Lokacin da injiniyoyin sararin samaniya suna buƙatar injin turbine, nozzles na man fetur, ko gidaje masu kunnawa waɗanda ke riƙe ± 0.02 mm haƙuri a ƙarƙashin 800°C thermal cycling da 15,000 psi na'ura mai aiki da karfin ruwa lodi-ba su daidaita don "mai kyau isa" simintin. Suna zuwa wani Kamfanin zuba jari na Aerospace tare da ingantattun horo na ƙarfe, ba kawai ƙarfin yin ƙira ba.
Abin da ya sa ƙungiyoyin ƙira a Arewacin Amirka da Turai suna aika GD & T-arziƙi zane-zane don sassan famfo-nickel-nickel kai tsaye zuwa Qingdao Qiangsenyuan Technology Co., Ltd - ba saboda shine zaɓi mafi arha ba, amma saboda sarkar tsarin sa yana kawar da maki gazawar gama gari: micro-shrinkage a cikin sassan bakin ciki-bango, rarrabuwar carbide a cikin simintin simintin 8 na AMS 5 da 3 na ƙarshe. inji.
Babu wasu simintin gyare-gyaren sararin samaniya guda biyu da suke da hali iri ɗaya-don haka masana'anta ma bai kamata ba
Mun ga ayyuka da yawa sun jinkirta ta hanyar tsammanin da ba su dace ba: mai ba da kaya yana ambaton "simintin zuba jari" yayin gudanar da kayan aikin yashi; wani mai tabbatar da "AMS 5387 mai yarda" ba tare da takamaiman rahotannin batsa ba; na uku rike da bayanan CMM kawai don binciken labarin farko-ba kowane yawa ba. A Qingdao Qiangsenyuan, mayar da martani yana farawa da gano kayan aiki - ba da'awar talla ba.
Kowane ingot na tushen T800 na cobalt yana zuwa tare da rahotannin gwajin niƙa, cikakken nazarin sinadarai a kan wurin, da kuma tarihin zafin rana wanda aka ɗaure da zafin mutum. Wannan yana nufin lokacin da abokin ciniki ya ba da odar 42 cobalt alloy nozzles don tsarin ma'aunin matsi mai ƙarfi, ginin ba wai kawai ya zubar da ƙarfe ba - yana tsara taswirar hatsi a kan jagorar kwarara a cikin ƙirar kakin zuma, yana daidaita zafin zafin jiki a kowane ɓangaren kauri, kuma yana riƙe lokacin ƙarfi a cikin ± 90 seconds na fitowar simintin.
Wannan ba ka'idar ba ce. A cikin wani aikin kwanan nan don na'urar injin lantarki ta Turai OEM, mun kama 0.035 mm karkatar da kauri a cikin kakin kakin zuma * kafin * tsoma harsashin yumbu — ta amfani da na'urar daukar hoto na gani maimakon calipers. Wannan ya ceci makonni uku na sake yin aiki da kuma kawar da tarkace daga simintin 17 na farko.
Haɗin kai tsaye ba kalma ba ce - hanya ce ɗaya tilo don sarrafa amincin ƙananan tsarin
Yawancin masu samar da kayayyaki suna fitar da aikin gamawa, maganin zafi, ko ma injina na ƙarshe. Wannan yana karya lissafin lissafi-kuma yana gabatar da masu canji mara sarrafawa. Ma'aikacin tanderun da ke kula da zafi a cikin wuri ɗaya na iya yin hawan sama a 5°C/min; wani a 12°C/min. Dukansu sun haɗu da "AMS 2750E Class 2" akan takarda-amma ɗaya ne kawai ke ba da daidaituwar hazo a cikin alluran cobalt-nickel.
Qingdao Qiangsenyuan gudanar duk m matakai karkashin daya ISO-compliant rufin: zuba jari simintin, Multi-axis CNC machining (ciki har da 5-axis lokaci guda contouring), injin zafi magani, da kuma surface karewa kamar electropolishing ko HVOF shafi. Babu handoffs. Babu gibin bayanai. A'a "ya ce / ta ce" yayin binciken tushen tushen.
