PVC Ua Npuas Ncauj Board Ntau Lawm: Cov Extrusion Variables uas txiav txim siab seb daim ntawv luam tawm huv lossis delaminates
May 26, 2026
PVC ua npuas ncauj board extrusion kab hauv khov kho- lub xeev ntau lawm. Daim ntawv tawm ntawm lub taub hau tuag tau dhau los ntawm 180 degrees Celsius ntawm plasticizing tshav kub, ib qho kev poob siab uas nucleated lab ntawm cov roj hlwb, thiab peb calender rolls uas kaw qhov chaw rau hauv daim tawv nqaij printable.
Ntawm nplooj ntawv no
- I. 40-Degree Txias Sib Nqus Sib Nqus Lub Rooj Tswjhwm Ntiag Tug Los Ntawm Daim Pib Rho Npe
- II. Sab hauv ntxaib-Screw: Dab tsi tshwm sim ntawm 120℃thiab 180 degree
- III. Txoj Kev Tuag: Qhov Chaw Nres Nres Ua Npuas Ncauj
- IV. Peb Cov Rollers ntawm 65℃- thiab Yuav Ua Li Cas Daim tawv nqaij txiav txim siab luam ntawv zoo
- V. Plaub qhov kev hloov pauv uas hloov tus qauv zoo rau hauv pawg phem
- FAQ
Taug kev mus rau hauv txhua lub khw kos npe, chav ua haujlwm hauv txee, lossis digital- chaw luam ntawv, thiab koj yuav pom cov pawg ntawm PVC ua npuas ncauj rau ntawm phab ntsa. Cov nplooj ntawv zoo ib yam los ntawm thoob plaws hauv chav. Tib matte dawb nto. Tib yam rigid xav. Tib seem stability thaum koj flex ib lub ces kaum ntawm tus ntiv tes xoo thiab forefinger. Tab sis muab ob lub rooj tsavxwm los ntawm cov kab ntau lawm los ntawm tib lub tshuab luam ntawv UV flatbed, thiab ib qho ntawm lawv yuav tuav ib rab chais -ntse dot qauv thaum lwm tus qhia cov kua mem los ntshav ntawm cov npoo ntawm txhua daim ntawv. Qhov sib txawv tsis yog nyob rau hauv cov ntaub ntawv raw uas teev nyob rau hauv daim ntawv spec. It is in the extrusion line, distributed across four process stages that collectively determine whether a foam board prints clean or delaminates, whether it routes smoothly or tears, and whether its density is uniform from edge to edge or drifts by fifteen percent between the center and the trim.
Kev tsim cov PVC ua npuas ncauj board los ntawm extrusion foaming yog cov saw ntawm kev sib koom ua ke ntawm thermal thiab mechanical txheej xwm. Txhua theem teeb tsa cov xwm txheej rau yav tom ntej. Qhov sib txawv ntawm qhov txias - sib tov kub ntawm theem ib tsis tshaj tawm nws tus kheej kom txog rau thaum lub calender yob nyob rau theem plaub, los ntawm qhov point ob peb txhiab linear taw ntawm lub rooj tsavxwm tau tawm ntawm qhov tuag lawm. To taub yuav ua li cas cov theem no txuas yog qhov sib txawv ntawm kev qhia ib lub rooj tsavxwm los ntawm nws qhov nominal ceev thiab qhia ib tug los ntawm cov txheej txheem tsis uas ua tau qhov ntom, tsis tu ncua, hla txhua daim ntawv nyob rau hauv ib lub pallet. Pebrigid PVC ua npuas ncauj board ntau yamyog tsim nyob rau hauv kev tswj extrusion tej yam kev mob uas pib nrog txias -sib tov kub thiab xaus nrog post- txiav seem pov thawj.
