Tsarin Ƙamshi na raparfin Ductile Iron

A cikin tsarin samarwa na al'ada na baƙin ƙarfe, kusan kashi 10% na ɓarkewar carbon ana amfani dashi gabaɗaya don kayan abinci. Wannan labarin yana magana ne kawai game da wasu batutuwa waɗanda yakamata a ba su kulawa ta musamman a cikin tsarin samarwa bayan haɓaka adadin raunin carbon da aka yi amfani da shi a cikin samar da baƙin ƙarfe mai ɗorewa a cikin tanderu. Dangane da aikin samarwa, marubucin ya gabatar da nasa ra'ayoyin don nunin abokan aiki.

Zaɓin cajin

(1) Karfe Karfe

Scrap da aka yi amfani da shi wajen samar da baƙin ƙarfe mai ɗaci ya kamata ya zama dunƙulewar carbon. Bai kamata ya ƙunshi abubuwan da ke hana ƙima ba, kamar chromium. Bai kamata ya ƙunshi abubuwan da ke haifar da abubuwan ɓacin rai ba. Yakamata guntun ƙarfe yakamata ya zama kusan 30% a cikin nau'in flakes mai kauri, wanda za'a iya shimfida shi a cikin tanderun.

(2) Recarburizer

• Co Coke mai inganci. Yakamata abun cikin sulfur ya zama ƙasa, lumpiness shine 60-80mm, kuma yana da babban ƙarfi. Ba za a iya murƙushe shi ba bayan an ƙone shi.
• ② Macijin electrode block. Zai fi kyau a sami wani tsayin don sauƙaƙe yanke cikin baƙin ƙarfe.

(3) Karfe Karfe

An fi amfani da shi don daidaita abubuwan carbon na baƙin ƙarfe. Fatan yin amfani da baƙin ƙarfe mai ƙarancin carbon sulfur tare da wC> 4%. Abun silicon a cikin baƙin ƙarfe alade ya fi dacewa, kuma samar da baƙin ƙarfe na nodular na iya zama ƙasa da ferrosilicon.

(4) Yin wariyar launin fata

Ana amfani da wakili mai cutarwa da inoculant bisa ga dabarun gargajiya, kuma an ƙaddara su daidai da ainihin yanayin kowane masana'anta.

Ji

Tsarin narkewa: Coke block + guntun ƙarfe block block electrode, ƙara yawan zafin jiki → cire coke block da block block → samfurin da bincika abun cikin carbon → ƙarfe alade → kayan dawowa → samfurin da bincika Si, Mn increase yawan zafin jiki → ferromanganese + ferrosilicon → fitarwa → Inoculation + spheroidization → zuba.　

Abubuwan taka -tsantsan yayin aiwatar da narkewar wuta sune kamar haka:

• An shigar da katangar coke a ƙasan tanderun, makasudin shine ƙirƙirar lokaci mai tsawo na coke a cikin baƙin ƙarfe. Adadin coke block shine kusan 5% na tarkace. Kimanin kashi 50% na kayan ya narke, kuma yakamata a rufe coke da ƙyallen ɓoyayyen ɓawon burodi. Hakanan yana yiwuwa a yi amfani da tubalan wutan lantarki na 60-80 mm maimakon coke da za a shigar a ƙasan tanderun azaman mai sake kunnawa, tare da ƙaramin abun cikin sulfur, wanda ya fi fa'ida don samun ƙarfe mai ƙyalli mai inganci.
• Yawan raƙuman baƙin ƙarfe da aka yi amfani da shi galibi ana ƙaddara shi ne ta ingantaccen ƙimar carbon. Ga masana'antun da suka fara amfani da wannan hanyar don samar da baƙin ƙarfe, kusan 30% ya fi kyau. Bayan inganta haɓaka ƙimar carbon, sannu a hankali ƙara adadin raunin ƙarfe. Yin amfani da ƙarfe mai yawa, idan haɓaka ƙimar carbon bai yi yawa ba, zai shafi silicon carbon daidai da samfurin ƙarshe.
• Bayan an narkar da baƙin ƙarfe, shigar da sandar lantarki don ƙara yawan zafin jiki a cikin tanderu da haɓaka ƙarfin carbon. Duk da haka, zafin wutar makera ya yi yawa, wanda ke ƙara yawan amfani da wuta kuma yana da lahani ga rufin murhu.
• Bayan an ƙiyasta yawan iskar carbon ɗin ya isa sosai, ɗauki tubalan coke da sandar lantarki, da samfur da bincika abubuwan da ke cikin carbon.
• Dangane da sakamakon bincike, ƙididdige adadin ƙarfe alade da aka ƙara da adadin ƙarfe na ductile da aka yi amfani da shi.
• Ƙayyade ko za a iya yin jimlar adadin narkakken baƙin ƙarfe tare da kayan da aka gyara bisa la'akari da ƙimar siliki.
• Bayan kayan narkewa sun narke, ɗauki samfurin kuma bincika abubuwan Si, Mn da sauran abubuwan haɗawa.
• Da kyau ƙara yawan zafin jiki na narkakken ƙarfe, ƙara abubuwan haɗawa gwargwadon sakamakon bincike, da ƙara ferrosilicon kafin tanderun ya isa zafin zafin wutar.
• An narkar da ferrosilicon zuwa yanayin da aka narke kuma nan da nan aka sake shi daga tanderun.
• Spheroidization, inoculation, da zubarwa ana aiwatar da su kamar yadda aka saba.

