MIM (metal injection molding) usoro, nke bụ ụdị ọhụrụ nke metal akụkụ akpụ usoro ijikọta oge a plastic injection ịkpụzi usoro napowdered metal usoro. Usoro ọhụrụ a pụtara na ngwụcha 1970s ma bụrụkwa nke a na-ejikarị emepụta akụkụ ngwa ọgụ ọkụ. Oge a ka m ga-ewebata ọtụtụMIM metal injection ịkpụzi akụkụmaka ngwa agha.
JIEHUANG CHIYANG ụlọ ọrụ na-akpụzi igwe ntụtụ:
Akụkụ MIM mbụ: Nkwakọ ngwaahịa eletrọnịkị akụkụ MIM. Nke a akụkụ kpụrụ siteTeknụzụ MIM (Metal Injection Molding).ma mebere ya site na akụkụ ọkwa F15 (Ni-Co-Fe); nnabata nke oghere gbakwunyere ma ọ bụ mwepu 0.2mm. A na-eji ngwaahịa na-akpụzi injection ígwè a maka nkwakọ ngwaahịa Opto-electronic. Otu n'ime ihe ndị a chọrọ bụ na mgbatị mgbasawanye nke ihe ahụ ga-adị ka nke iko mechiri emechi.
Ihe onye ahịa na-elekwasị anya bụ ịnwale arụmọrụ akara nke MIM eletrọnịkị ogige mgbe akụkụ ndị ahụ na-adaba na ujo ọkụ. Akụkụ a na-anọchi anya ngwaahịa ndị a na-eme site na ịkpụ na brazing. Akụkụ MIM nwere ike belata ọnụ ahịa mmepụta karịa akụkụ arụpụtara site na ịkpụ.
Akụkụ nke abụọ MIM: Nkwenye akụkụ nke igwe na-akpụzi injection igwe anaghị agba nchara nke ngwa n'azụ abalị bụ 0.5%. Ihe ntụtụ a na-eji bụ ihe nkedo thermoplastic na ígwè-7% nickel alloy. Njupụta nke sintered ahụ ruru 7.82 kwa centimita square. The n'ibu Njirimara kpọmkwem na teknuzu ọnọdụ bụ: tensile ike 430MPa, mkpụrụ ike 295MPa, hardness 55HRC (mgbe carburizing na quenching), na modulus nke elasticity 203GPa.
Nke a akụkụ arụpụtara site mim metal injection ịkpụzi usoroe mepụtara mbụ site na ịkpụ. N'ihi ọdịdị mgbagwoju anya nke akụkụ ahụ na oghere ndị dị n'akụkụ dị iche iche, ịkpụ dị oke ọnụ. A na-eji ngwaọrụ ọhụụ abalị eme ihe maka egbe M-6. N'ihi iji usoro MIM, ọnụahịa nke akụkụ ahụ nwere ike belata site na 60%. Ewezuga carburizing na quenching, ọ dịghị ọgwụgwọ elu chọrọ.
Akụkụ ngwa ọgụ nke MIM mepụtara akụkụ 2
Oge nzipu: Dec-24-2021