I. 40-Degree Txias Sib Nqus Sib Nqus Lub Rooj Tswjhwm Ntiag Tug Los Ntawm Daim Pib Rho Npe
Cov theem sib xyaw yog qhov uas feem ntau cov phau ntawv extrusion nod zoo nkauj thiab txav mus. Nws yog ib qho yooj yim los piav qhia thiab yooj yim rau kev ua yuam kev, thiab qhov tshwm sim ntawm kev ua yuam kev tsis tshwm sim kom txog thaum pawg thawj coj mus txog tus neeg siv khoom. Tus txheej txheem raws tu qauv siv ob- theem ua ntu zus: siab- sib tov kub ceev, ua raws tam sim ntawd los ntawm qis- ceev txias sib tov. Ob theem tseem ceeb, tab sis qhov txias -mix theem yog qhov chaw tus neeg teb xov tooj yog xauv rau hauv ib qho chaw qhuav qhuav los yog thauj cov extruder hopper nrog cov khoom uas yuav ua npuas ncauj unpredictably.
Kev sib xyaw kub pib nrog cov khoom xyaw: PVC resin, stabilizers, thiab muab tub lim, feem ntau yog calcium carbonate, loaded rau hauv siab - sib tov ceev. Nyob rau hauv lub tshav kub generated los ntawm shear kev sib txhuam, cov khoom kub nce mus txog 100 degrees Celsius. Ntawm qhov pib, cov khoom ua kua nkag mus rau hauv lub nkoj. Plasticizers thiab lubricants ntxiv, thiab sib tov txuas ntxiv thaum qhov kub nce mus txog 110 txog 120 degrees. Lub hom phiaj ntawm theem no yog qhov yooj yim rau lub xeev thiab nyuaj rau kev txheeb xyuas lub sijhawm tiag tiag: txhua qhov khoom siv yuav tsum tau muab sib npaug nrog cov kua dej ntxiv. Cov txheej tsis sib xws ntawm qhov kub- sib xyaw theem ua rau muaj kev hloov pauv hauv zos hauv cov viscosity yaj uas muaj sia nyob txhua txoj kev mus rau qhov tuag tawm.
Txias sib tov ua raws li yam tsis muaj kev ncua. Cov kub sib tov yog xa mus rau hauv ib lub tshuab txias txias, tus neeg sawv cev foaming yog qhia, thiab lub tsho txias dej circulates coj cov batch kub hauv qab 40 degrees Celsius sai li sai tau raws li qhov system tso cai. Qhov txias -mix kauj ruam ua peb yam ib txhij. Nws tiv thaiv thermal degradation ntawm PVC, uas tuaj yeem pib ntawm qhov kub siab tshaj 140 degrees. Nws tiv thaiv tus neeg sawv cev foaming los ntawm decomposing ntxov ntxov, uas yuav nkim lub tshuab tshuaj tiv thaiv ua ntej lub yaj puas mus txog qhov tuag. Thiab nws tsav tawm cov dej seem seem, ua kom xoob, pub dawb - ntws qhuav sib xyaw uas pub sib npaug rau hauv extruder. Ib pawg uas nkag mus rau hauv lub plhaw ntawm 50 degrees yuav ua haujlwm txawv ntawm ib qho uas nkag mus ntawm 35 degrees, thiab qhov sib txawv yuav tshwm sim nyob rau hauv board ntom variation thoob plaws daim ntawv dav.
II. Sab hauv ntxaib-Screw: Dab tsi tshwm sim ntawm 120℃thiab 180 degree
Lub tshuab ziab khaub ncaws nkag mus rau hauv extruder los ntawm kev ntsuas qhov ntsuas thiab pib taug kev los ntawm ntau qhov chaw kub, feem ntau yog li ntawm 120 degrees Celsius ntawm lub caj pas pub rau roughly 180 degrees ntawm metering seem. Lub extruder tsis yog ib qho yooj yim cov yeeb nkab nrog lub tshuab cua sov qhwv ib ncig ntawm nws. Nws yog ib ntus ntawm kev tswj hwm qhov chaw thermal, txhua qhov sib txuas mus rau ib theem tshwj xeeb ntawm plasticization, thiab kev hloov pauv ntawm cov cheeb tsam yuav tsum du txaus uas cov khoom yuav tsis muaj kev poob siab thermal.
