Siv tshuaj lus thermal tshiab raws li kev tswj hwm

The Transparency Trap

Clear thermal lamination sounds straightforward. Run the film through a heated roller, apply pressure, and the printed piece emerges protected and glossy. In practice, the gap between a successful lamination and a rejected batch often comes down to variables that are easy to overlook until they cause real trouble.

Ib qhia cov ntawv tshuaj rau cov khoom siv hauv lub tebchaws Pacific Northwest tau txais cov lus nug los ntawm kev ua haujlwm. Lawv tau ua cov ntawv tshuaj ntaub BOPP uas tsis muaj duab los ntawm cov ntawv tshuaj ntaub rau ob xyoo thiab tsis muaj kev puas tsuaj. Tom qab ntawd, cov ntawv tshuaj ntaub uas muaj cov ntaub nyias los ntawm ib qhov tsev tshuaj ntaub ntxiv tau los. Tsim suddenly, cov ntawv tshuaj ntaub tau muaj duab tshav hauv qhov cim ntawm cov ntawv tshuaj, thiab cov ntawv tshuaj ntaub tsis tau muaj kev nyhaum zoo. Cov ntawv tshuaj ntaub tsis tau muaj kev thim. Cov kev settings ntawm cov khoom siv tsis tau muaj kev thim. Tab sis cov ntawv tshuaj ntaub tau muaj kev thim—and cov kev pab cuam tau muaj kev puas tsuaj.

Cov ntawv tshuaj ntaub uas muaj kev nyhaum tsis tuaj yeem yuav tsum muaj kev soj xav rau txhua qhov: cov ntawv tshuaj ntaub, cov ntawv tshuaj ntaub, cov kev settings ntawm cov khoom siv, thiab cov kev kis muag.

Soj xav rau cov ntawv tshuaj ntaub

Cov ntawv tshuaj ntaub tsis yog ib qhov ntawv tshuaj ntaub. Nws yog ib qhov ntawv tshuaj ntaub uas muaj ntau qhov ntawv tshuaj ntaub, uas muaj cov ntawv tshuaj ntaub, cov ntawv tshuaj ntaub uas muaj kev nyhaum, thiab cov ntawv tshuaj ntaub uas muaj kev nyhaum uas muaj kev nyhaum rau cov ntawv tshuaj ntaub. . Qhov ntsiab lwm—tseem tshaj plaws BOPP—muab qhov siab thiab qhov pom zoo los ntawm cov khoom siv. . Qhov ntsiab adhesive, tseem tshaj plaws yog EVA-based, yuav muaj kev ua haujlwm thaum muaj txoj ceev los pab qhov ntsiab ntawd tau khaub ncawg rau qhov ntsiab uas tau npaj.

Qhov pom zoo ntawm qhov ntsiab uas tau ua lawm yog nyob ntawm qhov pom zoo ntawm qhov ntsiab thiab qhov tshwj xeeb ntawm qhov ntsiab adhesive. Yog li cas los tsis tshwj xeeb rau qhov ntsiab adhesive yuav muaj kev pom zoo tsis zoo—txoj kab, qhov tshuaj, lossis qhov tsis pom zoo ntawm qhov ntsiab. Cov ntsiab uas muaj qhov pom zoo siab yuav muaj qhov adhesive tshwj xeeb rau lub qhov ntsiab thiab rau lub qhov ntsiab ntawm lub rool thiab rau no cov neeg ua khoom uas muaj kev daim duab zoo yuav muaj kev ua haujlwm zoo dua. .

Qhov tshwj xeeb uas neeg tseem tsis paub zoo yog qhov haze value ntawm qhov ntsiab, uas muaj kev vam tshwj xeeb raws li qhov pab pawg ntawm qhov cua uas muaj kev tshuaj rau hauv qhov ntsiab. Cov ntsiab zoo siab yuav muaj qhov haze tsis txog 2%, uas yog qhov tias neeg pom tsis pom kev loss ntawm qhov pom zoo ntawm qhov duab. Cov ntsiab uas muaj qhov haze zoo li 5% los yog muaj kev pom zoo tsis zoo uas yuav muaj kev tshuaj rau qhov duab uas tau npaj.

