Ofsetový tisk

IntroduCtion

INTHIRTDSETOFRENMINBI, 1960VERSIONOF „REDONECORNER“ ANDALLBANKNOTESABOVEONEONEYUANAREPRITTEDWITHITNAGLIOPRINGONTHONTHONTHANDANDS.ThErEmAninG1,2 A5jiAoBAnknotEswEinitiAllyintAGlioPrintEDEthEFrontAndoFFSEtPrintEDEnthEbACk.Později, s vývojEm EConomiCDEvElmEnt, ThE PurChinGPowEroF1,2 A5jiAoBAnknotEsbECAmElowErAndlowEr, AndnoonEwAsinGtoForGEit.Proto iNordErTorEduCEPrintinGCosts, ThEBAnkNotEprintinGPlAntChAnGEdthEREdFontFACEstolowEr-CostoFFsEtPlAtEs.ThEEArlyintAGlioCornErCoponSArEFEwinstoCk A AthEriCEisoFCoursEmorEExPEnsivEthAnoFFSEtCornErnErnErCoupons.

ThEdistinCtionBEt MEzi "GrAvitur" A "oFFsEt" CAnbEJudBEdbyLookinGAtthEColorAndThrEE-DimEnsionAlSEnsEoFThEPAttErnnn.Pokud jsou ComporEthEtEsEtWobAnkNotEs, thEdiFFErEnCEsvEryobviousAndEAsyTojudGE.Kromě toho, pro zAčátEčníky, YouCAnAlSEthEFollinGtwomEthods: Firsts „dotyk“.ThEsixArACtErs "PEoplE'sBAnkoFChinA" onthEFrontoFTEintAGliorEnminBihAvEAvEryAvEryoutViousProtrudinGFEElinG.AslonGAsyouGElyTouChitwithyourFinGErFromlEFtToriGht, youCAnClEArlyFEElthEAChChACtErisrAisEd.ThEsECondis "LookATTHEEDGE".IntAGlioprintEdCArACtErsAndPAttErns, ThE EdGEsOFThElinEswillhAvEsmAll "Burrs" EAGEbyinkDiFFusion, ktErý jE možné.ThE EdGEsOFOFFSEtPrintinGLinEsArEsMooth.

PrinCiplEAndtEChnoloGy

BAsiCprinCiplE

PrinCiplEoFimmisIsCibilityOloilAndwAtEr;

PrinCiplEoFSElECtivEAdsorptionOFprintinGplAtE;

PrinCiplEoFdotColorFormACE;

PrinCiplEoFindECtPrintinG.

ThEChoiCEoFovErprintinGortrAppinG

Pokud jE uvEdEn, itisEAsytoExposEwHitEAnDAFFECtthEAppEArAnCE, AčkolivprintinGisEAsytosmEArthEbACkDuEtothEthiCkLAyEr, sissinGlEwEtprEssAndDryPrintinGOnColorMAChinESthousEovErPrintinG, AndwEtprEssAndwEtonMoLormAlMoLormAlMoLormAlCoLormAlColMultiCoLormAlMultiCoLormAlMultiCoLormAlMultiCoLormAlColMultiColMultiCoLormAliColMultiColMultiColMultiCoLormAlMultiColMultiColMultiCoLormAlCulToNEtrAtinG;

WEtprEssOvErPrintinGMAkEintoACCountthEpropErtiEsOFthEink, AthEvisCositylAdhEsioFthEFirstPrintEDinkMustBElArGErthAnthEpost-PrintEdink, OthErWisEthEpost-PrintEdinkwillhAvErEvErsEovErPrintinGPrintinGprintinGprintinGprintinGprintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintinGPrintitinG.Potištěný inkoust musí mít tAké vyšší průhlEdnost;

WhrintinGGoldAndSilvErinConCoAtEdPApEr, tiskGoldAndSilvErinConwhitEpApErbyTrAppinGMEthodisbEtthAnPrintinGGoldAndSilvErinkonwhitEpApEr.ThEColorsoBtAinothErTothErbACkGroundColorsAppEArthiCkErAndpur;

WhEnprintinGblACk,iFthErEisonlyAlArGEArEAoF​​solidimAGEsonthEblACkplAtE,usEthEmEthodoFtrAppinGtoinCrEAsEthEAmountoFinkonthEblACkplAtE.ThEinkColobTAinEdByPrintinGonPApEristhiCkErthAnthAtobTAinEdByovErPrintinGoNothErSoLidbACkGroundColors.NiCméně, přEtiskujíCí sEGEnErálně používAný.

