Dab tsi yog vim li cas thiab kev phom sij ntawm Nto Cracks nyob rau hauv Bearing Steel Materials?

Lub ntsiab yog vim li cas rau nto tawg nyob rau hauv bearing steel cov ntaub ntawv yog raws li nram no:

1. Vim lub microscopic pores nyob rau hauv cov hlau, subcutaneous npuas, loj tsis-hlau inclusions, kub kub kub thiab forging, dov tom qab txias heev ceev, raws li zoo raws li lub steel davhlau ya nyob twg, qhov kawg dov kub yog tsawg heev, thiab lwm yam. yuav ua rau nto ntawm cov hlau tawg.

2. Raws li qhov tshwm sim ntawm lub zeb qhia phaj nrog cov hlau hais, kev teeb tsa tsis raug ntawm cov ntawv qhia tawm, cov kaum ntse ntse thiab kev sib cuag dov thiab lwm qhov chaw ntawm lub zeb ntse ces kaum los yog protruding qhov chaw thiab dov kev sib cuag, yog li qhov saum npoo ntawm steel carved tawm. ntawm qhov tob, dav, ntev ntawm grooves, uas yog, khawb los yog khawb.

3. Rau cov khoom siv txias-draw bearing steel tej zaum kuj tshwm sim cov kab nrib pleb, qhov laj thawj yog vim li cas cov khoom siv steel hauv cov txheej txheem kos duab txias, vim tias muaj cov khoom seem ntawm cov khoom siv, cov khoom sib txawv loj dua los yog cov khoom tsis zoo. -metallic inclusions thiab lwm yam tsis xws luag uas ua rau txo lub zog ntawm cov khoom, plasticity tsis zoo, tsis yooj yim rau deform thiab tsim transverse tawg.

Cov kabmob ntawm cov khoom tawg thiab khawb yog tus cwj pwm los ntawm kev faib tawm raws li kev dov thiab kos duab ntawm cov hlau, qee zaum ib qho, ntau dua li ob peb. Nws yog yooj yim pom los ntawm sab nraud txoj kab uas hla ntawm cov hlau, transverse puas los yog tsawg lub sij hawm ntawm kub pickled specimens.

Qhov txaus ntshai ntawm cov khoom nto tawg:

Cov kabmob uas muaj cov khoom tawg yooj yim muaj lub neej ua haujlwm tsawg heev thiab feem ntau ua rau muaj kev tawg sai sai thaum lub sijhawm ua haujlwm. Rau dov lub ntsiab qhov chaw, nyob rau hauv tus txheej txheem ntawm kev siv, los yog vim cov kab nrib pleb uas ua rau ib tug txo nyob rau hauv lub load-bearing muaj peev xwm ntawm cov khoom thiab crushed, los yog raws li cov khoom tawg qaug zog tev thiab tsis ua hauj lwm.

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