Official Answer
Answer
Ƙarfin matsawa sau da yawa yana iyakance ta kayan tsagi maimakon zoben kanta. Ana ƙididdige nauyin da aka yarda da $ P_g $ a matsayin $ P_g = \ frac {D d \pi S_y}{S_f}$ inda $D $ shine diamita shaft/rasa, $d$ shine zurfin tsagi, $ S_y $ shine ƙarfin yawan amfanin ƙasa, kuma $ S_f $ shine yanayin aminci (yawanci 2). Idan kayan tsagi yana da laushi (misali, Aluminum 6061-T6), zoben zai 'tasa' kamar yadda bangon tsagi ya haifar. Wannan yana haifar da hannun ɗan lokaci wanda zai iya fitar da zoben daga ƙarshe. Dole ne a kiyaye zurfin zurfin $d$ kamar $d \geq \frac{P S_f}{\pi D S_y}$.