Ƙididdigar daidaitawa

Kamar yadda kowa ya sani, kaddarorin inji na baƙin ƙarfe ductile galibi sun dogara ne akan abun da ke cikin sinadarai, ƙimar sanyaya (baƙin ƙarfe-ductile baƙin ƙarfe) da tsarin jiyya mai zafi. Haɗin sinadarai shine sanadin ciki, tushen, da mai canzawa, kusan kowane tanderu ya bambanta. Don haka, ya zama dole a ƙarfafa gano abubuwan sunadarai da yin gyare -gyare a hankali, kuma bai dace a yi amfani da "tsayayyen rabo ba". A cikin abun da ke cikin sinadaran, kwatancen carbon yana da mahimmanci musamman. Musamman, nodular simintin ƙarfe da aka samar ta amfani da gogewar ƙarfe azaman babban caji, saboda ingancin haɓaka carbon yana da wuyar sarrafawa, kuma kwatankwacin carbon yana canzawa sosai, don haka yakamata a biya kulawa ta musamman don daidaita daidaiton carbon.

• Yi lissafin adadin ƙarfe alade da aka ƙara. Yi lissafin adadin ƙarfe alade da aka ƙara dangane da nazarin abubuwan da ke cikin carbon. A zahiri, shine daidaita daidaiton carbon na baƙin ƙarfe na nodular don ƙimar carbon ɗin da narkar da baƙin ƙarfe alade da ƙyallen ƙarfe ya isa daidai da carbon da ake buƙata don ƙarfe ƙarfe nodular. scrap ya ƙara × (abin da ake buƙata na carbon na nodular simintin ƙarfe-bincike na abun ciki na carbon) / (abun cikin carbon na baƙin ƙarfe alade-abin da ake buƙata na carbon na baƙin ƙarfe nodular)
• Lissafi na adadin da aka ƙera na baƙin ƙarfe mai jujjuya Carbon daidai da baƙin ƙarfe mai jujjuyawar asali al'ada ce, kuma adadin da aka ƙara ba babba bane. Saboda haka, bayan an ƙara ƙarfe mai ƙarfe, iskar carbon na baƙin ƙarfe a cikin tanderun duka ya cancanta. ƙarfe ya ƙara
• Ƙididdigar abun ciki na silicon Ƙididdigar lissafin shine kamar haka: Abun Silicon ≈ ((guntun ƙarfe + baƙin ƙarfe alade + adadin ƙarar baƙin ƙarfe na nodular) content abun cikin silicon / jimlar cajin] × 100% ≤ halattaccen abun cikin silicon na baƙin ƙarfe na asali Lokacin da aka kimanta siliki abun ciki ya yi yawa, ƙara ɗan ƙaramin ƙarfe mai jujjuyawar ƙarfe, kuma yi amfani da adadin baƙin ƙarfe alade da ɓarna tare da rabo na 9: 1 don yin jimlar cajin.
• Ƙididdigar Ƙarin Ferrosilicon Ƙididdigar lissafin shine kamar haka: Adadin ferrosilicon ya ƙara = [jimlar adadin × (abun cikin silicon da ake buƙata na ductile ƙarfe-ƙara abun cikin silicon ta hanyar inoculation-ƙara abun cikin silicon ta hanyar spheroidization-bincike na abun cikin silicon)] / abun cikin silicon na ferrosilicon
• An ƙidaya adadin manganese da sauran abubuwan da ke haɗa allo kamar haka: Adadin ƙarfe na ƙarfe da aka ƙara = jimlar adadin × (abun da ake buƙata na abun ciki na baƙin ƙarfe-ductile)/abun cikin gami a cikin baƙin ƙarfe Ba a rasa asarar kona ba. kunshe a cikin lissafin da ke sama.

