Lokacin da injiniyoyi ke bukata karfe allura gyare-gyaren sabis factory goyan bayan sassan da dole ne su riƙe ± 0.01 mm haƙuri ƙarƙashin 300-bar na'ura mai aiki da karfin ruwa matsa lamba-ko tsira 800 ° C thermal hawan keke a cikin man fetur bawul bawul-ba su fara da wani generic RFQ. Suna farawa da halayen kayan abu, rarraba damuwa, da yanayin gazawar duniya na ainihi. Mun ga shi: bututun cobalt-nickel ya fashe a lokacin gwajin filin-ba daga kuskuren ƙira ba, amma saboda ƙananan ƙirar da aka haɗa ba su da haɗin kan iyakokin hatsi. Wannan shine lokacin da "wani mai siyar da MIM kawai" ya daina amfani.
Me yasa Babban Madaidaicin MIM Ya Bukaci Fiye da Foda + Latsa
Ƙarfe Injection Molding ba CNC machining. Ƙarfe ne mai kama da masana'anta. Kuna ciyar da foda mai kyau na ƙarfe (yawanci <20 µm), a ɗaure shi da kakin zuma na thermoplastic, a yi masa allura a cikin rami, yanke, sa'an nan kuma a kusa da zafi mai narkewa. Kowane mataki yana canza yawa, girman hatsi, da saura damuwa. Bambancin 0.3% a cikin abun ciki na carbon a cikin AMS 5387 cobalt gami? Wannan yana canza taurin daga 42 HRC zuwa 48 HRC-kuma yana kashe rayuwar gajiya a cikin gidajen famfo na piston. Mun tabbatar da wannan a cikin ɗimbin samarwa guda 17. Yawancin masana'antu suna ɗaukar MIM a matsayin "simintin simintin net kusa." Mafi kyawun mu'amala da shi azaman canji na lokaci mai ƙarfi mai ƙarfi.
Shi ya sa madaidaicin gaskiya ke farawa kafin harbin farko. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane aikin MIM yana farawa tare da cak guda uku waɗanda ba za'a iya sasantawa ba: takaddun shaida (ASTM F2885 don cobalt alloys), ƙaddamar da ƙonawa mai haɓakawa (ba kawai lokaci / yanayin zafi ba-amma yawan asarar asarar kowane °C)<-40°C). Tsallake ɗaya, kuma za ku sami gungu na porosity a tushen zaren ko juzu'i mai girma a cikin siraran famfo mai bango. Ba mu fitar da waɗannan abubuwan sarrafawa ba. An gina su a cikin kayan aikinmu masu yarda da ISO a cikin Qingdao-inda layin MIM ke gudana tare da sel CNC mai axis biyar da tanderun maganin zafi.
Inda Ma'auni na MIM suka Buga bangon su - da Yadda Muke Ketare Shi
Wasu abokan ciniki suna tambaya: "Shin za ku iya yin wannan ɓangaren cobalt na T800 ta hanyar MIM?" Amsar mu ba eh ko a'a ba ce. Ita ce: *Menene hanyar lodi mai aiki?* Filogi mara juyawa? Ee-MIM yana ba da cikakken yawa da ƙarfin isotropic. Babban abin nadi na tsakiya mai sauri don injin abin hawa? A'a-MIM kadai ba za ta iya ba da garantin amincin ƙasa da ake buƙata don gajiyawar juzu'i 500,000 ba. A nan ne aikin sarrafa matasan ya fara shiga: MIM preform + gama-mashined mai ɗaukar mujallu + taurin fuskar laser akan wuraren tuntuɓar.
Wannan ba ka'idar ba ce. Mun samar da sassan famfo 12,400 AMS 5387 bara ta amfani da daidai wannan jeri. Yawan: 98.7%. Tushen kin amincewa? Bangarorin biyu sun gaza tabbatar da CMM akan ta'addanci - ba saboda raguwar raguwa ba, amma saboda ɓangaren kore ya lalace yayin sarrafawa kafin ƙaddamarwa. Don haka mun sake fasalin tiren tallafin yumbura. Ƙaddamarwar duniya ta ainihi ta doke ƙayyadaddun alkawuran kowane lokaci.