Sakamakon? Gidajen Silinda na Piston wanda ya wuce gwajin matsa lamba 100% a matsa lamba na 1.5 × - tare da leaks na sifili a cikin raka'a 212 a cikin matsakaicin matsakaicin matsakaicin kwanan nan. Me yasa? Saboda ƙungiyar guda ɗaya wacce ta tabbatar da ƙirar gating kuma ta tabbatar da ƙaƙƙarfan yanayin ID na ƙarshe (Ra ≤ 0.4 µm) da kuma tabbatar da rarraba taurin (HRC 42-46) a duk tsayin ƙura-ba kawai a maki uku ba.
Ba game da ɓangarorin simintin gyare-gyare ba — game da cancantar aikin aiki ne
Wasu masana'antun saka hannun jarin sararin samaniya suna ɗaukar GD&T azaman kayan ado. Qingdao Qiangsenyuan ya ɗauke ta a matsayin kwangilar. Lokacin da zane ya yi kira ga haƙurin matsayi na Ø0.05 mm akan ramukan bolt shida dangane da jirgin datum da aka ƙera bayan simintin gyare-gyare, ɗakin shagon yana amfani da na'ura mai daidaitawa tare da ƙudurin 0.001 mm-kuma yana yin rikodin kowane karatu a cikin amintaccen bayanan bayanan da aka haɗa da lambar zafi na ɓangaren.
Wannan matakin matsananciyar al'amura mafi mahimmanci inda lissafin lissafi ya hadu da aiki: winch center shaft rollers don motocin injiniya dole ne su juya gaskiya cikin 0.01 mm jimlar karatun nuni (TIR) ƙarƙashin nauyi mai ƙarfi. Bawul ɗin matsa lamba suna buƙatar saman rufewa mara ɗigo tare da ƙarewar saman da ya dace da bayanan saitin matsi na elastomer. Waɗannan ba "kyakkyawan abubuwan da za a samu ba." Suna da ka'idojin wucewa/ gazawa da aka saka a cikin kowace ƙa'idar dubawa.
Abokan ciniki sun gaya mana wannan yana sa bitar injiniya cikin sauri-ba a hankali ba. Ɗaya daga cikin masana'antun famfo na Arewacin Amurka ya yanke tsarin ƙirar sa daga kwanaki 11 zuwa kwanaki 3.5 bayan ya canza zuwa Qingdao Qiangsenyuan's farkon masana'antu ra'ayoyin: fassarar GD&T na ainihi, ƙirar juriya tari, da sauran shawarwarin kayan aiki dangane da ainihin ma'aunin amsa zafi na cikin gida-ba cikakkun bayanai ba.
Neman gaba: matakan matasan, ba kawai simintin gyare-gyare ba
Iyaka ta gaba ba manyan tanderu bane ko sauri CMMs. Yana da tsananin haɗuwa tsakanin simintin gyare-gyare da machining-musamman ga rikitattun geometries na ciki wanda ba zai yuwu a cimma ta kowane tsari kaɗai ba. Yanzu muna haɓaka ayyukan aiki na matasan inda sifofin saka hannun jari na kusa-net ɗin ke fuskantar madaidaicin hakowa na EDM * kafin * milling na ƙarshe na CNC — yana ba da damar sanyaya tashoshi a cikin gidajen injin turbin tare da kauri na bangon 0.3 mm da 12: 1 al'amari rabo.
Wannan yana buƙatar haɗin gwiwar R&D mai zurfi ba kawai tare da abokan ciniki ba, amma tare da abokan haɗin gwiwar kimiyyar kayan aiki. A halin yanzu, aikin haɓaka haɗin gwiwarmu yana mai da hankali kan haɓaka hanyoyin ƙarfafa ƙarfi don bambance-bambancen sigma-lokaci na T800, rage lokacin ɓarkewar simintin simintin 37% ba tare da ɓata juriya ba.
Idan bangaren sararin samaniyar ku na gaba yana buƙatar fiye da daidaiton ƙira-idan yana buƙatar halayen ƙarfe da za a iya tsinkaya, cikakken ganowa, da rashin haƙuri don tafiyar matakai - kuna buƙatar Kamfanin zuba jari na Aerospace gina don manufa-muhimmin kisa. Ba girma ba. Ba sauri ba. Tabbas.
