Official Answer
Answer
Sau da yawa ana iyakance ƙarfin turawa ta kayan tsagi maimakon zoben kanta. Ana ba da izinin tuƙi $F_g$ ta $F_g = \ frac{D %d \pi \sigma_y}{K}$, inda $D $ shine diamita na shaft/rasa, $d$ shine zurfin tsagi, $\sigma_y $ shine ƙarfin tsintsiya, kuma $K $ shine yanayin aminci (yawanci 2). Don kayan laushi kamar Aluminum 6061-T6, tsagi zai sau da yawa lalata filastik a gefen, yana haifar da zobe zuwa 'tasa' ko karkatar. Wannan karkatarwar yana rage ingantaccen yanki mai ƙarfi, yana haifar da fitar da wuri. Dole ne injiniyoyi su tabbatar da zurfin tsagi $d$ ya wadatar don kiyaye matsananciyar damuwa a ƙasa da ma'anar yawan amfanin ƙasa.