Thawv tshuaj: Qhov cim uas tseem ceeb heev

Thawv tshuaj ua rau cov khoom siv hloov, tab sis thawv tshuaj loo li yuav ua rau muaj teeb meem los ntawd thiab, tsis zoo li thawv tshuaj tsis ntau. Ntau lub zog BOPP uas muaj txoj hauv paus tshiab ua hauj lwm zoo tshaj plaws ntawm 130°C thiab 140°C . Saum qhov rov qab no, cov khoom siv hloov tsis tau thawv kom zoo thiab tsis tau hloov, uas ua rau cov khoom siv tsis tau txhawb kom zoo thiab cov khoom siv tsis tau nyuaj kom zoo. Saum 140°C, cov khoom siv hloov yuav pib txhawb lossis txhawb tsis zoo, thiab cov khoom siv hloov yuav pib txhawb tsis zoo, uas ua rau cov khoom siv muaj li cas thiab cov khoom siv hloov yuav pib tshem mus rau saum qhov rov qab ntawm cov khoom siv .

Cov thawv tshuaj ntawm cov khoom siv hloov yuav tseem ceeb li qhov thawv tshuaj uas tau muab xa. Cov khoom siv hloov yuav muaj cov thawv tshuaj zoo li cov thawv tshuaj tsis zoo los ntawm cov thawv tshuaj tsis zoo thiab cov khoom siv hloov uas tsis zoo. Ib lub tsev kho tshuaj nyob rau Texas uas ua hauj lwm ntau yam khoom siv tau pom tias cov khoom siv hloov ntawm qhov saum toj tau thawv tshuaj 8°C ntau dua ntawm qhov saum toj uas muaj cov khoom siv hloov. Cov khoom siv hloov looks zoo li ntawm ib qhov rov qab thiab muaj li cas ntawm qhov rov qab lwm. Ua qhov thawv tshuaj ntawm cov khoom siv hloov kom zoo tau ua rau cov teeb meem tau txiav, tab sis tau tshwm sim rau ob lub neej ua hauj lwm kom pom qhov teeb meem uas tau ua rau

Rau cov ntawv PET, qhov cua txias yuav tshwm sim hauv qhov siab dua—txog 150°C—but qhov kev xav zoo tshaj plaws yog qhov tseem ceeb dua li qhov cua txias ntawd cov khoom siv yuav tsum tau txais qhov cua txias uas yuav tshwm sim rau txhua qhov ntev ntawm qhov cua txias ntawd nyob rau hauv qhov chaw sib koom.

Qhov siab thiab qhov ntau: Qhov lwm lub kaum ntub ntawm qhov teeb meem

Qhov cua txias tsis tuaj yeem ua kom tiav qhov kev sib koom. Cov ntawv yuav tsum nyob rau hauv qhov cua txias rau lub sijhawm ntau dua los ua kom cov khoom siv yuav tshwm sim thiab ua kom nws txhawb rau hauv qhov chaw sib koom. Yog koj ua rau qhov kev sib koom ua haujlwm ntau dua, nws yuav ua rau qhov sijhawm nyob rau hauv qhov cua txias yuav ntau dua, uas yuav ua rau qhov sib koom tsis tiav thiab yuav tsis pom tau rau lub sijhawm thaum ntawd .

Tsis yog li ntawd, yog koj ua rau qhov kev sib koom ua haujlwm ntau dua yuav ua rau cov ntawv tau cua txias ntau dua, uas yuav ua rau cov ntawv yuav tshwm sim qhov tshav thiab cov khoom siv yuav tshwm sim qhov tshav. Qhov siab zoo tshaj plaws yog nyob ntawm qhov kev xaiv ntawm qhov kev sib koom, qhov ntev ntawm cov ntawv, thiab qhov kev tshuaj ntawm qhov chaw sib koom. Cov chaw sib koom uas ntau dua yuav tshuaj cua txias ntawm qhov cua txias ntau dua, uas yuav tshwm sim rau qhov siab ntau dua thiab qhov cua txias siab dua los kom ua tiav.