INordErtoEnsurEthAtThETRAPTEDPLAPTESCorEdBEEdThEinklAyErbEhind, thEtrAppinGvolumEisusUsUsAlsEdBEAsEdBy0.03 ~ 0.05MMonthEBAsisoFThErEGistrAtionACCurACyoFThEdEviCE.Pokud jE torEGistrAtionACCurACyis0.15 mm, thEtrAppinGpArtisGErAlly0.18 ~ 0.20mmlArGEr.

Four-ColorprintinG

WhEnusinGthEFour-ColorprintinGproCEss,iFthErEisAlArGEArEAoF​​blACksolid,bECAusEthEinksoliddEnsitydoEsnotExCEEd1.8,printAlArGEArEAoF​​blACksolidwiththisdEnsity,WilllACkAthiCkvisuAlEFFECt,thECommonmEthodistoovErprintAbout40%oFthECyAnonthElArGEblACksolidpArt.

AnGlEsElECtion

THEREEREFORAGLESFORTWORKCABLETOCHOOSEFOM, 15 °, 45 °, 75 °, 90 °.

ČtyřbArEvný prst, thEmAinColorisGErAlly45 °, oni bEllowvErsionisAwEAkColor, volEb90 °;

TříbArEvný otisk, obvyklE 30 °, 60 ° A 90 ° úhEl;

DvoubArEvné přEtišEní, obvyklE 45 ° A 90 °;

InsnotColorPrintinG, jEdnobArEvné printinGorsinGlE-ColorGrAdAtionSolidprintinGisEisEd, AthEGrAdAtionVErsiosEs45 ° thECornErsArEusmorEBEAutiFul;

Síť 45 ° HASTHASTHESTVISUALEFFECT.ItisGEnErAllyusEdstoshowthEskinColoroFthtHEChArACtErs, AndshostlyusEusEdsinmAGEntA;

ThEskElEtonThAtChonTitTitTETEsthEEntirEpiCturEIsGEnErAlly15 °, 75 °.

SpotColorprintinG

OnEproduCtusEsFour-ColorprintinGAndspot-ColorprintinGAtthEsAmEtimE:thEFour-ColorprintinGpArtCAnCorrECtlyrEstorEthEpiCturEbyControllinGthEsoliddEnsity,AndthEbACkGroundColorpArtisinCrEAsEdbyAppropriAtElyinCrEAsinGthEinkThEAmountoFinktoobtAinAuniFormAndthiCkvisuAlEFFECt.

IFTHEElECtroniCFilEOrFilmprovidEdBythECustomErisinDitionTothECmykFourColorsplus2 ~ 3SpotColors, AndonEoFThESpotColorinksCAllArEA, itisEAsytomAtChwithCmyk, youCAnsubtrACtthisspotColor.IFthEoriGinAlmAnusCriptprovidEdbythECustomErisonlyCMYKFour-ColorovErprintinG,butitshuEisdiFFiCulttoControlinACtuAlprintinG,suChAsCyAnAndmAGEntAovErprintinGintopurplE,iFthEAmountoFCyAninkislArGE,itwillbEComEbluE,AndiFthEAmountoFmAGEntAinkislArGE,itwillbEComErEd.AtThistimE, YoumAywishToChAnGEthistospotColorpurplEvErvErsion.PřEstožE jE uvEdEno, ThEPrintinGPrEpArAtionTimEisShortEnEd, ThEprintinGSpEEdisinSisEd, AthEEControlisstAbilizEd.

WAtErlEssoFFsEtprintinG

PrinCiplEoFPositivETypEwAtErlEssOFFSEtPrintinG: itisComposEdosEoFAlumininumplAtEbAsE, dnowylAyEr, photosEnsitivErEsinlAyEr, silikAGEllAyErAndCovErFilm.Po vyloučEní, ThEsiliCAGEllAyErinthEliGht-vidiblEPArt (BlAnkPArt) thEPrintinGplAtEUnDurnGoEsAbridGinGREACtionForphoto-CrosslinkinG;.SinCEthEphotosEnsitivErEsinLAyErisink-přátElská, AthEsiliCAGEllAyErinthEnon-GrAphiCPArrEpElsthEink, thESElECtivEAdsorptionOFthEinkInsComplEtEtEdtEd.

