Metal Powder Injection Molding Technology (MIM) wani sabon foda karfen karfe ne kusa da fasahar gyare-gyaren nau'i-nau'i da aka kafa ta hanyar gabatar da fasahar yin gyare-gyaren filastik na zamani a cikin filin ƙarfe na foda.
Gabatarwar fasaha
Ƙarfe foda fasahar gyare-gyaren gyare-gyaren fasaha ya haɗu da fasahohin ladabtarwa da yawa kamar fasahar gyare-gyaren filastik, kimiyyar sinadarai na polymer, fasahar ƙarfe na foda, da kimiyyar kayan ƙarfe. Yana amfani da gyare-gyare don yin allura da ƙura da sauri kuma yana ƙera ƙira mai girma, madaidaici, hadaddun sifofi masu girma uku ta hanyar sintiri. sassa na tsari. Na farko, da m foda da Organic daure suna uniformly kneaded, da kuma bayan granulation, an allura a cikin mold rami tare da allura gyare-gyaren inji a cikin wani zafi da kuma plasticized jihar (~ 150 ° C) domin solidification, sa'an nan da parison kafa ta sinadaran ko thermal bazuwar. An cire abin ɗaure a cikin samfurin, kuma a ƙarshe ana samun samfurin ƙarshe ta hanyar sintiri da ƙima.
Wannan tsari fasahar ba kawai yana da abũbuwan amfãni daga na al'ada foda metallurgy tafiyar matakai kamar m matakai, babu ko žasa yankan, da kuma high tattalin arziki amfanin, amma kuma shawo kan shortcomings na gargajiya foda karafa kayayyakin kamar m kayan, low inji Properties, da wahala a forming bakin ciki ganuwar da hadaddun Tsarin. Ya dace musamman don samar da taro na ƙananan, hadaddun da sassa na ƙarfe na musamman da ake buƙata. Yana da halaye na babban madaidaici, tsari na daidaituwa, kyakkyawan aiki da ƙananan farashin samarwa.
Tsari kwarara
Tsarin tsari: daure → hadawa → gyare-gyaren allura → ragewa → sintering → bayan-aiki.
Ma'adinai foda
The barbashi size of karfe foda amfani a cikin MIM tsari ne kullum 0.5 ~ 20μm; bisa ka'ida, mafi kyawun barbashi, mafi girman yanki na musamman, yana sa ya fi sauƙi don siffa da sintiri. A gargajiya foda metallurgy tsari yana amfani da coarser powders girma fiye da 40μm.
Organic m
Aikin mannen kwayoyin halitta shi ne hada guraben foda na karfe ta yadda cakudawar ta kasance tana da rheology da lubricity idan an dumama ganga na injin allura, wato mai daukar hodar ta rika zuba. Saboda haka, an zaɓi mai ɗaure don zama mai ɗaukar foda gabaɗaya. Don haka, zaɓin ja mai ɗaci shine maɓalli ga duka allurar foda.
Abubuwan buƙatun don adhesives na halitta:
1.A amfani da ƙananan m zai iya samar da mafi kyawun rheology na cakuda;
2.No dauki, babu sinadaran dauki tare da karfe foda a lokacin m cire tsari;
3.Easy don cirewa, babu carbon da ya rage a cikin samfurin.
Hadawa
Ana hada foda na ƙarfe da kuma ɗaure mai ɗaure wuri ɗaya tare don yin albarkatun ƙasa daban-daban su zama cakuda don gyare-gyaren allura. Daidaitawar cakuduwar kai tsaye yana rinjayar yawan ruwa, don haka yana shafar sigogin tsarin gyare-gyaren allura, da yawa da sauran kaddarorin kayan ƙarshe. Wannan mataki na aikin gyaran allura ya yi daidai da ka'ida tare da tsarin yin gyare-gyaren filastik, kuma yanayin kayan aikin sa ma iri ɗaya ne. A lokacin aikin gyaran allura, kayan da aka gauraya suna mai zafi a cikin ganga na injin allura a cikin wani abu na filastik tare da kayan aikin rheological, kuma ana allurar a cikin injin a ƙarƙashin matsin allurar da ya dace don samar da sarari. Ya kamata allurar da aka ƙera ta zama ta zama rigar siffa ta microscopically ta yadda samfurin ya yi raguwa daidai lokacin da ake aiwatar da sintiri.
Hakowa
Dole ne a cire abin ɗauren kwayoyin halitta da ke ƙunshe a cikin ƙorafin da aka ƙera kafin a ɓata. Ana kiran wannan tsari hakar. Dole ne tsarin cirewa ya tabbatar da cewa an cire manne a hankali daga sassa daban-daban na blank tare da ƙananan tashoshi tsakanin sassan ba tare da rage ƙarfin blank ba. Adadin cire dauri gabaɗaya yana bin lissafin rarrabawa. Sintering na iya ƙunshewa da ƙunsar ɓangarorin da aka lalatar da su cikin samfuran tare da takamaiman tsari da kaddarorin. Kodayake aikin samfuran yana da alaƙa da abubuwan sarrafawa da yawa kafin haɓakawa, a yawancin lokuta, tsarin sintirin yana da babban tasiri ko ma yanke hukunci akan tsarin ƙarfe da kaddarorin samfurin ƙarshe.
