Bambanci tsakanin zafi birgima karfe tsiri da sanyi birgima karfe tsiri

(1) sanyi birgima karfe farantin saboda wani mataki na aiki hardening, taurin ne low, amma zai iya cimma mafi flexural ƙarfi rabo, amfani da sanyi lankwasawa spring takardar da sauran sassa.

(2) farantin sanyi ta amfani da yanayin sanyi mai birgima ba tare da fata mai oxidized ba, inganci mai kyau. Hot birgima karfe farantin ta amfani da zafi birgima aiki surface oxide fata, farantin kauri yana karkashin bambanci.

(3) zafi birgima karfe farantin taurin da surface flatness ne matalauta, farashin ne m, yayin da sanyi birgima farantin mikewa mai kyau, tauri, amma mafi tsada.

(4) An raba mirgina zuwa farantin ƙarfe mai sanyi da zafi mai birgima, tare da zafin jiki na recrystallization a matsayin maƙasudin bambanta.

(5) Juyin sanyi: ana amfani da mirgina sanyi wajen samar da tsiri, saurin mirginawa ya fi girma. Hot birgima karfe farantin: zafin zafi mirgina yayi kama da na ƙirƙira.

(6) Filayen farantin karfen da aka yi birgima ba tare da platin ba sai ya zama ruwan kasa baqi, saman farantin karfen sanyi ba tare da platin ba sai launin toka, sannan bayan an yi shi za a iya bambanta shi da santsin saman wanda ya fi na zafi sama. birgima karfe farantin.

zafi birgima karfe tsiri

sanyi birgima karfe tsiriMa'anar zafi birgima karfe tsiri

Hot-birgima tsiri nisa kasa da ko daidai da 600mm, kauri na 0.35-200mm karfe farantin da kauri na 1.2-25mm karfe tsiri.

Matsayin Kasuwa Mai Zafi da Hanyar Ci gaba

Hot birgima karfen na daya daga cikin manyan nau'o'in kayayyakin karafa, wanda aka fi amfani da shi a masana'antu, noma, sufuri da gine-gine, kuma a lokaci guda da sanyi birgima, welded bututu, sanyi kafaffen karfe da sauran albarkatun kasa don samar da shi. Abubuwan da aka fitar a cikin kayan aikin ƙarfe na shekara-shekara na kasar Sin a cikin jimlar adadin mafi girman kaso na babban rawar da ake takawa wajen samar da birgima.

A cikin kasashen da suka ci gaba a masana'antu, faranti mai zafi da ratsin karfe sun kai kusan kashi 80% na jimillar adadin farantin karfe da tsiri, wanda ya kai sama da kashi 50% na yawan karafa da ake kerawa, sannan a gasar kasuwannin kasa da kasa da ke kan gaba.

A kasar Sin, samfuran samfuran karfe masu zafi na gabaɗaya, ƙarancin kauri na 1.8mm, amma a zahiri, masana'antun kaɗan a halin yanzu suna samar da ƙaramin tsiri mai zafi tare da kauri na ƙasa da 2.0mm, koda kuwa kunkuntar tsiri. , kauri daga cikin samfurin gaba ɗaya ya fi 2.5mm.

Don haka, babban ɓangaren bege cewa kauri na ƙasa da 2mm tsiri a matsayin masu amfani da albarkatun ƙasa, dole ne a yi amfani da tsiri mai sanyi.

Tushen Sanyi

Cold birgima karfe tsiri: karfe a recrystallization zafin jiki a kasa da nakasar mirgina ake kira sanyi birgima, kullum yana nufin tsiri ba mai tsanani da kuma a dakin zafin jiki kai tsaye mirgina tsari. Tushen sanyi na iya yin zafi ga taɓawa, amma har yanzu ana kiran sa sanyi birgima.

