Official Answer
Answer
Dishing yana faruwa lokacin da nauyin axial $P$ ya sa zoben ya juya zuwa siffar mazugi. Za'a iya ƙididdige kusurwar coning $ \ phi$ ta la'akari da zobe a matsayin farantin madauwari tare da rami, an ƙaddamar da shi zuwa wani lokaci $ M = P \ lokuta (R_c - R_g) $, inda $R_c$ shine radius lamba na kaya kuma $ R_g $ shine radiyon amsawa. Kusurwar $\phi \kimanin \frac{M R_m}{E I}$. Lokacin da $\phi$ ya wuce kusan digiri 5 zuwa 7, haɗarin ringin 'birgima' daga tsagi yana ƙaruwa sosai. Don rage wannan a cikin aikace-aikace masu nauyi, injiniyoyi sun ƙididdige kayan da Modulus $E$ mafi girma ko ƙara faɗin kayan $b$ don ƙara lokacin rashin aiki $I$, ta haka yana ƙarfafa zobe a kan nakasar torsional.
