Lokacin da injiniyoyi suka ƙididdige bawul ɗin matsa lamba don tsarin ruwa mai aiki a mashaya 420-ko lokacin da ƙungiyoyin kulawa suka maye gurbin gidan famfo na piston a kan rijiyar mai na teku-ba sa buƙatar sassa kawai. Suna bukata masana'antu sassa factory abokan hulɗa waɗanda ke kula da kwanciyar hankali kamar kwangila, daidaiton ƙarfe kamar alkawari, da lokacin isarwa kamar ranar ƙarshe.
Shi ya sa madaidaicin sassa masu mahimmanci - kayan aikin injin lantarki, motocin injiniya, kayan aikin mai & iskar gas, da manyan taro masu fafutuka - suna ƙara juyowa ga masana'antun tare da haɗin kai tsaye, ƙayyadaddun ƙayyadaddun tsari na alloy, da ƙarancin haƙuri don jujjuyawar tsari-zuwa-tsari. Ba kowane ma'adanin ba zai iya ɗaukar ± 0.015 mm akan kujerar bututun ƙarfe na cobalt-nickel. Ba kowane kantin CNC ba ne zai iya na'ura AMS 5387 ba tare da gurɓataccen yanki ko yanayin da zafi ya shafa ba. Kuma kaɗan kaɗan ne ke haɗa ƙarfin duka biyun a ƙarƙashin rufin da ya dace da ISO-yayin da ake ci gaba da bin diddigin kayan aiki daga T800 alloy ingot zuwa gama abin nadi mara daidaitaccen shaft.
Me Yasa Gwanin Alloy Ba Zabi Ba—Tace Na Farko
Cobalt-nickel superalloys kamar AMS 5387 da T800 ba a zaɓa don kayan ado ba. An ƙayyadad da su inda juriya na yashwa, kwanciyar hankali na zafi sama da 650 ° C, da ƙarfin ƙarfi sama da 1,100 MPa ba za a iya sasantawa ba. Amma taurinsu (45-52 HRC as-cast) da ƙarancin zafin jiki yana sa su zama marasa gafartawa a cikin injina. Mun ga abokan ciniki suna jigilar zane-zane suna ɗaukar daidaitattun hanyoyin kayan aiki-kuma suna karɓar sassa tare da alamomin zance, fashe-fashe na ƙasa, ko ɓarkewar ƙasa wanda ya gaza gwajin fenti.
Gyaran ba shi da sauri spindles. Yana da pre-cancantattun sigogin yankan, kayan aikin carbide tare da suturar PVD TiAlN, ƙimar kwararar mai sanyaya da ke ƙasa 12°C, da sa ido kan yanayin zafi. A wurin aikinmu na Qingdao, kowane aikin gawa na cobalt yana farawa ne da nazarin ƙarfe-ba wai kawai na sinadarai ba, har ma da rarraba girman hatsi da tarihin maganin zafin rana. Muna samo takaddun takaddun shaida na T800 kawai tare da rahoton gwajin niƙa waɗanda za a iya gano su zuwa ASTM B572 da AMS 5719. Babu keɓancewa.
Haɗin Kai Tsaye Wanda A Haƙiƙa Yana Bada Kwanciyar hankali
Yawancin masu samar da “tsaya ɗaya” suna fitar da simintin gyare-gyare ko gamawa. Wannan yana haifar da gazawar maki uku: rashin daidaituwa kamar simintin simintin gyare-gyaren da ke shafar injina; sauye-sauye masu girma a lokacin damuwa-taimakon annealing; da sãɓãwar launukansa gama a kan dillalai. Muna sarrafa duk matakai hudu - zuba jari / yashi simintin gyare-gyare, Multi-axis CNC machining (har zuwa 5-axis lokaci guda), zafi magani (ciki har da bayani annealing + tsufa da AMS 2750), da kuma aiki surface gama (electropolishing, harbi peening, HVOF shafi).
Wannan yana da mahimmanci akan abubuwan da aka gyara kamar tushen famfo ko winch center shaft rollers. Waɗannan ba madaidaicin filaye ba ne—suna ɗaukar girgiza mai ƙarfi, suna watsa juzu'i a ƙarƙashin nauyin hawan keke, da mu'amala tare da hatimai masu ƙarfi. A 0.03 mm karkata a cikin ɗauke da zagaye na jarida? Wannan yana haɓaka hatimi da kashi 300 cikin 100 na gwaje-gwajen filin da muka bi diddigin ma'aikatan jiragen ruwa na Arewacin Amurka 17. Haɗin gwiwar aikin mu yana kawar da handoffs. Bayanai na CMM daga simintin gyare-gyare masu tsauri suna ciyarwa kai tsaye zuwa ƙirar ƙirar CNC. Ana shigar da kewayon maganin zafi akan lambobi kafin niƙa ta ƙarshe. Babu wani abu da ke ɓacewa a cikin fassarar-ko cikin wucewa.
Ingancin Wanda Aka Gina Aciki, Ba'a Dubashi Ba
"Muna duba komai" ba shi da ma'ana ba tare da ƙayyadaddun ƙofofin ba. Yarjejeniyar mu tana da tasha huɗu masu wuya: (1) tabbatar da albarkatun ƙasa mai shigowa ta amfani da sikirin OES da gwajin ultrasonic; (2) dubawa a cikin tsari bayan m machining ta amfani da Zeiss CONTURA G2 CMM da Keyence VHX-7000 dijital microscopy; (3) Tabbatar da bayan-zafi-jiyya na taurin, kwararar hatsi, da ragowar damuwa ta hanyar XRD; (4) ingantaccen aiki na ƙarshe-ciki har da gwajin matsa lamba har zuwa mashaya 600 da duban ma'auni na juyawa don majalissar shaft.
Muna riƙe da cikakken abin ganowa: lambar kuri'a, log ɗin narke, yanayin zafin zafi, rahoton CMM, da ID na ma'aikaci an saka su a cikin kowane sashe mai lamba QR. Lokacin da OEM na Turai na buƙatar bincike-tushen tushen akan bawul ɗin gajiyar gidaje, mun ja cikakken rikodin samarwa - gami da faifan ɗaukar hoto daga ƙarshen ƙarewar ƙarshe - cikin mintuna 90. Wannan ba yarda ba ne. Wannan shi ne abin da aka ƙirƙira a cikin kowane Layer.
Amintaccen masana'anta yana farawa tun kafin guntu na farko ya tashi. Yana farawa da fahimtar dalilin da yasa filogin cobalt ya kasa aiki a cikin sabis na iskar gas-ba saboda sunadarai ba, amma saboda iskar oxygenation na intergranular a mashin-induced recast Layer. Yana nufin sanin cewa ginin famfo na simintin ƙarfe na yashi yana buƙatar nau'ikan ɗaure daban-daban don jigilar ruwa da hamada. Yana nufin kula da kiran kira na GD&T ba azaman takarda ba, amma azaman manufar aiki da aka fassara zuwa sarrafa tsari.
Ga injiniyoyi masu samar da mahimman abubuwan ƙarfe na manufa, dama masana'antu sassa factory ba shine mafi ƙasƙanci ba. Abokin tarayya ne wanda ya yi tambaya game da mafi munin gazawar filinku kafin ya faɗi odar ku ta gaba-sannan ya gina ma'auni a cikin tsarin tsari. Haka abin dogaro ke zama mai maimaitawa.
