Hlau tsis yog tib yam khoom uas tuaj yeem cam khwb cia, yas kuj tuaj yeem cam khwb cia.Cov khoom ua kom zoo nkauj yog tsim los ntawm cov khoom siv yas ua kua rau hauv pwm, tso cai rau nws kho ntawm chav tsev lossis qhov kub thiab txias, thiab tom qab ntawd tshem tawm cov khoom tiav.Cov txheej txheem no feem ntau hu ua casting.Cov khoom siv feem ntau yog acrylic, phenolic, polyester thiab epoxy.Lawv feem ntau siv los ua cov khoom hollow, panels, thiab lwm yam, siv cov txheej txheem yas xws li dip molding, slurry molding, thiab rotational molding.
(1) Poob molding
Cov pwm kub kub yog tsau rau hauv cov kua yas molten, ces maj mam muab tawm, qhuav, thiab thaum kawg cov khoom tiav yog tev tawm ntawm pwm.Qhov ceev ntawm cov pwm tshem tawm ntawm cov yas yuav tsum tau tswj.Qhov qeeb qeeb, qhov tuab ntawm cov yas txheej.Cov txheej txheem no muaj cov nqi zoo thiab tuaj yeem ua rau hauv cov khoom me me.Nws yog feem ntau siv los tsim cov khoom hollow xws li balloons, hnab looj tes yas, cov cuab yeej siv tes thiab cov khoom siv kho mob
(2) Condensation molding
Lub molten yas kua yog poured rau hauv high-temperature pwm los tsim ib tug hollow khoom.Tom qab cov yas tsim ib txheej ntawm cov pwm sab hauv, cov khoom siv ntau dhau yog nchuav tawm.Tom qab cov yas tau ruaj khov, cov pwm tuaj yeem qhib kom tshem tawm ib feem.Qhov ntev ntawm cov yas nyob hauv pwm, lub plhaub yuav thicker.Qhov no yog ib qho tseem ceeb ntawm cov txheej txheem kev ywj pheej uas tuaj yeem tsim cov duab ntau dua nrog kev nthuav dav zoo nkauj zoo nkauj.Lub tsheb sab hauv feem ntau yog ua los ntawm PVC thiab TPU, uas feem ntau siv rau ntawm qhov chaw xws li dashboards thiab qhov rooj kov.
3) Kev sib hloov molding
Ib qho nyiaj ntawm cov yas yaj yog muab tso rau hauv ib lub rhuab ob-thooj kaw pwm, thiab cov pwm yog tig los faib cov khoom sib npaug ntawm cov pwm phab ntsa.Tom qab solidification, pwm tuaj yeem qhib kom tshem tawm cov khoom tiav.Thaum lub sijhawm ua haujlwm no, cua lossis dej yog siv los ua kom txias cov khoom tiav.Cov khoom tiav yuav tsum muaj cov qauv hollow, thiab vim yog kev sib hloov, cov khoom tiav yuav muaj qhov nkhaus muag.Thaum pib, tus nqi ntawm cov kua yas txiav txim siab ntawm phab ntsa thickness.Nws yog feem ntau siv los ua axially symmetrical puag ncig cov khoom xws li cov lauj kaub paj paj, cov khoom siv ua si me nyuam yaus, cov khoom siv teeb pom kev zoo, cov khoom siv dej ntauwd, thiab lwm yam.
Post lub sij hawm: Jun-01-2022