Tallafin imel

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Tallafin Kira

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Lokacin aiki

Litinin - Juma'a 08:00 - 17:00

nauyi mutu simintin gyaran kafa

Lokacin da kuka ji 'gravity die casting components', hoton farko da ke fitowa sau da yawa shine na waɗannan sassa marasa aibi, masu walƙiya na aluminium, kusan kamar sun fito daga cikin injin da aka shirya don ɗakin nuni. Wannan sigar ƙasida ce mai sheki. Gaskiyar ita ce, niƙa ta yau da kullun, tattaunawa ce ta dindindin tsakanin ƙirar ƙira da taurin ilimin kimiyyar narkakkar ƙarfe. Ba wai kawai zuba karfe a cikin karfen karfe da jira ba; game da sarrafa zafi ne, da tsammanin raguwa a takamaiman sassa, da kuma sanin cewa tsarin gating ɗin da kuka shafe mako guda yana ƙira na iya buƙatar tweak akan ayyukan samarwa na biyar. Mutane da yawa suna tunanin ɗan uwan ​​​​mai sauƙi ne na ƙwaƙƙwaran mutuƙar matsin lamba, amma rashin ƙima shine inda mafi yawan batutuwa masu inganci suka fara. Girman aikin na zahiri ne, amma kulawar da ake buƙata shine komai sai m.

Bambancin Batun: Duk Game da Mold ne

An mayar da hankali sosai kan mutuwar kanta - karfe H13, tashoshi masu sanyaya, goge. Kar ku gane ni, madaidaicin mashin din mutu shine tubalin farawa. Amma na ga cikakke ya mutu yana haifar da tarkace saboda zafin zafin zafin ya ƙare da 30 ° C, ko saboda lokacin canja wurin ladle ya haifar da tashin hankali da yawa. Mutuwa ce ta dindindin; masu canjin tsari sune ainihin 'yan wasa. A shagon mu, muna shigar da komai: mutuƙar zafin jiki a yankuna daban-daban, ƙarar ƙarar zafi, lokacin sake zagayowar, har ma da zafi na yanayi akan wasu mahimmanci nauyi mutu simintin gyaran kafa don aikace-aikacen ruwa. Wannan log ɗin bayanan yana da daraja fiye da zanen mutuwa wani lokaci.

Misali, mun yi aiki a kan jerin shingen tsari don abin hawa daga kan hanya. Ƙirar tana da waɗannan ɗorawa masu tsayi masu kauri waɗanda ke canzawa zuwa sirara, gidan yanar gizo mai faɗi. Mutuwar tayi kyau. Harbin farko? Porosity daidai a junction, kowane lokaci. Batun ba shine m; shi ne tsarin ƙarfafawa. Sassan masu kauri sun tsaya zafi, suna ciyarwa daga sashin sirara wanda ya fara ƙarfi, ya bar raguwa. Mun warware shi ba ta hanyar sake yin mutuƙar ba, amma ta hanyar ƙara abubuwan da aka sanya na sanyi na jan karfe a cikin mutu a cikin sassan kauri da daidaita kusurwar zuba don canza hanyar kwararar ƙarfe. Ya ƙara farashi da lokacin zagayowar, amma ya ajiye ɓangaren. Gaskiyar ita ce, warware matsalolin da ba a cikin littafin karatu.

Wannan shi ne inda ainihin gwanintar kafuwar tare da kayan daban-daban ke faɗi. Muna gudanar da aluminum A356 da yawa, amma don buƙatun ƙarfin ƙarfi, muna matsawa zuwa gami kamar A357 ko ma shiga cikin gami da zinc don wannan aikace-aikacen. Kowannensu yana nuna hali daban a ƙarƙashin nauyi. A356 yana gafartawa; A357 ya fi kula da farashin sanyaya. Kuna koyi hakan ta hanyar lalata ƴan batches, gaskiya. Abokin tarayya kamar Fasahar Qingdao Qiangsenyuan (QSY), tare da tarihin shekaru 30 a cikin harsashi da simintin saka hannun jari, suna samun wannan a hankali. Sun fahimci cewa ƙarfe yana da ƙwaƙwalwar ajiya da yanayi, ko an zuba shi ƙarƙashin nauyi, vacuum, ko matsi. Wannan ilimin tsarin giciye shine zinari.

