The the Spur GearShaft ndiyo yakakosha kutsigira uye kutenderera chikamu mukuvaka michina, iyo inogona kuziva kutenderera kwemagiya uye zvimwe zvikamu, uye zvinogona kuendesa torque uye simba pamusoro pesimba refu. Iyo ine zvakanakira kusimudzira kwakanyanya, hupenyu hwakareba hwebasa uye chimiro chechisimba. Izvo zvakange zvashandiswa zvakanyanya uye zvave chimwe chezvikamu zvakakosha zvekuvaka michina. Parizvino, nekukura nekukurumidza kwehupfumi hwehupfumi uye kuwedzera kwekuzvisimbisa, pachave neyakaongororwa chitsva chekuda kuchengetedza michina yekuvaka. Kusarudzwa kwemashoko egiyashaft,Nzira yekupisa kurapwa, kuisirwa uye kugadziridzwa kwemachina gadziriso, iyo yekufambisa maitiro ehurongwa, uye chikafu chakanyanya kukosha kune maitiro ekugadzirisa uye hupenyu hwegiya re gear shaft.