Inganta Shirin Yin Shell na Yanzu A Fitar Jarin

1 Tabbatar da haihuwa

An ƙaddara adadin inoculation gwargwadon tsarin ƙirar ƙarfe na samfur. Tsarin ƙarfe na ƙarfe da za a yi la’akari da shi ya haɗa da siffa da tsayin graphite, ko akwai ciminti, da abun cikin pearlite. Green yashi shine ƙirar yashi tare da saurin sanyaya cikin sauri a tsakanin duk ƙirar yashi. Yawan ruwan yana kusan kashi 3.0%, wasu kuma sun kai 4.0%. Sabili da haka, samar da sassan baƙin ƙarfe mai launin toka daga yashi kore yana iya haifar da ciminti a cikin sassan jikin bango, kuma sauran yanayin ba su canzawa. A karkashin yanayi, wannan ya zama mafi mahimmancin tushe don yin hukunci akan yawan adadin haihuwa. Kamfaninmu ya ci karo da irin wannan matsalar. Adadin ruwan ɗanyen baƙin ƙarfe iri ɗaya da inoculant iri ɗaya a cikin samfura daban-daban ya bambanta ƙwarai, daga 0.15% zuwa 0.9%, kuma sashin bangon da ke cikin samfurin tare da adadin inoculation 0.9% har yanzu Cementite yana faruwa. Ko da sifar sassan ta bambanta ƙwarai, irin wannan babban karkacewa ba shi da ma'ana. A saboda wannan dalili, mun gudanar da bincike a wurin.

Nauyin nauyin kowane nau'in samfura biyu shine 13 kg kasa da samfurin ɗaya. Sabili da haka, lokacin zubar da adadin baƙin ƙarfe iri ɗaya dole ne ya ninka ninki biyu. Ba za a iya canza nauyin zubin kowane irin baƙin ƙarfe ba. Ko da kuwa mai cutar, ba shi yiwuwa a hana shi raguwa a cikin mintuna 37. Matsalar ta ta'allaka ne da yawan ƙarfe da aka samar. Idan kuka rage adadin baƙin ƙarfe da aka samar a kowace fakiti kuma ku samar da ƙarin ƙarfe biyu, za a iya guje wa raguwar allurar; ko kuma idan an mayar da allurar rigakafin, wato don ƙara yawan allurar tare da kwarara, wannan matsalar kuma za a iya magance ta.

Tunda taɓarɓarewa da dandamalin hawa iri ɗaya ne, canza hanyar murɗawa babu makawa zai sami babban tasiri akan samarwa da dabaru, don haka muka zaɓi hanyar ƙara inoculation tare da kwarara. Dangane da bayanai daban -daban, gabaɗaya adadin inoculation na baƙin ƙarfe mai launin toka yana kusan kashi 0.2% don tabbatar da ingantaccen allurar. Mun yi ƙoƙarin ƙara yawan inoculation tare da kwarara.

Bayan ƙara adadin inoculation tare da kwarara, adadin inoculant da aka ƙara a cikin bututun ƙarfe yana raguwa sosai. Don haka, yin allura tare da kwarara hanya ce mafi kyau don magance raguwar inoculation. Duk da haka, adadin inoculation tare da kwarara ya yi yawa, kuma mai yin allurar ba zai narkar da shi gaba ɗaya ba. Sabili da haka, a ƙarshe mun zaɓi hanyar 0.3% don bututun ƙarfe + 0.18% don kwarara. Idan aka kwatanta da yashi kore, tasirin sanyi na yashi resin akan sassan baƙin ƙarfe ya yi ƙanƙanta sosai, kuma yuwuwar fararen bakin ya ragu sosai. Sabili da haka, ƙudurin ƙarfin inoculation yakamata yayi la’akari da siffa da tsayin graphite, da abun cikin pearlite.

2 Game da Baikou

Bakin baki sau da yawa suna bayyana a samfuranmu. Farar baki suna da babban tasiri kan aikin sarrafa samfur. Yadda ake hanawa da kawar da su koyaushe shine abin da aikin mu na yau da kullun yake. Akwai dalilai da yawa na farin baki. Anan mun ajiye tasirin siffar sashin da kanta da kuma danshi abun da yashi ke kerawa, kuma muna gudanar da wasu bincike ne kawai akan ɓangarorin narkakken baƙin ƙarfe da inoculation.

