Bawul ɗin jefawaan jefa shi cikin bawul ɗin, madaidaicin matsi na bawul ɗin gabaɗaya yana da ɗan ƙaramin ƙarfi (kamar PN16, PN25, PN40, amma kuma akwai matsi mai ƙarfi, zai iya zama 1500LD, 2500LB), yawancin caliber ɗin ya fi DN50.Ƙirƙirar bawulolian ƙirƙira su.Ana amfani da su gabaɗaya a cikin manyan bututun mai.Matsakaicin ƙarami ne, kuma gabaɗaya suna ƙasa da DN50.
A, yin wasan kwaikwayo
1. Casting: shine tsarin narkewar karfe a cikin ruwa wanda ya cika wasu bukatu da kuma zuba shi a cikin simintin simintin.Bayan sanyaya da ƙarfafawa, ana samun simintin gyare-gyare (ɓangarorin ko fanko) tare da ƙayyadaddun siffa, girma da aiki.Fasaha na asali na masana'antar kera kayan aikin zamani.
2, fitar da simintin gyare-gyare na farashi mara nauyi yana da ƙasa, don siffa mai rikitarwa, musamman tare da sassan rami mai rikitarwa, ƙari na iya nuna tattalin arzikinta;A lokaci guda, yana da faffadan daidaitawa da kyawawan kaddarorin injiniyoyi.
3, amma kayan da ake bukata domin simintin samar (kamar karfe, itace, man fetur, gyare-gyaren kayan, da dai sauransu) da kuma kayan aiki (kamar karfe tanderun, yashi hadawa inji, gyare-gyaren inji, core-yin inji, shaker, harbi ayukan iska mai ƙarfi inji, girgiza, harbi ayukan iska mai ƙarfi inji). simintin ƙarfe, da dai sauransu) sun fi yawa, kuma zai haifar da ƙura, gas mai cutarwa da hayaniya da gurɓata muhalli.
4. Casting wani nau'in fasahar aiki ne na ƙarfe mai zafi wanda ke da tarihin kusan shekaru 6000.A cikin 3200 BC, simintin kwadi na tagulla sun bayyana a Mesopotamiya.Tsakanin karni na 13 BC zuwa 10 BC, kasar Sin ta shiga zamanin da ake yin wasan kwaikwayo na tagulla, tsarin ya kai wani matsayi mai kyau, irin su daular Shang Simuwu square Ding mai nauyin kilogiram 875, daular Jihou Yi Zunpan ta Jihohin Yaki da Daular Han ta Yamma. madubi bayyananne sune samfuran wakilci na tsohuwar simintin gyare-gyare.Yin simintin farko ya sami tasiri sosai ta hanyar tukwane, kuma yawancin simintin kayan aiki ne ko kayan aikin noma, addini, rayuwa da sauran fannoni, masu launin zane mai ƙarfi.A cikin 513 BC, kasar Sin ta samar da ƙarfe na farko a rubuce a duniya - Jin Casting Ding (kimanin kilogiram 270).Kusan karni na 8, Turai ta fara samar da baƙin ƙarfe.Bayan juyin juya halin masana'antu a karni na 18, simintin gyare-gyare ya shiga wani sabon lokaci na hidimar manyan masana'antu.A cikin 20th karni, da m ci gaban da simintin gyaran kafa, ya ɓullo da ductile baƙin ƙarfe, malleable Cast baƙin ƙarfe, matsananci-low carbon bakin karfe da aluminum jan karfe, aluminum silicon, aluminum magnesium gami, titanium tushe, nickel tushe gami da sauran simintin karfe kayan. kuma ya ƙirƙiro sabon tsari don baƙin ƙarfe mai launin toka don aiwatar da maganin.Bayan shekarun 1950, an bullo da sabbin fasahohi irin su rigar yashi babban matsin lamba, gyare-gyaren yashi mai taurin rai, yin sinadari, gyare-gyaren matsa lamba, da sauran simintin gyare-gyare na musamman da harbe-harbe.
