npog sib npaug ntawm qhov chaw sib txhuam, uas txo qhov sib txhuam thiab hnav. Thaum kev sib txhuam nce qib, cov roj nplaum khov kho embedded tau txuas ntxiv mus rau qhov chaw sib txhuam, kom ntseeg tau tias cov roj nplaum zoo ntawm cov khub sib txhuam thaum lub sijhawm ua haujlwm ntev.

Yog koj xav paub ntxivkev coj uacov ntaub ntawv, thov hu rau peb:

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