Sobanura uburyo bwo kunanirwa kwa 'Shear Failure' mu kuzenguruka kuzenguruka hamwe n'uruhare rwo gukomera.

Kunanirwa gukata bibaho mugihe umutwaro urenze imbaraga zogukoresha ibikoresho, 'ugatobora' impeta kumurongo wumurongo wa groove. Ubu ni uburyo bworoshye bwo gutsindwa kandi buramenyerewe cyane mu mpeta zifite ubukana bwinshi (HRC> 52). Mugihe gukomera kwinshi byongera imbaraga zogosha $ S_s $, bigabanya ubukana bwibikoresho. Niba impeta ikorewe imitwaro, impeta-ikomeye irashobora gufata aho guhinduka. Kuri porogaramu nyinshi, urwego rukomeye rwa HRC 44-48 kubyuma bya karubone cyangwa HRC 40-45 kuri 17-7PH bitanga uburinganire bwiza hagati yimbaraga zogosha no kurwanya ingaruka.