Lokacin da injiniyoyi ke buƙatar sassan ƙarfe na ƙarfe masu tsayi waɗanda ke jure matsi na hydraulic psi 30,000, tsayayya da galling a cikin gidajen famfo na ruwan gishiri, ko kiyaye daidaiton girma bayan 800°C maganin zafi-misali machining ko mutu simintin gyare-gyare sau da yawa yakan ragu. A nan ne gaskiya karfe allura gyare-gyaren tsari factory earns its place: not as a generic supplier, but as a technical partner fluent in the physics of fine-grained microstructures, binder burnout kinetics, and sintering shrinkage compensation.
Mun ga abokan ciniki suna jigilar samfuran MIM tare da ± 0.3% haƙurin layi-kawai don ganowa yayin gwajin aiki cewa cobalt alloy nozzles ya faɗi ƙarƙashin hawan keke. Tushen dalili? Rashin isassun iko akan rarrabuwar farashin gangara da raɓar yanayin raɓa. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane MIM kuri'a yana farawa tare da AMS 5387 ko T800 foda takardar shaida-ba kawai tensile data, amma oxygen abun ciki, barbashi size rarraba (D50 ≤ 8.2 µm), da kuma matsa yawa tabbatarwa. Muna ƙi batches a waje da 4.2-4.4 g/cm³. Wannan ba wuce gona da iri ba ne. Yana da yadda muke riƙe ± 0.05 mm akan 12-mm-diamita fistan famfo silinda gidaje bores bayan sintering.
Yawancin masana'antu suna ɗaukar MIM a matsayin "foda + mold + wuta." Muna bi da shi azaman nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan da aka daidaita don raguwar anisotropic, da sarrafa yanayin yanayi tare da sa ido kan matsa lamba na lokaci-lokaci. Misali, filogin mu na cobalt-nickel na buƙatar bayanin martaba na matakin mataki biyu: Minti 60 a 1150 ° C a cikin 5% H₂-95% N₂ don cire ragowar carbon, sannan mintuna 90 a 1320 ° C a cikin tsantsar hydrogen don cimma> 99.2% yawa. Tsallake kowane mataki, kuma taurin ya sauko daga 42 HRC zuwa 36 HRC - ya isa ya haifar da lalacewa a cikin kujerun bawul mai tsayi. Muna shiga kowane siga. Kowane tsari yana ɗauke da cikakken abin ganowa: foda mai yawa, ƙuri'a mai ɗaure, ID na rami mai ƙura, yankin murhun wuta, da rahoton binciken CMM.
Haɗin kai tsaye yana raba mu da dillalai. Ba mu fitar da kayan aiki ba. Ba mu yin noma na injina na ƙarshe. Kayan aikin mu mai yarda da ISO yana gudanar da MIM tare da injin CNC mai axis biyar, simintin saka hannun jari, da maganin zafi - duk a ƙarƙashin rufin ɗaya. Lokacin da abokin ciniki ya aika zane na GD&T don ɓangaren famfo na AMS 5387 tare da kiran matsayi na gaskiya akan ramukan Ø3.2 mm takwas dangane da datum Ø25 mm, ba ma neman bayani. Muna kwaikwayi jujjuyawar hanyar kayan aiki, daidaitawa don murdiya bayan-sintering ta amfani da taswirorin raguwa na tarihi, kuma muna amfani da ƙarshen-juyawar haske kawai inda filaye masu mahimmanci ke buƙatar Ra ≤ 0.4 µm. Babu sake yin aiki. Babu mamaki. Kawai yarda-farko.
Isar da sahihancin duniya ya dogara ne akan abin da ya faru kafin harbin farko. Mun sake nazarin zane-zane sama da 1,200 MIM masu shirye-shiryen tun daga 2020-kuma mun sami maki uku masu maimaitawa: ɓangarorin da ke buƙatar EDM sinker electrodes maimakon daidaitaccen ƙarfe na ƙarfe, kaurin bango ya wuce 3: 1 rabo (wanda ke haifar da raguwar bambanci), da ramukan makafi mai zurfi fiye da diamita 4 × (binder mai ɗaure). Teamungiyar injiniyoyinmu suna ba da alamar waɗannan a cikin bita kafin samarwa-kyauta-kuma tana ba da shawarar tweaks na lissafi wanda ya rage farashi da 22% akan matsakaita. Wani abokin ciniki na kayan aikin mai na Arewacin Amurka ya rage lokacin jagora daga makonni 14 zuwa makonni 6.5 bayan ɗaukar madaidaicin ra'ayin mu na DFM.
Idan aikace-aikacen ku yana buƙatar maimaitawa a cikin raka'a 5,000, daidaiton ƙarfe a cikin batches 20, ko ingantaccen aiki fiye da ASTM B962, kuna buƙatar fiye da masana'antar sarrafa allurar ƙarfe. Kuna buƙatar abokin tarayya wanda ke kula da kowane gram na cobalt alloy kamar na'urar kayan aiki - kuma yana auna nasara ba a cikin akwatunan da aka aika ba, amma a cikin gazawar filin filin bayan 10,000 na aiki. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina wannan tabbacin cikin kowane mataki na tsari. Ba kamar ka'idar ba. Kamar yadda aikin yau da kullun.
