Nkwụnye ihe mkpuchi plastik na ụdị nke usoro mkpochapụ

Ọkpụkpụ plastik bụ usoro nrụpụta dị elu nke na-agbaze rọba raw ma guzobe ka ọ bụrụ profaịlụ na-aga n'ihu.Extrusion na-emepụta ihe dị ka ọkpọkọ/tubing, ihu igwe, fencing, ụgbọ okporo ígwè, windo windo, ihe nkiri plastik na mpempe akwụkwọ, mkpuchi thermoplastic, na mkpuchi waya.

Nhazi screw:

Nhazi nke ịghasa dị mkpa maka nhazi plastik.O nwere isi ọrụ atọ dị iche iche: ya bụ, usoro nri;agbaze otu na ịgwakọta rọba na n'ikpeazụ ọ na-ebute nrụgide ịkwanye ihe a wụrụ awụ site na ịnwụ.A na-ezo aka ogologo ịghasa (L) na dayameta ya (D) dịka oke L/D.N'ozuzu, a na-eji nha L/D dị ka 24: 1, mana maka ịgwakọta na mmepụta ọzọ, ọ nwere ike ịbawanye ruo 32: 1.E nwere ụzọ atọ ga-ekwe omume na ịghasa ogologo ya bụ mpaghara nri, mpaghara agbaze, na mpaghara metering. Mpaghara agbaze: A na-agbaze ihe plastik na omimi ọwa na-eji nke nta nke nta.A na-akpọkwa ya mpaghara mgbanwe ma ọ bụ mkpakọ.Omimi ọwa na-adịgide adịgide na mpaghara a.

Ụdị Usoro Mpụpụ

A na-ekewa usoro extrusion n'ụzọ sara mbara n'ime ụdị asaa dị iche iche dabere na ngwa ndị akọwapụtara.(a)Mpempe akwụkwọ / ihe nkiriN'ime usoro extrusion a, ihe plastik a wụrụ awụ na-apụ apụ site na anwụ dị larịị.A na-eji mpịakọta jụrụ oyi iji chọpụta nha mpempe akwụkwọ / ihe nkiri na ọdịdị elu ya.Enwere ike nweta ọkpụrụkpụ nke mpempe akwụkwọ na oke nke 0.2 ruo 15 mm.Enwere ike ịme mpempe akwụkwọ dị larịị ma ọ bụ ihe nkiri nke ihe plastik.N'ozuzu, a na-eji plastik polystyrene eme ihe dị ka ihe eji eme ihe n'ime usoro extrusion mpempe akwụkwọ.(b)Mgbapụ ihe nkiri afụfụN'ime usoro ihe nkiri a na-efe efe, anwụ dị ka cylinder kwụ ọtọ nwere profaịlụ okirikiri.A na-eji otu ụzọ mkpọ nip na-adọkpụrụ rọba a wụrụ awụ elu site na anwụ anwụ.A na-eji ikuku abịakọrọ na-agbanye tube.N'akụkụ anwụ anwụ, a na-etinye mgbanaka ikuku.Ebumnuche nke mgbanaka ikuku bụ iji mee ka ihe nkiri ahụ dị jụụ ka ọ na-aga elu.N'etiti etiti nwụrụ anwụ, e nwere ikuku ikuku nke ikuku nwere ike ịmanye n'ime etiti profaịlụ okirikiri, na ịmepụta afụ.Enwere ike ịbawanye akụkụ obe okirikiri nke extruded ugboro 2-3 nke dayameta anwụ.A na-akụtu ụfụfụ ahụ site n'enyemaka nke efere na-ada ada.Ntụgharị nip ahụ na-eme ka afụ ahụ ghọọ okpukpu abụọ nke ihe nkiri a na-akpọ layflat.Enwere ike ịchịkwa mgbidi mgbidi nke ihe nkiri ahụ site n'ịgbanwe ọsọ nke rollers nip. Enwere ike ịkụnye layflat n'ụdị mpịakọta ma ọ bụ bee n'ime ụdị achọrọ.A na-emechi akụkụ ala nke layflat na ngwa ọkụ, ma bee n'ihu n'ihu iji mepụta oghere;ya mere enwere ike iji ya mee akpa rọba.Dayameta nke anwụ anwụ nwere ike ịdị iche site na 1 ruo 300 centimeters. N'ozuzu, a na-eji plastik polyurethane mee ihe na usoro a.