2.1 Tasirin ingancin baƙin ƙarfe

Idan ruwan ƙarfe na asali yana da farin baki mai zurfi, samfurin yana da farin farin baki, wanda sananne ne. Zurfin bakin bakin farin baƙin ƙarfe yana da alaƙa da gadon farar baƙin ƙarfe na baƙin ƙarfe, adadin abin da aka ƙara, da matakin w (S). A cikin tsarin samarwa, akwai lokacin lokaci. Saboda ƙarancin baƙin ƙarfe na alade, za mu iya amfani da baƙin ƙarfe alade na baƙin ƙarfe kawai don samar da simintin ƙarfe mai launin toka. Abubuwan da ke cikin w (Si) sun yi ƙasa kaɗan. An karɓi hanyar inoculation ta asali, kuma samfurin ya kasance fari da zurfi. Za a iya amfani da hanyar ƙara haihuwa kawai don kawar da farin baki.

Yin amfani da ƙarfe mai yawa da yawa zai kuma haifar da haɓaka samfur. Sakamakon S akan shiryawa yana da kyau, w (S) a cikin kewayon 0.05% zuwa 0.1% yana da kyau don shiryawa, kuma ba shakka yana da fa'ida don rage farin baki; idan w (S) yayi ƙasa, zaku iya amfani da baƙin ƙarfe sulfide Ana amfani da hanyar tattara hankali don ƙarin, amma w (S) ƙasa da 0.05%, dole ne a sami matsala? Kamfanin na na da samfurin 0.02% ~ 0.04% w (S) na dogon lokaci. Babu matsalar rashin haihuwa. Binciken ya yi imanin cewa wannan na iya kasancewa yana da alaƙa da inoculant da kamfaninmu ke amfani da shi.

Incoulant na SiBaCa da kamfanin mu ke amfani da shi yana da kyakkyawan tasirin inoculation akan ruwa mai ƙarfi da ƙananan w (S). Koyaya, don tabbatar da ingantaccen shiryawa, yana da kyau a sami babban abun ciki na w (S). 2.2 Tasirin yin allurar rigakafin Inoculants da ke da ƙarfi da ikon kawar da farin baki galibi sun haɗa da inoculants da ke ɗauke da Sr, RE, Ca da sauran abubuwa. Gabaɗaya, yana iya tabbatar da cewa gwajin gwajin alwatika ba ya bayyana fararen baki a cikin mintuna 15-20. Ya isa ga samfurin. Koyaya, komai ƙarfin inoculant, akwai matsalar lalata, don haka mabuɗin hana farar baki shine yadda ake zubar da baƙin ƙarfe da wuri bayan allurar, kuma ƙarfafa allurar tare da kwarara babu shakka hanya mafi kyau .

A cikin kwarewar mu, muddin adadin inoculation ya kusan 0.15%, ga yawancin samfura, za a iya magance matsalar farin bakin.

3 Game da masu inuwa

 Akwai nau'ikan inoculants da yawa da ake siyarwa a kasuwa, don haka yakamata ku zaɓi samfuran inoculant waɗanda suka yi tsada kuma sun dace da ku.

3.1 75 Sife

75 SiFe shine mafi yawan amfani da inoculant, wanda Al da Ca ke taka muhimmiyar rawa a cikin tasirin allurar. Koyaya, narkakken baƙin ƙarfe wanda SiFe 75 ya bugu da sauri yana lalacewa, kuma gabaɗaya bai dace da babban samarwa da layin samar da wutar makera ba. Don haɓaka haɓakar ƙirar nau'in A da hana ƙarni na fararen ramuka a bangon bakin ciki, dole ne a ƙara ƙarin SiFe 75, wani lokacin yana kaiwa 1.0%, amma ƙari na 1.0% ba kawai yana ƙara farashin ba, amma yana iya Hakanan yana haifar da raguwar porosity na simintin. Saboda haka, ba a ba da shawarar a matsayin farkon inoculant.

