Normalizing shine maganin zafi wanda ke inganta ƙarfin ƙarfe. Bayan dumama sassan karfen zuwa zafin jiki na 30-50 ℃ sama da zafin AC3, rike su na wani lokaci kuma iska sanyaya su daga cikin tanderu. Babban siffa ita ce yawan sanyaya yana da sauri fiye da annealing amma ƙasa da quenching. A lokacin normalizing, da crystalline hatsi na karfe za a iya mai ladabi a cikin wani dan kadan sauri sanyaya tsari, wanda ba kawai cimma m ƙarfi, amma kuma muhimmanci inganta taurin (AKV darajar) da kuma rage hali na aka gyara zuwa crack Bayan normalizing, da m inji Properties. na wasu ƙananan gami zafi birgima karfe faranti, ƙananan gami karfe forgings, da simintin gyaran kafa za a iya ƙwarai inganta, da kuma yankan yi kuma za a iya inganta.
Normalizing ne yafi amfani da karfe workpieces. Normalizing da annealing na gaba ɗaya karfe iri ɗaya ne, amma yanayin sanyaya ya ɗan fi girma kuma microstructure ya fi kyau. Wasu karafa tare da ƙarancin sanyaya mai ƙarancin gaske na iya canza austenite zuwa martensite ta hanyar sanyaya cikin iska. Wannan magani ba a daidaita shi ba kuma ana kiransa iskar sanyaya quenching. Sabanin haka, wasu manyan kayan aikin giciye waɗanda aka yi da ƙarfe tare da ƙimar sanyaya mai mahimmanci ba za su iya samun martensite ba ko da bayan quenching a cikin ruwa, kuma tasirin quenching yana kusa da daidaitawa. Taurin karfe bayan al'ada ya fi girma fiye da haka bayan annealing. A lokacin da normalizing, ba lallai ba ne don kwantar da workpiece a cikin tanderu kamar annealing, wanda ya mamaye wani ɗan gajeren lokacin makera kuma yana da babban samar da yadda ya dace. Sabili da haka, a cikin samarwa, ana amfani da al'ada gaba ɗaya maimakon annealing gwargwadon yiwuwa. Don ƙananan ƙarfe na carbon tare da abun ciki na carbon ƙasa da 0.25%, taurin da aka samu bayan daidaitawa yana da matsakaici kuma ya fi dacewa don yanke fiye da annealing. Ana amfani da Normalizing gabaɗaya don yankewa da shirye-shiryen aiki. Don matsakaicin ƙarfe na carbon tare da abun ciki na carbon na 0.25-0.5%, al'ada kuma na iya biyan buƙatun yankan aiki. Don sassa masu nauyi da aka yi da irin wannan nau'in karfe, ana iya amfani da daidaitawa azaman maganin zafi na ƙarshe. Normalizing high carbon kayan aiki karfe da hali karfe ne don kawar da cibiyar sadarwa carbides a cikin tsari da kuma shirya tsarin for periodization annealing.
A karshe zafi magani na talakawa tsarin sassa, saboda da mafi m inji Properties na workpiece bayan normalizing idan aka kwatanta da annealed jihar, za a iya amfani da a matsayin karshe zafi magani ga wasu talakawa tsarin sassa da low danniya da kuma yi bukatun, don rage tafiyar matakai. , adana makamashi, da haɓaka haɓakar samarwa. Bugu da kari, ga wasu manyan ko hadaddun sassa, a lokacin da akwai hadarin fashe a lokacin quenching, normalizing iya sau da yawa maye gurbin quenching da tempering jiyya a matsayin karshe zafi magani.
Imel:oiltools14@welongpost.com
Grace Ma
Lokacin aikawa: Oktoba-23-2023
