Le sethi yegiya lezikelemu yayisetshenziswa ekunciphiseni igiya lezikelemu, impahla yegiya lezikelemu i-Tin Bonze kanti i-shaft iyinsimbi engu-8620 alloy.Ngokuvamile igiya lezikelemu alikwazanga ukugaya , ukunemba kwe-ISO8 kulungile futhi i-worm shaft kufanele igaywe ibe nokunemba okuphezulu njenge-ISO6-7 .Ukuhlolwa kwe-meshing kubalulekile egiyeni lezikelemu ezisethwe ngaphambi kwakho konke ukuthunyelwa.