Inqubo yokubumba umjovo ifanele ukukhiqizwa ngobuningi bekhwalithi ephezulu kanye nezingxenye zomkhiqizo eziyinkimbinkimbi. Inqubo yokubumba umjovo incike kakhulu ekwakhiweni nasezintweni ezisetshenziswa ekukhiqizeni. Ngakho-ke, abakhiqizi abafuna izinqubo zamathuluzi ezilula zokukhiqiza imikhiqizo engcono ngezindleko eziphansi baphendukela ekubunjweni komjovo we-aluminium.
Yendabukoimikhiqizo ye-aluminium die-castingingabuye ikhiqizwe. Kodwa-ke, basenamaphutha amaningi, ukubekezelelana komkhiqizo kukhulu kakhulu, kanti okunye kudinga ukucutshungulwa kwesibili kanye nemfundo ephakeme. Ngoba kunzima kubo ukuqinisekisa ukukhiqizwa okusheshayo. Sizoxoxa ngobuhle, ububi, kanye nezici zokubumba umjovo we-aluminium.
Yini umjovoisikhunta aluminium ingemuva?
Ngokuqhubeka okuqhubekayo kwesayensi yezenhlalo nobuchwepheshe kanye nokuthuthukiswa okunamandla kwezimboni zomhlaba wonke, iimboni ye-powder metallurgyithuthuka ngokushesha ngenxa yezinzuzo zayo eziningi, futhi ubuchwepheshe bayo buye basetshenziswa kakhulu kwezempi, ezokuthutha, emishinini, e-electronics, emkhathini, ezondiza, nakweminye imikhakha.
I-MIM (ukubumba umjovo wensimbi)ukondla kuwumgogodla wenqubo yokulungiselela umkhiqizo wokubumba umjovo wensimbi, okuyimpushana yensimbi kanye ne-ejenti yokubumba ngokwengxenye ethile ekushiseni okuthile, emshinini wokuhlanganisa isikhathi esithile sokuxuba izinga lokushisa. Bese nge-screw extrusion cutting granulation, ibe yisiphakeli sokubumba umjovo.
Nakuba impahla ye-aluminium inokuminyana okuphansi, amandla omkhiqizo wayo aphakeme kakhulu, aseduze noma adlule awensimbi yekhwalithi ephezulu. Ine-plasticity eqinile, i-thermal conductivity enhle, ukumelana nokugqwala, kanye ne-thermal conductivity. Amanye ama-alloys e-aluminium angathola izakhiwo ezinhle zomshini kanye nezakhiwo zomzimba ngokwelashwa kokushisa, futhi angathola ukumelana nokugqwala okungcono nge-anodizing.
Ngenxa yendlela yokukhiqiza izingxenye ze-aluminium yendabuko, ukusebenza kahle kokukhiqiza okuphansi, izindleko ezinzima zokucubungula, kanye nesakhiwo esiyinkimbinkimbi sokucubungula umkhiqizo asikwazi ukuphuma, asikwazanga ngokuphelele ukuhlangabezana nezidingo zokuthuthukiswa okusheshayo kwemboni yesimanje yokukhiqiza umphakathi.
Ngakho-ke, kuyadingeka ukuhlinzeka ngokuphakelayo kokubumba umjovo wensimbi we-aluminium mim ofanelekileinqubo yokubumba umjovo wensimbi.
Yiziphi izinto zokusebenzisa ubuchwepheshe be-Metal injection molding aluminium?
Ngokusekelwe kulokhu, kuyadingeka ukuhlinzeka ngokuphakelayo kokubumba umjovo we-aluminium, izingxenye zokubumba umjovo we-aluminium, kanye nendlela yokulungiselela, okuhlanganisa okuphakelayo kokubunjwa komjovo we-aluminium ingxubevange, indlela yokulungiselela umjovo wokubumba umjovo we-aluminium, izingxenye zokubumba umjovo we-aluminium alloy, kanye nendlela yokulungiselela izingxenye zomjovo we-aluminium. Kungaphinde kubizwe ngokuthi yi-aluminiyamu yokubumba umjovo wokuphakelayo kanye nendlela yayo yokulungiselela kanye nezingxenye zokubumba umjovo we-aluminium kanye nendlela yayo yokulungiselela.
Isiphakeli sokubumba umjovo we-aluminium sihlanganisa impushana ye-aluminium kanye ne-ejenti yokubumba ngephesenti lesisindo esilandelayo:
I-aluminium alloy powder 85% ~ 88%;
I-ejenti yokubumba 12% -15%;
Lapho, i-ejenti yokubumba iqukethe izingxenye ezinkulu ezilandelayo:
Ngomfanekiso owodwa, i-aluminium alloy powder ingu-2024 aluminium alloy powder.
Ngomfanekiso owodwa, i-aluminium alloy 2024 aluminium powder iqukethe izingxenye ezilandelayo ngamaphesenti amakhulu:
Ngakolunye uhlangothi, upharafini okukhulunywa ngawo upharafini onguNo.58.
Ngomfanekiso owodwa, isisindo samangqamuzana e-ethylene-vinyl acetate copolymer sisuka ku-1900 kuya ku-2000.
Kokunye kwe-embodiments, i-polyformaldehyde iyi-co-polyformaldehyde.
Kokunye, i-polyethylene glycol iyi-polyethylene glycol 2000 kuya ku-6000.
