Cov txheej txheem molding ntawm PVC yas kav pib nrog raw cov ntaub ntawv ntawm PVC yas granules. Cov ntaub ntawv raw ntawm PVC yas granules tau muab faib ua mos PVC thiab nruj PVC raws li tus nqi ntxiv ntawm stabilizers, plasticizers, lubricants, thiab lwm yam.
Raws li kev tsim cov PVC mos los yog tawv PVC ua raw cov ntaub ntawv, PVC yas kav yog muab faib ua ob hom: mos thiab tawv kav: nruj PVC yas kav yog PVC resin tov nrog stabilizers, lubricants, plasticizers thiab lwm yam additives. Nws yog tsim los ntawm extrusion molding tom qab granulation; PVC yas yeeb nkab yog tsim los ntawm kev ntxiv ntau yam additives xws li plasticizers nrog ntau dua Cheebtsam rau PVC resin, thiab ces extruding thiab molding tom qab granulation. Qhov sib txawv loj tshaj plaws ntawm ob lub kav dej yog qhov nruj PVC yas yeeb nkab muaj cov tshuaj tiv thaiv zoo dua, corrosion kuj thiab rwb thaiv tsev; cov mos PVC yas yeeb nkab muaj tshuaj lom neeg ruaj khov, hluav taws xob rwb thaiv tsev thiab zoo softness.
Hauv qab no yog cov txheej txheem molding ntawm PVC yas yeeb nkab:
Cov txheej txheem tsim khoom raw khoom ntxiv rau kev npaj → sib tov → conveying thiab pub mis → yuam kev pub mis → conical twin-screw extruder → extrusion tuag → sizing lub tes tsho → txau lub tshuab nqus tsev → immersion txias dej tank → number case printing tshuab → crawler traction tshuab → nqa riam txiav tshuab → yeeb nkab stacking khib → tiav cov khoom kuaj thiab ntim.
