Ụkpụrụ nke ịkpụzi ịkpụzi nke carbide cemented e nwere oghere nri na ebu, nke ejikọtara na oghere injection mechiri emechi site na sistemụ gating na-akpụ akpụ. Mgbe ị na-arụ ọrụ, ịkwesịrị ibu ụzọ tinye ihe na-akpụzi siri ike n'ime oghere nri ma kpoo ya ka ọ gbanwee ya ka ọ bụrụ ọnọdụ viscous. Mgbe ahụ, jiri plunger pụrụ iche iji mee ka plastik gbazee na oghere nri na pịa, nke mere na agbaze na-agafe na ebu. Sistemụ wụsa na-abanye n'oghere ebu mechiri emechi ma na-eme ndochi eruba. Mgbe agbaze ahụ na-ejupụta oghere ọkpụkpụ, na mgbe nrụgide kwesịrị ekwesị na-ejide ya na ịkwado ya, enwere ike imeghe ihe ọkpụkpụ iji wepụ ngwaahịa ahụ. Ka ọ dị ugbu a, a na-ejikarị ịkpụzi injection eme ihe maka ngwaahịa plastik thermoset.
N'iji ya tụnyere mkpakọ ịkpụzi, cemented carbide ebu injection ịkpụzi nwere plasticized plastic tupu abanye n'ime oghere, ya mere okirikiri ịkpụzi dị mkpụmkpụ, mmepụta arụmọrụ dị elu, plastic akụkụ nwere nnukwu akụkụ ziri ezi, mma elu mma, na-enweghị flash. Dị gịrịgịrị; nwere ike ịkpụ akụkụ plastik na obere ntinye, oghere akụkụ miri emi na akụkụ plastik ndị ọzọ dị mgbagwoju anya; na-eri ihe ndị ọzọ; ọnụ ọgụgụ nke ntanye nke ịkpụzi injection dị ukwuu karịa ọnụ ọgụgụ nkwụsị nke mkpakọ ịkpụzi, nke ga-emetụta izi ezi nke akụkụ plastik, ma maka ntụ ntụ Plastic akụkụ jupụtara n'ụdị ihe na-emepụta ihe na-enwe mmetụta dị nta; ihe owuwu nke cemented carbide injection mold dị mgbagwoju anya karịa ihe mgbagwoju anya, nrụgide ịkpụzi dị elu, ọrụ ịkpụzi na-esikwa ike karị. A na-eji ịkpụzi injection naanị mgbe ịkpụzi mkpakọ enweghị ike iru ihe achọrọ. Ịkpụzi injection dị mma maka ịkpụzi akụkụ plastik thermosetting nwere ụdị mgbagwoju anya na ọtụtụ ntinye.
The isi usoro parameters nke cemented carbide ebu injection ịkpụzi gụnyere ịkpụzi nrụgide, ịkpụzi okpomọkụ na ịkpụzi okirikiri, wdg Ha niile metụtara ihe ndị dị ka plastic ụdị, ebu Ọdịdị, na ngwaahịa ọnọdụ.
(1) Nrụgide ịkpụzi na-ezo aka na nrụgide nke ndị nta akụkọ na-eme na agbaze na ụlọ nri site na kọlụm nrụgide ma ọ bụ plunger. Ebe ọ bụ na enwere mbelata nrụgide mgbe agbaze na-agafe na sistemu gating, nrụgide ịkpụzi n'oge injection nrụgide na-abụkarị ugboro 2 ruo 3 nke n'oge ịkpụzi mkpakọ. The ịkpụzi nrụgide nke phenolic plastic ntụ ntụ na amino plastic ntụ ntụ na-emekarị 50 ~ 80MPa, na elu nsogbu nwere ike iru 100 ~ 200MPa; plastik ndị nwere eriri eriri bụ 80 ~ 160MPa; Plastics nkwakọ ngwaahịa dị ala dị ka resin epoxy na silicone bụ 2 ~ 10MPa.
(2) Igwe ọkụ na-emepụta nke carbide cemented na-agụnye okpomọkụ nke ihe dị na ụlọ nri na okpomọkụ nke ebu n'onwe ya. Iji jide n'aka na ihe ahụ nwere mmiri mmiri dị mma, ihe ọkụkụ ahụ kwesịrị ịdị ala nke ọma karịa ikpo ọkụ na-ejikọta ya na 10 ~ 20 ° C. Ebe ọ bụ na plastik nwere ike ịnweta akụkụ nke okpomọkụ esemokwu mgbe ọ na-agafe na usoro ịwụsa, okpomọkụ nke ụlọ nri na ebu nwere ike ịdị ala. The ebu okpomọkụ nke injection ịkpụzi na-abụkarị 15 ~ 30 ℃ ala karịa nke mkpakọ ịkpụzi, n'ozuzu 130 ~ 190 ℃.
(3) Usoro ịkpụzi ịgba ọgwụ mgbochi nke cemented carbide ebu na-agụnye oge nri, oge ndochi ebu, njikọta na oge ọgwụgwọ, oge iwepụta oge iji wepụta akụkụ plastik, na oge mkpochapụ ebu. Oge ndochi nke ịkpụzi injection na-abụkarị 5 ruo 50 sekọnd, ebe oge ọgwụgwọ na-adabere n'ụdị rọba, nha, ọdịdị, ọkpụrụkpụ mgbidi, ọnọdụ ikpo ọkụ na nhazi nke akụkụ plastik, ọ na-abụkarị 30 ruo 180 sekọnd. Ịkpụzi injection na-achọ ka plastik nwee mmetụta dị ukwuu tupu ya eruo okpomọkụ na-esi ike, na mgbe ọ ga-erute okpomọkụ na-esi ike, ọ ga-abụrịrị na ọ na-agba ọsọ ọsọ. Ihe ndị a na-ejikarị eme ihe maka ịkpụzi injection gụnyere: plastik phenolic, melamine, epoxy resin na plastik ndị ọzọ.
Oge nzipu: Sep-18-2024
