Sonhhong ntawv
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Cov khoom siv yas txuas ntxiv cov khoom lag luam xav tau kev sib raug zoo, qhov chaw huv thiab du thiab du ntawm qhov tsis xws luag xws li foaming lossis curling. Qhov zoo tshaj ntawm cov composite yog cuam tshuam los ntawm ntau yam, suav nrog ob lub hom phiaj thiab cov ntsiab lus. Cov no suav nrog cov kev ua haujlwm ntawm lub vev xaib (piv txwv li, cov qauv av noo, hmoov av, thiab cov txheej txheem siv hauv cov ntawv yas. Ib qho ntxiv, txoj kev ua haujlwm, kev tsim txuj ci, tsim qauv txheej txheem ntawm Laminating tshuab ua haujlwm tseem ceeb. Kev tsom xam dav dav yog qhov tsim nyog los xyuas kom meej meej cov txiaj ntsig kev ua tau zoo.
### 01 Kev Cog Lus Kev Ua Phim Ntawm Cov Composite
Qhov xwm txheej cuam tshuam rau txoj kev sib khi ua nrawm ntawm cov kev sib xyaw ua ke ntawm cov nplaum, cov txheej txheem ntawm cov nplaum, cov kab mob ntawm cov txheej txheem nplaum, thiab cov txheej txheem ua haujlwm.
1. ** Adhesive Zog **
Lub zog nplaum ua yog nyob ntawm cov khoom nyoos ntawm cov kua nplaum, cov txheej txheem tsim khoom, thiab cov khoom sib xyaw ntawm cov yeeb yaj kiab nplaum. Qee cov khoom pom zoo adhesion tam sim ntawd tom qab lamination tab sis yuav poob sijhawm dhau sijhawm. Piv txwv li, cov yeeb yaj kiab yuav tev tawm ntawm daim ntawv nrog qhov tsis tshua muaj zog, lossis khawb ntawm cov zaj duab xis ua rau cais ntawm zaj duab xis thiab ntawv. Cov phenomena qhia tau tias cov nplaum muaj zog tau ua rau muaj kev cuam tshuam nyob rau hauv cov mob sab nraud.
2. ** Cawv ntawm Adhesive affinity nrog cov yeeb yaj kiab ntawm Composite Fast **
Polypropylene cov yeeb yaj kiab siv hauv cov composites muaj ib pawg neeg tsis yog cov pab pawg tsis muaj aquesive, ua rau muaj kev txom nyem zoo nkauj thiab kev ua tiav hauv kev ua tiav kev sib koom ua ke. Txhawm rau hais txog qhov no, Corona kev kho yog thov kom tsim cov pob khoom tsis tau muaj zog thiab cov pa roj carbon nyob rau ntawm cov zaj duab xis, txhim kho nws cov peev txheej. Txoj kev kho mob no nce cov nplaim ntxhib, pab txhawb cov nplaum nplaum. Tom qab kev kho Corona, cov yeeb yaj kiab lub nro qaum npoo hloov los ntawm cov tsis-polar rau polar, txhim kho kev ua kom zoo nkauj rau ncov. Txawm li cas los xij, kev ua tau zoo ntawm Corona kho kev tshem tawm nyob rau lub sijhawm (kwv yees li rau lub hlis). Yog hais tias qhov kev nro txog saum npoo av poob qis dua 39 dynes / cm akn, kho yog suav tias yog tsis muaj txiaj ntsig. Ob txoj hauv kev rau kev txheeb xyuas Corona-kho cov chaw muaj:
- Sau ntawv lossis kos cim rau ntawm zaj duab xis saum npoo nrog tus cwj mem sab uas khaws cov kua mem tes yooj yim yog qhov kho kom zoo. Yog tias dej tsis yog khoov thiab tsis yooj yim los lwv, kev kho corona tseem nyob zoo.
- Siv 38mn / CM² Sab nro indicator (54 grams ntawm formamide thiab 46 grams ntawm ethylene glycol ly ether); Yog tias qhov ntsuas tsis tau mus li ntawm ob lub vib nas this, kev kho Corona yog suav tias yog ua tiav.
