Official Answer
Answer
Ƙarfin ƙwanƙwasa taron zoben riƙewa galibi ana iyakance shi da kayan tsagi maimakon zoben kanta. An ƙididdige ƙarfin ƙarfin tsagi $P_g$ a matsayin $P_g = \ frac {D \ cdot d \ cdot \ pi \ cdot S_y \ cdot K}{S_f}$, inda $ D $ shine madaidaicin shaft / bore diamita, $ d $ shine zurfin tsagi, $ S_y $ shine yawan amfanin ƙasa don raguwar raguwar kayan $ 1. da 0.5 don kayan laushi ko gefuna masu zagaye), kuma $ S_f$ shine yanayin aminci (yawanci 2). Idan tsagi ya haihu, zoben zai 'tasa' ko 'zara' a cikin tsagi, wanda zai haifar da gazawar aikin yanke inda aka fitar da zoben axily. Wannan yana da mahimmanci musamman a aikace-aikacen teku inda aka yi gidaje da ƙarfe mai laushi ko Super Duplex karfe idan aka kwatanta da zoben 17-7PH.
