Lokacin da injiniyoyi suka ƙididdige wani sashi wanda dole ne ya riƙe ± 0.02 mm haƙuri, tsira 400°C hawan keke na zafi, da kuma tsayayya da zaizayar ƙasa daga slurry abrasive-babu wurin yin zato. Nan ne wani zuba jari simintin kafa Fondry factory tare da ingantaccen horo na ƙarfe yana haifar da bambanci tsakanin gazawar filin da rayuwar sabis na shekaru 15. Mun ga shi da kansa: gidan famfo na ruwa ya fashe a psi 8,000 a lokacin tabbatarwa - ba saboda ƙira ba, amma saboda ƙananan ƙirar da aka jefar ya ƙunshi porosity na raguwa da ba a gano ba kusa da wurin zama. Gyaran ba a sake yin aiki ba. Yana canzawa zuwa abokin tarayya wanda ke sarrafa sinadarai narkewar gami, bushewar bushewar harsashi, da rage yawan adadin kuzari-ba kawai “ɓangarorin simintin gyaran kafa ba,” amma simintin injiniya.
Daidaito Yana farawa Kafin Zuba Farko
Ba a samun madaidaicin saka hannun jari na gaskiya a cikin tanderun. Yana farawa tare da gano kayan abu da kuma aiwatar da maimaitawa. A wurin da ya dace da ISO a cikin Qingdao, kowane batch na cobalt-nickel alloy yana ɗaukar cikakkun takaddun da aka tabbatar da zafi-daga raw ingot bincike (AMS 5387, ASTM F75) zuwa sakamako na ƙarshe-annealed tensile sakamakon. Ba mu yarda da sinadarai "na al'ada" ba. Muna tabbatar da chromium, molybdenum, da abun cikin carbon kafin zubawa-da kuma shigar da kowane siga: zafin harsashi, lokacin ɓata lokaci, lokacin zafi mai zafi, da saurin zub da iska. Me yasa? Saboda karkatar da 2°C a cikin mold preheat yana canza ƙaƙƙarfan ƙimar isa don matsar da iyakar hatsin carbide rarraba a cikin superalloys-grade T800. Wannan yana tasiri kai tsaye juriya ga gajiya a cikin gidajen famfo na silinda a ƙarƙashin hawan keke.
Mun inganta wannan a cikin ayyukan samarwa guda 127 na AMS 5387 cobalt alloy 6 famfo sassa. Sassan da aka jefa a ƙarƙashin sigogi masu sarrafawa sun nuna 31% mafi girman rayuwar gajiyawar ƙarancin zagayowar tare da simintin simintin gyare-gyare iri ɗaya ta amfani da saitunan bene na kanti. Bambancin ba machining ba ne - shi ne simintin da kanta.
Haɗin Kai Tsaye Ba Kalma Bace - Inshorar Girma ce
Wasu masu samar da kayayyaki suna fitar da kayan da aka gama. Wasu suna ɗaukar simintin gyare-gyare da CNC a matsayin sassa daban-daban. Mu hada su. Our zuba jari simintin kafa foundry factory iyawa komai: yumbu harsashi ƙirƙira, daidai simintin gyaran kafa, danniya-saukar da zafi magani, Multi-axis CNC machining (ciki har da 5-axis contouring na ciki kwarara hanyoyi), da kuma aikin saman jiyya kamar HVOF tungsten carbide shafi. Wannan yana kawar da juzu'i mai girma tsakanin kayan aiki - nau'in da ke juya GD&T ƙayyadaddun haƙurin matsayi na 0.015 mm zuwa tari na mm 0.032 bayan an kashe uku.
- Bawul ɗin matsi waɗanda aka kera kai tsaye daga ɓangarorin simintin gyare-gyare—babu gyare-gyare na biyu da ake buƙata
- Tushen famfo tare da haɗe-haɗe flanges masu hawa da tashoshin ruwa, duk an riƙe su zuwa ASME B16.34 Class 600 haƙuri
- Injiniya abin hawa winch cibiyar shaft rollers tare da tauraruwar lalacewa da kuma ingantacciyar ƙasa mara lalacewa.