Kev ntxuag ntaub ntawv kuj muaj qhov tswj yim tshaj plij. Yog tsis muaj kev ntxuag ntau, ces yuav muaj qhov hauv ntaub ntawv uas tsis tuaj noog rau hauv qhov ntaub ntawv thiab qhov ntaub ntawv, uas yuav muaj qhov xwm txheem lossis qhov xwm txheem tsaus. Yog ntxuag ntau ces yuav ntxuag cov ntaub ntawv tshwj xwm rau ntawm qhov ntaub ntawv lossis ua rau qhov ntaub ntawv tsis zoo. Qhov kev ntxuag tseem ceeb yuav pab rau cov ntaub ntawv ntxuag rau hauv qhov ntaub ntawv thiab ua rau muaj kev sib txuas zoo thiab tsis muaj qhov hauv.

Qhov yuav pab tau yog qhov kev ua cov ntaub ntawv ua ntu tsis txaus, thaum ua qhov kev ua ntu tsis txaus, yuav tsum npaj qhov ntaub ntawv, qhov kev ntxuag, thiab qhov kev ntxuag ntau dua thiab npaj qhov kev ua ntu tsis txaus. Qhov no yuav pab rau kev ua ntu tsis txaus rau cov ntaub ntawv uas yuav ua tom ntej.

Cov ntaub ntawv uas yuav ua rau muaj qhov tsis ua tau

Cov ntaub ntawv uas yuav ua rau muaj qhov tsis ua tau yog cov ntaub ntawv uas yuav ua rau muaj qhov tsis ua tau rau qhov kev ua ntu tsis txaus. Cov ntaub ntawv uas muaj cov ntaub ntawv, cov ntaub ntawv tsis muaj cov ntaub ntawv, cov ntaub ntawv uas tsis muaj cov ntaub ntawv, thiab cov ntaub ntawv uas muaj cov ntaub ntawv yuav ua rau muaj qhov tsis ua tau rau qhov kev ntxuag thiab qhov kev ntxuag.

Duab tshuab muaj qhov teeb meem tshaj tawm vim qhov tshuab tuaj yeem ua rau ib qhov kheej kheem ntawm adhesive thiab duab. Yog tias qhov tshuab tsis muaj ntau rau los, adhesive yuav ntxiv rau qhov tshuab ntawm xov xwm tsis ntxiv mus rau hauv duab. Qhov no tsim ib qhov ntxiv uas daws tshaj tawm tab sis yuav tuaj yeem hlawv nyob rau hauv kev sib txuas ntawm xeev ntxoov lossis kev ntxuav ntxiv.

Ib tus neeg tsim duab nyob rau hauv UK tau hloov mus siv duab tshuab tshiab rau lawv cov duab hardcover tseem ceeb. Qhov lamination dav dav daws tshaj tawm thaum tshav tshuaj tsha. Tsis li cas, tib ob hli tom ntej, cov duab tau qhia tias muaj qhov ntsuab dawb—the adhesive tau crystallizing nyob rau qhov chaw sib txuas. Qhov chemistry ntawm qhov tshuab duab tau hloov, thiab adhesive tsis tuaj yeem ntxiv zoo li cas lawm. Qhov txoj cai tau xav kom reformulating qhov adhesive layer ntawm film rau cov duab tshuab no.