Inda Machining ya haɗu da simintin gyaran kafa

Wannan ita ce mafi mahimmancin handoff ɗin da ke haskakawa. Ba za ku iya magana akai ba nauyi mutu simintin gyaran kafa ba tare da yin magana akan alawus din injina da kuma gyarawa ba. Fuskar simintin gyare-gyare na iya yi kyau, amma kusan koyaushe kuna fuskantar mashin ɗin don buga matsayi na gaskiya ko samun saman rufewa. Idan simintin yana da ragowar damuwa ko rashin daidaituwar taurin sanyi daga sanyi mara kyau, zaku gan shi a cikin injin niƙa na CNC—mai magana da kayan aiki, drift mai girma, lalacewa ta ƙare. Dole ne mu aiwatar da batch ɗin maganin zafi na rage damuwa ga wasu sassa kafin su je mashin ɗin, wanda ba mu taɓa ambatar sa ba.

QSY's hadedde model, inda suke rike da duka biyu na simintin gyaran kafa da kuma Injin CNC karkashin rufin daya, yana kawar da babban Layer na nuna yatsa. Lokacin da mashin ɗin ke ƙasa da zauren daga ma'aikacin fasinja, ana magance matsalolin da sauri. Shin kayan aikin yana tsage ne saboda ƙayyadaddun kayan aikin ko kuma batun ƙimar abinci ne? Za su iya gano shi a cikin sa'o'i, ba makonni na imel tsakanin masu siyarwa daban ba. Don wani sashe mai rikitarwa kamar mahalli na kwampreso, inda ake buƙatar jefa ƙuri'a na ciki kusa da siffar-net amma an gama da madaidaicin niƙa, wannan haɗin kai ita ce hanya ɗaya tilo don tabbatar da haƙuri na ƙarshe.

Na tuna jikin famfo da muka yi, gami da tushen nickel don juriyar lalata. Simintin nauyi ya ba mu amincin da muke buƙata ba tare da tashin hankali na babban matsi ba. Amma fuskar flange dole ne ta kasance daidai gwargwado. Farkon yana gudana ya ɗan ɗan ɗanɗana bayan injina. Saboda an haɗa ƙungiyoyin simintin gyare-gyare da injina, sun dawo da shi zuwa yadda ake fitar da ɓangaren daga mutun-masu fitar da wuta suna haifar da ɗan ƙaranci wanda kawai ya bayyana bayan an cire fata. Canji kaɗan a cikin jerin fitarwa da goyan baya a cikin injin injin ya warware shi. Kamfanoni biyu daban-daban da sun makale a cikin madauki na zargi.

Zaɓin Abu: Ba Aluminum kaɗai ba

Yin simintin nauyi ya mutu yana samun huɗar tattabaru azaman tsarin aluminum. Ya fi kowa, tabbas, amma dabarar tana aiki don kewayo mai faɗi. Mun yi nasara gudu tare da wasu jan karfe gami da magnesium. Makullin shine ɗumbin ƙarfe da wurin narkewa dangane da rayuwar mutuwa. Zuba gami da tagulla a ƙarƙashin nauyi wani dabba ne daban-mafi girman yanayi, saurin mutuwa, sarrafa iskar oxide daban-daban. Kuna shiga cikin waɗannan kayan lokacin da ɓangaren ke buƙatar kaddarorin-kamar haɓakar zafin jiki mai ƙarfi ko takamaiman juriyar lalacewa-kuma ƙara yana ba da tabbacin kashe kuɗin akan simintin yashi.

Wannan ya yi daidai da abin da kuke gani a aiki iri-iri kamar QSY. Aikin su da bakin karfe kuma na musamman cobalt na tushen gami a zuba jari simintin gyare-gyare yana sanar da tsarin su na mutuwa don wasu karafa. Sun fahimci bukatun tsarin hatsi. Don ɓangaren simintin nauyi wanda daga baya zai iya ganin aikin ƙarfin hali ko sabis na zafi mai zafi, wannan ilimin kimiyyar kayan aiki yana sarrafa komai daga gyare-gyaren gami zuwa sake zagayowar maganin zafi. Ba wai kawai yin siffa ba ne; injiniyoyi ne microstructure.

Na koyi wannan hanya mai wuya tun da wuri. Muna da oda don wasu faranti na dumama zafi daga ƙarfe-chromium gami. Mun kula da shi kamar aluminum-irin ƙirar ƙirar mutuwa, irin wannan lokacin zagayowar. Sakamakon ya kasance mummuna: rufewar sanyi da babban porosity. Yanayin zafi ya bambanta sosai. Dole ne mu kusan ninka yawan zafin jiki na zafin jiki da kuma sake tsara sprue don ya fi girma da zafi don kula da yawan zafin jiki. Darasi ne mai tsada wanda ba za ku iya samun hanyar-girma-daya-duk-kowa-da-koda ba, ko da a cikin hanyar simintin gyare-gyare iri ɗaya.

