Official Answer
Answer
Ana ƙididdige aikin damuwa $S$ ta amfani da $S = \ frac{3 \pi P D_m}{4 b t^2 N^2}$. Wannan dabarar tana lissafin nauyin nauyin $ P$ a tsayin aiki. Damuwa ya fi kula da kaurin abu $t$ da kirga igiyar ruwa $N$. Ƙara $N$ yana rage damuwa don nauyin da aka ba da shi amma yana ƙara yawan lokacin bazara. Don aikace-aikacen sake zagayowar, matsakaicin ƙarfin aiki bai kamata ya wuce $50-70\%$ na ƙaramin ƙarfi na kayan don tabbatar da juriyar gajiya ba. A cikin 17-7PH CH900 bakin karfe, ƙarfin tanƙwara yawanci ya kai 200-240 ksi, yana ba da damar ƙarfin aiki mafi girma fiye da daidaitaccen bakin 302.
