Surface jiyya na madaidaicin bututun ƙarfe shine ta hanyar canza madaidaicin ƙarfe saman nama zafi magani don canza kaddarorin saman.

Tsarin saman saman taurare goma sha ɗaya ya canza, ba tare da canza sinadarai na jiyya mai zafi ba. Ana iya amfani da shi babban mita, matsakaici ko mitar igiyoyin induction dumama ko hanyoyin dumama harshen wuta. Su na kowa alama shi ne gwada daidai karfe surface da sauri mai tsanani ga quenching zafin jiki, da kuma lokacin da zafi bai riga yada zuwa sassa na zuciya naúrar, sa'an nan sauri sanyaya, sabõda haka, high surface taurin, taurin da zuciya Ministry har yanzu high.

Canje-canje a cikin jiyya sinadarai goma sha ɗaya daidaitaccen ƙarfe saman sinadarai da ƙungiyar ya faru. Chemical magani daidai da madaidaicin bututun ƙarfe suna shiga cikin farfajiyar abubuwa daban-daban za a iya raba su zuwa carburizing, nitriding, carbonitriding, alloying da sauran hanyoyin. Haɓakawa da haɓaka madaidaicin ƙarfin sa na ƙarfe, juriya na lalata, juriya ga gajiya yana da tasiri sosai. Zuwa ci gaban saurin haɓakar sinadarai na yanzu, aikace-aikacen sabbin fasahohi da yawa.

A cikin injiniyan injiniya, yawancin sassan injin, irin su crankshaft na ingin konewa na ciki, gears, cam shaft da mai rage gear yana da mahimmanci, ba wai kawai yana buƙatar sashe na tsakiya yana da isasshen ƙarfi, ductility da flexural ƙarfi, kuma yana buƙatar wani kauri. na saman ciki na babban tauri, babban juriya da ƙarfin gajiya. Abubuwan da aka ambata na gabaɗayan zafi na gabaɗaya suna da wahala a lokaci guda su gamsar da buƙatun aikin da ke sama, yayin da amfani da jiyya na zafi na saman shine hanya mafi inganci don cimma waɗannan buƙatun aikin.