WAtErlEssOFFSEtPrintinGIsvEryDAndinGonthEEnVironmEnt: thEtEtEmpErAturEoFthEprintinGworkshopis23 ~ 25 ℃ A thEinkwillsOlidiFyWHEnthETopErAturESlow; iFthEtEmpErAturEishiGh, ThEpAstEFAilurEwilloCCur.NEpřiprAvování, itisDiFFiCultTodEContAminAtEthEwAtErlEssOFFSEtPrintinGPlAtEAFtEritGEtsdirty.

GoldAndsilvErinkprintinG

WhEnFour-ColoroFFsEtPrintinG, usEmEdium-hArnininG, AputthEshorttononEAndthinprintinGinklAyErEnthEprEviousUnitoFThEGoldAndSilvERinkAtthEsAmEtimEtimEmEtimE.VElkýKVOLUME;

Použití monoChromEoFFsEtPrintinG "WEtprEssDry" hAsmorEAdvAntAGEs: FAstdryinG, silnéGlossoFprintEdproduCts, GoodvisuAlEFtECts Atd..NEutrAloroFtlininGCAnbEusEd, s použitím lEnEutrAllininG, s čArEstiCRubbErClothEm, pluslininGClothorCArdboArd (hArdnEssisBEttEr), ThEprEssurEishliGhtlyIndErAsEdthEEFEFFECtisvEryGood.ThEsEmi-FinsEdproduCtshotbElEFtForonGTimE všAk jinAk, jinAk budE možné, žE budE náslEdně nArušEnColorinktoFAilTobEprintEd;

REdpotionshotbEusEdForthEdAmpinGtoAvoidoxidAtionREACtion A „lidE“ práškové bunbEusEusEdstEAd; itisBEsttousEAlCoholColodAmpthEplAtE;

ThEinFluEnCEoFPrintinGSpEEdonPrintinGPrEssurE

TomAkEthEink-CoAtEdGrAphiCSonthEprintinGPlAtEClEARtrAnsFErtothEsurFACEoFThEsubstrAtE.ThE AmUstBEsFuCtivEntPrintinGPrEssurE.NiCméně, ThEAppliEdPrintinGPrEssiEsHouldNotBEtoolArGE.NAdměrné PRISTINGPRESSUREWILLCAUSETHESUBSTRATETOCONTUETODEFORM, THILKESTENTHEPRINT, MERGETHEDOTS A PASTETHETHEPL.AtThESAmEtimE, itwillinCrEAshEthEAbrAsionoFThEprintinGPlAtE.ThEPrintinGinGEndurAnCEoFTHEpintinGplAtEdECrEAss.WhEnthEprintinGprEssurEisinSiCEnt, thisNotsCuEntiEnTAndrEliAblEContACtbEtwEEnthEprintinGplAtEAndthEblAnkEt, AndthEimprintwillbEComEliGhtEr, ktErý zhodnotí.

PrintinGColorsEquEnCEArrAnGEmEnt

ObECněInTECAsEoFwEtprEssurE, thEColoroFThEinkprintEdFirstisdominAnt.ForExAmplE, IFTHEColorisPrintEdFirst, thEColoroFThEovErPrintWillbEbluE.; PrintMAGEntAFirstAndynTyAn, ThEovErPrintColorwillbErEddish.InthECAsEoFwEtprEssinGAnddryinG, thEColoroFThEPost-PrintEdinkInsisdominAnt.FromnAptiCAlpointOFViEw, CmykColorsEQuEnCEshEusEdForwEtprEssAndWEtPrintinG.

ZA normálníCh okolností, ForwArm-tonEdprintshAtArEmAinlyPorTRitPAintinGs, thEColorEsEquEnCEsHouldbEblACk, Azurová, purpurová A žlutá;

Tisk zAložEný nA přEdpovědi, ThEPrintinGColorsEQuEnCEsHouldSholdbEblACk, purpurová, Azurová A žlutá;

ThEPrintinGColorsEquEnCEoFTEtwo-ColormAChinEisCyAn+MAGEntA, čErná+žlutá A AthEColorsEquEnCEoChromAtiCromAtiCMAChinEPrintinGTynsEAn, purpurová, žlutá, blACkorblACk, Azurová, purpurová, žlutá (obvyklE kdyblACkplACkplAtEiSAsEtEton, blACkisprintEdbErEd);

INordErToFACilitAtEovErPrintinG, stisknětE stisknutém..8um - CyAnink0.9um - mAGEntAink1.0um - yEllowink1.1um;

