Yuav ua li cas xaiv cov luam ntawv number case rau zaj duab xis nplaum cov ntaub ntawv? Dab tsi yuav tsum tau them sai sai rau thaum luam ntawv? Nco ntsoov cov ntsiab lus tseem ceeb no!

Cov ntaub ntawv nplaum zaj duab xis yog ib hom polymer uas nws nto tsis nqus cov luam ntawv number case. Cov txheej txheem ziab kom qhuav rau cov ntawv luam tawm ntawm qhov chaw ntawm cov ntaub nplaum zaj duab xis muaj xws li evaporation, coalescence, cross- txuas, thiab kho, uas yuav luag tsis muaj kev nkag mus, uas txawv heev ntawm daim ntawv -raws li cov ntaub ntawv nplaum. Lub zog saum npoo ntawm cov ntaub nplaum zaj duab xis yog qhov tsawg, thiab yuav tsum tau pretreatment ua ntej luam ntawv kom tau raws li qhov xav tau ntawm cov ntaub ntub dej thiab qib ntawm tus number case; txwv tsis pub, muaj teeb meem xws li tus cwj mem tsis zoo tuaj yeem tshwm sim.Kev xaiv thiab Daim Ntawv Thov ntawm Printing Ink01Siv inks, varnishes, thiab additives tshwj xeeb uas tsim los rau kev luam ntawv zaj duab xis Muaj ntau ntau hom inks, thiab qee qhov tshwj xeeb yog tsim los rau cov ntaub nplaum zaj duab xis, lossis txawm rau ib yam ntawm cov khoom nplaum zaj duab xis. Yog li ntawd, tus number case yuav tsum tau tshwj xeeb thiab siv tau tshaj varnishes thiab additives; Txwv tsis pub, kev tsis sib haum xeeb ntawm tus cwj mem thiab lub substrate tuaj yeem ua rau muaj teeb meem luam ntawv zoo thiab ua rau cov number case txheej tev tawm.02Siv cov inks uas phim cov txheej txheej ntawm cov khoom siv zaj duab xis los ua kom cov number case txheej adhesionRau cov ntaub ntawv coated, cov inks nrog cov khoom sib xws yuav tsum tau xaiv; txwv tsis pub, tus number case yuav tev tawm. Yog tias tus number case raug xaiv kom raug, cov resins hauv tus number case yuav ruaj khov nrog cov resins hauv txheej, thiab txawm tias tus number case tsis qhuav tag, cov txheej number case yuav tsis tev tawm. Piv txwv li, lub tuam txhab luam ntawv daim ntawv lo pom cov txiaj ntsig tsis zoo thaum siv Hanghua 161 tus cwj mem rau qee yam khoom, tab sis tom qab hloov mus rau VP tus cwj mem ntawm tib hom, cov txiaj ntsig tau txhim kho thiab cov teeb meem ntawm tus number case tev tau raug daws.

