Metal Powder Injection Molding Technology (MIM) bụ ọhụrụ ntụ ntụ metallurgy nso-ụdị net-ụdị nkà na ụzụ ịkpụzi technology nke e hiwere site na iwebata oge a plastic injection ịkpụzi teknụzụ n'ime ubi nke ntụ ntụ metallurgy.
Nkà okwu mmeghe
Teknụzụ ịkpụzi ntụ ntụ ọla na-ejikọta teknụzụ ọzụzụ dị iche iche dị ka teknụzụ ịkpụzi plastik, kemịkalụ polymer, teknụzụ metallurgy ntụ ntụ, na sayensị ihe igwe. Ọ na-eji akpụ akpụ ịgbanye oghere oghere ma na-arụpụta ngwa ngwa njupụta dị elu, nkenke dị elu, ụdị mgbagwoju anya akụkụ atọ site na ịgbanye. Akụkụ ihe owuwu. Nke mbụ, a na-agwakọta ntụ ntụ siri ike na ihe nkedo organic n'otu n'otu, na mgbe granulation, a na-agbanye ha n'ime oghere nke na-eji igwe na-akpụ akpụ akpụ na steeti kpụ ọkụ n'ọnụ na plasticized (~ 150 ° C) maka ịkwado, mgbe ahụ, a na-emepụta parison site na chemical ma ọ bụ thermal decomposition. A na-ewepụ ihe nkedo dị na ngwaahịa ahụ, n'ikpeazụkwa, a na-enweta ngwaahịa ikpeazụ site na sintering na densification.
Nke a na nkà na ụzụ usoro bụghị nanị nwere uru nke ot powder metallurgy Filiks dị ka ole na ole nzọụkwụ, ọ dịghị ma ọ bụ na-erughị ọnwụ, na elu aku na uba uru, ma na-emeri adịghị ike nke omenala ntụ ntụ metallurgy ngwaahịa ndị dị otú ahụ na-erughị eru ihe, ala n'ibu Njirimara, na ike na-akpụ mkpa mgbidi na mgbagwoju owuwu. Ọ na-adabara karịsịa maka mmepụta uka nke obere akụkụ ígwè dị mgbagwoju anya na nke pụrụ iche achọrọ. Ọ nwere njirimara nke nhazi dị elu, nhazi otu, arụmọrụ magburu onwe ya na ọnụ ahịa mmepụta dị ala.
Usoro eruba
Usoro eruba: ihe nkedo → ịgwakọta → ịkpụzi injection → iwetulata → sintering → nhazi nhazi.
Mineral ntụ ntụ
The urughuru size nke metal ntụ ntụ eji na MIM usoro bụ n'ozuzu 0.5 ~ 20μm; N'usoro iwu, nke kacha mma na irighiri ihe, ibu ahụ kpọmkwem n'elu ebe, na-eme ka ọ dịkwuo mfe ịkpụzi na sinter. Usoro metallurgy ntụ ntụ omenala na-eji ntụ ntụ dị oke karịa 40μm.
Organic nrapado
Ọrụ nke organic nrapado bụ ijikọ metal powder particles nke mere na ngwakọta nwere rheology na mmanu mgbe ekpo ọkụ na gbọmgbọm nke injection igwe, ya bụ, ọ bụ onye na-ebu na-ebu na-eme ka ntụ ntụ na-asọpụta. Ya mere, a na-ahọrọ ihe nkedo ka ọ bụrụ onye na-ebu maka ntụ ntụ dum. Ya mere, nhọrọ nke nnyapade ịdọrọ bụ isi ihe na dum ntụ ntụ ịkpụzi.
Ihe achọrọ maka nrapado organic:
1.The ojiji nke obere nrapado nwere ike ime ka mma rheology nke ngwakọta;
2.No mmeghachi omume, ọ dịghị mmeghachi omume kemịkalụ na metal ntụ ntụ n'oge adhesive mwepụ usoro;
3.Easy iwepu, ọ dịghị carbon na-anọgide na ngwaahịa.
