Uburyo bwo kugabanya umubumbe bukoreshwa mu gice cyo kohereza umuvuduko muto n'umuvuduko mwinshi, cyane cyane mu gice cyo ku ruhande cy'imashini z'ubwubatsi n'igice cyo kuzenguruka cya crane y'umunara. Ubu bwoko bw'uburyo bwo kugabanya umubumbe busaba kuzunguruka guhindagurika no kugira ubushobozi bukomeye bwo kohereza umubumbe.
Ibyuma by'imibumbe ni ibice by'ibikoresho bikoreshwa cyane mu kugabanya imibumbe. Kuri ubu, ibisabwa kugira ngo ibyuma by'imibumbe bitunganywe biri hejuru cyane, ibisabwa kugira ngo urusaku rw'ibyuma rube rwinshi, kandi ibyuma bigomba kuba bisukuye kandi bidafite imiyoboro. Icya mbere ni ibisabwa ku bikoresho; icya kabiri ni uko imiterere y'amenyo y'ibyuma yujuje ibipimo bya DIN3962-8, kandi imiterere y'amenyo ntigomba kuba ifunze, icya gatatu, ikosa ry'uruziga n'ikosa rya cylindricity ry'ibyuma nyuma yo gusya biri hejuru, n'ubuso bw'imbere bw'umwobo. Hari ibisabwa ku buryo buhanitse. Ibisabwa mu bya tekiniki ku bimashini