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(c)N'elu Mpụpụ Jaketị

Nke a na-akpọkwa usoro mkpuchi waya.N'ime usoro a, a na-adọta waya na-enweghị isi n'etiti etiti anwụ.E nwere ụdị abụọ dị iche iche nke extrusion tooling eji maka mkpuchi n'elu waya iepressure ma ọ bụ jaketing tooling.Ọ bụrụ na achọrọ kọntaktị ma ọ bụ adhesion n'etiti waya na mkpuchi, a na-eji ngwá ọrụ nrụgide.Ọ bụrụ na achọghị adhesion, a na-eji ngwá ọrụ jaket mee ihe.Maka ngwá ọrụ nrụgide, a na-emegharị waya n'ime anwụ, ebe ọ na-abịa na kọntaktị na plastik a wụrụ awụ na nrụgide dị elu.Maka ihe eji eji akwa jaket, waya ga-agbatị na plastik a wụrụ awụ ga-eme mkpuchi na waya mgbe ọ nwụsịrị.A na-enye waya na-adịghị ahụkebe nri site na anwụ anwụ, ọ naghị abanyekwa na rọba a wụrụ awụ ozugbo ruo mgbe ọ hapụrụ anwụ.Isi ihe dị iche n'etiti jaketị na ngwá ọrụ nrụgide bụ ọnọdụ nke waya n'ihe gbasara ịnwụ.

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(d)Ọpụpụ tubingN'ime usoro a, a na-ebupụ plastik a wụrụ awụ site na anwụ na-emepụta akụkụ obe ndị nwere oghere site n'itinye mandrel n'ime anwụ.Enwere ike ịme tube nke nwere ọtụtụ oghere maka ngwa ngwa, site n'itinye ọtụtụ mandrels n'etiti etiti anwụ.(e)NjikọtaCoextrusion bụ usoro extrusion nke ime ọtụtụ ihe n'ígwé n'otu oge.A na-eji ya na-etinye otu ma ọ bụ karịa n'ígwé n'elu isi ihe iji nweta kpọmkwem ihe ndị dị ka ultraviolet absorption, njide, matte elu, na ike echiche, mgbe isi ihe bụ ihe ndị ọzọ dabara adaba ngwa ndị ọzọ, eg mmetụta iguzogide na structural arụmọrụ.Enwere ike iji ya mee ihe na usoro ọ bụla dị ka ihe nkiri afụfụ, mkpuchi mkpuchi, tubing, mpempe akwụkwọ / ihe nkiri.N'ime usoro a, a na-eji extruders abụọ ma ọ bụ karịa na-ebuga ihe ndị a na-ejikọta n'ime otu anwụ anwụ na-eme ka ihe ndị ahụ dị n'ụdị a chọrọ.A na-achịkwa ọkpụrụkpụ oyi akwa site na ọsọ na nha nke ndị na-ebupụ ihe ndị ahụ.(f)Mkpuchi ExtrusionA na-eji mkpuchi nke extrusion mee akwa ọzọ n'elu akwụkwọ mpịakọta, foil ma ọ bụ ihe nkiri dị adị.Dịka ọmụmaatụ, iji melite mmiri na-eguzogide mmiri nke mkpuchi polyethylene akwụkwọ.Ngwa nke mkpuchi extrusion bụ nkwakọ mmiri mmiri, akwụkwọ foto, envelopu, mkpuchi akpa maka nkwakọ nri fatịlaịza na nkwakọ ọgwụ.N'ozuzu, a na-eji polyethylene na polypropylene mee ihe.