UspořádáníKisCisosityInsCEnsCEndinGOrdErPrintinGColorsEquEnCE, tAkový, tAkový.S - CyAnink488PA.S - MAGEntAink477PA.S --yEllowink147PA.s.IFhEinkvisCosityCAnnotmEEtThEArRAnGEmEntREquirEmEnts, thEinkvisCosityCAnBEAdjustEDinAdvAnCE;

ThEinkwithAsmAllCovErAGEArEAshouldbEprintEdFirst, AthEdArkinksHouldbEprintEdFirst (protožEFitshiGhvisCositylArGEHidinGPowErtoidsMEArinGonThEbACk);

WhrintinGwithuvink, protožE oFitshEGrEEGrEEoFAbsorptionoFuvphotonsissiFFErEntní, výslEdné propojEní.

MAttErsnEEdinGAttEntion

A.TrytoAvoidsElECtinGdotsthAtArEtoosmAllForthEColorbloCkovErprintinG,suChAsFlAtdotsbElow20%.BECAusEthEColorbloCksComposEdoFsmAlldotsArElikElytobEpArtiAllyExposEdtoliGhtduEtoinsuFFiCiEntAirAbsorptionorthEAdhEsionoFsmAllpArtiClEsonthEGlAssoFthEnEGAtivEFilmAndthEGlAssoFthEExposurEmAChinEdurinGprintinG;ExCEssivEwAtErContEntdurinGprintinGislikElytoCAusEthEblAnkEttoliGhtup.DirtyorAbrAsionoFthEprintinGplAtECAusEsthEplAtEtodrop.ThEAbovEtworEAsonswillCAusEthEinkColoroFthEColorbloCktobEunEvEn.AsForthEdotsbElow5%,thEordinAryoFFsEtprintinGproCEssisdiFFiCulttorEstorE,AndshouldbEAvoidEd.

b.AtthEsAmEtimE,thEovErprintinGColoroFthEColorbloCkshouldtrytoAvoidusinGAlArGEpErCEntAGEoFdots,suChAsFlAtdotsAbovE80%.BECAusEthEColorbloCksComposEdoFlArGEdotsArEEAsytopAstEinthEprintinGproCEss,thEwAtErsupplyissliGhtlyinsuFFiCiEntorthEblAnkEtGEtsdirty.AsFormorEthAn95%oFthEoutlEts,itshouldbEAvoidEd.

C.ItisnECEssArytoAvoidovErprintinGColorbloCkswithtoomAnyColorsorhiGhpErCEntAGEdots,AsitisEAsytosmudGEthEbACksidEduEtothEthiCkinklAyEr.

d.WhEnusinGspotColorprintinGproCEss,trynottoChoosEColorbloCksthAtrEquirEtoomAnybAsiCColorinks.MixinGtoomAnykindsoFinkswillGrEAtlyinCrEAsEthEdiFFiCultyoFblEndinGinks,whiChnotonlyinCrEAsEsthEinkblEndinGtimE,butAlsomAkEsitdiFFiCulttoblEndColorswithsimilArhuE.

E.WhEnusinGspotColorstoprintAlArGEArEAoF​​ACErtAinColor,trytoAvoidusinGthAtColortoprintsmAllrEvErsEdtExtAndlinEsAtthEsAmEtimE.BECAusEprintinGAlArGEArEAoF​​solidlAndtEndstoinCrEAsEthEthiCknEssoFthEinklAyEr,thEthiCkErinklAyErisEAsytosprEAd,butitwillCAusEsmAllinvErtEdtExtAndlinEstopAstE.

F.ForthEtExt,inthEmiddlEoFthEFiEld,printsmAllrEvErsEwhitEChArACtErs,AndwEshouldtryourbEsttorECommEndthAtCustomErsChoosEboldFonts.

G.WhEnthEprintinGisFullAndsolid,thEprintinGplAtElEFtAFtErthElAstprintinGCAnbEusEdtostopthEwAtErsupplyinstEAdoFspECiAlplAtEmAkinG.HowEvEr,bECAusEthEphotorEsistinthEGrAphiCpArtoFthEPSplAtEAndthEAluminAinthEblAnkpArthAvEAsliGhtlydiFFErEntinkAdsorptionCApACity,itisbEsttousEAComplEtElyhollowFoldwhEnprintinGColorswithstronGColorrEndErinGpropErtiEs(suChAsdArkbluE)onthEFullpAGE.PrintinGplAtE.

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