The kayan motsa jikiShaft shine mafi mahimmancin sashi na tallafi da juyawa a cikin injunan gini, wanda zai iya aiwatar da motsi na juyawa na gears da sauran sassan, kuma yana iya watsa karfin juyi da iko a nesa mai nisa. Yana da fa'idodin ingantaccen watsawa, tsawon rai na sabis da ƙaramin tsari. An yi amfani da shi sosai kuma ya zama ɗaya daga cikin mahimman sassan watsa injinan gini. A halin yanzu, tare da saurin ci gaban tattalin arzikin cikin gida da faɗaɗa kayayyakin more rayuwa, za a sami sabon buƙatu na injunan gini. Zaɓin kayan kayan aikinshaft,Hanyar maganin zafi, shigarwa da daidaita kayan aikin injin, sigogin tsarin hobbing, da ciyarwa duk suna da matuƙar mahimmanci ga ingancin sarrafawa da rayuwar shaft ɗin gear.
Mun samar da kayan aikin dubawa na zamani kamar injin aunawa mai tsari uku na Brown & Sharpe, cibiyar aunawa ta Colin Begg P100/P65/P26, kayan aikin silinda na Jamusanci na Marl, na'urar gwajin roughness ta Japan, na'urar tantancewa ta gani, na'urar auna tsayi da sauransu don tabbatar da cewa an yi gwajin ƙarshe daidai kuma gaba ɗaya.
1). Zane-zanen kumfa
2). Rahoton girma
3). Takardar shaidar kayan aiki
4). Rahoton maganin zafi
5). Rahoton daidaito