Tupu usoro extrusion bụ isi, a na-agwakọta nri polymeric echekwara na ihe mgbakwunye dị iche iche dị ka stabilizers (maka okpomọkụ, nkwụsi ike oxidative, nkwụsi ike UV, wdg), agba agba, ọkụ retardants, fillers, lubricants, reinforcements, wdg. ngwaahịa àgwà na processability. Ịgwakọta polymer na ihe mgbakwunye na-enyekwa aka nweta nkọwapụta profaịlụ akụrụngwa ezubere iche.
Maka ụfọdụ sistemu resin, usoro ihicha ọzọ iji gbochie mmebi nke polymer n'ihi mmiri na-ejikarị arụ ọrụ. N'aka nke ọzọ, maka ndị na-adịghị achọ ihicha tupu ejiri ya, ọ nwere ike ka na-ehicha ya karịsịa mgbe a na-echekwa ihe ndị a n'ime ụlọ oyi ma tinye ya na mberede na ebe dị ọkụ si otú ahụ na-ebute mmiri mmiri n'elu ihe ahụ.
Mgbe a gwakọtara polymer na ihe mgbakwunye na nke a mịrị amị, ngwakọta bụ ike ndọda na-enye nri n'ime hopper nri na site na akpịrị extruder.
Otu nsogbu a na-ahụkarị mgbe ị na-eji ihe siri ike dị ka polymer ntụ ntụ bụ ịgba ọsọ ya. Maka oge ụfọdụ, ijikọ ihe n'ime hopper nwere ike ime. Ya mere, enwere ike iji usoro pụrụ iche dị ka ịgbanye nitrogen na-adịghị akwụsị akwụsị ma ọ bụ gas ọ bụla na-adịghị agwụ agwụ iji kpasasịa polymer ọ bụla na-ewuli elu n'elu ebe a na-eri nri, si otú ahụ na-ahụ na ihe ahụ na-aga nke ọma.
Ihe na-agbada n'ime oghere anular n'etiti ịghasa na gbọmgbọm ahụ. A na-ejikwa ọwa skru mechie ihe ahụ. Ka ịghasa na-agbagharị, a na-ebufe polymer n'ihu, ndị agha esemokwu na-arụkwa ọrụ na ya.
A na-ekpo ọkụ ọkụ ndị ahụ na-eji nwayọọ nwayọọ na-abawanye okpomọkụ. Ka ngwakọta polymer na-esi na mpaghara nri na-aga ruo mpaghara metering, ike esemokwu na ikpo ọkụ gbọmgbọm na-eme ka ihe ahụ dị plastik, gwakọta ọnụ, na ikpokọta ọnụ.
N'ikpeazụ, ka agbaze na-eru nso na njedebe nke extruder, ọ na-ebu ụzọ na-agafe na mkpọ ihuenyo. A na-eji mkpọ ihuenyo enyocha ihe ọ bụla si mba ọzọ na agbaze thermoplastic. Ọ na-echebekwa oghere efere anwụ anwụ ka ọ ghara imechi ya. A na-amanye mgbaze ahụ site na anwụ anwụ iji nweta ọdịdị anwụ. A na-eme ka ọ dị jụụ ozugbo wee wepụ ya na extruder na ọsọ ọsọ mgbe niile.
Enwere ike ịme usoro ndị ọzọ dị ka ọgwụgwọ ọkụ, ibipụta, ịcha, ịchafụ, deodorization, wdg mgbe ọ dị jụụ. Extrudate ga-enyocha ya wee gaa n'ihu na nkwakọ ngwaahịa na mbupu ma ọ bụrụ na ezutere nkọwa ngwaahịa niile.
Oge nzipu: Dec-08-2022