Ngwakọta
A na-agwakọta ntụ ntụ na organic ihe nkedo n'otu n'otu iji mee akụrụngwa dị iche iche ka ọ bụrụ ngwakọta maka ịkpụzi injection. Ịdị n'otu nke ngwakọta ahụ na-emetụta mmiri mmiri ya ozugbo, si otú a na-emetụta usoro nhazi nke injection, yana njupụta na ihe ndị ọzọ nke ihe ikpeazụ. Nke a nzọụkwụ nke injection ịkpụzi usoro bụ kwekọrọ na ụkpụrụ na plastic injection ịkpụzi usoro, na akụrụngwa ọnọdụ bụkwa isi otu. N'oge usoro ịkpụzi injection, a na-ekpocha ihe ndị a gwakọtara na gbọmgbọm nke igwe injection n'ime ihe plastik nwere ihe ndị na-emepụta ihe, ma na-agbanye ya n'ime ihe n'okpuru nrụgide injection kwesịrị ekwesị ka ọ bụrụ oghere. Oghere ntụtụ a kpụrụ akpụ kwesịrị ịdị n'otu n'otu n'otu n'otu n'otu ka ngwaahịa ahụ wee daa n'otu n'otu n'oge a na-eme mkpọtụ.
Mwepụta
A ga-ewepụrịrị ihe nkedo organic dị n'ime oghere a kpụrụ akpụ tupu agbanye ya. A na-akpọ usoro a mmịpụta. Usoro mmịpụta ahụ aghaghị ijide n'aka na ejiri nwayọọ nwayọọ wepụ ihe nrapado ahụ site n'akụkụ dị iche iche nke oghere ahụ n'akụkụ obere ọwa dị n'etiti ihe ndị ahụ na-enweghị ibelata ike nke oghere ahụ. Ọnụego mwepụ nke ihe nkedo n'ozuzu na-esochi nhata mgbasa. Sintering nwere ike ibelata ma mebie oghere ahụ mebiri emebi n'ime ngwaahịa nwere usoro na akụrụngwa ụfọdụ. Ọ bụ ezie na arụmọrụ nke ngwaahịa na-ejikọta ya na ọtụtụ usoro usoro tupu ịmegharị ya, n'ọtụtụ ọnọdụ, usoro ịmegharị ahụ nwere mmetụta dị ukwuu ma ọ bụ ọbụna na-emetụta ihe nhazi metallographic na ihe onwunwe nke ngwaahịa ikpeazụ.
Post-nhazi
Maka akụkụ ndị nwere oke nha chọrọ, a ga-achọ nhazi nhazi. Usoro a bụ otu ihe ahụ dị ka usoro ọgwụgwọ okpomọkụ nke ngwaahịa ọla.
Usoro uru
MIM na-eji njirimara nke teknụzụ metallurgy ntụ ntụ na-eme ka akụkụ ndị na-arụ ọrụ na-arụ ọrụ nke ọma na njupụta dị elu, ezigbo ihe eji arụ ọrụ na àgwà elu; n'otu oge ahụ, ọ na-eji njirimara nke ịkpụzi injection plastik na-emepụta akụkụ ndị nwere ọdịdị dị mgbagwoju anya n'ọtụtụ buru ibu na nke ọma.
1.Structural akụkụ nwere nnukwu mgbagwoju Ọdịdị nwere ike kpụrụ.
Omenala ígwè nhazi n'ozuzu na-agụnye nhazi metal efere n'ime ngwaahịa site mbịne, egwe ọka, planing, egweri, mkpọpu ala, na-agwụ ike, wdg N'ihi teknuzu na-eri na oge na-eri okwu, ọ na-esiri ndị dị otú ahụ ngwaahịa nwere mgbagwoju Ọdịdị. MIM na-eji igwe ịgba ọgwụ ịgbanye oghere ngwaahịa ahụ iji hụ na ihe ahụ mejupụtara oghere ebu, si otú a na-ahụta mmezu nke usoro dị mgbagwoju anya nke akụkụ ahụ.