Ntawm thaj chaw pub khoom, cov khoom tseem yog hmoov. Nws yog xa mus rau pem hauv ntej los ntawm lub txee- tig cov ntsia hlau thaum lub chim kub pib soften PVC resin. Nyob rau hauv cheeb tsam compression, cov ntsia hlau channel qhov tob yuav txo qis, cov khoom yog compacted, thiab kub nce mus rau hauv ntau qhov chaw uas cov resin hloov los ntawm ib tug particulate khoom mus rau ib tug nruam yaj. Los ntawm thaj tsam metering, cov khoom siv yog cov yas tag nrho rau hauv lub xeev viscous, thiab qhov kub thiab txias yuav tsum siab txaus kom muaj qhov sib npaug viscosity yam tsis muaj ntau tshaj qhov pib decomposition ntawm tus neeg sawv cev foaming.
Thaum lub sij hawm tag nrho cov kab ke no, qhov chaw nres nkoj ntawm lub extruder chim tseem kaw. Qhov kev nthuav dav no yog ib qho yooj yim rau kev saib xyuas thiab kev puas tsuaj rau kev tsis quav ntsej. Yog tias lub qhov cua qhib thaum lub yaj muaj cov roj yaj los ntawm tus neeg sawv cev foaming, cov pa tawm mus rau hauv qhov chaw es tsis txhob nucleating rau hauv cov qauv ntawm tes tswj ntawm qhov tuag. Qhov tshwm sim yog ib lub rooj tsavxwm nrog cov npuas dej tawg, tsis sib haum xeeb, thiab ib qho chaw zoo li nws tau sandblasted. Lub qhov cua nyob kaw kom txog thaum lub yaj mus txog lub ntsej muag tuag. Qhov ntawd yog txoj cai.
III. Txoj Kev Tuag: Qhov Chaw Nres Nres Ua Npuas Ncauj
Lub siab plasticized yaj tam sim no nkag mus rau hauv lub taub hau tuag foaming, thiab qhov no yog qhov uas cov txheej txheem extrusion nres ua rau cua sov thiab ua rau lub siab. Lub taub hau tuag kub yog khaws cia nyob rau hauv ib qho nqaim band, feem ntau yog 165 txog 185 degrees Celsius, thiab lub siab ntev yog nqaim txaus uas feem ntau cov kab ntau lawm siv cov roj- cua sov phaj clamped rau lub cev tuag rau kev tswj qhov kub thiab txias es tsis txhob cia siab rau lub taub rhaub dej kub ib leeg. Lub viav vias kub ntawm tsib degrees ntawm lub ntsej muag tuag tuaj yeem hloov cov qauv ua npuas ncauj los ntawm kev nplua thiab zoo ib yam mus rau ntxhib thiab tsis sib xws. Tus tuag tsis zam txim rau imprecision.
Lub physics ntawm qhov tuag tawm yog counterintuitive yog tias koj tsis tau saib ua npuas ncauj extrusion khiav. Cov yaj hauv qhov tuag yog nyob rau hauv siab, thiab cov pa roj los ntawm tus neeg sawv cev decomposing foaming yog yaj nyob rau hauv lub polymer matrix, tseem tsis tau pom li npuas. Thaum cov yaj tawm ntawm qhov chaw tuag mus rau hauv atmospheric siab, lub siab poob qis heev. Cov roj yaj ua supersaturated tam sim ntawd. Nws precipitates tawm ntawm kev daws thiab tsim ntau lab ntawm microscopic npuas nuclei. Cov nuclei nthuav dav mus rau hauv cov qauv ntawm tes uas txhais tau hais tias lub rooj tsavxwm ua npuas ncauj, thiab qhov sib xws ntawm cov qauv no nyob ntawm seb qhov sib npaug ntawm qhov kev poob siab tshwm sim li cas thoob plaws qhov dav ntawm daim di ncauj tuag.
Ib tug tuag nrog tsis sib npaug kub faib ua uneven nucleation. Sab kub ntawm qhov tuag tso roj ntau dua, tsim cov hlwb loj dua. Lub sab txias ua rau me me, denser ua npuas ncauj. Lub rooj tsavxwm tshwm sim muaj qhov ntom ntom ntom ntom ntawm ib ntug mus rau lwm qhov, thiab tsis muaj ntau npaum li cas ntawm kev tshaj tawm -kev ua haujlwm tuaj yeem kho nws. Qhov no yog vim li casxaiv PVC ua npuas ncauj board los ntawm qhov ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntomyog ib qho ntawm plaub qhov ntsuas tseem ceeb uas cais cov kev qhia tshwj xeeb -qib cov ntawv los ntawm cov khoom lag luam.
