Official Answer
Answer
Shear-out yana faruwa lokacin da gefen gefen $Y$ (nisa daga tsagi zuwa ƙarshen shaft) bai isa ba don tallafawa nauyin axial. Ana ƙididdige damuwa kamar $\tau = P / (\pi D Y)$. Don hana wannan, ya kamata a ƙara gefen gefen zuwa aƙalla $3$ sau zurfin tsagi $d$. Idan tsayin tsayin tsayin daka, dole ne a haɓaka kayan aikin katako zuwa gaɗaɗɗen ƙarfi mai ƙarfi (misali, daga 1018 zuwa 4140 karfe), ko kuma dole ne a rarraba nauyin turawa a kan zobba da yawa. A cikin sararin sama, muna yawan amfani da 'ƙarfafa' hular ƙarewa don samar da ƙarin tallafi zuwa gefen shaft.