3. ** Cawv ntawm Adhesive affinity nrog daim ntawv ntawm Composite Fast **
Daim ntawv yog cov khoom siv ntxeem tau ua los ntawm cov nroj tsuag cuam tshuam. Sizing yog thov kom sau qhov hws thiab txhim kho dej tsis kam, thaum txheej thiab calendering txhim kho deg ncaj thiab smoothness. Ntau hom ntawv yog siv nyob rau hauv cov ntawv luam tawm, suav nrog ntawv dawb, coated ntawv, thiab iav duab los qhia. Cov ntaub ntawv tuaj yeem raug cais ua ob pawg: cov neeg muaj cov qauv nruj thiab cov ntawv sau ua kom du thiab cov ntaub pua khoom (piv txwv li cov ntawv ntxhib). Qhov tom ntej daim ntawv pov thawj tsis zoo ua vim tsis muaj kev sib tiv tauj ntawm cov nplaum txheej thiab cov ntawv saum npoo av. Rau cov ntawv nrog cov npoo loj du, cov nplaum txheej ua tiav zoo dua kev sib cuag zoo dua, kev txhim kho kev sib deev nrawm. Hloov siab, rau cov ntaub ntawv nrog cov qauv xoob, cov nplaum yuav rub tawm cov ntawv xa nyiaj thaum lub sijhawm stripping. Yog li ntawd, cov nplaum kom muaj nuj nqis yuav tsum tau hloov kho raws li hom ntawv los them rau saum npoo tsis xwm yeem thiab txhim kho kev sib koom tes.
4. ** Cawv ntawm Adhesive Affinity nrog number case ntawm Composite Fast **
Dej raws li zaj duab xis cov nplaum yuav ua kom zoo nrog cov yeeb yaj kiab, ntawv, thiab cov kua mem ib txhij. Lub estinity ntawm adhesive thiab number case yog ntau dua complex dua nrog zaj duab xis lossis ntawv. Luam ntawv inns feem ntau muaj cov pigments, txuas cov ntaub ntawv, thiab cov ntaub ntawv sib txuas tsim los ua kom tau raws li kev luam ntawv. Offset cov ntawv luam siv cov chaw pleev xim rau cov kua hlau nrog nyias nyias nyias, thaum cov ntawv luam tawm cov hauj lwm thicker sib xyaw xim. Tus qauv sab hauv ntawm cov kav dej txheej, tshwj xeeb nws cov yam ntxwv ntawm cov tshuaj, cuam tshuam phenomena xws li ua npuas ncauj thiab sib tham sai. Cov kev txiav txim siab tseem ceeb suav nrog:
- Cov xim loj loj (piv txwv li, cov nyiaj thiab kub inks) ua rau muaj cov nplaum nplaum tsis muaj zog vim yog cov khoom sib txuas. Cov nyiaj thiab kub inks nthuav qhia loj dua li cov ntawv txawv teb chaws txawv teb chaws, ua rau cov teebmeem no. Tsis tas li ntawd, cov nplaum ua kom zoo nkauj yuav txheeb xyuas cov xim tom qab thaum sib thooj xim duab, tsim nyog xaiv raws li cov khoom tom qab.
- Cov ntawv tsis zoo tiaj tus txwv tsis pub tso cov khaubncaws sab nraud povtseg ntawm cov khaubncaws sab nraud dej Offset luam tawm cov khoom siv thinner hauv cov khaubncaws sab nraud dej nrog ntau tshaj tawm cov ntxeem tau piv rau kev luam ntawv.
- High mem dej txheej du kuj tseem tuaj yeem cuam tshuam cov txheej txheem adhesive-nyob rau lub sijhawm, sib sau ua ib qho nyuaj, pom cov nplaum uas muaj zog.
