Lokacin da injiniyoyi suka bayyana Simintin saka hannun jari Inconel sassa, Ba kawai zabar wani abu ba ne - suna yin aiki a ƙarƙashin matsanancin zafi, matsa lamba, da lalata. Amma samo waɗannan sassan dogara? A nan ne ayyuka da yawa suka tsaya. Mun gan shi akai-akai: famfo mahallin fashe a 700 ° C; wurin zama na bawul ya ɓace bayan watanni 12 a cikin sabis na iskar gas mai tsami; Inconel 718 manifold na al'ada ya gaza tabbatar da girman girman-sau biyu-saboda ginin ginin ba zai iya ɗaukar ±0.05 mm akan sirara mai bangon ciki ba. Waɗannan ba haɗari ba ne na ka'idar. Hanyoyin gazawar filin da muka taimaka wa abokan ciniki su warware cikin shekaru takwas da suka gabata.
Me yasa Inconel ke Buƙatar Fiye da "Kowane" Masana'antar Simintin Zuba Jari
Inconel alloys-musamman maki 625, 718, da X-750-ba a jefa su kamar bakin karfe ko aluminum. Babban abun ciki na nickel, kewayon ƙarfi mai ƙarfi, da azanci ga gradients thermal suna buƙatar daidaitaccen iko akan kowane lokaci: ƙirar ƙirar kakin zuma, yuwuwar harsashi yumbu, zafin zafin jiki, zub da ƙima, da bayanin martaba. Bambancin kawai 15 ° C yayin harba harsashi na iya haifar da raguwar ƙananan ƙananan haƙarƙari masu ɗaukar nauyi. Wani abokin ciniki ya aiko mana da inconel 625 turbine vane tare da gungu na porosity na 0.3 mm kusa da gefen sawu-wanda aka samo shi zuwa dankowar da ba ta dace ba a layin dip-coating na mai kawo kayayyaki na baya. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Muna saka idanu zafi bushewar harsashi a cikin ainihin lokaci da calibrate yankunan tanderu kullum ta amfani da NIST-traceable thermocouples. Babu ware.
Abin da A zahiri ke Aiki a Ƙirƙirar-Ba kawai akan Takarda ba
Amincewar duniya ta gaske tana farawa da haɗin kai tsaye. Yawancin "kamfanonin simintin saka hannun jari na Inconel" suna fitar da injin injin ko maganin zafi. Wannan yana haifar da gibin hannu: wani sashi yana sanyaya ba daidai ba tsakanin simintin gyare-gyare da warware matsalar, karkatar da datum masu sarrafa GD&T. Mun yi shi duka a karkashin daya ISO 9001-certified rufin-siminti, Multi-axis CNC (ciki har da 5-axis ga hadaddun na ciki kwarara hanyoyi), HIPing, hazo hardening, da electropolishing. Misali, gidajen mu na piston famfo na silinda don tsarin injin ruwa na teku suna yin gwajin matakai uku: na farko, ma'aunin gani na bambancin kauri na bango kamar yadda aka jefa; na biyu, CMM tabbaci na datum fasali kafin machining; na uku, gwajin leak helium bayan gamawa. Kowane tsari yana ɗauke da cikakkun abubuwan gano abubuwa - daga AMS 5708 Inconel 718 takardar shaidar billet zuwa rahoton taurin ƙarshe.
Inda Masu Kayayyakin Kayayyakin Jini Suke Faɗuwa-Da Yadda Ake Gane Shi Da Farko
Wasu dillalai suna faɗin simintin saka hannun jari na Inconel bisa nauyi kaɗai. Wannan yana da haɗari. Jikin inconel 718 mai nauyin kilogiram 2.4 tare da tashoshi 12 na sanyaya na ciki yana buƙatar gating daban-daban fiye da ƙaƙƙarfan flange na taro iri ɗaya. Muna gudanar da simintin gyare-gyare (ta amfani da MAGMASOFT®) don kowane sabon sashi-ba azaman akwati ba, amma don gano wuraren zafi kafin a gina ƙirar kakin zuma na farko. Wani abokin ciniki na Turai ya kawo mana zane tare da fillet na R0.2 mm akan sasanninta mai tsananin damuwa. Kwaikwayo ya nuna haɗarin microporosity na gida. Mun ba da shawarar R0.4 mm tare da ɓata mahimmancin canji-wanda manazarcin damuwa ya yarda da su. Sakamako: sifili sake yin aiki a cikin sassan samarwa 210. Idan masana'anta ba ta kwaikwayi-ko ba za ta raba taswirar zafi ba-tambayi dalili.
Zabar Abokin Hulɗarku: Ƙungiyoyin da ba za a iya sasantawa ba guda uku
- Material lissafi: Neman rahoton gwajin injin buƙatu na kowane zafi mai yawa-kuma tabbatar da cewa ƙimar alloy ta dace da ƙayyadaddun aikace-aikacenku na ASTM ko AMS (misali, AMS 5662 don Inconel 718, ba kawai “Inconel” ba)
- Tsari bayyana gaskiyaBukatar daftarin tsarin ginin harsashi, zuba rajistan ayyukan zafin jiki, da rahotannin microstructure na post-cast (Girman hatsi ASTM E112 + ƙimar hada E1268)
- Tabbatarwa na aikiNace a kan gwajin cewa madubin amfani da gaske-kamar fashe gwaji a 1.5 × matsa lamba na aiki don jikin bawul, ko hawan keke daga -40 ° C zuwa 750 ° C don manifolds na sararin samaniya.
Mun kawar da ƙididdiga guda uku a wannan shekara saboda abokan ciniki sun dage kan tsallake HIPing don dalilai masu tsada-duk da fayyace haɗarin porosity a cikin ɓangaren inconel 625 mai kauri. Ba za a iya sasantawa ba lokacin da rayuka ko kayan aikin $2M suka dogara da shi.
Neman Gaba: Daidaitaccen simintin gyare-gyare yana Haɓakawa - Sauri
Iyaka ta gaba ba kawai juriya ba ce - masana'anta ce ta matasan. Yanzu muna shigar da inconel na'ura kai tsaye a cikin simintin simintin saka hannun jari don lalacewa saman, sannan muna kammala duka biyun a cikin yanayin zafi ɗaya. Wannan yana kawar da musaya na brazing kuma yana inganta rayuwar gajiyar zafi da kashi 40% a cikin masu watsa famfo da aka gwada a 15,000 RPM. Hankalin mu na R&D? Tabbatar da ayyukan tagwayen dijital na dijital don yin simintin gyare-gyare na Inconel-haɗa bayanan simintin zuwa bincike narke na ainihin-lokaci da kuma bincikar CT a cikin tsari. Domin ba za a fayyace sassa masu mahimmancin manufa na gobe da abin da suke ba—amma ta yadda suke yin daidai, zagayowar bayan zagayowar.
Idan kana bukatar wani Inconel factory wanda ke kula da ƙarfe kamar aikin injiniya-ba dabaru ba- kuna neman horon tsari, ba kawai iyawa ba. Bambanci yana nunawa a farkon samarwa. Kuma yana ɗaukar awanni 10,000.