Cold yi birgima samar iya samar da wani babban adadin high-madaidaici da kyau kwarai yi na karfe farantin karfe da tsiri, da mafi muhimmanci alama shi ne low aiki zafin jiki, idan aka kwatanta da zafi mirgina samar, yana da wadannan abũbuwan amfãni:

(1) Sanyi birgima kayayyakin tsiri daidai ne a cikin girman da kuma uniform a cikin kauri, da kuma bambanci a cikin tsiri kauri ne gaba ɗaya ba fiye da 0.01-0.03mm ko žasa, wanda zai iya cika da bukatun na high-madaidaici tolerances.

(2) Za'a iya samun tsiri na bakin ciki sosai waɗanda ba za a iya samar da su ta hanyar mirgina mai zafi ba (mafi ƙarancin iya zama har zuwa 0.001mm ko ƙasa da haka).

(3) The surface ingancin sanyi birgima kayayyakin ne m, babu wani zafi birgima tsiri sau da yawa bayyana pitting, guga man a cikin baƙin ƙarfe oxide da sauran lahani, kuma za a iya samar bisa ga mai amfani da bukatun na daban-daban surface roughness na tsiri (mai sheki). surface ko pitted surface, da dai sauransu), domin sauƙaƙe sarrafa na gaba tsari.

(4) Cold birgima tsiri karfe yana da kyau kwarai inji Properties da tsari Properties (kamar mafi girma ƙarfi, ƙananan yawan amfanin ƙasa iyaka, mai kyau zurfin zane yi, da dai sauransu).

(5) Babban saurin mirgina da cikakken ci gaba da mirgina za a iya gane, tare da babban yawan aiki.

Cold birgima tsiri karfe rarrabuwa

Cold birgima tsiri karfe ya kasu kashi biyu iri: baki da kuma haske.

(1) Baƙin tsiri mai ɓarna: sanyi mai birgima kai tsaye mai zafi zuwa zafin zafi, launi na saman saboda tsananin zafin jiki ga baƙar iska. Kaddarorin jiki sun zama taushi, gabaɗaya ana amfani da su don tsiri na ƙarfe sannan kuma tsawaita matsa lamba, tambari, nakasar babban aiki mai zurfi.

(2) tsiri mai haske: kuma baƙar fata annealed babban bambanci shine cewa dumama ba ta hulɗa da iska, tare da nitrogen da sauran iskar gas an kare su, launi na farfajiya don kulawa da kuma birgima mai sanyi, ban da baƙar fata annealed. Hakanan ana amfani da amfani don saman farfajiyar nickel plating da sauran jiyya na saman, kyakkyawa da karimci.

Bright tsiri karfe da baki Fading tsiri karfe bambanci: inji Properties ne kusan iri daya, mai haske tsiri karfe ne a cikin baki Fading tsiri karfe a kan tushen fiye da daya mataki na haske jiyya.

Amfani: Baƙar fata tsiri tsiri gabaɗaya ana yin shi zuwa samfuran ƙarewa kafin yin kyau don yin wasu gyaran gyaran gyare-gyare, ƙarfe mai haske za a iya buga shi kai tsaye cikin samfuran ƙarshe.

Sanyi birgima karfe samar ci gaban bayyani

Fasahar samar da tsiri mai sanyi alama ce mai mahimmanci na matakin ci gaban masana'antar ƙarfe. Bakin karfe farantin mota, injinan noma, masana'antar sinadarai, gwangwani abinci, gini, na'urorin lantarki da sauran amfani da masana'antu, amma kuma yana da alaƙa kai tsaye da rayuwar yau da kullun, kamar firiji na gida, injin wanki, talabijin da sauran buƙatun farantin karfe na bakin ciki. . Don haka, a wasu kasashen da suka ci gaba a masana'antu, farantin karfen bakin karfe ya kai yawan karuwar karafa a kowace shekara, a cikin farantin bakin karfe, tarkacen karfe, kayayyakin da aka yi da sanyi suna da yawa.