03

Tswj cov txheej number case thickness, thiab yog tias tsim nyog, siv cov txheej txheem overprinting.Qee cov ntaub ntawv luam tawm yuav tsum tau ib co thickness ntawm tus number case txheej. Thaum tus number case txheej yog tuab, tsis tiav ziab ntawm tus number case tuaj yeem ua rau number case shedding. Qhov kev daws teeb meem zoo tshaj plaws yog siv tshuaj ntsuam luam ntawv thiab gravure printing. Rau cov chaw luam ntawv yam tsis muaj cov xwm txheej no, siv tib yam - xim number case rau ob chav luam ntawv tuaj yeem txiav txim siab. Txoj kev xyaum ib txwm yog thawj zaug luam tawm ib txheej nyias ntawm tus number case, thiab tom qab nws qhuav tag, luam tawm dua rau saum npoo. Tom qab ob lub tshuab luam ntawv, nws tsis tsuas yog txhim kho cov number case txheej thickness, tab sis kuj daws cov teeb meem ntawm tus number case adhesion, ua tau raws li cov txheej txheem yuav tsum tau. Thaum tus number case dries maj mam, ib qho me me ntawm cov drier tuaj yeem muab ntxiv los ua kom qhov ziab kom nrawm.05Ua kom tus number case ziab los yog kho lub zogRegular cleaning of the number curing device and periodic change of UV lamps are the key to ensure the complete curing of UV number. Tsis tu ncua xyuas qhov ua tau zoo thiab qhov xwm txheej ntawm UV curing ntaus ntawv nrog cov cuab yeej lossis cov ntawv xeem, thiab kho cov txheej txheem number case thickness thiab luam ntawv ceev raws li cov ntaub ntawv no kom ua tiav cov txiaj ntsig luam ntawv zoo tshaj plaws.06Control printing ceev rau ntau xim luam ntawv thiab xyuas kom meej tias number case txheej yog qhuav rau ntau xim luam ntawv, siab - ceev luam ntawv tsis pom zoo. Nws raug nquahu kom tswj kev luam ntawv nrawm li ntawm 30-50 m / min kom ntseeg tau tias cov txheej number case qhuav tag thiab txo cov khoom pov tseg.Kev tshem tawm cov hluav taws xob zoo li qubStatic hluav taws xob yog ib qho tseem ceeb uas ua rau muaj teeb meem zoo thaum luam ntawv ntawm tus kheej -cov ntaub ntawv nplaum. Tshem tawm qhov zoo li qub thiab ua kom nws tswj tau yog qhov tsim nyog hauv kev luam ntawv ntawm tus kheej -cov ntaub ntawv nplaum. Kev tshem tawm cov khoom zoo li qub muaj ob qhov yuav tsum tau ua rau cov tuam txhab luam ntawv: ib qho yog ib puag ncig, thiab lwm qhov yog ntxiv cov khoom siv tshem tawm zoo li qub rau cov khoom siv.01 Kub thiab av noo tswj qis kub thiab qhuav yog lub ntsiab ua rau static. Thaum lub tshuab luam ntawv qhov kub thiab txias yog nyob ib ncig ntawm 22℃thiab cov av noo siab tshaj 50%, qhov hluav taws xob zoo li qub ntawm zaj duab xis tus kheej- cov ntaub nplaum yuav ploj lossis txo kom tsawg. Yog li ntawd, kub thiab av noo yuav tsum tau tswj nyob rau hauv lub rhiav ntau lawm. Lub rooj cob qhia yuav tsum tau nruab nrog qhov ntsuas kub thiab av noo tas li. Cov tuam txhab uas tsis muaj cov xwm txheej zoo li no tuaj yeem txiav txim siab cais cov khoom siv luam ntawv, xws li tsim kom muaj chav iav me me los tsim ib qho chaw luam ntawv zoo tagnrho. Tam sim no, qee qhov me thiab nruab nrab- cov tuam txhab luam ntawv loj nyob rau sab qaum teb Tuam Tshoj feem ntau siv cov qauv no los tswj qhov zoo li qub nrog cov txiaj ntsig zoo.02Nruab cov cuab yeej tshem tawm zoo li qub Muaj ob hom kev tshem tawm zoo li qub. Thawj hom yog hluav taws xob, uas siv ntau cov ions tsim nyob rau hauv hluav taws xob los nqus, nruab nrab, thiab tshem tawm cov hluav taws xob dawb ntawm cov yeeb yaj kiab saum npoo kom tshem tawm qhov zoo li qub. Qhov thib ob yog hom kev tso tawm, uas tuaj yeem ua haujlwm yam tsis muaj lub zog, raws li qhia hauv daim duab 1. Thaum cov yeeb yaj kiab dhau los ntawm cov hlau hlau (tseem hu ua txoj hlua tiv thaiv -} zoo li qub), cov hluav taws xob ntau dhau ntawm cov yeeb yaj kiab saum npoo yog tawm mus rau hauv av ntawm cov hlau hlau. Vim tias lub peev xwm ntawm cov hlau hlau yog qis dua qhov muaj peev xwm ntawm cov hluav taws xob dawb ntawm cov yeeb yaj kiab saum npoo, dhau los ntawm cov hlau hlau tawm tuaj yeem tshem tawm cov hluav taws xob zoo li qub ntawm cov yeeb yaj kiab.