5. Akwai nau'ikan simintin gyaran kafa.Bisa ga tsarin tallan kayan kawa hanya, shi ne al'ada zuwa kashi 0 talakawa yashi simintin gyaran kafa, ciki har da rigar yashi irin, busasshen yashi irin da kuma sinadaran hardening yashi irin 3. (2) musamman simintin gyaran kafa, latsa gyare-gyaren kayan da za a iya raba na halitta ma'adinai yashi kamar yadda manyan kayan gyare-gyaren simintin gyare-gyare na musamman (misali, simintin gyare-gyaren gyare-gyare, gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare) gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyare, gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyare, da dai sauransu) da karfe a matsayin babban kayan gyare-gyare na musamman (irin su gyare-gyaren karfe , simintin simintin gyare-gyare, ci gaba da yin simintin gyare-gyare, ƙananan simintin gyare-gyare, simintin centrifugal, da dai sauransu).
6, tsarin simintin gyare-gyare yawanci ya haɗa da: (simintin (kwantena) yana sa ruwa mai ƙarfi simintin gyare-gyare, jefawa bisa ga kayan za a iya raba zuwa yashi mold, karfe, yumbu, laka, graphite, da dai sauransu, za a iya raba ta amfani da yarwa, Semi dindindin dindindin. da nau'in dindindin, ingancin tsari sune manyan abubuwan da suka dace da ƙarfe na ƙarfe, sittin da kuma zuba na simintin ƙarfe, simintin ƙarfe da kuma jefa sutthoyan ƙarfe; (3) jiyya na jiyya da dubawa, simintin gyaran kafa, ciki har da kau da core da simintin gyaran kafa surface kasashen waje, simintin cire riser kau, felu nika burr da sauran protrusion, zafi magani, siffata, antirust magani da kuma m machining.Inlet famfo bawul.
Na biyu ƙirƙira
1, ƙirƙira: shine amfani da injunan ƙirƙira akan matsin ƙarfe na billet, nakasar filastik don samun takamaiman kaddarorin inji, takamaiman tsari da girman hanyar sarrafa jabun.
2, daya daga cikin manyan abubuwa guda biyu na ƙirƙira.Ta hanyar ƙirƙira na iya kawar da ƙarfe kamar yadda simintin simintin gyare-gyare, ramukan walda, kayan aikin injiniya gabaɗaya ya fi simintin ƙarfe iri ɗaya.Don mahimman sassa tare da babban nauyi da yanayin aiki mai tsanani a cikin injiniyoyi, ana amfani da ƙirƙira mafi yawa ban da faranti, bayanin martaba ko sassan walda tare da siffar mai sauƙi wanda za'a iya mirgina.
3, ƙirƙira bisa ga hanyar ƙirƙira za a iya raba su zuwa: 0 buɗaɗɗen ƙirƙira (ƙirƙirar kyauta).Yin amfani da ƙarfi ko matsa lamba don yin ƙarfe tsakanin babba da ƙasa biyu nakasar hana baƙin ƙarfe (anvil block) don samun abubuwan da ake buƙata na ƙirƙira, galibi ƙirƙira ta hannu da ƙirƙira na inji.② Ƙirƙirar yanayin rufewa.Ƙarfe ɗin blank ɗin yana lalacewa a ƙarƙashin matsin lamba a cikin ɗakin ƙirjin ƙirƙira na wani nau'in sifa, kuma ƙirjin za a iya raba shi zuwa ƙirƙirar mutuwa, ƙirƙirar sanyi, rotary ƙirƙira, extrusion da sauransu.A cewar nakasar zafin jiki ƙirƙira za a iya raba zafi forging (da aiki zafin jiki ne mafi girma daga recrystallization zafin jiki na blank karfe), dumi ƙirƙira (ƙasa da recrystallization zafin jiki) da kuma sanyi ƙirƙira (al'ada zazzabi).
4, da ƙirƙira kayan ne yafi iri-iri na sassa na carbon karfe da gami karfe, bi aluminum, magnesium, titanium, jan karfe da kuma gami.Asalin yanayin kayan ya haɗa da sanduna, sarƙoƙi na simintin gyare-gyare, foda na ƙarfe da ƙarfe na ruwa.Matsakaicin yanki na giciye na ƙarfe kafin nakasawa zuwa yanki na mutuwa bayan nakasawa ana kiransa rabon ƙirƙira.Daidaitaccen zaɓi na ƙirƙira fiye da inganta ingancin samfur, rage farashin yana da alaƙa mai girma.
Lokacin aikawa: Juni-01-2021