Los ntawm kev sib kis ratio:
Taag kis tau tus mob piv - ncig iav mechanism (cylindrical, conical)
Kev sib kis sib kis tsis sib xws - tsis yog lub voj voog iav mechanism (oval iav)
Raws li qhov txheeb ze ntawm lub qag
Lub dav hlau iav mechanism, spur iav kis tau tus mob, lwm lub 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, staggered ncej helical iav kis tau tus mob, cab iav tsav
Los ntawm txoj kev
Bevel iav, ntxhib semi-tiav iav, helical iav, sab hauv iav, spur iav, iav iav