Daim duab 1 Schematic daim duab ntawm qhov tso tawm- hom static eliminatorStatic eliminators yog cov cuab yeej siv tau zoo siv hauv cov txheej txheem luam ntawv ntawm nyias zaj duab xis tus kheej- cov ntaub nplaum. Lawv tuaj yeem muab tso rau ntawm ntau txoj haujlwm ntawm cov khoom siv luam ntawv raws li xav tau. Raws li pom nyob rau hauv daim duab 2, static eliminators raug ntsia ua ntej thiab tom qab tuag- chaw txiav. Thaum txhim kho static eliminators ntawm lub tshuab luam ntawv, cov teeb meem hauv qab no yuav tsum tau muab sau tseg: Cov khoom siv yuav tsum tau muab tso rau hauv av, vim tias qhov av tso cai rau hluav taws xob zoo li qub rau hauv lub ntiaj teb; lub static eliminator nws tus kheej kuj yuav tsum tau grounded, thiab nws yuav tsum tau grounded nyias kom ua tau ib tug zoo static tshem tawm cov nyhuv; txij li cov hluav taws xob zoo li qub tau tsim tawm tsis tu ncua, yog tias muaj kev tso cai, cov khoom siv hluav taws xob zoo li qub yuav tsum tau teeb tsa ntawm txhua qhov chaw ua haujlwm ntawm cov ntawv luam ntawv, suav nrog cov ntawv pub mis, txhua qhov chaw luam ntawv thiab chaw ua haujlwm, thiab cov chaw khaws ntaub ntawv, kom tau txais txiaj ntsig zoo tshaj plaws; cov kev ua tau zoo ntawm kev tshem tawm zoo li qub yuav tsum tau kuaj xyuas tsis tu ncua kom ntseeg tau tias qhov kev tshem tawm zoo li qub.

Daim duab 2 Tuag-txiav thiab pov tseg cov khoom siv nrog cov khoom siv hluav taws xob kho hluav taws xob tau teeb tsa Kev ceev faj rau Kev Luam Ntawv ntawm Cov Khoom Siv Zaj Duab Xis01 Tswj Cov Ntawv Luam Tshab Rau cov ntawv sib cuam tshuam thiab rov ua dua daim ntawv- pub cov khoom siv luam ntawv, nws yooj yim los tswj cov ntawv- pub tensioning. Piv txwv suav nrog Nyiv Lindetec's B-100 daim ntawv lo tshuab luam ntawv thiab 300-lub tog raj kheej{11}}rau-lub tog raj kheej daim ntawv lo tshuab luam ntawv. Cov khoom siv no yog qhov tsis tu ncua - cov tshuab luam ntawv nro nrog kev ruaj khov, uas tsis cuam tshuam rau kev sau npe. Txawm li cas los xij, rau daim ntawv txuas ntxiv- pub cov tshuab luam ntawv teb, xws li cov tshuab flexo thiab satellite label tshuab luam ntawv, nws yog ib qho tsim nyog yuav tsum tau tswj nruj nruj thiab kho qhov nro ntawm cov ntawv luam tawm, txwv tsis pub kev sau npe tsis raug cai yuav tshwm sim. Kev tswj nruj ntawm lub tshuab luam ntawv suav nrog kev tswj ob daim ntawv - noj nro thiab rewinding nro. Cov no yuav tsum tau hloov kho raws li ntau hom thiab qhov dav ntawm cov ntaub ntawv kom ntseeg tau tias kev luam ntawv ib txwm muaj.(1) Daim ntawv- Pub Nrho Cov Ntawv Nrho Daim Ntawv Pov Thawj- pub nro kom ntseeg tau qhov tseeb ntawm cov ntawv nplaum cov ntaub ntawv thiab tiv thaiv cov khoom deformation thaum luam ntawv, lub ntsiab lus ntawm cov khoom ntug tsis qaij. Yog hais tias cov npoo ntawm cov khoom nce thaum lub sij hawm luam ntawv, nws qhia tau hais tias lub rewinding nro yog xoob dhau los yog lub taper yog teem tsis raug. Cov ntaub ntawv yuav tsum tau rewound thiab reprinted. Yog tias cov khoom siv rewinding tsis muaj, ib qho kev daws teeb meem ib ntus yog los nruab ib lub clamp ntawm lub unwinding ncej los tiv thaiv cov khoom ntawm cov npoo ntawm qhov nce. Txawm li cas los xij, cov teeb meem kev sau npe tseem tuaj yeem tshwm sim nyob rau hauv rooj plaub no.(2) Rewinding Tension ControlRewinding nro kuj tseem cuam tshuam nrog kev luam ntawv sau npe thiab txiav txim siab qhov zoo ntawm cov npoo rov qab. Yog tias qhov nro rewinding tsawg dhau, nws cuam tshuam rau kev sau npe thiab ua rau cov npoo tsis sib xws, uas tuaj yeem ua rau muaj teeb meem hauv cov txheej txheem tom ntej. Kev nro rewinding ntau dhau tuaj yeem ua rau cov nplaum nplaum ntawm cov khoom siv, cov ntawv xa tawm, lossis cov kab tawg tom qab luam ntawv, uas cuam tshuam rau kev luam ntawv. Yog li ntawd, qhov tsim nyog rewinding nro yog ib qho tseem ceeb, thiab qhov zoo ntawm qhov nro feem ntau yuav tsum tau txiav txim siab los ntawm kev sim.Rau daim ntawv txuas ntxiv -cov tshuab pub mis, ob qho tib si ntawv pub mis thiab rewinding tensions yuav tsum tau tswj kom zoo. Tom qab ua tiav kev luam ntawv tsim nyog nrog cov ntaub ntawv sib txawv thiab qhov dav, cov ntaub ntawv no yuav tsum tau muab sau tseg tam sim ntawd thiab sau cia kom ua tau zoo thiab ua kom zoo. Feem ntau, rewinding nro yuav tsum sib npaug los yog ntau tshaj qhov tsis sib xws, tab sis tsis pub tshaj ob zaug ntawm qhov tsis sib haum xeeb.02Siv Varnishing Hloov Laminating Txhua hom khoom siv zaj duab xis muaj cov yam ntxwv ntawm lub cev thiab tshuaj lom neeg; qee qhov tsis haum rau lamination. Laminating tom qab luam ntawv tuaj yeem rhuav tshem cov khoom siv. PE cov ntaub ntawv muaj ib tug mos nto, haum rau cov khoom uas loj curvature radii los yog spherical nto. Cov ntaub ntawv laminating feem ntau siv yog tawv BOPP zaj duab xis, thiab ib zaug ib daim ntawv laminated sib xyaw ua ke PE thiab BOPP, nws cov khoom raug hloov pauv, ua rau nws tsis haum rau qhov chaw nkhaus lossis kheej kheej.Qhov kev sib xyaw ntawm ob cov ntaub ntawv kuj tseem tuaj yeem ua rau tsis sib haum, ua rau daim ntawv deformation thiab teeb meem xws li ntug lifting lossis detachment thaum siv. Yog li ntawd, rau cov ntawv loj hauv cheeb tsam thiab cov ntawv sau rau ntawm qhov chaw nkhaus, nws raug nquahu kom siv UV varnishing es tsis txhob lamination. Varnishing tsis tsuas yog tiv thaiv cov txheej number case xwb tab sis kuj ua rau cov khoom siv ua tau zoo rau kev pom zoo.

