Lokacin da injiniyoyi ke buƙatar sassa na ƙarfe waɗanda ke riƙe juriya mai ƙarfi, tsayayya da matsanancin lalacewa, kuma tsira da matsanancin yanayin hydraulic ko mai & gas -ba su daidaita don "kusa sosai." Suna neman a mim foda metallurgy factory tare da ingantaccen horo a cikin sarrafa cobalt-nickel superalloys, ba kawai wanda ke tafiyar da tsari ba. Amma ga abin da mafi yawan ƙungiyoyin samar da kayan aiki ke ganowa kawai bayan jinkiri ko gazawar labarin farko: MIM ba ta canzawa tare da simintin saka hannun jari-ko injinan CNC. Daidaitaccen yanayin muhalli ne. Kuma ainihin bambance-bambancen ba kayan aiki bane a ƙasa. Yana da yadda tsattsauran ilimin kimiyyar abu, fassarar GD&T, da metrology a cikin tsari ke saƙa tare.
Me yasa "MIM Powder Metallurgy Factory" Sau da yawa Sharuɗɗan Nema Mai Ruɗi ne
Yawancin masu siye suna buga "masana'anta na mim powdery metallurgy factory" a cikin Google suna tsammanin samarwa MIM key-kuma suna tafiya cikin rudani. Me yasa? Domin ingantacciyar MIM ta gaskiya tana buƙatar fiye da kayan abinci da tanderun wuta. Yana buƙatar ƙayyadaddun bayanan sinteta na musamman na gami, sarrafawar rarrabuwar kawuna don hadaddun geometries, da diyya mai girma bayan-sinter wanda aka inganta a cikin ɗaruruwan kuri'a. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., mun ga abokan ciniki suna jigilar zane-zane na MIM-kawai don nemo bututun ƙarfe na AMS 5387 cobalt alloy bututun ƙarfe ya murƙushe 0.08 mm a makogwaro bayan sun yi tagumi. Gyaran bai yi saurin zagayowar ba. Ya kasance yana sake daidaita gradients mai yawa na kore da kuma daidaita farashin tanderu da 1.2°C/min. Wannan matakin sarrafawa baya rayuwa a cikin ƙasida. Yana rayuwa a cikin rubuce-rubucen tarihin zafi, gano matakin matakin, da injiniyoyi waɗanda suka gudanar da hawan keke 17,000+ akan kayan abinci na T800.
Inda MIM Yayi Daidai - Kuma Inda Bai Yi ba - a cikin Sassan Masana'antu Masu Mahimmanci
MIM na haskakawa lokacin da rikitarwar lissafi ta hadu da tsananin aiki. Yi la'akari da gidaje na silinda famfo piston tare da tashoshi masu gudana na ciki, jikin bawul ɗin matsa lamba tare da hadedde saman wurin zama, ko winch center shaft rollers da ke buƙatar duka taurin saman> 62 HRC da tauri mai mahimmanci> 120 J. Waɗannan ba kayan ado ba ne ko sassan kayan lantarki na mabukaci. Abubuwan da ke da mahimmancin manufa ne inda karkacewar 0.05 mm ke haifar da gazawar filin. Amma MIM ba koyaushe shine amsar ba. Muna ba da shawara akai-akai akan sa don sassan da ke buƙatar taurin kai sama da sassan giciye na mm 40-ko waɗanda ke buƙatar ƙarfin tensile na isotropic sama da 1,450 MPa ba tare da dannawar isostatic mai zafi na biyu ba. A waɗannan lokuta, tsarin haɗin gwiwarmu yana ba da mafi kyawun ROI: saka hannun jari preforms + madaidaicin CNC kammalawa. Wannan haɗin kai ne a tsaye-ba harshen talla ba. Yana nufin muna sarrafa kwararar hatsi yayin simintin gyare-gyare, sannan mu kulle ma'auni na ƙarshe tare da mashin ɗin axis biyar ta amfani da saitin kayan aikin Renishaw da tabbatarwar CMM a cikin sake zagayowar.
