①Qhov kev xaiv ntawm txheej txheej
Vim tias cov qauv fiber ntau ntawm daim ntawv ua rau saum npoo ntawm daim ntawv muaj qhov khoob loj dua thiab nqus cov kua nplaum ntau dua, nws yog qhov yuav tsum tau ua kom cov txheej txheem qhuav qhuav thaum ua cov ntawv-cov khoom siv yas thiab cov ntawv pulp molded. Txawm li cas los xij, cov txheej txheem txheej tsis loj npaum li qhov ua tau. Lub thickness ntawm cov kua nplaum uas khaws cia ntawm daim ntawv saum npoo thiab aluminium ntawv ci interface tom qab lamination yog cov txheej txheem zoo, thiab cov kua nplaum uas nqus tau rau hauv daim ntawv tsis ua rau muaj kev sib xyaw nrawm.
Yog tias cov txheej txheej loj dhau lawm, cov nplaum nplaum tsis yooj yim rau kev ua kom zoo, thiab qhov saum npoo tuaj yeem ua rau "txiv kab ntxwv tev" tshwm sim, thiab nws kuj yuav ua rau cov khoom pov tseg kom muaj zog dua; yog tias cov txheej txheem me me dhau lawm, qhov adhesion ntawm daim ntawv thiab zaj duab xis yuav txo qis.
Tsis tas li ntawd, qhov smoothness ntawm daim ntawv yog siab, lub fiber yog nruj, thiab cov txheej txheem yuav tsum tau txo; ntawm qhov tsis sib xws, qhov smoothness ntawm daim ntawv yog tsawg thiab cov fiber ntau yog xoob, thiab cov txheej txheej yuav tsum tau nce ntxiv.
Yog li, nws raug pom zoo tias cov kua nplaum siv los ntawm cov neeg siv khoom yuav tsum siab dua 3.5g / m2, thiab cov kua nplaum zoo yuav tsum raug lees paub raws li cov khoom siv, khoom siv, thev naus laus zis, kev siv khoom, thiab lwm yam.
②Qhov kev xaiv ntawm cov nplaum nplaum
Vim yog cov qauv fiber ntau ntawm daim ntawv, daim ntawv muaj cov voids loj dua thiab yuav nqus cov kua nplaum ntau dua. Hauv qhov xwm txheej hnyav, qhov saum npoo yuav tsis muaj kua nplaum thiab delaminate. Thaum daim ntawv yog glued, nws yog feem ntau yuav tsum tau ntxiv cov kua nplaum kom them nyiaj rau cov kua nplaum absorbed los ntawm daim ntawv. Thaum cov yas zaj duab xis yog coated nrog cov kua nplaum, nws tuaj yeem txo cov ntaub ntawv absorbed los ntawm cov kua nplaum, thiab cov txheej txheem yuav txo tau raws li.
Nws yog assumed tias daim ntawv pulp molding los yog txhuas- cov khoom siv yas sib xyaw yog tsim los ntawm cov txheej txheem qhuav qhuav, thiab cov nplaum yog yaj hauv cov kuab tshuaj. Yog tias daim ntawv siv rau gluing, cov kuab tshuaj muaj qhov muaj zog permeability rau daim ntawv thiab tseem yuav nqa cov nplaum ntau rau hauv daim ntawv. Hauv qhov no, cov kua nplaum ntau yuav tsum tau nyob rau lub sijhawm no. Nws yog feem ntau nyuaj rau peb cov cuab yeej ua tau raws li qhov yuav tsum tau ua. Thaum tus nqi ntawm cov kua nplaum tsis tswj tau zoo, nws yog ib qho yooj yim los ua teeb meem xws li lub zog tsis zoo thiab cov kua nplaum nkag. Yog li ntawd, peb feem ntau tsis pom zoo kom cov neeg siv khoom siv cov ntawv nplaum rau ntawm qhov chaw. Piv txwv li, thaum peb haus BOPP / ntawv / PE, peb thawj zaug siv BOPP sizing composite ntawv, thiab ces PE sizing composite ntawv / BOPP.
③Setting ntawm nro
Peb tsuas yog kho qhov nro raws li cov khoom siv membrane. Vim yog lub zog tensile siab ntawm daim ntawv, nws tsis yooj yim rau deformation, yog li qhov loj thib ob unwinding nro los yog rewinding nro yog yuav tsum tau thaum lub sij hawm noj cov txheej txheem. Kev tswj nruj ntawm zaj duab xis tsuas yog xav tau kom tau raws li qhov nro me me hauv cov txheej txheem lamination. Yog hais tias qhov nro ntawm ob qhov tsis tsim nyog, qhov deformation ntawm ob lub membrane cov ntaub ntawv yuav txawv, thiab teeb meem xws li wrinkles thiab curling yuav tshwm sim.
④ Kev ntsuas qhov kub ntawm qhov ziab kom qhuav
Thaum cov yas zaj duab xis yog glued, qhov kub ntawm qhov ziab ntawm lub tshuab laminating yog siab dhau lawm, uas yooj yim ua rau cov yas zaj duab xis stretch thiab deform. Nyob rau tib lub sij hawm, cov kua nplaum yog monotonous heev thiab lub leveling tsis zoo; Qhov kub thiab txias tsis dhau, cov kua nplaum tsis tuaj yeem qhuav tawm, thiab nws yooj yim rau kev tsim cov phenomena xws li quab yuam poob thiab pos huab.
⑤ Kev teeb tsa lub siab rau cov menyuam qhov kub thiab txias
Qhov kub ntawm cov menyuam lub siab yog qhov tsawg, thiab cov nplaum tsis tuaj yeem nkag mus rau hauv daim ntawv thiab qib siab, uas ua rau muaj kev sib raug zoo thiab tsis tshua muaj gloss; Qhov kub thiab txias heev yuav yooj yim deform thiab shrink lub yas zaj duab xis, uas yuav ua rau cov khoom pov tseg rau crease.
Lub siab tsim nyog yuav ua rau cov nplaum nplaum nyob rau hauv lub xeev viscous ntws nkag mus rau hauv cov ntawv fiber ntau los ntawm lub siab ntawm cov xovxwm cov menyuam, thiab ua kom tiav lub cev, txhua yam, tshuaj lom neeg daim ntawv cog lus thiab lwm yam kev sib txuas ntawm daim ntawv. Nyob rau tib lub sijhawm, nyob rau hauv lub siab, cov nplaum yuav kis tau tag nrho thiab theem, thiab cov xim ntawm cov ntawv luam tawm yuav muab sib xyaw ua ke. Ci ntsa iab.
