Official Answer
Answer
Matsalolin shigarwa $\sigma_i$ na zobe na ciki yana faruwa lokacin da aka matsa don dacewa da gunkin. Ana lissafta shi azaman $\sigma_i = \frac{E \cdot b \cdot (D_g - D_f)}{D_m^2}$, inda $D_g$ shine diamita na tsagi kuma $D_f$ shine diamita na kyauta. Idan bangon radial $ b$ ya yi girma sosai, damuwa yayin shigarwa na iya wuce iyakar kayan abu, yana haifar da 'saiti na dindindin'. Wannan yana nufin zoben ba zai 'koma baya' a cikin ramin ba, wanda zai kai ga rashin dacewa. Akasin haka, $b$ wanda ya yi ƙanƙanta yana rage ƙarfin turawa. Dole ne ƙira ta daidaita waɗannan ta amfani da 'ratio na faɗaɗa', yana tabbatar da $\sigma_i <0.8 \cdot S_y$ don shigarwa mai maimaitawa.