IV. Peb Cov Rollers ntawm 65℃- thiab Yuav Ua Li Cas Daim tawv nqaij txiav txim siab luam ntawv zoo
Tam sim ntawd tom qab tawm hauv qhov tuag, cov npuas npuas nkag mus rau peb -roll calender. Lub calender rollers yog khaws cia ntawm 60 mus rau 75 degrees Celsius, uas yog sov txaus kom cov ntaub ntawv pliable tab sis txias txaus txheeb ze rau lub melting kub uas cov txheej saum npoo pib solidify ntawm kev sib cuag. Qhov kub ntawm qhov sib txawv no yog cov txheej txheem tom qab tsim ntawm daim tawv nqaij, thiab daim tawv nqaij tsim yog cov txheej txheem tom qab luam tawm.
Thaum cov foamed yaj hu rau cov menyuam yaus qhov chaw sov, txheej txheej sab nraud txias sai sai thiab compacts. Cov npuas ntawm qhov chaw tawg, thiab cov polymer matrix densifies rau hauv tawv, du, nruam daim tawv nqaij. Hauv qab ntawm daim tawv nqaij, cov tub ntxhais ua npuas ncauj tseem nyob hauv cellular, uas yog qhov ua rau lub rooj tsavxwm nws lub teeb rigidity. Cov tawv nqaij tsis yog siv los ua ib txheej nyias los yog laminated tom qab qhov tseeb. Nws yog tsim los ntawm tib yam khoom raws li cov tub ntxhais, sib txawv tsuas yog los ntawm thermal gradient ntawm lub calender nto. Cov tawv nqaij- cov qauv tseem ceeb yog ib qho tseem ceeb, thiab nws qhov zoo nyob ntawm qhov kub thiab txias ntawm lub calender yog siab txaus los ua kom lub ntsej muag tsis muaj siab kom cov ntawv lo rau cov menyuam.
Rau ibPVC advertising board destined rau UV flatbed lossis tshuaj ntsuam luam ntawv, daim tawv nqaij saum npoo yuav tsum tsis muaj pinholes, kab tuag, thiab txiv kab ntxwv -peel kev ntxhib los mos. Lub pinhole uas pom tsis pom ntawm qhov muag liab qab yuav tshwm sim raws li qhov tsis tau luam tawm hauv qab 1,200-dpi printhead. Ib txoj kab tuag uas khiav qhov ntev ntawm daim ntawv yuav sau npe ua ib qho kev sib tw uas tsis tau luam tawm nyob rau hauv txhua daim duab uas hla ntu ntawm lub rooj tsavxwm. Cov tshuab luam ntawv kawm paub txog cov teeb meem no los ntawm tus qauv uas lawv tawm mus. Extrusion tswv kawm los tiv thaiv lawv los ntawm kev saib lub calender qhov sib txawv thiab cov menyuam nto qhov kub thiab txias nrog hom kev saib xyuas uas tus kws ua zaub mov muab rau cov ntses uas yog peb caug vib nas this los ntawm kev tawg.
Tom qab calendering, daim ntawv hla dhau qhov txias conveyor seem uas nws solidifies tag nrho, ua raws li los ntawm ib tug traction unit uas rub nws ntawm ib tug ceev ceev, thiab thaum kawg ib tug tsis siv neeg pom uas txiav nws mus rau qhov ntev ntev. Cov ncej -calendering cov kauj ruam yog hais txog qhov tseeb ntawm qhov ntev. Cov kauj ruam calender yog hais txog qhov zoo ntawm qhov chaw. Ob qho teeb meem, tab sis qhov zoo ntawm qhov chaw yog qhov uas cov neeg siv khoom pom thawj zaug.
V. Plaub qhov kev hloov pauv uas hloov tus qauv zoo rau hauv pawg phem
Lub chaw soj ntsuam zoo ntawm PVC ua npuas ncauj board extrusion kab. Lub kaum sab xis qhia pom qhov tsis xws luag uas yuav pom tsis pom nyob rau hauv lub teeb ci ntsa iab. Qhov ntsuas qhov ntom ntom ntsuas cov npuas core uniformity uas qhov chaw zais. Ob qhov kev kuaj xyuas tshwm sim ntawm txhua qhov kev hloov pauv vim tias plaub txheej txheem sib txawv uas txiav txim siab lub rooj tsav xwm zoo tuaj yeem txav mus rau ob qho kev taw qhia yam tsis muaj lub tswb.
