Menene gobarar masana’antu guda huɗu?

1. Yin kira

Hanyar aiki: Bayan dumama karfe zuwa digiri Ac3 + 30 ~ 50 ko AC1 + 30 ~ 50 digiri ko zafin jiki da ke ƙasa Ac1 (ana iya tuntuɓar bayanan da suka dace), galibi ana sanyaya shi sannu a hankali tare da zafin wuta.

Nufa:

1. Rage taurin, inganta filastik, da inganta aikin yankewa da matsa lamba;

2. Gyara hatsi, inganta kayan aikin injiniya, da kuma shirya don tsari na gaba;

3. Kawar da damuwa na cikin gida wanda sanyi da sarrafa zafi ke haifarwa.

Abubuwan aikace -aikacen:

1. Ya dace da karfe tsarin karfe, carbon kayan aiki karfe, gami kayan aiki karfe, high-gudun karfe forgings, welded sassa da m albarkatun kasa;

2. Gabaɗaya, annealing ne da za’ayi a cikin m jihar.

2. Yin al’ada

Hanyar aiki: Haɗa karfe zuwa digiri 30 ~ 50 sama da Ac3 ko Accm, kuma sanyaya shi a cikin yanayin sanyaya dan kadan fiye da na annealing bayan adana zafi.

Nufa:

1. Rage taurin, inganta filastik, da inganta aikin yankewa da matsa lamba;

2. Gyara hatsi, inganta kayan aikin injiniya, da kuma shirya don tsari na gaba;

3. Kawar da damuwa na cikin gida wanda sanyi da sarrafa zafi ke haifarwa.

Abubuwan aikace -aikacen:

Normalizing yawanci ana amfani da shi azaman tsarin jiyya na zafin jiki don ƙirƙira, welding da sassan carburized. Don ƙananan carbon da matsakaici-carbon carbon tsarin karfe da ƙananan kayan ƙarfe na ƙarfe tare da ƙananan buƙatun aiki, ana iya amfani da shi azaman maganin zafi na ƙarshe. Don matsakaicin matsakaici da manyan ƙarfe na gami, sanyaya iska na iya haifar da ƙarewa ko ɓarna, don haka ba za a iya amfani da shi azaman tsarin kula da zafi na ƙarshe ba.

3. Kashewa

Hanyar aiki: dumama karfe zuwa sama da yanayin canjin lokaci Ac3 ko Ac1, ajiye shi na wani ɗan lokaci, sannan a kwantar da shi cikin sauri cikin ruwa, nitrate, mai, ko iska.

Manufa: Quenching gabaɗaya shine don samun tsarin martensite mai ƙarfi mai ƙarfi, kuma wani lokacin idan ana kashe wasu karafa masu ƙarfi (kamar bakin ƙarfe da ƙarfe mara ƙarfi), shine a sami tsari guda ɗaya na austenite don haɓaka juriya. da juriya na lalata.

Abubuwan aikace -aikacen:

1. Gabaɗaya ana amfani da shi don carbon karfe da gami karfe tare da abun ciki na carbon fiye da 0.3%; 2. Quenching zai iya ba da cikakken wasa ga ƙarfin da kuma sa ƙarfin juriya na karfe, amma a lokaci guda zai haifar da damuwa na ciki da kuma rage ƙarfin karfe. Plasticity da tasirin tasiri, don haka ana buƙatar zafin jiki don samun ingantattun kaddarorin inji.

4. Zafin rai

Hanyar aiki:

Sassan karfen da aka kashe ana mai da su zuwa zafin jiki da ke ƙasa da Ac1, kuma bayan adana zafi, ana sanyaya su cikin iska ko mai, ruwan zafi, da ruwa.

Nufa:

1. Rage ko kawar da damuwa na ciki bayan quenching, rage nakasawa da fashewa na workpiece;

2. Daidaita taurin, inganta filastik da tauri, da kuma samun kayan aikin injiniya da ake buƙata;

3. Stable workpiece size.

Abubuwan aikace -aikacen:

1. Yi amfani da ƙananan zafin jiki don kula da babban taurin da kuma sa juriya na karfe bayan quenching; yi amfani da zafin jiki na matsakaici don inganta elasticity da ƙarfin ƙarfin ƙarfe yayin da yake riƙe da wani ƙarfi; don kula da babban tasiri tauri da filastik Mafi yawa, lokacin da akwai isasshen ƙarfi, ana amfani da zafin jiki mai zafi;

2. Gaba ɗaya, karfe ya kamata a yi zafi a digiri 230 ~ 280 da bakin karfe ya kamata a yi zafi a 400 ~ 450 digiri, saboda tashin hankali zai faru a wannan lokacin.