Wannan saboda ƙarfe nodular simintin ƙarfe yana narkewa a cikin murhun shigarwar, kuma abubuwan ba su ƙone da yawa, kuma baƙin ƙarfe ma yana ƙonewa zuwa wani gwargwado. Idan kun haɗu da yanayi na musamman, ya kamata ku kula da ƙonawa.

Misalin aikace -aikacen daidaita abun da ke ciki:

• Yin amfani da murhun wutar lantarki na 1t don samar da ƙarfe ductile ƙarfe QT800-2, nauyin simintin shine 1000kg.
• "Abun haɗin sunadarai shine: wC = 3.5%, wSi = 2.5%, wMn = 0.5%, wP <0.07%, wS <0.02%, wMg = 0.03%～ 0.06%, wRE = 0.02%～ 0.04%.
• Bayan sake yin jana'izar, abun da ke cikin carbon na "goge narkakken ƙarfe" a cikin tanderun shine 2.5%.
• Adadin baƙin ƙarfe alade ƙara = 300 × (3.5%-2.5%) / (4%-3.5%) = 600 (kg)
• Adadin baƙin ƙarfe nodular da aka yi amfani da shi a cikin tanderu = 1000-300-600 = 100 (kg)
• Kimanin abun cikin silicon = (300 × 0.3%＋ 600 × 1.8%＋ 100 × 2.5%) × 100%= 1.42%
• Idan abun ciki na siliki na nodulizer shine 0.6%kuma abun cikin silicon na inoculant shine 0.4%, abun cikin silicon na baƙin ƙarfe na asali yakamata ya zama 1.5%, wanda ya fi abin da aka ƙera na silicon. Don wannan, ana iya amfani da baƙin ƙarfe na Z18 don daidaita kwatankwacin carbon, kuma za a iya amfani da baƙin ƙarfe da aka sake kunnawa don yin jimlar adadin cajin.
• Abun silicon shine 1.38% kuma abun cikin manganese shine 0.15% kafin a saki tanderun.
• Ferrosilicon ya kara adadin = [1000 (2.5%-0.6%-0.4%-1.38%)] / 75%= 1.6kg
• Ferromanganese ya kara adadin = [1000 (0.5%-0.15%)] / 65%= 5.4kg

4. Magana mai ƙarshe

A cikin samar da murhun wutar lantarki, muna amfani da guntun ƙarfe don samar da QT800-2, ƙarfin shine 800 ～ 1000MPa, kuma haɓakawa ya fi 4%.

A halin yanzu, akwai guntun ƙarfe da yawa a kasuwa, baƙin ƙarfe alade yana da tsada, kuma baƙin ƙarfe alade mai inganci ya fi karanci. Don haka, muna ba da shawarar cewa masana'antun da ayyukan samar da baƙin ƙarfe na nodular na iya komawa zuwa zato da aka ambata a sama da "musanya ƙarfe don ƙarfe" don samar da baƙin ƙarfe na nodular.

