Cia peb kawm txog cov laj thawj thiab kev daws teeb meem ntawm cov kev ua txhaum no hauv cov yas zaj duab xis tshuab tshuab tshuab tshuab.
1. Cov yeeb yaj kiab yog nplaum heev thiab qhov qhib tsis zoo
Kev ua txhaum cai: ① Hom resin raw khoom tsis yog lawm, nws tsis yog zaj duab xis-kawg qib qis-density polyethylene resin particle, tsis muaj qhov kawg-capping tus neeg saib xyuas lossis muaj cov ntsiab lus qis kawg-capping tus neeg saib xyuas; ② Qhov kub ntawm cov molten resin yog siab dhau thiab fluidity loj heev; ③ Tus nqi nce nqi ntawm cov yas zaj duab xis tshuab tshuab yog loj heev, uas yuav ua rau qhov qhib ntawm zaj duab xis tsis zoo; ④ Cov cua txias qeeb qeeb heev, cov yeeb yaj kiab tsis txias txaus, thiab kev sib nrig sib koom ua ke tshwm sim nyob rau hauv lub siab ntawm rub cov menyuam; ⑤ Lub traction ceev ceev heev.
Yas zaj duab xis tshuab tshuab
Cov kev daws teeb meem: ① Hloov cov khoom siv raw, los yog ntxiv ib qho nyiaj ntawm tus neeg sawv cev loosening hauv lub thoob; ② Tsim nyog txo qhov extrusion kub thiab resin kub ntawm cov yas zaj duab xis tshuab tshuab; ③ Tsim nyog txo tus nqi nce nqi; ④ Ua kom cov huab cua ntim, txhim kho cov nyhuv txias, thiab ua kom cov yeeb yaj kiab txias ceev; ⑤ Tsim nyog txo qhov nrawm ntawm cov yas zaj duab xis tshuab tshuab.
2. Tsis pom zoo ntawm zaj duab xis
Ua rau tsis ua hauj lwm: ① Extrusion kub tsawg dhau, cov resin tsis zoo plasticized, ua rau tsis zoo pob tshab tom qab zaj duab xis tshuab; ② Tus nqi nce nqi tsawg dhau; ③ Cov nyhuv txias tsis zoo, cuam tshuam rau qhov pom ntawm zaj duab xis; ④ Cov dej noo hauv cov khoom siv raw yog siab dhau; ⑤ Lub traction ceev ntawm cov yas zaj duab xis tshuab tshuab yog ceev heev, thiab cov yeeb yaj kiab tsis txias tag.
Kev daws: ① Tsim nyog nce qhov kub ntawm extrusion kom cov resin plasticized tusyees; ② Tsim nyog nce tus nqi nce nqi; ③ Cov yas zaj duab xis tshuab tshuab ua kom cov cua ntim kom zoo dua qub; qhuav cov ntaub ntawv raw; ⑤ Tsim nyog txo qhov traction ceev.
3. Zaj duab xis wrinkling
Ua rau tsis ua hauj lwm: ① Tsis sib xws zaj duab xis thickness; ② Cov nyhuv txias tsis txaus; ③ Tus nqi nce nyiaj ntau dhau, ua rau cov npuas zaj duab xis tsis ruaj khov, viav vias rov qab, thiab yooj yim rau wrinkle; ④ Lub kaum sab xis ntawm cov yas zaj duab xis tshuab tshuab yog loj heev, zaj duab xis yog flattened nyob rau hauv qhov kev ncua deb, thiab cov zaj duab xis yog yooj yim rau wrinkle.
Kev daws: ① Kho cov yeeb yaj kiab tuab kom ntseeg tau tias cov tuab tuab; ② Txhim kho qhov ua kom txias kom txaus kom txias ntawm zaj duab xis; ③ Tsim nyog txo tus nqi nce nqi; ④ Tsim nyog txo lub kaum sab xis ntawm cov yas zaj duab xis tshuab tshuab kom paub meej tias zaj duab xis sib npaug.