Kyakkyawan Issa Tarko da Ƙofofin inganci

A cikin samarwa, musamman tare da tsari mai sauƙi kamar simintin nauyi, akwai matsa lamba akai-akai don hanzarta hawan keke. Za mu iya rage lokacin sanyaya mutuwa da daƙiƙa 10? Kowane sakan da aka ajiye kuɗi ne. Amma wannan shine inda ƙa'idodin ingancin ciki ke yin ko karya ku. Ƙirƙirar wuraren binciken da ba za a iya sasantawa ba—binciken labarin farko, na'urorin bincike na lokaci-lokaci, gwajin shigar da rini bisa tsarin samfuri-yana kamawa kafin ya zama ƙin yarda.

A gare mu, kowane sabo nauyi mutu simintin gyaran kafa Shirin yana da ingantaccen tsari wanda aka gina a ciki. Yana iya ƙayyade cewa kowane kashi na 50 yana samun cikakken rajistan CMM, ko kuma cewa farkon zub da kowane motsi yana samun sashe don nazarin sauti na ciki. Yana sauti tedious, amma yana da araha fiye da abokin ciniki filin gazawar. Kamfanin da ke da ra'ayi na dogon lokaci, kamar tarihin shekaru 30 na QSY, yawanci yana da waɗannan ka'idojin gasa cikin al'adarsu. Sun ga abin da ke faruwa ba tare da su ba.

Rashin gazawar da ke manne da ni shine tarin makamai na lefa don injin noma. Sun wuce duban gani da gani. Amma a cikin filin, sun fara fashe cikin kaya. Binciken bincike na shari'a ya sami ɗan fim ɗin oxide wanda aka naɗe a cikin wani yanki mai tsananin damuwa-aibi marar gani daga waje. Tushen dalili? Wani ɗan wanki da aka sawa a cikin tsarin zubar da ruwa yana haifar da ƙaramar tashin hankali amma daidaitacce. Tun daga nan, muna dubawa da maye gurbin waɗancan sassan tsarin zubar da kayan abinci a kan tsayayyen jadawalin, ba lokacin da suka yi kyau ba. Yana da rashin jin daɗi, kulawar rigakafi wanda ke bayyana abin dogaro.

Neman Gaba: Rawar da ke cikin Sarkar Masana'antu Mai Faɗaɗi

To, ina ne nauyi ya mutu yana zama a yau? Ba shine mafi kyawu, babban bayani ga dubban sassa a rana ba. Haka kuma ba shine mafita mai sauƙi-sauƙi ɗaya ba. Ya mamaye wancan muhimmin tsakiyar ƙasa: samar da ƙarfi, mai yawa, kuma abin dogaro a cikin matsakaicin juzu'i, tare da ingantattun kaddarorin injina da ingantaccen ƙasa. Makomar sa tana da alaƙa da sauƙi da haɗin kai. Muna ganin ƙarin ƙira inda aka haɗa sassa da yawa zuwa hadaddun ɗaya nauyi mutu simintin gyaran kafa, kawar da majalisai da fasteners. Wannan yana buƙatar haɗin gwiwa mafi kusa tsakanin mai tsarawa da mafarin tun ranar farko.

Wannan shine dalilin da ya sa haɗin gwiwa tare da cikakken mai bada sabis ba kawai dacewa ba ne; fa'ida ce ta dabara. Lokacin da kuke hulɗa tare da ƙungiyar da za ta iya kallon zane kuma kuyi tunani a cikin dukan tafiya-daga zaɓin gami dangane da lalata ko buƙatun zafin jiki (ƙwarewar ƙwarewa tare da musamman gami), zuwa tsarin simintin nauyi da kansa, har zuwa na'urori na ƙarshe da ingantacciyar inganci - kuna samun ɓangaren da ke aiki, ba kawai ɓangaren da ya dace da bugu ba. Gidan yanar gizon don Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) ya ambaci aikinsu a ciki harsashi mold simintin gyaran kafa kuma zuba jari tare da machining. Wannan yana gaya mani sun fahimci cikakken bakan. Mai zane zai iya zo musu da ra'ayi, kuma suna iya ba da shawara: Wannan fasalin ya fi dacewa da saka hannun jari, amma wannan babban jikin yakamata ya zama simintin nauyi don ƙarfi da tsada, kuma ga yadda za mu sarrafa shi. Wannan cikakken hukunci shine ainihin abin da kuke siya.

A ƙarshe, cin nasarar ƙwaƙƙwaran simintin nauyi ba game da fahimi ɗaya ba ne. Yana da game da mutunta dukan jerin abubuwan da suka faru-daga lokacin da aka narkar da gawa zuwa lokacin da aka cika ɓangaren injin. Yana da tsari na sarrafa ƙarfi mai ƙarfi, sarrafa tsammanin, da kulawa mara karewa ga ƙananan bayanai waɗanda yawancin mutane ba su taɓa gani ba. Abubuwan da ke fitowa dayan gefen shuru ne shaida ga wannan niƙa.

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