Da fatan za a adana tushe da adireshin wannan labarin don sake bugawa:Tsarin Ƙamshi na raparfin Ductile Iron

Minghe Kamfanin 'Yan Wasa Masu Mutu aka sadaukar domin tsirar da samar da inganci da kuma high yi Gyare sassa (karfe mutu simintin sassa Range yafi hada da Thin-Wall Mutu Wasa,Hot Chamber Mutu Wasa,Cold Chamber Mutu Wasa), Zagaye Sabis (Mutuwar 'Yan Wasa,CNC machining,Motsa Motsa, Jiyya na sama) .Adadin al'ada Aluminium ya mutu, magnesium ko Zamak / zinc mutu simintin gyare-gyare da sauran buƙatun simintin maraba don tuntube mu.

Karkashin kulawar ISO9001 da TS 16949, Ana aiwatar da dukkan matakai ta hanyar daruruwan injunan jefa simintin da suka mutu, injunan axis 5, da sauran kayan aiki, tun daga masu fashewa zuwa na’urar Ultra Sonic masu wanki.Minghe ba kawai tana da kayan aiki na zamani ba amma kuma tana da kwararru ƙungiyar ƙwararrun injiniyoyi, masu aiki da sufetoci don tabbatar da ƙirar abokin ciniki ta zama gaskiya.

Manufactureran kwangilar masana'antar mutu. Abubuwan haɓakawa sun haɗa da sassan sanyi na sassan mutuɗar aluminum daga 0.15 lbs. zuwa 6 lbs., saurin canje-canje da aka saita, da aikin inji. Sabis-ƙarin ayyuka sun haɗa da gogewa, faɗakarwa, lalatawa, fashewar harbi, zane, zane, rufi, haɗuwa, da kayan aiki. Abubuwan da aka yi aiki tare sun haɗa da allo irin su 360, 380, 383, da 413.

Zinc ya mutu don jefa ƙirar ƙira / sabis na injiniya tare. Custom manufacturer na daidaici tutiya mutu simintin gyaran kafa. Castananan 'yan simintin gyare-gyare, pressurean ƙwanƙwasa masu juzu'in juzu'in simintin gyare-gyaren juzu'ai, ƙera simintin gyare-gyare na al'ada, ɓangaren mutu da' yan wasa masu mutuwa masu zaman kansu da ƙofar da aka hatimce za a iya ƙera su. Za'a iya kerarrar 'yan simintin a tsayi da faɗi har zuwa 24 a ciki. A cikin +/- 0.0005 a cikin. Haƙuri.  

ISO 9001: 2015 bokan masana'anta ta mutu magnesium, Abubuwan haɓaka sun haɗa da matsin lamba na magnesium mai matsi mai yawa har zuwa tan 200 mai ɗumi mai zafi & 3000 ton mai sanyi, ƙirar kayan aiki, gogewa, gyare-gyaren, inji, foda & zanen ruwa, cikakken QA tare da damar CMM , taro, marufi & isarwa.

ITAF16949 bokan. Servicearin Sabis ɗin Gyare Hadawa zuba jari,yashi,Kushin nauyi, Stauren ɓoye ɓoye,Siffar Centrifugal,Cast Vacuum,Dindindin Mould Gyare, .Hanyoyin iyawa sun hada da EDI, taimakon injiniya, ingantaccen samfuri da aiki na sakandare.

Fitar Masana'antu Abubuwan Nazarin sassa don: Motoci, Bikes, Jirgin sama, kayan kiɗa, Jirgin ruwa, Na'urorin hangen nesa, na'urori masu auna sigina, na'urori masu auna sigina, Na'urori, Kayan lantarki, ,unshi, Clocks, Inji, Injiniya, Kayan Kaya, Kayan Jiki, Jigs, Telecom, Haske, Kayan aikin likita, Na'urar daukar hoto, Robobi, Sassaka, kayan sauti, kayan wasanni, Kayan aiki, Kayan wasa da ƙari. 

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By Minghe Mutu Wasa Wasa | Categories: Labarai masu Taimakawa |Material Tags: Gyare Aluminum, Zinc Gyare, Fitar Magnesium, Castan Wasanni, Bakin Karfe Cast, Fitar tagulla,Gyare Tagulla,Fitar Bidiyo,Tarihin Kamfanin,Aluminum Mutu Gyare | Comments Off