Method for manufacturing gravure with laser anti-counterfeit lines
A manufacturing method and laser anti-counterfeiting technology, applied in the field of printing and dyeing rollers, can solve the problems of easily broken lines, few dots, unreal and false lines, etc., and achieve the effect of continuous lines and thick lines.
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[0014] The master roll of the present invention is 600 mm long and 233.50 mm in diameter. The manufacturing method of the present invention will be further described below.
[0015] For mechanical processing, the mother roll has a processing length of 750 mm and a diameter of 233.50 mm.
[0016] For copper plating, the surface of the mother roll is plated with 1 wire of nickel at the bottom, and then 12 wires are plated with copper on one side.
[0017] Grinding and polishing are carried out after the copper plating is completed to ensure the surface finish.
[0018] Manuscript production, according to the customer's requirements, through the computer software to draw the pattern, the line thickness is less than 0.06 mm, draw with a dashed line; the thinnest line is set first, the thickness of the thinnest line is not less than 0.02 mm, and the line and the line have a lot of spacing Below 0.1 mm to prevent line blur; secondly, set the corrosion depth according to different materials;...
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