Official Answer
Answer
Wave maɓuɓɓugar ruwa mai mu'amala tare da abubuwan haɗaɗɗun magudanar ruwa a igiyoyin igiyar ruwa. Ƙarshen saman waɗannan filayen mating (misali, tseren ɗaure ko kafadar gidaje) yana tasiri kai tsaye ga gogayya da lalacewa. Ana ba da shawarar ƙarancin saman $R_a 32 μin$ ko mafi kyau. Mummunan saman yana aiki kamar fayil, sanye da igiyoyin igiyar ruwa kuma yana rage kaurin kayan $t$. Tun da farashin bazara $k$ ya yi daidai da $t^3$, ko da ƙananan raguwa a cikin kauri yana haifar da hasara mai yawa a cikin kaya. A cikin aikace-aikacen mitoci masu girma, wannan lalacewa (fretting) na iya haifar da tarkacen ƙarfe, wanda zai iya gurɓata abubuwan da ke da mahimmanci kamar firikwensin gani ko daidaitattun bearings.
