Official Answer
Answer
Ƙwararriyar cirewa shine katsewar lissafi wanda ke aiki azaman mai tattara damuwa (Factor Concentration Factor $ K_t$). A cikin aikace-aikace masu ƙarfi inda zoben ke fuskantar jujjuyawar lodin axial ko girgiza, damuwa a ƙima na iya wuce iyakar juriyar kayan koda kuwa ƙarancin ƙima. Tsagewar zai fara farawa ne a tushen ƙwanƙwasa kuma yana yaduwa ta hanyar waya. Don magance matsala, mutum ya kamata: 1) Ƙara radius a tushen daraja; 2) Yi amfani da kayan aiki tare da ƙarfin gajiya mai girma (misali, 17-7PH CH900); 3) Shot-peen zoben don gabatar da matsalolin matsa lamba; ko 4) Matsar da daraja zuwa yanki mai ƙarancin damuwa na taron.
