Lokacin da injiniyoyi suka ƙididdige masana'antar samfuran allura na ƙarfe don ɓangarorin al'ada masu inganci, ba kawai abubuwan haɓakawa suke ba - suna tabbatar da kwanciyar hankali a ƙarƙashin nauyin hydraulic 120 MPa, daidaiton microstructural a cikin batches 500-raka'a, da amincin ƙasa mara haƙuri akan cobalt-alloy nozzles. Wannan shine gaskiyar aiki-ba harshen talla ba. Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin nazarin GD&T saboda mai siyarwar ya ɗauki AMS 5387 a matsayin “wani gami.” Nasarar ainihin duniya tana farawa da wayar da kan ɗabi'a, ba lambobin kasida ba.
Me Metal Allura Molding kadai bai isa ga manufa-Mahimman sassa
Ƙarfe gyare-gyaren gyare-gyare (MIM) ya yi fice a ƙayyadaddun sifofi: bangon bakin ciki, ƙananan sassa, zare masu kyau. Amma gidajen famfo na masana'antu, jikin bawul ɗin matsa lamba, da na'urorin buɗaɗɗen shaft ɗin winch suna buƙatar fiye da lissafi. Suna buƙatar tsarin sarrafa hatsi bayan sintiri, ɓarna da za a iya faɗi a lokacin jiyya na zafi, da taurin saman da ke tsira daga ɗumbin ɗumbin ɗumbin ɗumbin yawa-ba tare da injin bayan-sinter ɗin da ke lalata gradients mai yawa ba. Wannan shine inda haɗin kai tsaye ya zama wanda ba za a iya sasantawa ba.
Mun ci karo da yanayin gazawa guda uku masu maimaitawa a cikin masu samar da MIM kawai:
- Juyin girma sama da ± 0.05 mm akan bores na Silinda bayan kawar da damuwa
- Karamin-porosity gungu a cikin fillet masu ɗaukar nauyi, yana haifar da faɗuwar gajiya da wuri
- Amsar cobalt-nickel alloy mara daidaituwa ga HIP (matsawar isostatic mai zafi), yana haifar da bambancin tsari-zuwa-tsari a ƙarfin yawan amfanin ƙasa.
Gyaran bai fi MIM kadai ba. Yana haɗa MIM tare da madaidaicin kammalawar CNC, kula da yanayin zafi mai sarrafawa, da tabbacin CMM na gani a kowane zagayowar thermal. Wannan shine yadda kuke kulle madaidaicin aiki na gaskiya-ba kawai daidaiton kayan kwalliya ba.
Levers Na Farko Hudu Masu Matsar da Allura
Ba duk masana'antun kayan ƙarfe ba ne ke sarrafa masu canji iri ɗaya ba. Ga abin da ke raba aikin maimaitawa da kyakkyawan sakamako:
- Abun Ganewa Zuwa Lamba ZafiKowane bangare na tushen cobalt na T800 yana ɗauke da bayanan narkar da narke, gami da ragowar nitrogen da abun ciki na oxygen-mahimmanci ga juriyar lalata a cikin mahalli mai tsami. Babu gajerun hanyoyin "tabbatattun bayanai".
- Tabbatar da Tsarin Haɓaka: Domin AMS 5387 famfo sassa, muna inganta cikakken jerin: MIM kore part → debinding → sintering → HIP → m CNC → zafi bi → gama CNC → surface passivation. Kowane mataki yana da ƙayyadaddun sigogi-kuma karkatacciyar hanya tana haifar da riƙo ta atomatik.
- Duban Aiki, Ba Ma'auni kawai ba: Gidan famfo na silinda na piston yana yin gwajin hydrostatic a 1.5 × matsa lamba na aiki kafin jigilar kaya. Filogin alloy na cobalt yana samun binciken ultrasonic don katsewar ƙasa - ba kawai rahoton daidaitawa ba.
- GD&T-Aware Machining Saita: Shirye-shiryen CNC na mu da yawa-axis suna mutunta fifikon datum. Idan zanen ku yana kiran haƙurin matsayi dangane da jirgin sama na biyu na datum, kayan aikin mu a zahiri suna tilasta jirgin da farko - babu zato, babu sake yin aiki.
Abin da Injiniyoyi ke Kau da kai Lokacin Kayyade "High-Precision"
Wasu na iya yin gardama cewa ƙarin haƙuri yana nufin mafi kyawun sassa ta atomatik. Koyaya, juriya fiye da ƙima ba tare da la'akari da mahallin aiki yana haifar da tsada-da haɗari ba. Diamita ± 0.01 mm akan shugaba mai hawa mara mahimmanci baya ƙara ƙima. Amma rike ± 0.005 mm a kan bawul wurin zama sealing surface? Wannan yana hana yashwar da ke haifar da cavitation a 3,000 RPM.
Mu akai-akai suna ba da alamar waɗannan ciniki yayin nazarin aikin injiniya:
- Sauya harsashin simintin yashi tare da MIM kawai yana da ma'ana idan raguwar nauyi ya daidaita farashin 22% mafi girma - kuma kawai idan aikace-aikacen ya guje wa hawan zafin jiki sama da 400°C
- T800 alloy yana ba da juriya mafi girma, amma injin sa ya ragu da kashi 60% zuwa daidaitaccen bakin 316. Za mu ba da shawarar wasu jerin taurin ƙarfi ko jiyya na ƙasa idan abin da aka samar ya fi taurin girma.
- Dole ne buƙatun gama saman saman ya daidaita tare da haɓakar ruwa: Ra 0.4 µm akan hanyoyin kwarara na ciki yana rage tashin hankali; Ra 3.2 µm akan saman hawa na waje yana adana 37% a lokacin ƙarewa
Fassara a nan ba sabis ba ne - rage haɗari ne. Domin ainihin kudin ba shine zance ba. Yana da jinkirin makonni takwas lokacin da raka'a 50 na farko suka kasa gwajin aiki.
Daidaitaccen Ginin Ginin da ke Yi-Ba kawai Ya Wuce Bincike ba
Masana'antar gyare-gyaren ƙirar ƙarfe tana samun amana ta hanyar aiwatar da horo-ba takaddun shaida akan bango ba. Amincewa da ISO yana da mahimmanci kawai lokacin da aka fassara zuwa rubuce-rubucen bincike na kowane yanki, cikakkun abubuwan ganowa zuwa injin ingot, da keɓancewar sifili ga ka'idar duba gani na 100% don mahimman abubuwan rufewa.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki ta wannan hanyar saboda tsarin na'ura mai ba da hanya tsakanin hanyoyin sadarwa ba sa yafe madaidaicin yawa. Bawul ɗin mai da iskar gas ba sa jure wa ƙananan porosity kusa da iyakokin matsa lamba. Gine-ginen abin hawa injiniyoyi ba sa karɓar juzu'i mai girma bayan keken zafi.
Abin da ya sa hankalinsu ya kasance kunkuntar: bawul ɗin matsa lamba, gidaje na silinda, tushen famfo, da magudanan winch-ba “duk sassan ƙarfe ba.” Zurfin ya yi girma lokacin da rayuka da kayan aiki suka dogara da dogaro. Juyin halittarsu na gaba-R&D zuwa tsarin simintin gyare-gyare-inji-ba zai kori sabon abu ba. Zai magance bakin ciki na gaba: rage lokacin jagora akan abubuwan AMS 5387 ba tare da sadaukar da maimaitawar HIP ba.
Idan aikin ku yana buƙatar sassan da ke aiki a ƙarƙashin matsin lamba, ba kawai duba daidai akan takarda ba, fara da horon tsari-ba jerin iyawa kawai ba.
