Izixhobo zeHelicalumgodi wepinionIdlala indima ebalulekileyo ekusebenzeni kakuhle kweebhokisi zegiya ezijikelezayo, ezisetyenziswa kakhulu kumashishini afana neemoto, ukuveliswa kwamandla, kunye nokuveliswa. Iigiya ezijikelezileyo zinamazinyo atyekele kwi-engile, nto leyo evumela ukudluliselwa kwamandla okuthambileyo nokuzolileyo xa kuthelekiswa neegiya ezisikiweyo ngokuthe tye.
I-pinion shaft, igiya encinci ngaphakathi kwebhokisi yegiya, idibanisa negiya enkulu okanye iseti yegiya. Olu lwakhiwo lubonelela ngokudluliselwa kwe-torque ephezulu kunye nokungcangcazela okunciphileyo kunye nengxolo. Uyilo lwayo luqinisekisa ukusasazwa okungcono komthwalo kumazinyo amaninzi, nto leyo ephucula ukuqina kwenkqubo yegiya.
Izinto ezifana nentsimbi ye-alloy okanye intsimbi eqinileyo zihlala zisetyenziselwa ii-pinion shafts ukumelana nemithwalo enzima kunye nokuguguleka. Ukongeza, ezi shafts zenziwa ngomatshini ochanekileyo kunye nonyango lobushushu ukuqinisekisa ukulungelelaniswa ngokuchanekileyo kunye nobomi benkonzo ende.