Lokacin da injiniyoyi suka ƙididdige sassa don famfunan ruwa na ruwa, bawul na teku, ko tsarin winch masu nauyi, ba kawai suna buƙatar “karfe na injina ba.” Suna buƙatar kwanciyar hankali a ƙarƙashin matsa lamba 300. Suna buƙatar cobalt alloy nozzles waɗanda ke tsayayya da galling a 650 ° C. Suna buƙatar gidajen simintin simintin gyare-gyare inda ingantacciyar ƙirar microstructure ta dace da kiran kiran GD&T-har zuwa ± 0.01 mm. Wannan shine dalilin da ya sa OEMs na duniya da masu samar da Tier-1 ke komawa a koyaushe Premier ainihin machining factory kafe ba a cikin iƙirarin tallace-tallace ba-amma a cikin sarrafa tsari mai maimaitawa, horo na ƙarfe, da duba rashin daidaituwa.
Haƙuri na duniya na ainihi yana haifar da zaɓin masana'antu na gaske
Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin samfur—ba daga ƙira mara kyau ba, amma daga iyawar da ba ta dace ba. Wani abokin ciniki ya taɓa aiko mana da zanen famfo famfo na AMS 5387 tare da haƙƙin haƙƙin matsayi na gaskiya na Ø0.015 mm akan ƙwanƙwasa takwas masu mahimmanci. Mai ba da kayayyaki na baya ya nakalto shi a matsayin "CNC-machinable," sannan ya ba da kuri'a guda uku a jere tare da karkatar da 0.032 mm akan saman hatimin baya. Me yasa? Saboda sun CNC'd wani yashi-simintin simintin gyare-gyare ba tare da kawar da damuwa da farko ba - kuma ba su auna zafin zafi ba yayin wucewar sa'o'i da yawa. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., muna ɗaukar kowane micron a matsayin abin da ake buƙata na aiki, ba ƙayyadaddun bayanai ba. Wurin mu na yarda da ISO a cikin Qingdao yana haɗa simintin gyare-gyare, magani mai zafi, da injina 5-axis a ƙarƙashin rufin ɗaya-ba don dacewa ba, amma don kulle ƙwaƙwalwar ƙira ta kan iyakokin tsari. Lokacin da kuka injin T800 cobalt alloy toshe bayan simintin saka hannun jari, ragowar damuwa ba ka'ida bane. Shi ne abin da ke jujjuya axis ɗin ku na ƙarshe da 0.008 mm. Muna taswira. Muna sauke shi. Mun tabbatar da shi-kafin farkon yanke.
Ba duk shagunan "high-alloy" ba ne ke sarrafa superalloys iri ɗaya
Wasu masana'antun suna lissafin "cobalt-nickel alloys" a cikin kasidarsu kuma su tsaya a can. Amma ƙwarewa ta gaya mana: AMS 5387 ba ya yin komai kamar Inconel 718 lokacin da ake niƙa nozzles na bakin ciki. Matsakaicin ƙarfin aikin sa yana ƙaruwa bayan zurfin yanke 0.15 mm. Its thermal conductivity shine rabin na bakin karfe - don haka rayuwar kayan aiki tana raguwa idan ruwan sanyi ya faɗi ƙasa da 45 L/min a 12,000 rpm. Muna gudanar da saka idanu na sadaukarwa akan injunan mu na Mazak INTEGREX i-200S-ba don bin awoyi na lokaci ba, amma don gano ƙirar ƙira-ƙira da ke gaba da lalata ƙasa. Wannan shine yadda muke riƙe Ra ≤ 0.4 µm akan diamita na ciki na kujerun cobalt gami da bawul ɗin kujeru, har ma a 120 mm tsayi-zuwa diamita rabo. Kuma a-muna inganta kowane kuri'a akan girman hatsin ASTM E112, kowane buƙatun abokin ciniki. Babu zato. Babu gajerun hanyoyi.
Haɗin kai tsaye yana nufin ƴan hannun jari-da ƙarancin gazawar maki
Yi la'akari da jikin bawul ɗin matsa lamba: jefa a cikin ductile baƙin ƙarfe (ASTM A), zafi-biyya zuwa 28-32 HRC, sa'an nan machined da shida sealing saman, hudu threaded tashar jiragen ruwa, da biyu latsa-fit bearing bores-duk a cikin ± 0.012 mm jimlar gudu. Idan simintin gyare-gyare, maganin zafi, da machining sun faru a wasu dillalai daban-daban, wanene ya mallaki kuskuren tarawa lokacin da taron ƙarshe ya fado a mashaya 250? A QINGDAO QIANGSENYUAN, ƙungiyar injiniya ɗaya ce ke kula da cikakken jerin. Kamfanonin mu na amfani da tantancewar batch kafin zubawa. Tanderun da ake kula da zafi na mu na lissafin bayanan yanayin yanayin kowane kaya-ba kowane motsi ba. Lab ɗin mu na CMM yana gudanar da madaidaitan ma'auni na ASME B89.1.10M kowace rana, kuma kowane bangare yana samun cikakken binciken geometric ba kawai tabo ba. Ganowa ba rahoto ba ne; lambar QR ce da aka zana cikin kowane ɓangaren da ke haɗa baya don narkar da sinadarai, ID ɗin gwajin ƙarfi, da ma'aikacin da ya sanya hannu kan binciken gani na ƙarshe.
Wannan shine yadda sassa masu mahimmancin manufa ke samun amana-ba kawai isarwa ba
Abokan cinikinmu ba sa zaɓe mu don mafi ƙarancin farashi. Sun zaɓe mu saboda lokacin da fam ɗin OEM na Turai ya buƙaci gidaje 47 marasa daidaituwa na silinda don injin gwajin ƙasa - kuma suna buƙatar cikakkun takaddun shaida, rahotannin NDT, da bayanan gwaji na aiki a cikin kwanaki 18-sun san tsallake “tsara don ƙira” bita zai biya fiye da abin da aka ambata. Don haka mun gudanar da ingancin GD&T kafin yin magana. Alamun juriyar bayanan martaba guda biyu da basu dace da daidaitaccen kayan aiki ba. An ba da shawarar sake fasalin tsarin datum wanda ke gudanar da aiki yayin yanke lokacin sake zagayowar da kashi 22%. Ana isar da shi akan jadawali-tare da ƙwararrun kowane girma, an tabbatar da kowane saman ƙasa, da kowane lalurar maganin zafi a ajiye. Wannan shine yanayin aiki na gaskiya Premier ainihin machining factory: shawarwarin fasaha da aka gina a cikin aikin aiki, ba a ƙara shi azaman tunani ba.
Neman gaba, buƙatun ba shine "ƙarin machining ba" - don hanyoyin samar da wayo ne. Simintin saka hannun jari da madaidaicin hakowa na EDM don tashoshi masu sanyaya a cikin rotors na famfo mai matsa lamba. Yashi simintin gyare-gyare tare da maƙallan thermocouples don taswirar ƙarfafawa a ainihin lokacin. R&D ba tabbatacciyar hanya ba ce a nan - ana auna ta a cikin ragi mai ɗorewa, madaidaitan ƙimar Cpk akan halaye masu mahimmanci, da saurin cancantar zagayowar don sabbin abubuwan haɗin sararin samaniya. Idan aikin ku na gaba ya ta'allaka ne akan maimaitawa-ba zance ba-farawa tare da bayyana gaskiya, ba alƙawuran ƙasida ba. Sassan ba za su yi ƙarya ba. Mu ma.
