Okokuqala, indlela yokufaka ujantshi womhlahlandlela wekhabethe lefenisha 1. Okokuqala, sidinga ukuqonda ukwakheka kwe-steel ball pulley slideway, ehlukaniswe izingxenye ezintathu: ujantshi ohambayo, ujantshi ophakathi nendawo kanye nojantshi ongashintshi. Phakathi kwazo, ikhabhinethi enyakazayo yisitimela sangaphakathi; Ujantshi ongashintshi ungaphandle