(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 saman birgima mai sanyi 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.
Ma'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 tsiri karfe ne daya daga cikin manyan nau'in kayayyakin karfe, wanda yadu amfani a masana'antu, noma, sufuri da gine-gine, kuma a lokaci guda da sanyi birgima.welded bututu, Karfe da aka yi sanyi da sauran kayan masarufi don samar da abin da ya ke fitarwa a cikin abin da kasar Sin ke fitarwa na shekara-shekara na karafa a jimillar babban kaso na babban rawar da ake takawa wajen samar da karfen birgima.
A kasashen da suka ci gaba a masana'antu.zafi birgima farantinsannan ya kai kashi 80 cikin 100 na jimlar farantin karfe da tsiri, wanda ya kai sama da kashi 50 cikin 100 na jimillar karafa da ake nomawa, kuma a gasar kasuwanin duniya 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, m 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)bakin tsiri annealed: sanyi birgima tsiri kai tsaye mai tsanani zuwa annealing zafin jiki, da surface launi saboda high zafin jiki daukan hotuna zuwa iska baki. 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) mai haske annealed tsiri: kuma baki annealed babban bambanci shi ne cewa dumama ba a lamba tare da iska, tare da nitrogen da sauran inert iskar gas an kare, da surface launi don kula da sanyi birgima tsiri, ban da baki annealed amfani kuma ana amfani da su. surface na nickel plating da sauran surface jiyya, kyau da kuma 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 karfe don mota, injinan noma, masana'antar sinadarai, gwangwani abinci, gini, kayan lantarki da sauran amfani da masana'antu, amma kuma yana da alaƙa kai tsaye tare da rayuwar yau da kullun,kamar firji 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.
Lokacin aikawa: Maris-06-2024