03

Nws raug nquahu kom siv 150 lpi rau luam ntawv xim halftone ntawv, thiab 175 lpi tsis pom zoo.

Cov ntawv lo thaum kawg nyiam cov neeg siv khoom txaus siab los ntawm kev thov txee. Rau cov ntaub ntawv luam tawm, qhov siab dua qhov halftone screen zaus, qhov pom tseeb ntawm cov duab thiab cov ntawv nyeem, tab sis tus cwj mem npog tsawg dua, ua rau cov xim sib dua; qhov qis dua ntawm halftone screen zaus, tus number case ntau yog siv, muab qhov pom kev zoo dua, tab sis cov duab thiab cov ntawv tshwm rougher.

Lub halftone screen zaus kuj tseem cuam tshuam ncaj qha rau kev luam ntawv zoo, luam ntawv pov tseg tus nqi, qhov tseeb ntawm cov khoom siv luam ntawv, thiab cov ntaub ntawv luam tawm. Lub vijtsam ntau dua yuav tsum muaj cov ntaub ntawv smoother thiab siab - cov cuab yeej ua kom tau raws li qhov xav tau zoo; ib qho screen qis dua muaj ntau yam kev kho mob. Yog li, qhov kev xaiv zoo tshaj plaws rau cov ntawv sau zaj duab xis yog 150 lpi xim halftone. Qhov no tsis yog tsuas yog ua tau raws li qhov xav tau ntawm qhov muag pom thiab cov txee rau qhov yuav tsum tau ua tab sis kuj ua kom zoo luam ntawv zoo, tswj kev noj nyob rau hauv qhov tsim nyog, thiab ua tiav qhov sib npaug.