Lokacin da injiniyoyi suka bayyana a cpp zuba jari simintin gyaran kafa factory, Ba wai kawai suna neman wani tushe ba - suna neman kwanciyar hankali a ƙarƙashin hawan hawan zafi, daidaiton microstructural a cikin AMS 5387 cobalt alloy, da kuma rashin haƙuri ga porosity a cikin famfo Silinda gidaje rated for 400+ mashaya. Wannan shine gaskiyar aiki da muke gani yau da kullun a Qingdao Qiangsenyuan Technology Co., Ltd — wurin da simintin saka hannun jari ba tsari bane mai zaman kansa amma wanda aka haɗe tare da injinan CNC da yawa, tsarin kula da zafi, da dubawar GD&T.
Me yasa "CPP" ke nufi fiye da gajarta kawai
“CPP” tana nufin *Cobalt-Precision-Pump*—ba layin talla ba, amma triad ɗin aiki da aka saka cikin kowane tsari. Mun ga abokan ciniki suna jigilar zanen da aka yiwa lakabin "AMS 5387, RMA 40, ± 0.02 mm" kawai don gano tsakiyar samarwa cewa ƙirar su ta asali ba ta ƙididdige haɓakar haɓakawa a cikin jikin bututun ƙarfe na bakin ciki ba. Shi ke nan lokacin da CPP ke canzawa daga gajarta zuwa aiki: masana aikin ƙarfe namu suna daidaita lissafin gating; injinan mu suna sake yin jerin ƙarewar yanke don adana amincin farfajiyar da aka jefa; QAungiyar mu ta QA tana tabbatar da matakan tauri a duk yankin da zafi ya shafa-ba kawai a saman ba.
Wannan ba ka'idar ba ce. A bara, wani Turai na'ura mai aiki da karfin ruwa OEM ya aiko mana da wani piston famfo gidaje tare da uku intersecting bores, kowane na bukatar daban-daban surface gama (Ra 0.4 µm kan sealing fuskoki, Ra 1.6 µm a kan hawa saman). Tsarin aiki na yau da kullun zai kasance don jefar da mugu, sannan injin komai. Madadin haka, mun yi amfani da simintin saka hannun jari don isar da siffa ta kusa-takwas akan ƙullun biyu - kuma mun yi na uku kawai, inda aka yi amfani da mafi tsananin haƙuri. Lokacin zagaye ya ragu da kashi 37%. Adadin datti ya fadi daga 11% zuwa 1.8%.
Ƙarfi Hudu waɗanda A Haƙiƙa suke yin cuɗanya
Yawancin masu samar da kayayyaki suna lissafin "simintin simintin gyaran kafa + machining + kammalawa" azaman ayyuka daban-daban. A wurin aikinmu na Qingdao, waɗannan ayyukan suna raba bayanan kayan aiki, rajistan ayyukan tarihin zafi, da jadawalin binciken CMM. Ga yadda yake aiki a aikace:
- Ikon yin simintin yana farawa kafin zubawa: Mun tabbatar da takaddun shaida don T800 gami da ASTM A992-sannan mu bincika bincike na gani akan rahotannin tsari na kaya. Babu ware.
- Machining rama don bambancin simintin gyaran kafa: Our Haas VF-6 Mills yi amfani da ainihin kayan aiki sa ramuwa, ciyar da in-aiki Laser scanning na m datum fasali-don haka idan wani simintin gudanar 0.015 mm oversize a kan flange fuska, da niƙa daidaita zurfin-na-yanke ta atomatik.
- An shirya maganin zafi-ba a haɗa shi ba: Lokacin da filogi na cobalt yana buƙatar warwarewa a 1150 ° C ± 5 ° C, ba mu fitar da waje. Murfin injin mu yana yin rikodin kowane karatun thermocouple, kuma bayanan suna daidaita kai tsaye zuwa tagwayen dijital na ɓangaren a cikin MES ɗin mu.
- Ƙare matches aiki, ba takamaiman zanen gado ba: Babban abin nadi na cibiyar winch baya buƙatar uniform Ra 0.8 a tsawon tsayinsa - kawai akan rukunin lamba 42 mm. Muna rufe wuraren da ba su da mahimmanci kuma muna amfani da electro-polish da zaɓi.
Abin da Abokan Ciniki A Haƙiƙa suke Gwaji-Ba Abin da Takaddun Bayanai ke Iƙirari ba
Wasu suna tambaya: "Shin za ku iya riƙe ± 0.015 mm akan 320 mm cobalt alloy valve body?" Ee-amma kawai idan zanen ya bayyana ma'aunin tushe dangane da tsarin datum kamar yadda aka jefa, ba asalin CAD na ka'ida ba. Wasu kuma suna ɗaukan “simintin bakin karfe” na nufin 316L. Amma a cikin babban matsi na mai & iskar gas, mun saba zuwa CF8M sai dai idan an gaya mana ba haka ba-saboda abun cikin sa na ferrite yana sarrafa juriyar lalatawar da ke cikin yanayi mai tsami.
Mun sami abokan cinikin Arewacin Amurka guda uku sun dawo da sassa - ba don gazawar juzu'i ba, amma saboda injin robotic ɗin layin taronsu ya zame a kan ƙarshen saman wanda ya dace da ƙayyadaddun Ra amma ba su da ƙaramin rubutu da ake buƙata don daidaituwar juzu'i. Yanzu, mun haɗa da sikanin profilometer a cikin kowane fakitin PPAP don abubuwan ɗaukar kaya. Ba na zaɓi ba. Ba za a iya sasantawa ba.
Inda Daidaito Ya Haɗu da Isarwa Mai Aiki
A gaskiya cpp zuba jari simintin gyaran kafa factory dole ne a daidaita ƙarfin ƙarfe tare da horon samarwa. Wannan yana nufin riƙe ISO 9001: takaddun shaida 2015 yayin da kuma gudanar da bita na kaizen na yau da kullun kan ƙimar karbo yashi a cikin sashin harsashi na saka hannun jari - ko bin diddigin ƙimar farko akan bututun AMS 5387 a cikin zazzaɓi guda biyar a jere don gano ɓacin rai a cikin girman rabon hatsi.
Muna bauta wa abokan ciniki daga Hamburg zuwa Houston zuwa Ho Chi Minh City - ba ta hanyar masu rarrabawa ba, amma ta hanyar nazarin injiniyan kai tsaye. Kowace magana ta haɗa da amsawar ƙirƙira: "Wannan radius ɗin fillet zai kama ragowar yumbura - ba da shawarar R1.2 min." "Waɗannan ramukan makafi sun zarce iyakokin rabon harsashi - ba da shawara ta hanyar rami tare da toshe." Babu jargon. Babu juyowa. Shigar da kawai za a iya aiwatarwa, ana kawowa cikin sa'o'i 72.
Idan muka dubi gaba, hankalinmu ya tsaya kunkuntar: zurfin ƙwarewar tsarin cobalt-nickel, haɗin kai tsakanin simintin simintin gyare-gyare da tsararrun hanyoyin CNC, da faɗaɗa ikon AS9100 don taron famfo na sararin samaniya. Saboda ba a auna madaidaicin a cikin microns kadai - an tabbatar da shi a cikin lokacin aiki, maimaita umarni, da kwanciyar hankali na injiniya wanda ya san ainihin abin da ke faruwa lokacin da narkakkar T800 ya fado.
