Kev ua haujlwm ntawm cov kabmob haum yog los sib sau ua ke ntawm cov chaw ruaj ruaj thiab kev sib hloov ntawm cov kabmob nrog cov seem chaw (feem ntau cov kabmob lub rooj) thiab cov ntu tig (feem ntau yog ua haujlwm) ntawm cov mounting ib feem, thiaj li paub qhov hloov ntawm lub nra thiab sau tseg kev txav hauv lub xeev tig. Cov haujlwm ua haujlwm yooj yim ntawm lub system txheeb ze rau txoj haujlwm ntawm chaw nres tsheb. Ntawm kev ua haujlwm thiab hauv tsev, cov kabmob dov yuav tsum tau nws txoj haujlwm raug kho nyob rau hauv peb qhov kev qhia: kev qhia radial, axial thiab tangential. Qhov ntsuas radial thiab tangential kev ua tiav yog ua tiav los ntawm nruj haum ntawm cov kabmob coj nplhaib. Txoj haujlwm txiav axial tsuas yog siv hauv qee kis. Cov haujlwm axial feem ntau txwv los ntawm axial txwv qhov chaw xws li lub kaus mom kawg thiab khaws cov nplhaib. Tsis pub dhau lub clearance ntau.
Bearings yog cov khoom siv tseem ceeb hauv cov tshuab. Lawv kuj tuaj yeem hais tau tias yog kev siv tshuab ua ke. Tib yam li tib neeg, yog tias tsis muaj kev sib koom tes, nws yuav tsis ua haujlwm. Yog tias tib neeg tsis muaj pob qij txha, ces lub luag haujlwm yog dab tsi? Tom qab ntawd tsis muaj ib yam. Nws yog qhov tseem ceeb, zoo tib yam nkaus rau kev siv tshuab. Yog tias tsis muaj cov kabmob, lub tshuab tsis tuaj yeem siv mus, yog li lub tshuab tsis tuaj yeem muab cais tawm ntawm cov kabmob. Yog tias koj tawm ntawm cov kabmob, koj tsis tuaj yeem nyob, nws yog sib npaug rau seem. Kev siv cov bearings yog qhov nyuaj heev, thiab qee qhov dov bearings yuav tsum tau siv ua ke. Tus kws tshaj lij dav dav no paub qhov kev paub uas peb tsis paub txog.