Ink coverage yog ib qhov ntxiv tshaj tawm. Heavy ink deposits, tshaj tawm nyob rau hauv cov chaw dav dav, tsim ib qhov ntxoov tshaj tawm uas tsis txhob adhesive wet-out . Qhov tshuaj txiav digital uas muaj ntau cov qhov txiav thiab yuav raug rau qhov tshuaj txiav ntau dua . Qhov adhesive super-sticky yuav ua kom zoo los ntawm kev siv cov chemistry uas tau txiav lawm kom muaj cuab yeej nyob hauv qhov tshuaj txiav . Rau qhov tshuaj txiav ntau heev, kev txhais qhov speed ntawm laminator kom tsis ntau yuav pab cov adhesive nyob hauv qhov tshuaj txiav kom zoo dua.

Cov kev cuam tshuam ntawm lub cia siab thiab kev kho qhov tshuaj

Qhov cia siab thiab qhov humidity hauv qhov chaw ua haujlwm yuav cuam tshuam rau cov film thiab cov khoom sib tw. Qhov humidity ntau yuav pab cov paper muaj dej nyob hauv nws, thiab dej yuav ua ncauj rau hauv qhov lamination thiab ua rau muaj qhov ncauj lossis qhov ncauj ntau. Qhov humidity tsis ntau yuav pab cov paper ua ntau thiab yuav tawg hauv qhov kaum ntawm nws.

Cov film yuav daws dej nyob hauv nws li cas yog tsis kho kom zoo. Cov film uas muaj txoj haujlwm zoo yuav tsum nyob hauv cov khoom sib tw uas tau muab xa tuaj kom tsis muaj dej nyob hauv nws thiab kho hauv qhov cia siab uas muaj dej thiab tsis nyob hauv qhov cia siab ntau. Cov rolls uas muaj dej nyob hauv qhov laminator ntau zaus yuav muaj dej nyob hauv nws lossis muaj dej nyob hauv qhov ntsiab uas yuav cuam tshuam rau qhov adhesive.

Kuam paub zoo rau txhua yam

Kuam raug zoo nrog kev sib xyaw ntawm cov lus qhia thiab cov ntaub ntawv tshuaj tsis muaj kev sib xyaw. Qhov ua ntxiv, saib kom paub tias cov ntaub ntawv tshuaj yog ib yam rau qhov chaw uas yuav siv—cov lus qhia uas siv lub computer yuav tsum siv cov ntaub ntawv tshuaj uas siv rau lub computer, thiab cov lus qhia uas siv lub inkjet yuav tsum siv cov ntaub ntawv tshuaj uas siv rau lub inkjet . Saib kom paub tias cov khoom siv tau muaj kev sib xyaw zoo rau qhov cim tshuaj ua ntxiv rau txhua yam. Siv cov ntaub ntawv tshuaj los ua kev ua haujlwm thiab saib kom paub tias cov ntaub ntawv tshuaj tsis muaj kev sib xyaw, muaj kev sib xyaw, lossis muaj kev sib xyaw nyob rau hauv qhov cim tshuaj.

Thaum muaj kev sib xyaw, yuav tsum kho ib qhov xwb. Qhov cim tshuaj, qhov siab, qhov ntau, thiab qhov ntaub ntawv yog cov qhov tseem ceeb uas yuav tsum kho. Qhia tias txhua yam kom paub tias muaj kev sib xyaw los ntawm kev ua haujlwm.

Cov neeg ua khoom uas muaj kev paub zoo rau qhov kev ua khoom tshuaj tsis muaj kev sib xyaw, piv txwv li EKO Film, tsis yog tsuas muaj khoom—lawv muaj kev paub rau qhov chaw uas yuav siv khoom, uas pab cov neeg ua khoom kom tsis tau kev sib xyaw no . Lub tshuab ntawm lawv cov lamination film thiab thermal thiab qhov ntsuas yuav tsum muaj kev sib twb rau BOPP thiab PET, thiab muaj qhov loj ntawm 17 rau 27 microns, thiab muaj cov digital grade uas nyuaj rau kev sib twb rau kev sib twb ntawm digital print . Qhov kev sib twb ntawm kev sib twb ntawm kev sib twb yog qhov ua rau kev sib twb tsis raug, thiab qhov no yuav pab kev sib twb los ntawm kev sib twb .