Cov kab ntau lawm uas khiav tib lub mis ntawm tib cov khoom siv nrog tib tus neeg teb xov tooj tuaj yeem tsim lub rooj tsavxwm nrog qhov ceev ntawm 0.45 mus rau 0.55 grams ib cubic centimeter rau hnub Tuesday thiab lub rooj tsavxwm nrog qhov ntau ntawm 0.48 txog 0.62 rau hnub Thursday, siv tib cov ntaub ntawv raw los ntawm tib pawg. Qhov txawv tsis yog tus qauv. Nws yog cov txheej txheem sib txawv, thiab plaub ntawm lawv suav txog yuav luag txhua qhov kev hloov pauv uas cais cov khoom sib xws los ntawm cov teeb meem tsis sib xws.
Kev tswj qhov kub thiab txiasyog thawj qhov xwm txheej rau kev ua tiav foaming, thiab nws yog qhov nyuaj tshaj plaws los tswj hwm kev hloov pauv tag nrho. Yog hais tias lub thoob kub kub dhau heev lawm, tus neeg sawv cev foaming decomposes ntxov ntxov, roj khiav tawm ntawm lub qhov cua los yog lub caj pas pub, thiab lub board nto tsim cov kab nrib pleb thiab roughness qhov chaw uas cov npuas dej tawg ua ntej daim tawv nqaij yuav muab kaw. Yog hais tias qhov kub thiab txias tsis dhau, cov yaj tsis plasticize tag nrho, lub zog yaj tsis txaus kom muaj cov roj ntsha uas nthuav dav, thiab lub rooj tsavxwm saum npoo tsis sib npaug nrog cov seem ntawm cov foaming tsis tiav. Lub qhov rais nruab nrab ntawm kub thiab txias dhau mus nqaim raws li kab nrawm nce.
Melt siabyog qhov sib txawv uas khaws cov roj yaj hauv kev daws kom txog thaum nws mus txog qhov tuag. Cov ntsia hlau ceev, qhov sib npaug ntawm lubrication nyob rau hauv cov mis, thiab lub chim kub profile tag nrho cov cuam tshuam yaj siab. Yog hais tias lub siab poob qis heev thaum ntxov hauv lub thoob, cov roj precipitates hauv lub extruder es tsis txhob ntawm lub ntsej muag tuag. Qhov tshwm sim yog ua ntej- cov khoom ua npuas ncauj uas ua rau lub rooj tsavxwm nrog cov qauv ntawm tes tsis tu ncua thiab qhov chaw ntxhib. Kev tuav lub siab txaus los ntawm qhov ntsuas qhov ntsuas thiab mus rau hauv qhov tuag yog qhov sib npaug ntawm cov ntsia hlau tsim, qhov kub thiab txias, thiab tus nqi nkag.
Lub foaming thiab nucleation sib npaugMuaj peb qhov kev sib cuam tshuam cov khoom siv: ntau npaum li cas ntawm cov tshuaj foaming tus neeg sawv cev, hom thiab tus nqi ntawm foaming regulator uas tswj cov yaj lub zog, thiab dispersion ntawm calcium carbonate particles uas ua hauj lwm raws li qhov chaw nucleation. Tus neeg ua npuas ncauj txiav txim siab seb muaj roj ntau npaum li cas. Lub regulator txiav txim seb lub yaj puas muaj zog txaus kom muaj nws. Tus neeg sawv cev nucleating txiav txim seb muaj pes tsawg tus neeg lub hlwb tsim thiab sib npaug li cas lawv faib. Ib tug tshaj ntawm foaming tus neeg saib xyuas nrog tsis txaus regulator ua rau loj, irregular hlwb uas tsis muaj zog lub rooj tsavxwm structurally. Ib qho dhau ntawm cov neeg tswj xyuas nrog cov neeg ua npuas dej tsis txaus ua rau lub rooj tsav xwm ntom ntom nrog qhov hnyav tsawg thiab cov khoom nyoos ntau dua - cov khoom siv rau ib daim ntawv.
