Engraving intaglio

Classification

Anintaglioplatecarvedbyhandormechanicalmethod.Dividedinto3categories:â‘ Manualdirectengravingintaglio.Drawortransferthebasepatternonacopperorsteelplate,andthenuseacarvingknife,carvingneedle,embossingroller,etc.todirectlyengravethegraphicsandtextalongthepatterncontourlinebyhand,removethedebrisonbothsidesoftheline,anduseatriangularscraperAndcalenderkniferefurbishment.â‘¡Etchingintaglio.Aftercoatingtheanti-corrosionfilmontheplate,useasteel-pointedneedletomanuallymarkthedotsandlinesonthefilm,exposingthemetalsurface,soakitinthecorrosivesolutionforamoment,andthencoatthecorrespondingsmalldotsandthinlines.corrosion.Ifthecoatingfilmiscorrodedrepeatedly,thedotsandlinesofthepicturesandtextswillreachdifferentthicknessesanddepthsduetothecorrosiontime.â‘¢Machineengravedintaglio.Anintaglioplatethatisetchedaftermechanicallyengravingorscribingtheresistfilmontheplatematerial.Therearepatternengravingmachine,embossingengravingmachine,parallellineengravingmachineandzoomengravingmachineandsoon.Theelectronicengravingmachineusesacomputer-controlledengravingknifetodirectlyengraveonthemetalsurfaceofthedrum,orusealaserbeamtoengraveonthesurfaceoftheplasticlayerofthedrum.

Printingvaluablesecurities,usingtheoriginalplateofengravingintaglio,andcopyingtheprintingplateforgravureprintingbypressingmethodorelectroplatingmethod.

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