Ụkpụrụ mmepụta nke akụrụngwa na-akpụzi oghere oghere na usoro ịkpụzi ya Ihe a na-akpọ igwe na-akpụ akpụ a na-akpọkwa igwe na-akpụzi oghere.A na-agbaze plastik ahụ na quantitatively extruded na ịghasa extruder, wee guzobe site na ihe nkiri ọnụ, wee mee ka ọ dị mma site na mgbanaka ikuku, wee fesaa ya na ebu.Usoro nhazi plastik na-eto ngwa ngwa.The tubular plastic parison nwetara site extrusion ma ọ bụ injection ịkpụzi nke thermoplastic resin na-etinye n'ime kewara ebu mgbe ọ na-ekpo ọkụ (ma ọ bụ kpụ ọkụ n'ọnụ na a nro ala), na abịakọrọ ikuku na-ewebata n'ime parison ozugbo emechiri ebu ka ịfụ plastic parison. .Ọ na-agbasawanye ma na-arapara n'ahụ mgbidi dị n'ime nke ebu, na mgbe ọ dị jụụ na ịkwatu, a na-enweta ngwaahịa dị iche iche oghere.
A malitere iji igwe na-akpụzi ihe / usoro a na-emepụta obere njupụta polyethylene n'oge Agha Ụwa nke Abụọ.N'ọgwụgwụ 1950s, na ọmụmụ nke polyethylene dị elu na mmepe nke igwe na-akpụ akpụ, a na-eji nkà na ụzụ nke igwe na-akpụ akpụ.Olu arịa ndị nwere oghere nwere ike iru puku kwuru puku lita, kọmputa ejiriwokwa na-achịkwa mmepụta ụfọdụ.Plastics kwesịrị ekwesị maka ịkpụzi ihe gụnyere polyethylene, polyvinyl chloride, polypropylene, polyester, wdg, na ihe ndị nwere oghere enwetara bụ nke a na-ejikarị dị ka ihe nkwakọ ngwaahịa mmepụta ihe.
Okwu mmalite nke usoro ịkpụzi nke oghere igbu ịkpụzi:
N'ihi ọdịiche dị na akụrụngwa akụrụngwa, ihe nhazi chọrọ, mmepụta na ọnụ ahịa, ụzọ ịkpụzi ihe dị iche iche nwere uru dị iche iche na nhazi ngwaahịa dị iche iche.
Mkpụzi nke ngwaahịa oghere gụnyere ụzọ atọ bụ isi:
1. Extrusion igbu ịkpụzi: tumadi eji maka akwadoghị parison nhazi;
2. Injection igbu ịkpụzi: tumadi eji maka parison nhazi nke metal isi na-akwado;
3. Mgbatị igbu ịkpụzi: gụnyere extrusion-gbatịa-ịfụ ịkpụzi, ịgbatị-gbatịa-ịfụ ịkpụzi ụzọ abụọ, nwere ike hazie biaxial gbakwasara ngwaahịa, ukwuu ibelata mmepụta ego na melite ngwaahịa arụmọrụ.
Ke adianade do, e nwere multi-layer igbu ịkpụzi, mkpakọ igbu ịkpụzi, itinye mkpuchi ịfụ ịkpụzi, ụfụfụ ịfụ ịkpụzi, atọ akụkụ igbu ịkpụzi, wdg Ma 75% nke igbu ịkpụzi ngwaahịa bụ extrusion igbu ịkpụzi, 24% bụ injection ịfụ ịkpụzi. , na 1% bụ ihe ndị ọzọ na-akpụ akpụ;N'ime ngwaahịa na-akpụzi ihe niile, 75% bụ nke ngwaahịa gbadoro ụkwụ n'ụdị biaxial.The uru nke extrusion igbu ịkpụzi bụ elu mmepụta arụmọrụ, ala ngwá ọrụ na-eri, dịgasị iche iche nhọrọ nke ebu na ígwè, na mwepu bụ elu scrap ọnụego, ogbenye recycling na ojiji nke scrap, ngwaahịa ọkpụrụkpụ akara, na ihe dispersibility.Mgbe nke ahụ gasịrị, ọ dị mkpa iji rụọ ọrụ trimming.Uru nke ịkpụzi ịgbanye injection bụ na ọ dịghị ihe mkpofu na nhazi nhazi, na mgbidi mgbidi nke ngwaahịa na mgbasa nke ihe nwere ike ịchịkwa nke ọma.Ihe ọghọm bụ na akụrụngwa ịkpụzi dị oke ọnụ na ruo n'ókè ụfọdụ dabara naanị maka obere ihe na-akpụ akpụ.
Ọnọdụ usoro nke ịkpụzi igbu oghere chọrọ ka ikuku abịakọrọ na-ebufe parison na ebu ahụ ga-adị ọcha.Nrụgide ikuku maka ịkpụzi ịgba ọgwụ mgbochi bụ 0.55 ruo 1 MPa;nrụgide maka ịkpụzi ịfụ extrusion bụ 0.2l ruo 0.62 MPa, na nrụgide maka ịkpụzi ịgbatị ihe na-achọkarị ka ọ dị elu dị ka 4 MPa.N'ihe siri ike nke plastik, nrụgide dị ala na-eme ka nrụgide dị n'ime nke ngwaahịa ahụ dị ala, mgbasawanye nke nrụgide na-eme ka ọ dịkwuo mma, na nrụgide dị ala nwere ike imeziwanye nkwụsị, mmetụta, na-ehulata na ihe ndị ọzọ nke ngwaahịa ahụ.
Oge nzipu: Nov-21-2023