Cov hlau txheem ntawm cov kabmob pob uas muaj cov pa roj carbon thiab chromium tau raug xaiv thiab ua kom tawv kom tiv taus qhov siab ntawm cov khoom dov thiab cov nplhaib kabmob.
Carbonitriding ntawm ob sab hauv thiab sab nraud nplhaib yog ib qho txheej txheem hardening yooj yim rau ntau tus neeg muag khoom TPI pob bearings. Los ntawm kev kho cua sov tshwj xeeb no, qhov nyuaj ntawm qhov chaw raceway nce ntxiv; uas txo qhov hnav raws li.
Tam sim no muaj cov hlau huv heev nyob rau hauv qee cov khoom ntawm TPI tus qauv pob bearings, thiab kev hnav tsis kam siab dua tau txais raws li qhov ntawd. Vim tias kev qaug zog ntawm kev sib cuag feem ntau yog los ntawm cov khoom siv tawv uas tsis yog hlau, cov bearings niaj hnub no xav tau qib kev huv tshwj xeeb.