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Extruder - ihe ọ bụ? Description nke extruder. Olee otú ime ka gị onwe gị aka?

Extrusion bụ a usoro maka amị ọkara okokụre ngwaahịa ma ọ bụ isiokwu nke plastik na-akparaghị ókè ogologo. Usoro a na-eji na nri na oriri ụlọ ọrụ. Die polima gbazee extruded n'ime akpụ isi na kwesịrị ekwesị profaịlụ. Nke a mmepụta usoro, tinyere mgbatị nke plastik nrụgide na oge otu n'ime ndị kasị ewu ewu. Extrusion bụ isiokwu fọrọ nke nta niile isi ụdị nke Polymers: elastomers, thermoplastics, thermosets, na ndị ọzọ. Ya mere, usoro doro anya, otú ị ga-atụle extruder: ihe ọ bụ, otú ọ na-arụ ọrụ, nakwa dị ka akụkụ ndị ọzọ metụtara ya.

Ọrụ na usoro imewe ụkpụrụ

Extrusion technology ka e kee maka ihe karịrị iri isii afọ, na n'oge ahụ e nwere ọtụtụ ụgbọala owuwu maka ya, mmejuputa iwu. Ụkpụrụ nke ngwá kpebisiri ike site ọdịdị zuru oke nke usoro. N'ihi ya, ọ bụrụ na anyị na-atụle extruder, dị otú ahụ na ọ na-aghọ doro anya mgbe ịchọpụta na-arụsi ọrụ ike mgbagwoju physico-chemical usoro na-ewe ebe n'okpuru nduzi nke n'ibu agha na ọnọdụ nke elu okpomọkụ ikpughe na ọnụnọ nke mmiri. Ngwaahịa na-ewe iwe mgbe nhazi n'ihi na eziokwu na n'ibu ume ghọrọ ka okpomọkụ site na-agha megide esịtidem esemokwu na plastic deformation nke ngwaahịa ma obu site na mpụga kpo oku.

Na usoro nke extrusion nhazi nwere ọtụtụ replaceable kwa, ya bụ ndị mejupụtara nke akụrụngwa, ya mmiri ọdịnaya na ọdịdị. N'oge mmepụta okpomọkụ nwere ike ịdị iche, nrụgide na osisi ike na oge nke ikpughe na ndepụta.

ụzọ nke na-arụ ọrụ

Ịtụle extruder, ihe ọ bụ, anyị ga-ichoputa iji. E nwere atọ bụ isi ụzọ nke ọrụ: oyi ịkpụzi, na-ekpo ọkụ extrusion na-ekpo ọkụ ọgwụgwọ. The kasị nkịtị na-adịbeghị anya na-ekpo ọkụ na-akpụ usoro a rụrụ na elu nsogbu na-agba, mgbe e nwere ịrịba mgbanwe nke n'ibu ume okpomọkụ. Mejuputa usoro, ọ bụ ike iji a ịghasa extruder nke isi na-arụ ọrụ ahụ bụ a ịghasa nke pụrụ iche na-ewu, site n'usoro na gbọmgbọm. Akpụ matriks bụ mmepụta.

extruder atụmatụ putara na imewe nke ya na-arụ ọrụ akụkụ augers na igwefoto n'ịnyịnya n'ụzọ ziri ezi igosi aga-eme. E nwere a loading ulo, ebe akụrụngwa a rụrụ ọsọ ọsọ na-heterogeneous nwekwara emechi ulo nke e nwere oghere maka amata ọtụtụ nsogbu na okpomọkụ, dị ka nke ọma dị ka na-agbakwunye mmiri mmiri bekee na nlele. The kposara nwere ike ruo eruo na ndị ọzọ ọcha, adịru ije nke ngwaahịa rụrụ n'okpuru onye ọzọ na-eguzogide, na niile-agwakọta na usoro.

Extruder: ihe ọ bụ na otú ọ na-arụ ọrụ?

Arụ ọrụ nke usoro na nhazi nzọụkwụ nwere ike kere atọ zones: akpa, maka anata akụrụngwa; abụọ maka plasticization na mkpakọ; atọ - ịpị anya ngwaahịa ebe. The na-arụ ọrụ nke ịghasa extruder nwere ike otu n'ime ọtụtụ dị iche iche na aghụghọ:

- otu ịghasa: cylindrical, na mgbe nile ma ọ bụ agbanwe pitch, conical, gburugburu, conical na a pitch na mbelata n'ebe ụzọ ọpụpụ;

- ejima kposara: bugharia na otu ma ọ bụ dị iche iche ntụziaka;

- ejima ịghasa, ikere: n'usoro na one direction na onwe-ihicha, n'usoro na-abụghị ntụziaka na n'omume ọcha.

na ojiji nke

Extruder ọka na-agba ọsọ n'ihi na eziokwu na ọka ahụ na-gbara n'ime-ulo mgbe kpo oku n'akparamagwa nrụgide abawanye ruru ka evaporation nke mmiri. N'ihi na ozugbo depressurization ulo a gbasaa Alụlụụ ngwakọta, nke na-eduga onye na-abawanye na ọka ahụ.