- Tuab kua qaub hauv cov ntawv luam tawm loj hauv cov ntawv loj
5. ** Cawv ntawm cov nplaum txheej txheem kis xwm txheej txheem ntawm kev sib xyaw sai **
Cov xwm txheej ntawm cov txheej txheej nplaum hais txog nws cov tuab thiab sib xyaw. Thicker nplaum txheej feem ntau txhim kho kev sib txuas nrawm nrawm, tab sis pickness ntau dhau tuaj yeem cuam tshuam cov haujlwm ua haujlwm zoo, txo cov kua txob hauv qab. Cov ntawv thov tsis raug cai yog qhov tseem ceeb rau kev sib txuas ua ke. Cov kev xav tshwj xeeb suav nrog:
- ** Thickness **: Kev ua kom zoo rau kev ua kom zoo tshaj plaws ua kom cov nplaum nplaum ua kom cov txheej txheem thinnness, aiming rau txheej txheej thinnest uas ua kom muaj kev sib koom ua kom ruaj khov.
- ** Kev sib txuam no **: tsis sib xws nplaum tuab ua rau kev sib txawv sib txuas nrawm. Nyias cov cheeb tsam ua rau muaj kev sib raug zoo, thaum muaj ntau dhau cov tuab tuab yuav ua rau sib cais. Daim ntawv thov tsis ncaj tuaj yeem ua rau hauv ntawv-number case sib cais.
- ** Ua rau tsis ncaj **: Cov laj thawj muaj peev xwm suav nrog kev hloov kho tsis raug ntawm cov khoom siv gluing, puas gluing tshuab ceev.
### 02 sib xyaw nrog "cov paj yeeb" nyob saum npoo
Dej raws li thiab roj raws laminating ua haujlwm ntawm cov ntsiab cai sib txawv, nrog cov cav dej sib txawv thiab kev siv roj kub siv hluav taws xob kub thiab siab. Cov neeg luam ntawv niaj hnub tsim tshwj xeeb feem ntau koom nrog puv-phaj lossis ntau qhov chaw xim luam ntawv, uas ua rau tuab check txheej. Txhawm rau tiv thaiv cov roj nplaum lossis ua kom nrawm dua, cov tswj kav dej yuav siv cov roj kom nrawm nrawm, nce cov roj-roj ratios, lossis ntxiv hmoov tshuaj tsuag. Txawm li cas los xij, cov kev coj ua no tau teeb meem no, ua rau snowflake-li kev tsis xws luag. Pre-lamination so nrog dej cawv lossis hmoov-xau cov phuam yuav ua rau cov teeb meem no. Cov kev pab qhia tsis txaus los yog tsis txaus nias cov menyuam lub siab exacerbates qhov teeb meem.
### 03 Nrawm tsis ncaj rau hauv cov composites
Tsis ncaj ncees crimping hauv cov composites yuav tshwm sim los ntawm:
1. Cov membrane ntau dhau ntawm kev ntxhov siab thiab shrinkage tom qab slitting.
2. Cov ntawv sau ntub nrog cov ntaub ntawv tsis txaus.
3.
4. Ncua Sij Hawm Ncua Sijhawm uas pub ntev caping.
### 04 Cov Khaub Ncaws Loj Ntawm Laminated Cardboard Cov Kev Tiv Thaiv
Cov khoob loj ntawm cov overlaps hauv laminated cardboard yuav tshwm sim los ntawm:
1. Kev tiv thaiv cua daj cua dub ntau dhau ntawm zaj duab xis.
2. Tsis txaus nias cov txiv hmab muaj zog.
3. Yo dej noo-thuam ntawm cov duab los qhia nrog qhov tsis txaus.
4. Mismatched ceev ntawm nias chais thiab hloov cov laug cam.
5. Cov khoom siv nruj heev hauv zaj duab xis unwinding ntaus ntawv.
### 05 Cov xim hloov pauv hauv cov khoom lag luam mounted
Cov khoom lag luam mounted yuav muaj kev tshem tawm vim:
1. Ntau dhau kev nplaum kom muaj nuj nqis hauv cov nplais gluing.
2. Alkaline Ph Ntawv ntawm cov vais nplaum.
3. Ya dej phob tsis kam ua rau cov vais nplaum ua rau siv cov tshuaj lom neeg thiab muaj peev xwm delamination.