3.2 Mai ɗauke da Sr inoculant

Inoculant mai ɗauke da Sr yana da ƙarfi mai ƙarfi don kawar da farin baki, wanda ke da fa'ida don haɓaka siffa da rarraba ginshiƙi a cikin siminti mai katanga, don haka banbanci a cikin tsari na kauri daban-daban ya yi karami, kuma a ka'idar ma yana da tasiri. na hana raguwa [1]. Masu ɗauke da Sr suna da manyan buƙatu akan adadin aluminium w (Al) da w (Ca) saboda tasirin inoculant na Al da Ca shine kishiyar na Sr. Gabaɗaya, w (Al) ≤0.1%, w ( Ca) required0.3% ana buƙata. Don cimma irin wannan adadin w (Al) da w (Ca), SiFe dole ne a tace shi, wanda babu makawa zai haɓaka ƙimar samar da inoculants da ke ɗauke da Sr, don haka Inoculants da ke ɗauke da Sr sun fi tsada, kusan ninki biyu kamar 75SiFe. Koyaya, adadin ƙari na inoculant da ke ɗauke da Sr kusan kashi ɗaya bisa uku na 75SiFe, don haka gaba ɗaya, idan aka kwatanta da 75SiFe, an inganta tasirin allurar, kuma yana da fa'ida ta tattalin arziki.

Akwai bayanin cewa masu ɗauke da Sr na iya magance matsalar raguwar samfur, amma aikin samar da kamfaninmu yana tabbatar da cewa ba haka bane. Wani sashi na injin firji wanda kamfanin mu ke samarwa yana da raguwa da porosity na lokaci -lokaci a cikin kauri samfurin. Mun yi ƙoƙarin canza tsarin zubarwa don haɓaka ciyarwar samfur, rage zafin zazzabi don rage raguwar samfurin, amma tasirin ba a bayyane yake ba. Gwada inoculant wanda ke ɗauke da Sr, adadin ƙari shine 0.25% na bututun ƙarfe + 0.15% na kwarara, matakin graphite na samfurin shine aji 5, babu farin baki a cikin sassan jikin bango, amma har yanzu akwai raguwa a cikin kauri da manyan sassan rarrabuwa. Adadin gungun eutectic a cikin samfurin kusan guda 200/mm2, wanda a zahiri bai kai kusan guda 500/mm2 na SiBaCa ba, yana nuna cewa babu matsala tare da inoculant wanda ke ɗauke da Sr. A lokaci guda, yana nuna cewa tasirin na inoculant da ke ɗauke da Sr a warware ƙuntatawa yana da iyaka, kuma ba a tsammanin zai yi yawa. babba.

3.3 Inoculant dauke da Ba

Muhimmiyar rawar da Inoculant mai ɗauke da Ba shine rage jinkirin inoculation da lalata, kuma yana da ƙarfin haɓaka haɓaka hoto, wanda zai iya inganta siffa da rarraba graphite a cikin siminti mai katanga, don haka rage bambancin taurin da ke tsakanin kauri. da sassan bakin ciki. SiBa inoculant tare da w (Ba) a cikin kewayon 20% ～ 30% na iya rage girman bakin farin ƙarfe na ƙarfe, kuma ana iya ƙara lokacin kula da tasirin inoculation zuwa kusan mintuna 30. Ya dace musamman don manyan simintin gyare -gyare, amma yana iya haifar da samfura lokacin amfani da ƙaramin yanki. Adadin pearlite bai isa ba. A halin yanzu, inoculant da aka fi amfani da shi wanda ke ɗauke da Ba tare da w (Ba) a cikin kewayon 2%zuwa 3%, adadin ƙari shine kusan 0.3%, ruwan baƙin ƙarfe a zahiri bai lalace cikin mintuna 20 ba, kuma farashinsa ya fi ƙari fiye da yuan 1,000 mafi tsada fiye da 75SiFe. Kimanin kashi ɗaya bisa uku na 75SiFe, yana da inoculant wanda ya cancanci haɓaka gabaɗaya.