- Cobalt-nickel MIM sassa: AMS 5387, T800, L605 - ƙwararriyar ganowa don narkewar tsari
- Matsakaicin iko: ± 0.3% haƙurin jurewa na layi, an tabbatar da ASME Y14.5 GD&T
- Mutuncin saman: As-sintered Ra ≤ 3.2 µm; Ra ≤ 0.4 µm da aka yi amfani da shi a kan mahimmin wuraren rufewa
- Tabbatarwa na aiki: Gwajin matsin lamba zuwa 1.5 × matsa lamba na aiki, gwajin leak helium <1×10⁻mbar·L/s
Ba Duk “Custom” Ke Nufin “Ana Sarrafa Ba”—Ga Abin da A Haƙiƙa Ke Motsa Allura
"Custom" ba a yi amfani da shi ba. Masana'anta da ke daidaita wurin ƙofa ko canza lokacin ɓata lokaci tana yin gyare-gyare. Wata masana'anta da ke haɓaka bayanin martabar haɓakar yanayin zafi na ɓangarenku tare da ambulaf ɗin tsarin ku yana sarrafa. Muna yin na ƙarshe.
Misali: gidan matsi na bawul yana buƙatar rashin daidaituwar haɓakar yanayin zafi tsakanin bakin karfe da saka wurin zama na cobalt. Madaidaicin MIM zai ƙirƙiri bambancin 7.2 ppm/°C - isa ya haifar da ɗigowa a 120°C. Maganin mu? Ƙarƙashin ƙaranci-ƙananan yanayin zafin jiki don wurin wurin zama, mafi girma don bangon tsari-da bayan-sinter-sauƙar damuwa-taimako. Sakamakon: rashin daidaituwa ya ragu zuwa 0.9 ppm/°C. Tabbatarwa tare da daidaita taswirar hoto na dijital (DIC).
Wannan matakin shiga tsakani yana aiki ne kawai tare da haɗin kai tsaye. Mun mallaki dakin gwaje-gwajen halayyar foda, jirgin ruwa na tanderun wuta, babban dakin taro na CMM, da layin taro na ƙarshe. Babu handoffs. Babu gibin bayanai. Ƙungiya ɗaya kawai ta injiniya ke bin abun cikin oxygen, ilimin halittar jiki, da ƙarfin juzu'i daga ID mai yawa zuwa bayyanar jigilar kaya.
Zaɓan Kamfanin Sabis ɗin Sabis ɗin Ƙarfe na Ƙarfe Ba Game da Ƙarfi ba - Yana Game da Mahimmanci
Idan sashinka yana aiki a cikin tsarin na'ura mai aiki da karfin ruwa, kayan mai & iskar gas, ko manyan tarukan famfo - kuma yana buƙatar allunan cobalt, m GD&T, ko ingantaccen aiki fiye da girman bugu - kuna buƙatar fiye da mai siyarwa. Kuna buƙatar abokin tarayya wanda ke magana da ƙarfe da kyau, yana ɗaukar sintirin kamar maganin sinadarai, kuma yana auna nasara ta ƙimar gazawar filin-ba kawai yawan amfanin ƙasa ba.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina wannan damar kullun. Ba a matsayin da'awar tallace-tallace ba-amma a matsayin takaddun tsari, rahotanni na dubawa na ɓangare na uku, da 237 sun aika da yawa na abubuwan da ba daidai ba na MIM tun Q1 2023. Mataki na gaba baya neman ƙima. Yana aika zanen GD&T ɗinku don bitar ƙirƙira-tare da juzu'in NDA ba tare da zato ba, zato na lokacin jagora, da rashin haƙuri don zato.
Domin a cikin gyare-gyaren gyare-gyaren ƙarfe mai mahimmanci, bambanci tsakanin "ayyukan" da "ba za su kasa ba" ana auna su a cikin microns, minti, da kimiyyar kayan aiki-ba taken talla ba.