Ithini indlela yokulungisa umjovo we-Metal umjovo we-aluminium, okuhlanganisa nezinyathelo ezilandelayo
- Shisisa kuqala i-aluminium alloy powder ukuze ufunze umjovo wokubumba kwanoma yikuphi kokungenhla kuya ku-170℃ kuya ku-190℃;
- Engeza i-ejenti yokubumba yanoma isiphi isitokwe sokubumba esingenhla se-aluminium ingxubevange ehlanganisiwe kumpushana we-aluminium alloy esishisiwe, qhubeka ufudumeza, futhi ugcine izinga lokushisa liku-175℃ kuya ku-185℃ ukuze uncibilikise i-ejenti yokubumba futhi uxube ne-aluminium ingxubevange powder;
- Gcina izinga lokushisa ku-175 ℃ kuya ku-185 ℃ imizuzu engu-20 ukuya kwangu-30;
- Yehlisa umoya;
- Khipha;
- Sika okuphakelayo kwe-granulation.
Indlela yokulungisa umjovo we-aluminium moldkuhlanganisa lezi zinyathelo ezilandelayo: okuhlanganisa indlela yokulungiselela isifunzo sokubumba umjovo sengxubevange ye-aluminium njengoba kuchazwe ngenhla futhi, ngemva kokusika nokupelitha okuphakelayo, izinyathelo: ukwakha, ukwehlisa, nokucwilisa.
Okusunguliwe kuhlobene nengxenye yokubumba yomjovo we-aluminium elungiselelwe indlela yokulungisa noma yiziphi izingxenye zokubumba umjovo we-aluminium ingxubevange okukhulunywe ngenhla.
I-feedstock eshiwo ngenhla yomjovo we-aluminium, izingxenye zokubumba umjovo we-aluminium ingxubevange, nezindlela zokulungiselela zingasetshenziswa ekukhiqizeni imikhiqizo engenzeka ye-aluminium alloy enezakhiwo eziyinkimbinkimbi, eshintsha ukushiyeka kobunzima bendabuko be-aluminium alloy processing, umjikelezo omude wokucubungula kanye nezindleko eziphezulu zokucubungula, kunciphisa kakhulu ukukhiqizwa nokucubungula izindleko ze-aluminium eyinkimbinkimbi yokukhiqiza izingxenye ze-aluminium alloy yonke imboni ye-aluminium alloy alloy. Ikhuphule izinga lokusungula izinto ezintsha kanye nokukhiqizwa embonini yokukhiqiza yasekhaya. Ngaphezu kwalokho, ngenqubo entsha, indlela entsha yokulungiselela kanye nokucubungula, ikhwalithi yezingxenye zokubumba umjovo we-aluminium ingxubevange etholwe yinhle kakhulu, ifaneleka ngokukhethekile ukukhiqizwa ngezinga elikhulu, ukunciphisa izindleko nokuthuthukisa ukusebenza kahle kokukhiqizwa kwezingxenye zokubumba ze-aluminium.
Yiziphi izinzuzo zokubumba umjovo wensimbi we-aluminium?
· Izindleko
Uma kuziwa ekwenzeni isikhunta sokujova, isikhunta somjovo we-aluminium ishibhile kunesikhunta somjovo wensimbi. Uma sicabanga ukuthi zonke ezinye izimo ziyalingana, isikhunta esenziwe nge-aluminium singabuyisa izindleko zokutshala imali ngokuqhathaniswa ngokushesha.
· Isikhathi sokukhiqiza
Isikhunta se-aluminium siqinisekisa inqubo yokukhiqiza umkhiqizo ngokushesha. Ukusuka ekwakhiweni kwesikhunta kuya ekukhiqizweni komkhiqizo ophelile, ukubumba komjovo wensimbi kungase kuthathe izinyanga ezingu-1-2. Kodwa-ke, ngesikhunta somjovo we-aluminium, ukwakhiwa kwesikhunta, ama-prototypes nemikhiqizo eqediwe kuthatha izinsuku ezingu-7-14 kuphela.
·Isebenza ngamanani aphansi
Isikhunta se-aluminium umjovo wepulasitiki sibiza kakhulu ekwenzeni izingxenye ngamaqoqo amancane. Lokhu kungenxa yezindleko zokuqala akwazi ukuzinciphisa, kuyilapho enza izinkulungwane zezingxenye ezinokwethenjelwa kuphela.
·Isikhathi sokugaya
Izibunjwa zensimbi azikuqedi ukushisa ngokushesha njengesikhunta se-aluminium prototype. Ngenxa yalokho, bangakwazi ukushisa futhi baphole ngokushesha okukhulu. Enqubweni yokubumba umjovo, isikhathi sokupholisa silandisa umjikelezo wayo yonke inqubo yokubumba. Ngakho-ke, ukukhetha indlela yokwenza i-aluminium kunganciphisa isikhathi somjikelezo futhi ngaleyo ndlela kusheshise ukukhiqizwa kwengxenye.
·Isitolo
Ukushisisa nokupholisa okungalingani kungenye yezimbangela ezihamba phambili zokulimala kwengxenye njengama-sink marks, ama-voids kanye nezibazi zokusha. Ukushisa okuphezulu kokushisa kwesikhunta se-aluminium kuvumela isikhunta ukuthi sishise futhi sipholile ngokushesha futhi ngokulinganayo, ukunciphisa inani lezingxenye ezinesici kanye ne-scrap.
·Ukulungisa Okulula kanye Nezinzuzo Kabusha
Ukuqina kwensimbi kuphezulu kakhulu, ngakho-ke isikhathi sokulungisa isikhunta sensimbi esonakele noma esonakele side futhi izindleko zokulungisa ziphezulu, okubuye kuthinte isikhathi sokulethwa kwemikhiqizo. Kodwa-ke, isikhunta se-aluminium yomjovo wepulasitiki senziwe ngezinto ezithambile, futhi lesi sici senza ukulungisa nokushintshwa kube lula uma kunenkinga ngesikhunta somjovo we-aluminium.
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