Domov technika Rainbow printing

Rainbow printing



Processintroduction

Itisbasedoncommercialpaperprintingrequirementsandcanprintmultiplecolorsatonce.Themaincolororbackgroundofthepatterniscomposedofdifferentcolors,butthecolorchangeoflinesorimagesisgraduallytransitioned,withoutobviousboundaries,justlikethegradientofthesevencolorsofthesky,soitiscalledrainbowprinting.Thecolorofthebackgroundshadingonthefrontofmycountry'shundredyuanrenminbihasgraduallytransitionedfromorangeandyellowtoorange,green,andblue,andthistechnologyhasbeenappliedtothesecondgenerationofIDcards.

Effect

Rainbowprintingeffectisdifficulttoachievebymulti-coloroverprinting,anditisdifficulttoseetheexactpositionofthepartitionsofeachcolorintheinkfountainonthecommercialpaper.Itisalsodifficulttodeterminethespacingofthepartitionswiththemethodofrainbowprinting,whichincreasesthedifficultyofcounterfeiting.Ifthisprocessisusedonalargeareaof​​shading,itsanti-counterfeitingeffectwillbemoreobvious.

Printingprocess

Single-platemulti-colorprintingprocess:Single-platemulti-colorprintingmeansthattheinktankisdividedintoseveralparts,andthendifferentinksareplacedseparately,andtheinkispassedthroughaseriesofrollers.Whentheinkisrolled,theedgesofthevariousinkshavebeenkneadedtogetherwhentheinkreachesthePS,andtheprintedpatternislikearainbow.Heisover-differentiationofsolidink,verysaturated,andtheeffectisbetterthanfour-colordots,butitcanonlydoverticaldifferentiation,notpartial.

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