Isakhiwo somatshini wokuqhuba Umatshini wokuqhuba ubhekisela kwindlela esetyenzisiweyo ukuze utshintshe indlela yevili. Inezahlulo ezithathu, ezizezi, umatshini wokuqhuba, umatshini wamandla kunye neqhosha lokuqhuba.
Indlela yokulawula iqulunqwe ngezixhobo eziphambili zokunciphisa, i-pinion gear, i-axiliary reduction gear, ifolokhwe yokutshintsha, intonga yokudibanisa, njl njl. Isixhobo esiphambili sokunciphisa siyinxalenye ye-gear synthesis yi-handwheel, eqhuba i-gear yokunciphisa i-main ukujikeleza, kwaye i-pinion iqhuba i-gear yokunciphisa i-axiliary ukujikeleza ngokusebenzisa i-coordination ye-transmission, kunye nokuguqulwa kwesondo.