Cov kev hloov pauv no sib cuam tshuam. Ib qho kev hloov pauv ntawm calcium carbonate particle loj faib hloov pauv cov qauv nucleation, uas hloov qhov ua tau zoo foaming piv, uas hloov qhov pom tseeb ntom, uas hloov li cas lub rooj tsavxwm coj cwj pwm nyob rau hauv ib tug router me ntsis los yog ib tug printhead. Tus neeg teb xov tooj uas nkag siab txog cov kev sib cuam tshuam no tuaj yeem kuaj xyuas qhov chaw ntawm - teeb meem tsis xws luag los ntawm kev saib ntawm tus ntoo khaub lig- ntu ntawm cov tub ntxhais ua npuas dej hauv qab loupe. Tus neeg teb xov tooj uas tsuas paub cov ntsiab lus teeb tsa ua tsis tau. Qhov no yog qhov txawv ntawmPVC txee board uas routs huv si ntawm ntugthiab ib qho uas kua muag thiab yuav tsum tau tshaj tawm - ua cov xuab zeb uas tshem tawm cov nyiaj khaws cia hauv pawg thawj coj yuav tsum xa.
Cov lus nug nquag nug txog PVC ua npuas ncauj Board Production
Cov lus teb rau cov lus nug feem ntau hais txog yuav ua li cas PVC ua npuas ncauj board yog tsim thiab yuav ua li cas los nrhiav thaum qhia cov ntawv.
Q1: Dab tsi yog qhov txawv ntawm dawb- ua npuas ncauj thiab Celuka txheej txheem PVC boards?
A: Free-foam extrusion allows the foamed melt to expand freely after leaving the die, producing a board with lower density and a uniform cell structure throughout. Cov txheej txheem Celuka siv lub calibrator tam sim ntawd tom qab tuag los txwv kev nthuav dav, ua rau cov tawv nqaij denser thiab tswj cov tuab tuab dua. Pub dawb- cov npuas npuas feem ntau yog sib dua thiab tus nqi ntau dua -zoo ib cubic feet. Celuka boards muaj qhov nyuaj dua, cov ntsia hlau zoo dua- tuav lub peev xwm, thiab cov tuab tuab tuab, uas ua rau lawv xaiv qhov kev xaiv zoo tshaj plaws rau cov ntawv thov uas lub rooj tsavxwm yuav raug xa mus, laum, lossis mechanically fastened. Kev xaiv ntawm ob txheej txheem yuav tsum tau tsav los ntawm cov txheej txheem fabrication lub rooj tsavxwm yuav undergo, tsis yog los ntawm ib tug generic specification.
Q2: Why does the same density specification produce different board performance across suppliers?
A: Nominal ntom yog qhov nruab nrab. Ob lub rooj tsavxwm tuaj yeem raug teev tseg ntawm 0.50 grams ib cubic centimeter thaum qhov sib txawv ntawm qhov ntom ntom ntom ntawm daim ntawv. Ib lub rooj tsavxwm yuav muaj qhov ceev ntawm 0.48 txog 0.52 ntawm ntug mus rau qhov chaw. Lwm qhov yuav txawv ntawm 0.42 txog 0.58. Thawj lub rooj tsavxwm yuav taug kev, luam tawm, thiab ua kom nrawm nrawm. Qhov thib ob yuav qhia cov me me uas ua rau tsim kua muag- tawm thaum lub sij hawm routing thiab number case -absorption variation thaum luam ntawv. Qhov txawv yog nyob rau hauv cov txheej txheem extrusion tswj, tsis nyob rau hauv spec daim ntawv tooj. Density uniformity is the specification that matters, and it is measured by sampling multiple points across the sheet rather than a single reading at the center.
Q3: Dab tsi ua rau cov kab tuag ntawm qhov chaw ntawm PVC ua npuas ncauj?
