ngwa

Ọtụtụ thermoplastics nwere ike ịfụ mmepụta ihe nkiri site na ịkpụzi ihe, ịfụ na-akpụzi ihe nkiri rọba bụ ịbanye n'ime tube dị mkpa, wee jiri ikuku abịakọrọ fesa mpụta plastik, mgbe ọ dị jụụ iji mechaa imewe nke ngwaahịa akpụkpọ anụ tubular, ụdị ihe nkiri a dị n'etiti. gbakwasara film na gbatịa film: ike dị mma karịa gbatịa film, okpomọkụ akara njọ karịa gbatịa film.

Enwere ọtụtụ ụdị ihe nkiri a na-emepụta site na usoro ịkpụzi ihe, dị kaobere njupụta polyethylene (LDPE), linear polyethylene (LLDPE), polypropylene (PP), elu njupụta polyethylene (HDPE), naịlọn (PA), ethylene ethylene acetate copolymer (EVA), wdg N'ebe a, anyị nkenke ewebata igbu ịkpụzi mmepụta usoro nke ọtụtụ-eji LDPE na LLDPE fim. .

1. Ngwa akụrụngwa ahọpụtara kwesịrị ịfụ ihe nkiri ọkwa ọkwa polyethylene resin particles, nke nwere ezigbo ihe na-eme ka ọ dị nro, iji hụ na mmeghe nke ihe nkiri ahụ.

2 resin particle melting index (MI) enweghị ike ịdị oke ibu, ndenye agbaze (MI) buru ibu, viscosity nke resin gbazere dị obere, usoro nhazi dị warara, ọnọdụ nhazi siri ike ịchịkwa, ihe nkiri resin adịghị mma, adịghị mfe nhazi na fim;Tụkwasị na nke ahụ, nchịkọta agbaze (MI) dị oke ibu, nkesa ihe dị arọ nke ihe nkesa nke polymer dị oke warara, na ike nke ihe nkiri ahụ adịghị mma.Ya mere, kwesịrị ịhọrọ agbaze index (MI) bụ obere, na ikwu molekụla arọ nkesa obosara resin ngwaọrụ, ka izute arụmọrụ chọrọ nke film, kamakwa iji hụ na nhazi e ji mara resin.A na-ejikarị ihe nkiri polyethylene na-akpụzi ihe na-agbaze (MI) n'etiti 2 na 6g/10min polyethylene raw kayan.

Blow ịkpụzi film usoro bụ roughing dị ka ndị a:

Hopper na-ebu ihe plasticizing extrusion → ịfụ traction → ikuku mgbanaka jụrụ → herringlet splint → traction mpịakọta traction → corona ọgwụgwọ → ihe nkiri winding