* Ma'anar Annealing mai haske
Bright annealing (BA) yana nufin cewa bakin karfe abu ne mai zafi a cikin rufaffiyar tanderu a cikin rage yanayi na inert gas da talakawa hydrogen.Bayan annashuwa da sauri da saurin sanyaya, saman saman bakin karfe yana da kariya mai kariya, wanda ba shi da tunani a cikin yanayin sararin samaniya.Wannan Layer yana tsayayya da harin lalata.Gabaɗaya, saman kayan yana da santsi da haske.
* Bututu Karfe Mai Haske
Ana sarrafa bututun ƙarfe bayan annealing mai haske.A cikin wannan tsari, wasu dalilai suna da mahimmanci ga ingancin bututun ƙarfe.Idan tsarin cirewa mai haske bai dace ba, zai haifar da tsagewa, wanda zai iya lalata.Bututu mai sassauƙa yawanci yana cikin yanayi mai haske.
* Shiri kafin annealing mai haske
Dole ne saman bututu ya zama mai tsabta kuma ba tare da sauran abubuwa na waje ba, duk wani abu da aka bari a saman bututu zai haifar da lalacewa yayin aiki.
Sabili da haka, bayan fahimtar cikakkun bukatun abokin ciniki, idan abokin ciniki yana so ya samar da bututun masana'antu masu ƙima, gabaɗaya muna ba da shawarar ƙara tsarin tsaftacewa kafin annealing mai haske.Ana tsabtace bututun ƙarfe daga datti da tabo mai tare da ruwan zafi, sa'an nan kuma da sauri ya bushe a cikin tanderun wuta don maganin zafi, kuma tasirin haske zai fi kyau.
* Yanayin kariya
Ya kamata yanayin da ba shi da isasshen iskar oxygen, yana samar da yanayi mara kyau.Gas mai karewa yawanci busassun hydrogen ko argon don sakamako mai haske.
* Zazzabi mai zafi
Yakamata a ƙayyade zafin zafin jiki bisa ga nau'ikan bakin karfe daban-daban.Gabaɗaya, zafin zafin baƙin ƙarfe na austenitic shine aƙalla digiri 1040, kuma lokacin jiƙa ba shi da mahimmanci.Maɗaukakin yanayin zafi ya zama dole don bayyanar haske.Zafi da sauri kamar yadda zai yiwu, jinkirin zafi zai haifar da iskar shaka.
Wasu bakin karfe na ferritic suna buƙatar ƙananan yanayin zafi, kamar TP439, wanda ba zai iya zama mai haske mai haske ba, kuma quenching ruwa zai samar da ma'aunin oxide.
Bayan annashuwa mai haske, shigar da mataki na ƙarshe na ƙima da daidaitawa, saman bututun bakin karfe yana ba da haske mai haske, kuma bututu mai haske baya buƙatar tsinke.
* Manufa da fa'idodin cirewa mai haske:
1) Kawar da hardening aiki da samun gamsasshen tsarin metallographic.
2) Sami wani wuri mai haske, mara oxidizing da juriya.
3) Magani mai haske yana kiyaye shimfidar wuri mai santsi, kuma ana iya samun wuri mai haske ba tare da magani ba.
Ana rarraba tanda mai haske zuwa nau'i biyu.Ɗayan tanderu ce mai nau'in raga, ɗayan kuma kayan aiki ne na bututu guda ɗaya.Gabaɗaya, tanderu mai nau'in raga na iya sarrafa bututun ƙarfe da yawa tare da inganci sosai.Amma gazawar tanderun murfi kuma a bayyane yake.Saboda babban ciki na jikin tanderun, lokacin preheating yana buƙatar zama tsayi sosai, don haka amfani da makamashi yana da girma.Bugu da ƙari, saboda ƙarancin rufewa, zai kuma yi amfani da iskar gas mai yawa, amma tasirin haske ba shi da kyau.Ba shi kan layi guda-tube mai ci gaba da murhun wuta mai haske da gazawar da ke sama.Sabili da haka, zai zama mafi kyawun zaɓi ga masana'antun da suke so su samar da bututun ƙarfe masu daraja ko kuma suna so su shiga kasuwar bututun ƙarfe mai tsayi. Hangao Tech (Mashinan SEKO) shima yana da samfura daban-daban guda biyu don zaɓar daga.Nau'in Zhijin ya fi ceton makamashi kuma yana da alaƙa da muhalli, kuma nau'in rufin zafin jiki na iya samun ingantaccen haske.
