I thuthukisa igiyai-shaft iyingxenye ebaluleke kakhulu esekelayo nejikelezayo emishinini yokwakha, ekwazi ukubona ukunyakaza kwamagiya nezinye izinto, futhi ingadlulisela itorque namandla ebangeni elide. Inezinzuzo zokusebenza kahle kokudlulisa, impilo ende yesevisi kanye nesakhiwo esihlangene. Isetshenziswe kabanzi futhi isibe enye yezingxenye eziyisisekelo zokudluliswa kwemishini yokwakha. Njengamanje, ngokuthuthuka okusheshayo komnotho wasekhaya kanye nokunwetshwa kwengqalasizinda, kuzoba negagasi elisha lesidingo semishini yokwakha. Ukukhethwa kwempahla yegiyaumphini,indlela yokwelapha ukushisa, ukufakwa kanye nokulungiswa kwendawo yokulungisa imishini, imingcele yenqubo yokuhobha, kanye nokudla konke kubaluleke kakhulu kwikhwalithi yokucubungula kanye nempilo ye-shaft yegiya.
Sihlome ngemishini yokuhlola ethuthukisiwe efana nomshini wokulinganisa we-Brown & Sharpe ohlanganisa izingxenye ezintathu, isikhungo sokulinganisa i-Colin Begg P100/P65/P26, ithuluzi le-German Marl cylindricity, isihloli se-Japan roughness, i-Optical Profiler, iprojektha, umshini wokulinganisa ubude njll. ukuze siqiniseke ukuthi ukuhlolwa kokugcina kunembile futhi ngokuphelele.
1).Umdwebo webhamuza
2).Umbiko wobukhulu
3).Isitifiketi esibalulekile
4).Umbiko wokuphatha ukushisa
5).Umbiko wokunemba