Cov qauv theem pib ntawm pwm

Cov qauv yooj yim ntawm cov pwm ua ke suav nrog cov pwm sab saud thiab qis dua, cov lus qhia yog cov tes, coj cov tes, ejector pins thiab lwm yam. Ntawm lawv, lub sab saud thiab qis dua yog qhov chaw tseem ceeb ntawm cov pwm, siv los ua cov khoom ntawm cov khoom. Cov Lus Qhia Pins thiab cov tes tsho ua si ib qho kev coj ua, kom haum qhov haum muaj tseeb ntawm cov pwm sab saud thiab qis dua. Tus pas nrig sab saum toj yog ib qho tseem ceeb uas yog kho cov pob zeb sab saud thiab qis dua ua ke. Lub kaw haum thiab kev sib koom ua ke ntawm cov khoom siv no kom cov pwm kom cov khoom siv kom ua tiav ntawm cov khoom lag luam. Lub sauv thiab qis dua pwm yog cov tseem ceeb ntawm cov pwm. Lawv cov qauv thiab cov duab ncaj qha cuam tshuam qhov zoo ntawm cov khoom lag luam thiab ntau lawm kev ua tau zoo.