A: Cov kab tuag yog linear defects uas khiav parallel mus rau extrusion kev taw qhia. Lawv yog tshwm sim los ntawm imperfections los yog buildup nyob rau hauv daim di ncauj tuag, tsis sib npaug ntawm tuag kub, los yog inconsistent yaj ntws los ntawm cov tuag channel. Ib txoj kab tuag uas tsis tshua pom ntawm daim ntawv dawb yuav pom tau zoo heev tom qab luam ntawv, vim tias txoj kab tsim micro-groove uas tuav tus number case tsawg dua qhov chaw nyob ib puag ncig. Cov kab tuag yog qhov teeb meem kev saib xyuas, tsis yog cov khoom siv tsis raug. Lawv qhia tias qhov tuag yuav tsum tau ntxuav, daim di ncauj tuag xav tau kev hloov kho, lossis qhov kub thiab txias faib thoob plaws lub ntsej muag tuag xav tau kev kho dua tshiab.
Q4: Lub thickness ntawm daim tawv nqaij cuam tshuam li cas rau luam adhesion?
A: Cov txheej txheem ntawm daim tawv nqaij ntawm PVC ua npuas ncauj yog denser thiab tsawg ntxeem tau ntawm cov tub ntxhais ua npuas ncauj. Nws muab ib tug du, kaw qhov chaw uas yog zoo tagnrho rau number case adhesion vim tus number case zaum saum ntawm daim tawv nqaij es tsis yog absorbed rau hauv qhib hlwb. Ib daim tawv nqaij uas nyias dhau ua rau pom cov qauv cellular hauv qab, tsim microscopic nto porosity uas ua rau number case rau wick unevenly. Ib daim tawv nqaij uas tuab heev ntxiv qhov hnyav uas tsis tsim nyog yam tsis tau txhim kho kev luam ntawv. Qhov zoo tshaj plaws ntawm daim tawv nqaij tuab rau cov ntawv luam ntawv digital sib npaug ntawm qhov smoothness tiv thaiv kev pheej hmoo ntawm kev nthuav tawm ua npuas ncauj los ntawm kev tuav puas ua ntej lub rooj tsavxwm mus txog lub txaj luam ntawv.
Q5: Cov ntsiab lus PVC puas tuaj yeem siv rau hauv kev tsim ua npuas ncauj yam tsis muaj kev cuam tshuam zoo?
A: Tshaj tawm -kev lag luam regrind los ntawm cov kab extrusion tus kheej ntug trim thiab txiav- cov khib nyiab tuaj yeem rov ua dua ntawm cov feem pua ntawm cov tswj, feem ntau txog li 15 mus rau 20 feem pua, yam tsis muaj kev cuam tshuam rau lub rooj tsavxwm zoo, yog tias cov regrind yog huv si, qhuav, thiab qhov loj me. Tshaj tawm -cov neeg siv khoom siv rov ua dua PVC qhia txog qhov hloov pauv ntxiv: kev kis kab mob, cov keeb kwm thermal tsis sib xws, thiab cov pob khoom tsis paub ntxiv los ntawm cov khoom qub. Cov kev hloov pauv no ua rau nws nyuaj heev los tswj cov txheej txheem nruj uas ua npuas extrusion xav tau. Cov pawg thawj coj ua nrog cov ntawv tshaj tawm- cov neeg siv khoom rov siv dua cov ntsiab lus tuaj yeem ua tau zoo hauv cov ntawv tsis yog- tseem ceeb, tab sis lawv tsis tshua tau teev nyob qhov twg cov ntawv luam tawm zoo, kev ua haujlwm zoo, lossis cov qauv sib xws tsis yog - sib tham tau.
Extrusion Consistency yog qhov tshwj xeeb uas tseem ceeb
PVC ua npuas ncauj board tsim nyob rau hauv kev tswj extrusion tej yam kev mob muab qhov ceev uniformity, nto zoo, thiab ntug kev ncaj ncees uas luam ntawv, routing, thiab fabrication daim ntaub ntawv thov. Txawm hais tias daim ntawv thov yog UV flatbed signage, lub txee tsim, lossis lub tshuab nqus tsev- tsim cov vaj huam sib luag, cov txheej txheem tsis tau kos rau hauv txhua daim ntawv txiav txim siab seb lub rooj tsavxwm ua haujlwm li cas raws li cov cuab yeej ua haujlwm tom ntej.