Ndepụta ụlọ ọrụ na-akacha eji otu-ịghasa usoro na a mgbe nile na pitch na a cylindrical ịghasa. Production extruders dị imewe na-eji a set ịghasa, na n'etiti ha a na-kọwaa usoro bụ ọtụtụ retaining washers na kposara na washers on stud ekekọtara na a kpọchie na a conical isi. The casing na-onwem na a na-arụ ọrụ akụkụ n'ime a plurality nke longitudinal ọwa, nke hụ na ngwaahịa ga-gbagọrọ n'oge ije. Mgbe tinyekwa ụlọ nwere a n'ozuzu cone nut, nyere na a onu. Ịgbazi na ọdịiche dị n'etiti ndị cones nke bolt kpọgide kposara na nut enye ohere mezie mmepụta okpomọkụ nke ngwaahịa. Nke ahụ bụ ụzọ ndị extruder. Gịnị ka ọ bụ, ị na-ama na-aghọta, ugbu a ọ dị mkpa obibi akụkụ ndị ọzọ.

ígwè mmepụta

Dị iche iche ụdị ji dị iche iche extruders n'onwe ọcha gụnyere ke arụ ọrụ ibe, ọnụ ọgụgụ nke na-arụ ọrụ ime-ulo nile, ọnụnọ nke ọzọ usoro, site na nke ịgbatị nkà na ụzụ ike nke ngwá, karịsịa draịva, feeders na n'akụkụ ndị ọzọ. cylinder ụdị ghọtara dị ka ndị kasị technologically merela agadi na okwu nke n'ichepụta, nke na-eme ya nke kasị ala na-eri price.

technology taa

Ya mere, ị pụrụ ịhụ otú ndị extruder. Ihe ọ bụ, ọ na-e kwuru na mbụ, ma ugbu a bụ iji chọpụta ihe ụfọdụ dị mkpa. Modern aghụghọ mejuputa usoro akọrọ extrusion technology. Ọ bụ otú aha ya bụ n'ihi na nke eziokwu ahụ dum usoro a rụrụ iji okpomọkụ eme n'oge Itie nke ngwaahịa site na-arụ ọrụ nke usoro. Ọ bụ omume na-eji a ụzọ extrusion. N'ihi nke a na ngwaọrụ na-tupu-steaming na akụrụngwa ụlọ. The ojiji nke uzuoku nwere ike dịkwuo arụmọrụ ma belata wear bụ isi akụkụ na igwe mmiri.

akọrọ extrusion

The dum usoro na-ewe ihe na-erughị 30 sekọnd. Nke a na oge bụ ezuru egweri, okpomọkụ omume, akpịrị ịkpọ nkụ, agwakọta, disinfection, stabilization ma na-amụba na olu. I nwere ike ime ka onye na extruder ji aka ya, na-arụ a technology. Nke a ga-achọ zuo niile ọcha nke usoro maka ọdịnihu, nke ga-emecha ike jikọọ dị na ngwá circuitry. Ị ga mkpa a kwesịrị ekwesị ịghasa nhazi, na electric moto, nke ga-ndabere nke usoro, ahụ ga-eme n'ọdịnihu ngwá, ọkọnọ akpa na akpa tinyekwa, a n'ọnụ ụlọ nke a agụụ na-kere.

ọzọ ihe atụ

The extrusion usoro ike ga-eji ọ bụghị nanị na na mmepụta. E nwere ndị dị otú ahụ a na ngwaọrụ dị ka a ntuziaka ịgbado ọkụ extruder nke a na-zubere maka njikọ nke polymeric ihe, ya bụ na fim ọnụ site kpo oku ha n'ọnụ na n'otu oge docking. N'ọnọdụ ka ukwuu, ndị dị otú ahụ a na ngwaọrụ na-eji jikọọ na ihe nke thermoplastics. Ndị bekee na-hụrụ n'ebe nile ugbu a. Nke a coxae, sooks, bọket, orù, hatches, tankị, siwa lattice ọcha nke elu na n'ime ime mma. The ndepụta pụrụ kpụrụ ezuwo. Ndị dị otú ahụ n'ụba thermoplastics emewo ka eziokwu na ulo oru na-emepụta mepụtara a nnọọ kọmpat ngwaọrụ na-e-arụ ọrụ na ndị a ihe na ihe nke iji. Ọ bụ n'ihi na nke a ịgbado ọkụ extruder e mepụtara. Ya iji ukwu mfe ọrụ maka ịgbado ọkụ isiokwu mere nke sịntetik thermoplastics: polyvinyl chloride, polyethylene na polypropylene.

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