Bayan aiwatarwa
Don ɓangarorin da ke da ƙarin madaidaicin buƙatun girman, ana buƙatar aiwatar da mahimmanci. Wannan tsari daidai yake da tsarin maganin zafi na samfuran ƙarfe na al'ada.
Fa'idodin tsari
MIM yana amfani da halayen fasahar ƙarfe na foda don haɓaka sassa na inji tare da babban yawa, kyawawan kaddarorin inji da ingancin saman; a lokaci guda, yana amfani da sifofin gyare-gyaren allura na filastik don samar da sassa tare da sifofi masu rikitarwa a cikin adadi mai yawa da inganci.
1.Structural sassa da sosai hadaddun Tsarin za a iya kafa.
Sarrafa ƙarfe na gargajiya gabaɗaya ya ƙunshi sarrafa faranti na ƙarfe zuwa samfura ta hanyar juyawa, niƙa, tsarawa, niƙa, hakowa, gundura, da sauransu. Saboda tsadar fasaha da batutuwan tsadar lokaci, yana da wahala irin waɗannan samfuran su sami sarƙaƙƙiya. MIM tana amfani da injin allura don allurar babu komai don tabbatar da cewa kayan sun cika kogon gyaggyarawa, don haka tabbatar da fahimtar tsarin ɓangaren ɓangaren.
2.The samfurin yana uniform microstructure, high yawa da kuma mai kyau yi.
A karkashin yanayi na al'ada, yawan samfuran da aka danna kawai zai iya kaiwa matsakaicin 85% na ƙima; Yawan samfuran da aka samu ta hanyar fasahar MIM na iya kaiwa fiye da 96%.
3.High inganci, mai sauƙi don cimma taro da kuma samar da manyan sikelin.
Ƙarfe da aka yi amfani da shi a fasahar MIM yana da tsawon rayuwa daidai da na injiniyoyin gyare-gyaren alluran filastik. Saboda amfani da gyare-gyaren ƙarfe, MIM ya dace da yawan samar da sassa.
4.Wide na kayan aiki masu dacewa da filayen aikace-aikace masu fadi.
MIM na iya amfani da kusan yawancin kayan ƙarfe, kuma idan aka yi la'akari da tattalin arziki, manyan kayan aikin sun haɗa da tushen ƙarfe, tushen nickel, ƙarancin gami, tushen jan ƙarfe, ƙarfe mai sauri, bakin karfe, gram valve gami, siminti carbide, da ƙarfe na tushen titanium.
5.Mahimmanci ajiye albarkatun kasa
Gabaɗaya, yawan amfani da ƙarfe wajen sarrafa ƙarfe da ƙirƙirar ya yi ƙasa da ƙasa. MIM na iya haɓaka ƙimar amfani da albarkatun ƙasa sosai, wanda shine a zahiri 100% amfani.
6.The MIM tsari yana amfani da micron-level lafiya foda.
Yana iya ba kawai hanzarta sintering shrinkage, taimaka inganta inji Properties na kayan, mika gajiya rayuwa na kayan, amma kuma inganta jure danniya lalata da Magnetic Properties.
Yankunan aikace-aikace
Ana amfani da samfuransa sosai a fannonin masana'antu kamar injiniyan bayanan lantarki, kayan aikin likitanci, kayan ofis, motoci, injina, kayan masarufi, kayan wasanni, masana'antar agogo, makamai da sararin samaniya.
1. Kwamfutoci da kayan aikin su: kamar ɓangarorin firinta, maɗaukakiyar maganadisu, fitilun bugun gaba, da sassan tuƙi;
2.Kayan aiki: irin su ƙwanƙwasa, ƙwanƙwasa, nozzles, ƙwanƙolin bindiga, masu yankan niƙa, naushi, kwasfa, ƙwanƙwasa, kayan aikin lantarki, kayan aikin hannu, da sauransu;
3. Kayan aikin gida: kamar agogon agogo, sarƙoƙin agogo, buroshin hakori na lantarki, almakashi, magoya baya, kawunan golf, haɗin kayan ado, maƙallan ƙwallon ƙwallon ƙafa, yankan kawunan kayan aiki da sauran sassa;
4.Parts don injiniyoyin likita: irin su firam ɗin orthodontic, almakashi, da tweezers;
5. Bankunan soja: wutsiyar makami mai linzami, sassan bindiga, guraben yaƙi, murfin foda, da sassan fuze;
6.Lantarki: marufi na lantarki, ƙananan motoci, sassan lantarki, na'urorin firikwensin;
7.Mechanical sassa: kamar injunan kwance auduga, injunan yadi, injinan murdawa, injinan ofis, da sauransu;
8.Automobile da na ruwa: kamar kama zobe na ciki, cokali mai yatsa, hannun mai rarrabawa, jagorar bawul, cibiyar aiki tare, sassan jakar iska, da sauransu.