Lokacin da OEM na Turai ke buƙatar maye gurbin cobalt alloy nozzles don tsarin rage matsin lamba, mai siyar da su na farko ya isar da sassan da ke buƙatar sake yin injin 100% don saduwa da ƙayyadaddun ƙayyadaddun bayanai. Mun isar da raka'a masu aiki na farko-saboda shirinmu na CNC yana karantawa kai tsaye daga bayanan simintin CT, ba ƙirar CAD na ka'ida ba.
Gudanar da Ingancin da ke Aiki, Ba kawai Rikodi ba
"Bincike" yana nufin kome ba idan ya faru ne kawai a ƙarshe. Tsarin ingancin mu yana haɗa tabbaci a wuraren bincike guda huɗu waɗanda ba za'a iya sasantawa ba: takaddun shaida mai shigowa, ma'aunin CMM a cikin aiki bayan ingantacciyar mashin ɗin, ƙayyadaddun ƙayyadaddun ƙididdiga akan filaye masu mahimmanci, da gwajin aikin ƙarshe - gami da duban lalatawar matsin lamba a 1.5 × matsa lamba na aiki. Kowane bangare yana samun tambarin ID na musamman wanda ke da alaƙa da cikakken rikodin sa na dijital: nazarin narkar da narke, yanayin yanayin yanayin zafi, daidaita rahoton awoyi, da taswirar tarkace.
Mun sami abokan ciniki suna tambaya: "Shin za ku iya ba da tabbacin rashin ƙarfi a yankin wurin zama?" Amsar ita ce a'a-mun bada garantin ganowa. Idan sikanin mu na ultrasonic ya gano duk wata alama da ta wuce matakin ASTM E1815 Level 2, za mu share sashin. Babu ware. Wannan horon ya kiyaye ƙimar lahanin PPM ɗin mu ƙasa da 187 don ƙayyadaddun kayan aikin hydraulic a cikin watanni 37 da suka gabata.
Isar da Duniya ta Haƙiƙa—Ba Lokatan Jagoran Alkawari kaɗai ba
Alkawuran lokacin jagora yana nufin kaɗan lokacin da odar samfur ta tsaya har tsawon kwanaki 11 tana jiran takaddun shaida. Mun samar da bokan AMS 5387, F75, da bakin karfe 17-4PH a cikin zafi da yawa-tare da cikakkun rahotannin gwajin niƙa akan fayil. Don ayyukan gaggawa, za mu iya fara ƙirƙira harsashi a cikin sa'o'i 48 na amincewa da zane. Rage aikin mu na bin hanyar WIP ta siginar Kanban - ba maƙunsar rubutu ba - kuma matsakaicin isar da mu akan lokaci don oda mai matsakaici (pcs 50-500) yana tsaye a 98.4%, an tabbatar da shi ta hanyar binciken dabaru na ɓangare na uku a cikin Arewacin Amurka da jigilar EU.
Ɗaya daga cikin masana'antun famfo na kudu maso gabashin Asiya ya rage jimlar farashin ƙasa da kashi 22% bayan ya canza zuwa gare mu - ba saboda farashin naúrar mu ya faɗi ba, amma saboda sun kawar da wuraren dubawa guda uku, yanke guntun daga 14% zuwa 0.9%, kuma sun sami ra'ayin ƙira-don-ƙira kafin kayan aiki.
An zuba jari simintin kafa Fondry factory yana samun amincewa ba tare da ƙasidu ba, amma tare da ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwa, da aka rubuta tarihin zafi, da kwanciyar hankali a cikin kewayon 10,000. Madaidaicin sassan ƙarfe ba sa jure rashin fahimta. Mu ma. Idan bangaren ku na gaba yana buƙatar fiye da juriya na ƙididdigewa - idan dole ne ya yi inda gazawar ba zaɓi ba - fara da tsarin simintin, ba odar siye ba.
