Koj puas tuaj yeem piav qhia txog cov txheej txheem tsim khoom ntawm PVC dawb npuas board thiab cov ntaub ntawv siv hauv nws cov khoom?

PVC dawb npuas boards yog tsim los siv cov txheej txheem uas muaj kev sib xyaw ua ke ntawm cov ntaub ntawv, suav nrog PVC thiab ntau yam khoom ntxiv. Kev tsim cov txheej txheem ntawm PVC dawb npuas boards feem ntau muaj cov kauj ruam hauv qab no:
1. Kev npaj khoom siv:

1.PVC Resin: Cov khoom siv tseem ceeb rau PVC dawb ua npuas ncauj yog polyvinyl chloride (PVC) resin. Cov resin no feem ntau nyob rau hauv daim ntawv ntawm cov hmoov zoo los yog granules.
2.Additives: Ntau yam additives yog siv los hloov cov khoom ntawm lub rooj tsavxwm. Cov additives no tuaj yeem suav nrog plasticizers los tswj kev yoog raws, stabilizers los tiv thaiv kev degradation, pigments rau xim, thiab foaming agents los tsim cov tub ntxhais ua npuas ncauj. Cov additives tshwj xeeb thiab lawv cov proportions sib txawv nyob ntawm seb cov yam ntxwv xav tau ntawm lub rooj tsavxwm ua npuas ncauj.

2. Kev sib xyaw:

3.Cov PVC resin thiab cov khoom siv ntxiv yog sib xyaw ua ke hauv cov khoom siv siab ceev lossis cov khoom sib xyaw. Cov txheej txheem sib tov yog qhov tseem ceeb heev kom ntseeg tau tias homogeneous sib xyaw ntawm cov khoom.

3. Extrusion:

4.Qhov sib xyaw PVC compound yog ces muab tso rau hauv ib qho extruder, uas yog lub tshuab uas melts thiab homogenizes sib tov. Lub extruder kuj suav nrog cov neeg ua haujlwm tshuab, uas tsim cov pa npuas hauv cov khoom los tsim cov tub ntxhais ua npuas ncauj.
5.Lub molten PVC sib tov yog yuam los ntawm ib tug tuag, uas imparts yam xav tau thiab thickness rau lub rooj tsavxwm.

4. Cua txias thiab qhov loj me:

6.Tom qab extrusion, cov khoom siv tau txias sai heev uas siv lub tshuab ua kom txias, xws li cov dej da dej lossis cua txias, kom ruaj khov rau cov duab thiab tswj cov qauv ntawm tes ntawm cov tub ntxhais ua npuas ncauj.
7.Lub rooj tsavxwm raug txiav rau qhov xav tau loj thiab tuab thaum lub sijhawm no.

5. Kev kho deg:

8.Qhov saum npoo ntawm PVC dawb npuas board tuaj yeem raug kho cov txheej txheem ntxiv, xws li calendering lossis embossing, kom ua tiav qhov xav tau kev ntxhib los mos lossis tiav. Qhov no yog qhov tseem ceeb yog tias lub rooj tsavxwm yog npaj rau kev luam ntawv lossis daim ntawv thov duab.

6. Kev Tswj Xyuas Zoo:

9.Qhov kev tswj xyuas zoo yog coj los xyuas kom meej tias cov khoom tiav PVC dawb ua npuas ncauj ua tau raws li qhov xav tau tshwj xeeb ntawm cov thickness, ntom, nto tiav, thiab lwm yam khoom.

Cov txheej txheem tsim khoom tseeb yuav txawv ntawm ib tus neeg tsim khoom mus rau lwm tus, thiab nws tuaj yeem hloov kho kom ua tiav cov yam ntxwv tshwj xeeb hauv cov khoom kawg. Qee cov PVC dawb ua npuas ncauj yog co-extruded, txhais tau hais tias lawv muaj cov tawv PVC tawv ntawm ib los yog ob sab ntawm cov tub ntxhais ua npuas ncauj los txhim kho qhov zoo, durability, thiab luam ntawv muaj peev xwm.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias kev xaiv cov khoom siv ntxiv thiab kev ua haujlwm tuaj yeem cuam tshuam rau cov khoom ntawm PVC dawb ua npuas ncauj pawg thawj coj saib, xws li rigidity, cuam tshuam tsis kam, thiab ya raws. Yog li ntawd, cov txheej txheem tsim thiab cov txheej txheem tsim khoom tau ua tib zoo tswj kom ua tau raws li qhov xav tau kev ua tau zoo rau cov ntawv thov.