Lokacin da injiniyoyi suka ƙididdige sabis na masana'antar simintin ƙarfe na daidaitaccen ƙarfe, ba kawai yin odar sassa bane - suna samun kwanciyar hankali a ƙarƙashin nauyin injin 300-bar, amincin microstructure bayan jiyya mai zafi, da gamawar saman da ba zai haifar da cavitation a cikin gidaje masu sauri mai sauri ba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun jefa sama da 12,000 karfe da bakin karfe aka gyara don matsa lamba bawuloli, piston famfo Silinda gidaje, da winch cibiyar shaft rollers-kowanne riƙe zuwa ± 0.05 mm GD & T haƙuri a kan m datum fasali. Wannan matakin maimaitawa baya fitowa daga kayan aiki kadai. Ya zo daga sarrafa cikakken sarkar: bokan AMS 5387 cobalt alloy feedstock, yashi simintin gyaran kafa ingantacce tare da thermal simulation, CNC machining cewa nassoshi as-cast datums-ba ka'idar model-da CMM dubawa kafin da kuma bayan danniya-taimakon annealing.
Me yasa Simintin Ƙarfe Madaidaicin Ƙarfe Ya Bukatar Haɗin Kai tsaye-Ba Kafa Kafa kaɗai ba
Yawancin masu siye suna ɗaukar "daidaitaccen simintin gyaran kafa" yana nufin jurewar simintin simintin. Gaskiya ta fi tsanani. Tushen famfo na bakin karfe 316 da aka yi da yashi na iya ɗaukar ± 0.3 mm a cikin juzu'i mai girma-amma dole ne ya buge flange mai hawa ± 0.03 mm runout *bayan* magani mai zafi da machining na ƙarshe. A nan ne rarrabuwar sarƙoƙi ke gaza. Dillali ɗaya ya jefa. Wani inji. Na uku yana yin NDT. Kowane hannun hannu yana haɗarin rashin daidaituwa, canjin datum, ko ƙananan ƙira da ba a ba da rahoto ba.
Muna gudanar da duka biyun saka hannun jari da layukan simintin yashi * a cikin ginin ISO 9001 iri ɗaya * inda sel CNC ɗin mu 5-axis ke aiki. Lokacin da abokin ciniki ya aika da zane don T800 cobalt alloy bututun ƙarfe, injiniyoyinmu suna duba shi * kafin faɗin *: Shin kaurin bango ya isa don guje wa tsagewar zafi yayin ƙarfafawa? Shin kusurwar daftarin yana ba da izinin saki mai tsabta ba tare da niƙa bayan simintin simintin ba wanda zai lalata saman da ke jure lalata? Za a iya saita ɓangaren don injin duk saman aiki a cikin saiti ɗaya - kawar da kuskuren tarawa?
Wannan ba ka'idar ba ce. A bara, OEM na'ura mai aiki da karfin ruwa OEM ta aiko mana da ƙirar jikin bawul da aka gyara tare da haƙarƙarin ciki mai kauri 2.5mm. Ƙungiyar mu ta kafa ta yi alama da shi a matsayin mai yiwuwa ga raguwa porosity. Mun ba da shawarar buga ainihin bugu na gida kuma mun daidaita tsarin gating. Sakamako: guntun sifili a cikin raka'a 420, sabanin 27% kin amincewa da mai siyar da suka gabata.
Haƙiƙan Ƙimar "Kawai Kaddara" -Kuma Me yasa Neman Kayan Abu Ba Zai Zabi Ba
Wasu ƙa'idodin masana'antar simintin ƙarfe na daidaitaccen ƙarfe suna kama da jan hankali-har sai kun ga takaddun shaida. Muna buƙatar rahotannin gwajin niƙa (MTRs) don kowane zafi, shiga tare da lambobi a cikin ERP ɗin mu. Lokacin da abokin ciniki ya ƙayyade AMS 5387 don filogi mai zafi mai zafi, mun gano ɗanyen ingot zuwa ga injin arc remelt a Jamus-ba kawai takaddun masu rarrabawa ba. Me yasa? Domin cobalt-nickel alloys suna rayuwa ko mutu ta hanyar rarraba carbide. Bambancin 5°C a cikin maganin zafi yana canza taurin ta 8 HRB. Ba tare da ilimin sunadarai da tarihin zafi ba, kuna caca akan rayuwar gajiya.
