Ịkpụzi rọba bụ teknụzụ injinịa nke gụnyere usoro dị iche iche maka ịgbanwe plastik ka ọ bụrụ ngwaahịa rọba. N'oge mgbanwe a, otu ma ọ bụ karịa n'ime ihe ndị a na-emekarị: mgbanwe na polymer rheology na anụ ahụ na kemịkal.
Mkpọkọ ịkpụzi
Isi akụrụngwa maka ịkpụzi mkpakọ bụ pịa na ebu. Mpempe akwụkwọ a na-ejikarị bụ igwe nrụnye hydraulic nwere onwe{{1}, sitere na tonnage site na iri iri ruo ọtụtụ narị tọn. Enwere igwe nrụgide ala{3} na nrụgide n'elu{4}}. Akpụkpọ a na-eji maka ịkpụzi mkpakọ bụ nke a na-akpọ mkpakọ mold, nke kewara ụzọ atọ: ebu nke na-ejubiga ókè, ọkara-ofefe ebu, na ihe ndị na-abụghị- na-asọfe. Uru ndị bụ isi nke ịkpụzi mkpakọ bụ na ọ nwere ike ịkpụzi ngwaahịa ndị nwere nnukwu elu dị larịị ma nwee ike imepụta n'ọtụtụ buru ibu. Ọdịmma ya bụ ogologo usoro mmepụta ihe na obere arụmọrụ.
Ịkpụzi injection
Ịkpụzi lamination na-ejikarị igwe pịa lamination. Ụdị ọpịpị a nwere ọtụtụ efere ọkụ ọkụ na-ese n'elu mmiri n'etiti efere nrụgide na-akpụ akpụ na nke guzoro ọtọ. Ihe agbam ume a na-ejikarị na ịkpụzi lamination gụnyere akwa owu, akwa iko, akwụkwọ na akwa asbestos. Resins gụnyere resin phenolic, resin epoxy, resin polyester na-enweghị saturated, na ụfọdụ resin thermoplastic. Ịkpụzi ịgba ọgwụ mgbochi ọrịa, ịkpụzi ịfụ extrusion, ịgbatị ịkpụ ịkpụzi, mkpuchi ihe nkiri, mkpuchi na-ekpo ọkụ na-agbaze, spraying bed spraying, ire ọkụ, spraying electrostatic, plasma spraying.
Ịkpụzi Extrusion
Ịkpụzi ihe na-apụ apụ, nke a makwaara dị ka extrusion ịkpụzi ma ọ bụ extrusion, bụ usoro nke na-akpụ ihe na-aga n'ihu site na ịnwụ na steeti na-asọ asọ site na kpo oku na ịpị ha na extruder. A na-ejikarị extrusion eme ihe maka ịkpụzi thermoplastics, mana enwere ike iji ya mee ihe maka ụfọdụ plastik na-ekpo ọkụ. Ngwaahịa a na-apụ apụ bụ profaịlụ na-aga n'ihu, dị ka ọkpọkọ, mkpanaka, filament, ihe nkiri, na waya na ịkwasa eriri USB. Tụkwasị na nke a, enwere ike iji ya mee ihe maka ngwakọta plastik, plasticizing granulation, agba, na ngwakọta. Igwe na-akpụ akpụ akpụ nwere akụrụngwa extrusion, usoro nnyefe, na usoro kpo oku na jụrụ oyi. Extruders na-abịa n'ụdị abụọ: screw ụdị (otu skru na multi-screw) na plunger ụdị. Nke mbụ bụ usoro extrusion na-aga n'ihu, ebe nke ikpeazụ na-adịte aka. Nhazi nke otu -screw extruder na-agụnyekarị ngwaọrụ nnyefe, ngwaọrụ nri, gbọmgbọm, screw, isi anwụ na anwụ. Ngwá ọrụ inyeaka maka ndị na-apụ apụ na-adaba n'ime ụzọ atọ: ngwá ọrụ pretreatment ihe (dị ka ihe na-ebufe ihe na ihicha), ngwá ọrụ nhazi extrudate (ịkpụzi, jụrụ oyi, traction, ịkpụ, ma ọ bụ mpịakọta), na mmepụta ihe njikwa ọnọdụ.
Ịkpụzi Pultrusion
Pultrusion bụ otu n'ime ụzọ ịkpụzi eriri ọkụ ọkụ{0}} rọba gbasiri ike. A na-eji ya wepụta profaịlụ nwere obe kwụ ọtọ{2}}ọdịdị ngalaba na ogologo na-akparaghị ókè. Usoro ịkpụzi ahụ na-agụnye ịbịaru eriri na-aga n'ihu nke etinyere na resin site na anwụ na-ekpo ọkụ, wee na-agwọta resin ahụ n'ime ụlọ ikpo ọkụ iji mepụta profaịlụ plastik na-enweghị isi na-akwadosi ike.
Resin ndị a na-ejikarị eme ihe maka ịkpụzi pultrusion gụnyere polyester na-enweghị saturated, epoxy, na silicone. Resin polyester na-enweghị saturated bụ nke a na-ejikarị eme ihe. Igwe na-akpụzi pultrusion na-enwekarị ngwaọrụ nhazi eriri, tank resin, ngwaọrụ preforming, ngwaọrụ anwụ na kpo oku, ngwaọrụ traction, na akụrụngwa ịkpụ.
