Raws li qhov kis tau tus mob:
Tsau kis tus lej- lub voj voog iav mechanism (cylindrical, cone)
Kev sib kis sib txawv ntawm qhov sib piv- tsis yog- lub voj voog iav mechanism (elliptical iav)
Raws li qhov txheeb ze ntawm lub qag
Lub dav hlau iav mechanism, spur iav kis tau tus mob, sab nrauv iav kis tau tus mob, internal gear kis tau tus mob, khib thiab pinion kis tau tus mob, helical cylindrical iav kis, herringbone iav kis tau tus mob, qhov chaw iav mechanism, bevel iav kis tau tus mob, hla -axis helical iav kis tau tus mob, Kab mob iav tsav
Raws li tus txheej txheem
Bevel gears, semi-finished gears, helical gears, internal gears, spur gears, worm gears