3.4 Rare mahaɗin ƙasa inoculant

Ba kasafai ake amfani da inoculants ƙasa ba. Sau da yawa ana haɗa su tare da Ba da Ca don haɗa ƙarancin ƙasa-Ba-Ca inoculant. Dangane da riƙe fa'idodin masu inoculants masu ɗauke da Ba, yana da ƙarfin deoxidizing kuma yana da tasiri musamman ga babban w (S) narkakken baƙin ƙarfe. Koyaya, adadin wannan inoculant bai kamata yayi yawa ba, in ba haka ba adadin w (ragowar RE) a cikin samfurin ya yi yawa, wanda na iya haifar da sanyaya baƙin ƙarfe mai yawa a lokacin crystallization da bayyanar tsarin ciminti. Dole ne a sarrafa sashi sosai yayin amfani, kuma matsakaicin sashi bai kamata ya wuce 0.4%ba. Farashin masu ƙarancin kuɗaɗen ƙasa ba su da tsada sosai, kaɗan kaɗan ya fi na masu ɗauke da Ba, kuma yana da fa'idar zaɓin.

4 Yadda ake sarrafa ingancin masu siyar da incoulants

Ingancin inoculants yana canzawa yayin aiwatarwar samarwa, kuma masu ba da kayayyaki galibi suna haɗa mana samfura masu kyau da marasa inganci. Don haka ta yaya yakamata mu sarrafa ingancin masu siyar da incoulants?

4.1 Gwajin Chemical

Yana yiwuwa a fara tantancewa ko inoculant ya cancanta ta hanyar gano adadi mai yawa na Si, Al, Ca, Ba, ƙasa mai wuya, da sauransu a cikin inoculant, amma gano waɗannan abubuwan ya fi rikitarwa kuma yana ɗaukar lokaci mai tsawo. Gabaɗaya, ma'adinan ba su da wannan ikon, don haka, Hanyar da ke biye ta fi dacewa.

4.2 Binciken gani

Bude jakar don duba ko launin inoculant na al'ada ne? Akwai baƙar fata da yawa? Shin akwai barbashi da yawa waɗanda ba su cika buƙatun girman barbashi ba, mai kauri ko mai ƙima? Waɗannan matsalolin suna faruwa galibi, kuma dole ne ku buɗe jakar don dubawa bayan kowane sayan. Kamfaninmu ya taɓa siyan rukunin masu inoculants kuma ya yi amfani da su bayan abubuwan gano abubuwan sunadarai sun cancanta. A sakamakon haka, sama da tanderu 20 suna da farin baki da abubuwan da ba su dace ba. Bayan dubawa, an gano cewa akwai ragowar baƙar fata da yawa a cikin inoculant kuma launin inoculant duhu ne.

4.3 Gwajin a-site

 Bayan kowane tsari na inoculant ya isa masana'anta, bayan dubawa na sama ya cancanta, zamu kuma gwada tanderun wuta 3 ~ 5 akan wurin. Ta hanyar nazarin zane -zane na hoto, farin baki, pearlite da sauran kyallen samfurin, kwatanta shi da samfuran samarwa na yau da kullun, kuma gano cewa rashin daidaituwa nan take Deactivation zai iya guje wa ɓarkewar samfur.

4.4 Zaɓin Masu Bayarwa

Lokacin zabar mai siyarwa, gaba ɗaya zaɓi mai siyarwa tare da sikelin da ya fi girma da kuma wani matakin aminci, don ingancin ya fi tabbata. Wasu masu samar da kayayyaki ba su da tanderun ƙamshi na su, ko kuma ba su da hanyoyin binciken sinadarai don samfuran su. Kawai suna siyan manyan kayan albarkatun ƙasa daga wasu don tsagewa. Irin waɗannan masu ba da kaya suna da ƙarancin tabbacin ingancin inganci.

