The inji Properties naƙirƙirasun fi waɗanda aka samar akan guduma.Babban yawan aiki;Ƙananan asarar ƙarfe;Gudumaƙirƙiramutu yana kunshe ne da sassa biyu na babba da na kasa, injin kwance yana kunshe da naushi da rabi biyu na hade da jimillar sassa uku na matashin, don haka yana yiwuwa a iya jujjuya guduma.ƙirƙira ƙirƙiraba zai iya kerawa;Madaidaicin girman, ƙasa mai santsi.

Mabuɗin abubuwanƙirƙirazane na latsa kwancemutu ƙirƙira: Forgingsa cikin tashin hankali bayan kada ya tsoma baki tare da ɓangaren ɓangaren ƙirƙira mutu rabuwa;Don samun gangara;Yi sasanninta masu zagaye;Don guje wa ƙirƙira a cikin sashin tsayin daka na ɓangaren wuyansa, yana hana kwararar ƙarfe;Don kauce wa maƙarƙashiya na tsakiya da wutsiya taper;Sassan shinge na Flange, lokacin da tsayin ya yi daidai da diamita na sau 10-12, flange ba zai iya girma fiye da ƙarar shaft ba;Kaurin bango na ingantattun ƙirƙira bazai zama ƙasa da diamita sau 0.15 ba.