Daim ntawv uas tawm ntawm txoj kab nqa cov txheej txheem nrog nws
PVC ua npuas ncauj board yog cov ntaub ntawv ntawm extrusion tej yam kev mob uas tsim nws. The density distribution across the sheet records the die temperature profile. Qhov saum npoo tiav sau cov calender yob mob thiab daim tawv nqaij - tsim kub. Cov qauv ntawm tes hauv cross-section sau cov foaming-tus neeg saib xyuas ntau npaum li cas, qhov sib npaug ntawm tus tswj, thiab tus qauv nucleation. Txhua daim ntawv nqa cov ntaub ntawv no, tab sis feem ntau nws pom tsis tau rau leej twg uas tsuas yog nyeem daim ntawv spec. Nws yuav pom thaum lub rooj tsavxwm luam tawm, xa mus, los yog fastened, thiab tom qab ntawd lub rooj tsavxwm twb nyob rau hauv cov neeg siv khoom txhais tes.
Daim paib - tus tsim khoom uas tau yuav lub rooj tsavxwm ua npuas ncauj tau kaum tsib xyoos tuaj yeem qhia rau koj, yam tsis muaj cov cuab yeej, tus neeg muag khoom lub rooj tsavxwm yuav luam tawm kom huv thiab qhov twg yuav los ntshav ntawm daim ntawv ntug. Nug lawv seb lawv paub li cas, thiab lawv yuav piav qhia qee yam nyob ze rau cov txheej txheem kev tshuaj xyuas los ntawm kev xav: txoj kev ntawm qhov chaw tiv thaiv tus ntiv tes, txoj kev txiav ntug zoo li hauv qab lub magnifier, txoj kev lub suab nrov thaum koj coj mus rhaub nws. Dab tsi lawv tau hnov yog qhov txheej txheem extrusion embedded nyob rau hauv lub polymer. Cov txheej txheem yog cov khoom. Lub rooj tsavxwm tsuas yog nqa nws mus rau lub txaj luam ntawv.
Yog xav paub ntxiv txog yuav ua li cas PVC ua npuas ncauj board piv rau lwm yam kos npe substrates nyob rau hauv fabrication ib puag ncig,plaub -txoj kev sib piv ntawm PVC ua npuas ncauj board, acrylic, ACM, thiab corrugated yasnpog cov cwj pwm txiav, luam ntawv sib raug zoo, thiab tus nqi -ib -square- ko taw hla cov ntaub ntawv uas sib tw rau tib lub kos npe - khw qhov chaw.
Nrog rau ntau tshaj 23 xyoo ntawm kev paub nyob rau hauv nruj PVC extrusion thiab ua npuas ncauj board manufacturing, peb pab neeg ua hauj lwm nrog kos npe -makers, txee fabricators, digital printers, thiab industrial converters nyob rau hauv daim ntawv thov xws li UV flatbed signage mus rau lub nqus tsev vacuum-tsim panels. Cov txheej txheem tsim khoom tau piav qhia hauv tsab xov xwm no qhia txog cov kev txwv extrusion, zoo- tswj cov chaw kuaj xyuas, thiab cov khoom siv- tuav cov txheej txheem tswj hwm txhua daim ntawv tawm hauv cov kab ntau lawm.Xauj PVC ua npuas ncauj board khoom ntau yamlos yogkawm paub ntau ntxiv txog peb cov txheej txheem extrusion thiab zoo.
© 2026 UA. Txhua txoj cai. Cov txheej txheem ntau lawm cov lus piav qhia nyob rau hauv tsab xov xwm no yog raws li tus qauv nruj PVC ua npuas ncauj extrusion txoj kev thiab kev lag luam xyaum. Cov txheej txheem tshwj xeeb, txheej txheem kub, thiab cov khoom siv sib txawv ntawm cov chaw tsim khoom, qib khoom, thiab chaw tsim khoom. Cov yam ntxwv ntawm kev ua tau zoo yuav tsum raug txheeb xyuas nrog cov qauv khoom tam sim no thiab cov chaw tsim khoom tshwj xeeb ua ntej kev yuav khoom. Cov ntsiab lus no yog npaj rau kev siv dav dav thiab tsis hloov pauv rau cov khoom lag luam-cov ntaub ntawv tshwj xeeb cov ntaub ntawv.