5 Illolin rashin samun ciki mai kyau ko yawan allura

 Inoculation mara kyau zai haifar da haruffan da ba na al'ada ba, fararen baƙaƙe a cikin ɓangarori masu katanga, da ƙarancin kaddarorin inji. Yin allurar wuce gona da iri zai haifar da m graphite, isasshen pearlite, da ƙananan kaddarorin inji. Yin allurar wuce gona da iri yana da sauƙin faruwa yayin aiwatar da gwajin gwajin fasaha, amma gaba ɗaya baya faruwa a ƙarƙashin yanayin samarwa na al'ada. A cikin 2006, kamfaninmu ya maye gurbin inoculant 75SiFe tare da SiBa inoculant. Kodayake an rage inoculum daga 1.0% zuwa 0.6% yayin gwajin aiwatarwa, abokin ciniki ya ba da rahoton cewa kauri da kauri na samfurin har yanzu suna nuna hoto mai kauri bayan aiki, har sai inoculum ya rage. Samfurin baya dawowa zuwa al'ada har zuwa 0.4%, wanda ke nuna cewa sama ko ƙarƙashin allurar ya bambanta ga masu inoculants daban -daban.

 A karkashin yanayin samarwa na yau da kullun, rashin allurar rigakafin ba za ta faru ba, amma lokacin da aka sami matsala da kayan aiki, musamman a cikin tsarin samar da layin taro, aiwatar da zub da baƙin ƙarfe tare da tanderu mai dumbin yawa yana da ƙarancin allurar rigakafi. Domin idan aka sami gazawar kayan aiki, har yanzu akwai narkakken ƙarfe da aka yi ciki amma ba a zuba a cikin tanderun da ke zuba ba. Tare da tsawaita lokacin gazawa, waɗannan baƙin ƙarfe za su haifar da rashin isasshen ciki saboda inoculation. Lokacin da adadin narkakken ƙarfe bai yi yawa ba, gaba ɗaya muna amfani da hanyar ƙara ƙarin inoculants zuwa ƙananan ladle narkakken ƙarfe don sake yin allurar; kuma idan yawan narkakken ƙarfe ya yi yawa, narkakkiyar baƙin ƙarfe a cikin tanderun wutar za a iya mayar da ita zuwa tanderun don sarrafawa.

 6 Ajiyewa da bushewar masu inci

Dole ne a sanya mai yin rigakafin a cikin busasshiyar wuri da iska, kuma dole a busar da inoculant ɗin kafin amfani. Kowace shekara daga Maris zuwa Mayu, lokacin damina ne a kudu. Da yawan iskar da ake hurawa, haka kuma iskar ta na da ɗaci. Don haka, dole ne ku yi taka tsantsan lokacin amfani da inoculants a wannan kakar. Inoculant da aka ƙara a cikin bututun ƙarfe ko jakar canja wuri baya buƙatar bushewa. Kawai sanya inoculant a cikin tankin taɗi na baƙin ƙarfe ko jakar canja wuri 'yan mintoci kaɗan kafin guga, kuma yi amfani da ragowar zafin don bushe bushewar inoculant. An ba da kulawa ta musamman, Kada a ƙara inoculant a cikin jakar canja wuri da wuri, in ba haka ba ana iya yin oxidin ko ya tsaya a kasan jakar, wanda zai shafi tasirin allurar. Na'urar kwararar kwarara da injin da ke zuba suna tare, kuma ana iya sanya inoculant a kan murhun injin da ke zuba don bushewa ta halitta tsawon sa'o'i 1 ~ 2 a kowace rana, sannan a kara da shi a cikin na'urar kwararar kwararar. Gabaɗaya, ba a buƙatar bushewa ta musamman. Wasu masana'antun suna amfani da iska mai matsawa don fitar da kwararar inoculant, don haka dole ne mu mai da hankali ga bushewar iska mai matsawa, in ba haka ba, danshi na iska mai matsawa na iya shafar allurar rigakafin.

 7 jawabin kammalawa

Inoculation na baƙin ƙarfe ƙarfe yana taka muhimmiyar rawa a cikin ingancin samfur. Don haka, dole ne a zaɓi nau'in inoculant a hankali, kuma dole ne a ba da kulawa ta musamman ga hanyar amfani. Yakamata a sanya allurar rigakafi gwargwadon iko don haɓaka tasirin allurar, rage adadin inoculant, da daidaita ingancin samfur.

Da fatan za a adana tushe da adireshin wannan labarin don sake bugawa:Inganta Shirin Yin Shell na Yanzu A Fitar Jarin

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