Mene ne zafi magani matakai

1. Annealing aiki Hanyar: Bayan dumama karfe zuwa Ac3 + 30 ~ 50 digiri ko Ac1 + 30 ~ 50 digiri ko da yawan zafin jiki a kasa Ac1 (dace bayanai za a iya tuntubar), kullum sanyi sannu a hankali tare da tanderun zafin jiki.

2. Hanyar aiki ta daidaitawa: zafi da karfe zuwa 30 ~ 50 digiri sama da Ac3 ko Accm, kuma kwantar da shi a wani dan kadan mafi girma sanyaya kudi fiye da annealing bayan zafi kiyayewa.

3. Hanyar aiki na kashewa: zafi karfe zuwa sama da yanayin canjin lokaci AC3 ko Ac1, ajiye shi na wani lokaci, sa’an nan kuma da sauri kwantar da shi cikin ruwa, nitrate, man fetur, ko iska. Manufa: Quenching gabaɗaya shine don samun babban tsari mai ƙarfi na martensitic. Wani lokaci, lokacin da ake kashe wasu manyan karafa (kamar bakin karfe da karfe mai jure lalacewa), shine a sami tsarin austenite guda ɗaya kuma iri ɗaya don haɓaka juriya. da juriya na lalata.

4. Hanyar aiki na zafin jiki: sake kunna karfen da aka kashe zuwa wani zazzabi a ƙasa da Ac1, kuma sanyaya shi cikin iska ko mai, ruwan zafi ko ruwa bayan adana zafi.

5. Quenching da tempering tsarin aiki: high zafin jiki tempering bayan quenching ake kira quenching da tempering, wato dumama karfe zuwa zafin jiki 10 ~ 20 digiri sama da na quenching, quenching bayan zafi kiyayewa, sa’an nan tempering a wani zazzabi na 400 ~ 720 digiri.

6. Hanyar aikin tsufa: zafi da karfe zuwa digiri 80 ~ 200, kiyaye zafin jiki na 5 ~ 20 hours ko ya fi tsayi, sa’an nan kuma fitar da shi daga cikin tanderun da kuma kwantar da shi a cikin iska. Manufar: 1. Tabbatar da tsarin karfe bayan kashewa, rage lalacewa yayin ajiya ko amfani; 2. Rage damuwa na ciki bayan quenching da nika, kuma daidaita siffar da girman.

7. Hanyar aiki na maganin sanyi: Sanya sassa na karfe da aka kashe a cikin matsakaicin matsakaicin zafi (kamar busassun kankara, ruwa nitrogen) zuwa -60 zuwa -80 digiri ko ƙasa, sannan fitar da daidaitattun zafin jiki zuwa zafin jiki.

8. Hanyar aiki na wutar lantarki dumama saman quenching: harshen wuta da ke ƙonewa tare da iskar oxygen-acetylene gauraye ana fesa a saman ɓangaren karfe, kuma yana zafi da sauri. Lokacin da zafin jiki ya kai, ana sanyaya shi ta hanyar fesa ruwa nan da nan.

9. Induction dumama yanayin aiki Hanyar: sanya sashin karfe a cikin inductor don samar da wutar lantarki a saman sashin karfen, zafi da shi zuwa yanayin zafi cikin kankanin lokaci, sannan a fesa ruwa don sanyaya.

10. Hanyar aiki na Carburizing: Sanya karfe a cikin matsakaicin carburizing, zafi shi zuwa digiri 900-950 kuma kiyaye shi dumi, don haka saman karfe zai iya samun nau’i mai nau’i mai nau’i tare da wani nau’i mai zurfi da zurfi.

11. Hanyar aiki da nitriding: yi amfani da atom ɗin nitrogen mai aiki wanda gas ɗin ammonia ya rushe a digiri 500 zuwa 600 don sanya saman ɓangaren ƙarfe ya cika da nitrogen don samar da nitrided Layer.

12. Nitrocarburizing tsarin aiki: carburizing da nitriding lokaci guda zuwa saman karfe. Manufa: Don inganta taurin, sa juriya, ƙarfin gajiya da juriya na lalata saman ƙarfe.