Mun kuma ƙi yarda da gajerun hanyoyin "ma'auni". Idan gidan famfo ɗin ku yana ganin hawan keke sama da 150 MPa, bakin karfe 304 ba zai yanke shi ba - komai yadda aka jefa shi. Mun saba zuwa ASTM A743 CF8M ko 17-4PH da aka gyara tare da tsufa na H1150, ya danganta da yanayin damuwa da daidaitawar ruwa. Wannan horon yana kashe 12-18% ƙarin gaba. Amma yana kawar da gazawar filin da ke biyan ƙarin 30 × a cikin raguwar lokaci, da'awar garanti, da kuma lalacewar mutunci.
Abin Da Yake Faruwa Tsakanin Zane da Bayarwa
Tsarin aikinmu ba na layi ba ne - yana da maimaitawa:
- Mako na 1: Ingantaccen GD&T + ra'ayoyin masana'anta. Muna ba da alama fasali kamar radi na bakin ciki da ke ƙasa da 0.8 mm ko ramukan makafi mai zurfi fiye da diamita 8-sannan mu ba da shawarar wasu hanyoyin da ke adana aiki amma yanke lokacin sake zagayowar da kashi 35%.
- Mako na 2-3: Ƙirƙirar ƙirƙira + simintin gyare-gyare na farko. Muna aika hotuna na rediyo da nazarin sinadarai - ba kawai rahotannin girma ba.
- Mako na 4: Machining tare da in-aiki CMM cak a kowane aiki. Babu "dubawar ƙarshe kawai."
- Mako na 5: Gwajin aiki na ƙarshe: Gwajin lalatawar matsa lamba har zuwa mashaya 400, tabbatar da ƙarancin ƙasa ta ISO 4287, da cikakkun takaddun gano kayan.
Muna jigilar samfura a cikin kwanaki 18. Matsakaicin oda (50-500 inji mai kwakwalwa) ana isar da shi a cikin makonni 6-8 - tare da tabbataccen kwanakin da aka kulle a rubuce, ba ƙididdigar imel ba.
Ƙarfe Daidaitaccen Simintin Factory yana nufin Haɗin gwiwar Injiniya-Ba Ƙaƙƙarfan Ƙira ba
Idan kuna buƙatar masana'antar simintin ƙarfe na daidaitaccen ƙarfe wanda ke ɗaukar zanenku azaman kwangila - ba shawara ba - zaku sami jeri a QINGDAO QIANGSENYUAN. Ba mu kori ƙaramar farashi mai rahusa. Mun warware ga gazawar halaye: yashwa a cobalt gami nozzles, galling a bakin karfe bawul mai tushe, murdiya a cikin manyan-section baƙin ƙarfe simintin gyaran kafa bayan machining.
Matakinmu na gaba shine ba da shaida ga AS9100 don simintin ƙarfe na matakin sararin samaniya da faɗaɗa tantanin simintin simintin gyare-gyaren mu don abubuwan haɗin siffa-tallafi na kusa. Amma darajar yau ba a cikin tsare-tsaren gaba ba - yana cikin 99.2% na farko-fasa yawan amfanin ƙasa akan sassan famfo na AMS 5387, da 0.02 mm flatness akan 400-mm-diamita bakin karfe flanges, da kuma gaskiyar cewa 73% na mu maimaita abokan ciniki sun yi amfani da mu fiye da shekaru biyar.
Lokacin da daidaiton juzu'i, amincin kayan abu, da tabbacin isarwa ba za a iya yin shawarwari ba-farawa da masana'antar simintin ƙarfe daidai gwargwado wanda ke auna nasara a microns, ba gefe ba.
