Flushing thiab txij nkawm ntawm kev tiv thaiv zaj duab xis txheej tshuab

Kev piav qhia ntawm Txoj Kev nrawm rau kev ntxuav thiab kho cov tshuaj tiv thaiv zaj duab xis txheej tshuab? Kev nrawm nrawm thiab tu txoj kev rau kev tiv thaiv zaj duab xis txheej tshuab; Thaum tshav kub kub yaj nplaum tshuab rau kev khiav hauj lwm kub thiab ntws cov qub nplaum; So cov phab ntsa ntawm cov nplaum kub yaj tuaj yeem nrog daim ntaub lossis daim ntawv tsis muaj plua plav. Nkag mus rau cov kua nplaum tshiab rau 1/3 tag nrho thiab ua kom sov rau qhov ua haujlwm kub ntawm cov kua nplaum tshiab.
Tom qab melting, tshem lub nozzle thiab ntxuav tawm cov residual nplaum los ntawm caj pas. Nws yog qhov ua tau kom yaug lub taub hau nozzle rau lub sijhawm no. Tom qab cov nplaum nplaum tawm ntawm lub caj pas, txuas lub taub hau rab phom mus rau PE tiv thaiv zaj duab xis txheej tshuab, tom qab ntawd nkag mus rau cov nplaum tshiab rau 1/3 tag nrho, PE tiv thaiv zaj duab xis txheej tshuab, thiab rov ua kom sov rau qhov ua haujlwm kub. tshiab nplaum. Tom qab melting, cov residual nplaum yog ntxuav tawm los ntawm rab phom taub hau.
Tom qab tshem tawm cov ntxaij lim dej, tshem tawm cov ntxaij lim dej thiab cov lim dej ntawm cov khoom siv roj hmab, rov nruab lossis hloov kho lub vijtsam lim. Kev tiv thaiv zaj duab xis txheej tshuab muab kev sib txuas zoo dua ntawm kev tiv thaiv zaj duab xis thiab cov khoom siv profile, nrog cov yam ntxwv xws li tsis tshua muaj kev sib tw, kev yooj yim tev, thiab kub tsis kam. Cov txheej txheem kev npaj yog yooj yim thiab yooj yim rau kev khiav lag luam.
Lamination: Extrusion lamination yog cov txheej txheem zoo sib xws, nrog rau qhov sib txawv yog tias cov extruded kub yaj resin ua haujlwm nruab nrab ntawm kev sib txuas rau cov khoom siv raw khoom thib ob.
Co extrusion: Co extrusion yog cov txheej txheem zoo sib xws, tab sis ob lossis ntau dua extruders txuas nrog ib qho tuag, qhov uas nws tus kheej extruded yaj muab tso ua ke thiab thaum kawg extruded rau hauv ntau txheej zaj duab xis.