Answer
Ya kamata a kiyaye keɓance tsakanin kaurin zoben $t$ da faɗin tsagi $G_w$ zuwa mafi ƙanƙanta don hana axial 'rufewa' kuma don tabbatar da zoben ya kasance daidai da lodi. Ƙimar ƙayyadaddun ƙayyadaddun bayanai shine $G_{nisa} = t_{max} + 0.05$ mm. Tsayawa mai yawa yana ba da damar zobe ya karkata a ƙarƙashin kaya, wanda ke haifar da tasirin 'wedging' wanda zai haifar da gazawar tsagi ko rushewa. Koyaya, wasu sharewa ya zama dole don lissafin 'tasa' jurewar zobe da ba da izinin faɗaɗa zafi. A cikin takamaiman aikace-aikacen, ana iya amfani da 'zaɓi fitting' ko 'shimming', kodayake wannan yana da wuyar riƙe zoben; maimakon haka, sau da yawa ana ƙara magudanar ruwa don ɗaukar duk wasan axial.