2.The ngwaahịa nwere edo microstructure, elu njupụta na ezi arụmọrụ.
N'okpuru ọnọdụ nkịtị, njupụta nke ngwaahịa ndị a na-agbanye nwere ike iru naanị 85% nke njupụta usoro; Njupụta nke ngwaahịa nwetara site na teknụzụ MIM nwere ike iru karịa 96%.
3.High arụmọrụ, dị mfe iji nweta oke na nnukwu mmepụta ihe.
Igwe igwe eji eme ihe na teknụzụ MIM nwere ogologo ndụ ya na nke injinia na-akpụzi injection plastic. N'ihi iji ígwè na-emepụta ihe, MIM dị mma maka mmepụta nke akụkụ.
4.Wide nke ihe ndị dị na ya na mpaghara ngwa ngwa sara mbara.
MIM nwere ike iji ihe fọrọ nke nta ka ọ bụrụ ọtụtụ ihe igwe, na-atụle akụ na ụba, ihe ndị bụ isi ngwa gụnyere ígwè dabeere na ígwè, nickel, ala alloy, ọla kọpa, ígwè dị elu, igwe anaghị agba nchara, gram valve alloy, cemented carbide, na titanium dabeere metals.
5.Significantly zọpụta akụrụngwa
N'ozuzu, ọnụ ọgụgụ ojiji nke ígwè na nhazi na nhazi ígwè dị ntakịrị. MIM nwere ike imeziwanye ọnụego ojiji nke akụrụngwa, nke bụ usoro ojiji 100%.
6.The MIM usoro na-eji micron-larịị mma ntụ ntụ.
Ọ nwere ike ọ bụghị naanị mee ngwangwa sintering shrinkage, nyere aka melite n'ibu Njirimara nke ihe, ịgbatị ike ọgwụgwụ ndụ nke ihe, ma melite iguzogide nrụgide corrosion na magnetik Njirimara.
Mpaghara ngwa
A na-eji ngwaahịa ya eme ihe na mpaghara mmepụta ihe dị ka injinia ozi eletrọnịkị, akụrụngwa biomedical, akụrụngwa ụlọ ọrụ, ụgbọ ala, igwe, ngwaike, akụrụngwa egwuregwu, ụlọ ọrụ elekere, ngwa agha na ikuku.
1. Kọmputa na akụrụngwa inyeaka ha: dị ka akụkụ ngwa nbipute, cores magnetik, ntụtụ ọkpọ, na akụkụ ịkwọ ụgbọala;
2. Ngwa: dị ka olulu mmiri, ihe ndị na-egbutu ihe, ọnyà, ihe a na-eme egbe, ndị na-egbu ihe na-egweri gburugburu, ntụmadị, sọket, wrenches, ngwa eletriki, ngwa aka, wdg;
3. Ngwa ụlọ: dị ka ihe nlele, agbụ elekere, brọsh eze eletrik, mkpakọ, ndị fan, isi gọlfụ, njikọ ọla, mkpịsị mkpịsị bọọlụ, isi ihe eji egbutu na akụkụ ndị ọzọ;
4.Parts maka igwe ọgwụ: dị ka okpokolo agba orthodontic, mkpa na tweezers;
5. Akụkụ ndị agha: ọdụ agha, akụkụ egbe, isi agha, mkpuchi ntụ ntụ, na akụkụ fuze;
6.Electrical akụkụ: nkwakọ ngwaahịa eletrọnịkị, igwe micro, akụkụ eletrọnịkị, ngwaọrụ sensọ;
7.Mechanical akụkụ: dị ka igwe tọpụ owu, igwe textiles, igwe curling, igwe ụlọ ọrụ, wdg;
8. Ụgbọ ala na akụkụ mmiri: dị ka mgbanaka n'ime clutch, ndụdụ aka, aka nkesa, valvụ nduzi, oghere mmekọrịta, akụkụ airbag, wdg.
