
Lokacin da injiniyoyi da manajan siyayya suka nemi a Metal Allurar Molding factory, Ba wai kawai suna neman damar iyawa ba - suna neman amintacce girma, daidaiton kayan aiki, da ingantaccen aiki a aikace-aikacen matsananciyar damuwa. Amma ga abin da mutane da yawa suka gano ya makara: yawancin shagunan "MIM-m" suna ɗaukar nau'ikan geometries masu sauƙi kawai a cikin 316L ko 17-4PH. Kadan amintacce suna sarrafa cobalt-nickel superalloys, suna kula da cikakkiyar ganowa a cikin batches da aka yi wa zafi, ko haɗa simintin gyaran kafa tare da madaidaicin kammalawar CNC-duk ƙarƙashin rufin daya.
Mun ga abokan ciniki sun dawo sau uku zuwa zane iri ɗaya: na farko don porosity a cikin gidajen famfo na AMS 5387, na biyu don microcracking bayan maganin zafi, na uku don rashin daidaituwa na GD&T akan musaya na wurin zama. Kowace gazawar ta samo asali ne zuwa tushen tushe guda ɗaya-ba kayan aiki mara kyau ba, amma rashin isasshen sarrafa ƙarfe a sama. Gaskiya mai kyau na MIM yana farawa kafin allura: ƙwaƙƙwarar ɗanyen foda, rarrabuwa mai sarrafa iskar oxygen, vacuum sintering tare da daidaitattun bayanan ramp/soak, da bayan-sinter HIP inda ake buƙata.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki da kayan aiki na ISO inda kowane cobalt alloy batch - daga T800-tushen nozzles zuwa AMS 5387 piston famfo abubuwan da aka gyara - yana fuskantar bincike mai shigowa (O / N / H abun ciki, rarraba girman barbashi), tabbatar da ƙimar ɓangaren kore, da tabbatar da yawa ta hanyar Archimedes. Babu zato. Babu tsangwama. Wannan ba gidan wasan kwaikwayo ba ne - shine yadda kuke guje wa bambance-bambancen raguwa 12% a cikin juriyar juriyar 0.05 mm.
Wasu masu samar da kayayyaki suna fitar da sinadari. Wasu kuma suna yin mashin ɗin ƙarshe. Wannan rarrabuwar kawuna yana kashe maimaita juzu'i. Mun auna kurakuran tarawa da suka wuce ±0.08 mm a tsakanin dillalai uku da ke sarrafa sashi ɗaya: simintin → sintering → niƙa → ingantaccen CMM.
A QINGDAO QIANGSENYUAN, zuba jari simintin gyaran kafa, MIM, CNC machining, da kuma surface karewa faruwa a cikin daya sarrafawa yanayi. Jikin bawul ɗin matsa lamba yana motsawa daga shirye-shiryen kayan abinci zuwa wucewa ta ƙarshe ba tare da haye tashar jirgin ruwa ba. Wannan yana nufin ƙaran sarrafa tarihin zafi, madaukai na amsawar CMM na nan take, da sifili mai haifar da ƙaramar zazzagewa akan saman rufewa. Na'urar sel CNC-axis ɗin su da yawa kai tsaye suna kashe sifofi kusa-net-babu daidaitawa na biyu-kuma suna amfani da maganin zafi na gida kawai inda juriyar gajiya ta fi dacewa.
Wannan haɗin kai yana ba da sakamako na gaske: 92% ƙimar wucewa ta farko akan GD & T-mahimman fasali; m Rockwell C58-62 taurin kai a fadin T800 shaft rollers; kuma saman mai maimaitawa yana ƙarewa zuwa Ra 0.4 µm akan hanyoyin kwararar allo na cobalt - an tabbatar da bayanan gani, ba kwatanta gani ba.
"Za ku iya yin wannan?" shine tambayar farko kuskure. Abinda ya dace shine: "Menene wannan bangare * ke yi* a cikin aikin matakin-tsari?" Nadi na cibiyar winch ba kawai silinda mai jujjuya ba ne - hawan keke ne mai ɗaukar nauyi tsakanin ɗaukar girgiza da bayyanar ruwan gishiri. Geometry ɗin sa dole ne ya daidaita ƙarfin damuwa, riƙe mai mai, da juriya na lalata.
QINGDAO QIANGSENYUAN ta haɗa bitar aikin injiniya *kafin* fara kayan aiki. Ƙungiyoyin su suna ba da alamar haɓaka haɓakar haɓakawa da wuri: kaurin bango wanda ke gayyatar shafin yaƙi, raguwar abubuwan da ke buƙatar na'urorin lantarki na EDM masu tsada, ko radiyo mai ƙarfi don kwararar foda yayin allura. Ba wai kawai suna cewa "eh" ba - suna ba da shawarar wasu hanyoyin da ke goyan bayan ingantattun simintin gyare-gyare na FEA. Ɗaya daga cikin famfo OEM na Arewacin Amurka ya rage lokacin samfurin samfur da kashi 40 bayan an canza shi daga "ƙira-don-machining" zuwa haɗin haɗin gwiwar haɗin gwiwar MIM.
Har ila yau, suna kula da haɗin gwiwar fasaha tare da ƙwararrun masu samar da kayan aiki - ba don takarda kawai ba, amma don nazarin ƙarfe na haɗin gwiwa. Lokacin da abokin ciniki ya ayyana AMS 5387 tare da ≤12 ppm sulfur don ingantacciyar juriya mai zafi, QINGDAO QIANGSENYUAN ta haɗu da gwajin cancantar albarkatun ƙasa tare da dakin binciken mai kaya-sannan ingantattun sinadarai na ƙarshe ta hanyar OES spectroscopy akan kowane kuri'a.
ISO 9001 yana gaya muku shago yana da inganci *tsarin*. Ba ya gaya muku idan masu aikin su za su iya riƙe ± 0.015 mm a kan 120 mm cobalt alloy gidaje tare da ɓangarorin guda shida. Tambayi maimakon:
FASSARAR QINGDAO QIANGSENYUAN ta hadu da kowane ɗayan waɗannan-ba a matsayin keɓantacce ba, amma a matsayin daidaitaccen aiki. Hankalin su ya kasance kunkuntar: daidaitattun abubuwan ƙarfe na ƙarfe inda gazawar ba zaɓi ba ne - bawul ɗin ruwa, gidajen famfo, ramukan kayan aikin teku. Ba sa korar ƙara. Suna injiniyan maimaitawa.
Ga injiniyoyi masu ƙayyadaddun sassa a ƙarƙashin> matsatsin mashaya 300, a cikin yanayin zafi sama da 450°C, ko fallasa ga slurry abrasive — naku. Metal Allurar Molding factory dole ne yayi fiye da allurar karfe foda. Dole ne ya ba da garantin tsari, kwanciyar hankali, da aikin matakin-tsari. Ba a samun wannan a cikin ƙasidu. An tabbatar da shi a cikin kowane bututun ƙarfe na cobalt, kowane gidan piston da aka kera, kowane shingen winch da aka isar da shi-a kan lokaci, zuwa ƙayyadaddun bayanai, tare da cikakken ganowa.
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