PVC pem teb yog ib yam tshiab ntawm cov khoom siv kho kom zoo nkauj hauv pem teb uas nrov heev hauv ntiaj teb, los yog hu ua "lub teeb hnyav hauv pem teb". Nws yog cov khoom lag luam nrov hauv Tebchaws Europe, Amelikas, Asia, Nyiv thiab Kaus Lim Qab Teb. Nws tau nkag mus rau Suav lag luam txij li thaum xyoo 1980s, thiab tau pom dav dav hauv cov nroog loj thiab nruab nrab- loj hauv Suav teb. Nws yog dav siv nyob rau hauv ntau qhov chaw, xws li tsev neeg, tsev kho mob, tsev kawm ntawv, chaw ua hauj lwm tsev, factories, pej xeem chaw, supermarkets, lag luam thiab thiaj li nyob.
"PVC pem teb" yog hais txog hauv pem teb ua los ntawm cov ntaub ntawv PVC. Tshwj xeeb, nws yog ua los ntawm PVC thiab nws cov copolymer resin raws li cov ntaub ntawv tseem ceeb, fillers, plasticizers, stabilizers, colorants thiab lwm yam auxiliary cov ntaub ntawv ntawm daim ntawv nruam substrate los ntawm txheej txheej los yog calendering, extrusion los yog extrusion txheej txheem.
Yuav ua li cas yuav PVC pem teb yuav tsim?
Ua ntej, chav tsev kub ntawm PVC pem teb kev tsim kho. Qhov kub hauv tsev yuav tsum nyob nruab nrab ntawm 25℃thiab 25℃thaum tsim kho. Thiab kom ntseeg tau tias kev siv dej thiab hluav taws xob ib txwm muaj, tab sis kuj tseem yuav tsum muaj kev tiv thaiv kev tiv thaiv. Ua ntej kev tsim kho, lub hauv paus hauv av yuav tsum ua tau raws li lub teb chaws tus qauv: tiaj tus, qhuav, huv si, ntom, tawv, tsis muaj roj thiab lwm yam impurities.
Thawj kauj ruam yog kev kho mob hauv av ua ntej kev tsim kho ntawm PVC pem teb. Siv lub hauv pem teb grinder polish tag nrho cov av yuav tsum tau pw, ntxuav ib co impurities nyob rau hauv pem teb, thiab tshem tawm ib co tsa, xoob thiab khoob hauv av. Tom qab ntawd ntxuav cov khib nyiab thiab plua plav uas tsim los ntawm kev sib tsoo, thiab kho cov kab nrib pleb kom ntseeg tau tias kev sib xyaw ua ke zoo tshaj plaws ntawm tus kheej qib nplaum nplaum thiab lub hauv paus.
Qhov thib ob theem yog tus kheej theem. Kev tsim kho kev lag luam ntawm tus kheej qib yuav tsum tau ua nyob rau hauv cov xwm txheej uas cov primer qhuav tag thiab tsis muaj effusion. Kev tsim kho tus kheej kom ntseeg tau tias tus kheej qib cement sib tov sib xyaw, yog li nws yog qhov zoo tshaj plaws los siv cov khoom sib tov sib xyaw, thiab tuav qhov feem ntawm cov dej thiab cov cement.
Qhov thib peb kauj ruam yog tso PVC pem teb. Ua ntej tso, nws yog qhov zoo dua rau kis cov ntaub ntawv tso rau ntau tshaj 24 teev, uas tuaj yeem txo cov xim sib txawv ntawm cov khoom sib txawv. Yog li ntawd, nws yog qhov zoo dua los muab tib cov khoom siv hauv pem teb PVC nrog tib xim ua ke thaum nthuav tawm thiab muab tso, kom yooj yim rau kev tso tsis muaj teeb meem xim sib txawv, uas yuav cuam tshuam rau tag nrho cov txiaj ntsig.
Qib plaub yog kev kho mob sib koom ua ke. Kev tsim kho yuav tsum tau muab tso rau hauv pem teb tom qab 24 teev, tom qab cov kua nplaum tau kho tag nrho ua ntej slotting thiab vuam kho. Nco ntsoov tias qhov tob ntawm qhov zawj yuav tsum yog ob -feem peb ntawm lub thickness ntawm hauv pem teb, thiab lub seam yuav tsum tsis txhob nkag mus rau hauv qab. Ua ntej welding, cov plua plav thiab cov khib nyiab hauv qhov zawj yuav tsum tau muab tshem tawm, thiaj li ua kom muaj kev ua tau zoo ntawm PVC pem teb.