Ba a Tattaunawa Hudu don Amintattun MIM Sourcing (Bayanin Samar da Gaskiya na Tallafawa)
- Tabbataccen Ciyarwa + Takamaiman Bayanan Bayanan Sinter: Muna samo foda na MIM kawai daga masu ba da takaddun shaida na ISO 9001 tare da cikakkun rahotannin PMI. Kowane kuri'a yana samun nasa lanƙwan sinta- an inganta shi tare da diatometry kuma an tabbatar da shi ta hanyar taswirar microhardness a cikin yankuna 12 na mashaya gwaji.
- Girman Ƙofofin Cikin-Tsaro: Babu "dubawar ƙarshe kawai." Muna auna sassan kore a matakai 3 masu mahimmanci: bayan gyare-gyare, bayan ƙaddamarwa, da bayan-sinter kafin maganin zafi. Bambance-bambancen>0.03 mm yana haifar da bitar tushen tushen nan take-ba sake yin aiki ba.
- GD&T-Bita Injiniya ta Farko: Ƙungiyarmu tana ba da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun da ke kama tarko, ko bangon bakin ciki (<1.2 mm) mai saurin kamuwa da yaƙe-yaƙe a cikin alluran cobalt. Muna dawo da zane-zanen da aka bayyana tare da madadin, ba kawai "ba mai yiwuwa ba."
- Cikakkun Binciken Har zuwa Lamba mai zafi: Kowane sashi yana jigilar kaya tare da takardar shedar jera lambar zafi mai ɗanɗano, ID na tanderun wuta, canjin mai aiki, da ID na rahoton CMM. Babu keɓance-har da samfuri.
Abin da Yake Bayan Kasidar Farko—Kuma Me Yasa Yafi Muhimmanci
Masana'antu da yawa sun ƙusa labarin farko. Kadan ne ke riƙe shi a cikin raka'a 500. A wurin aikinmu na Qingdao, kwanciyar hankali yana farawa da kayan aiki. Muna haɓaka ƙayyadaddun kayan abinci tare da masu ba da kaya-musamman ga gami da tushen T800-tabbatar da abun cikin oxygen ya tsaya ƙasa da 180 ppm kuma rarraba girman barbashi (D50) yana riƙe da ± 0.3 μm lot-to-lot. Daga nan sai horon tsari ya zo: kowane zagayowar zagayowar yana yin rajistar raɓar yanayi, ƙimar raɓa, da lokacin zama a mafi girman zafin jiki. Idan ma'auni guda ɗaya ya ƙetare a waje da iyakokin SOP, gabaɗayan kuri'a ana yin gwajin 100% ultrasonic-ba samfuri ba. Shi ya sa odar mu ta maimaitawa PPM tana zaune a 147, ba 1,200 ba. Shi ya sa Turai na'ura mai aiki da karfin ruwa OEMs ƙayyadaddun mu don famfo tushe majalisai bukatar ≤0.02 mm flatness a kan 320 mm — ba tare da nika.
Neman gaba, buƙatun ba shine "ƙarin MIM ba." Domin mafi wayo hybrid masana'antu: MIM cores tare da injinan rufe saman, sinteed cobalt abun da aka saka brazed cikin bakin gidaje, ko kusa-net sassa MIM gama da electrochemical polishing ga matsananci-low Ra a ruwa hanyoyin. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina waɗannan damar yanzu-ba azaman ayyukan R&D ba, amma azaman ayyukan shirye-shiryen samarwa. Idan babban madaidaicin ƙarfe na gaba na gaba yana buƙatar tabbatattun ƙima, ba kawai aiwatar da saba ba, fara da takaddun bayanan kayan aiki, ba ƙasidu ba. Sa'an nan kuma ka tambayi: Shin za su iya tabbatar da shi - kuri'a da kuri'a, sashi da sashi?
