Official Answer
Answer
'Rolling' ko 'Dishing' na zoben karkace yana faruwa ne lokacin da ɗorawa ya sa zoben ya karkata, wanda zai kai ga fitar da wuri. Don hana wannan, tsagi dole ne ya sami kusurwa mai kaifi (mafi girman radius na $10\%$ na kauri $t$) da isasshe bango mai zurfi. Load ɗin 'Groove Deformation' $P_g$ galibi shine ƙayyadaddun abu maimakon nauyin 'Ring Shear' $ P_r$. Ana ƙididdige $P_g$ ta amfani da $P_g = \ frac {D \ pi G S_y}{K}$, inda $G$ shine zurfin tsagi, $ D$ shine shaft/ diamita, $ S_y $ shine ƙarfin yawan amfanin ƙasa na tsagi, kuma $ K$ shine yanayin aminci (yawanci 2.0). Idan gidaje abu ne mai laushi kamar aluminum, rami mai fadi da zobe mai kauri ya zama tilas.
