An offset press UV varnishing method

A technology for offset printing presses and printing plates, which is applied to general parts of printing machinery, printing presses, printing and other directions, can solve the problems of inability to print three-dimensional effects and complicated processes, and achieves easy follow-up processing, low cost, and convenient and fast manufacturing. Effect

Inactive Publication Date: 2017-11-03
郑州华美彩印纸品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention overcomes the deficiencies of the prior art, provides a high-efficiency varnishing method for UV three-dimensional effects of offset printing machines by hollowing out liner paper, and solves the problem that the existing offset printing machine glazing methods have complicated procedures and cannot print three-dimensional effects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A method for UV glazing of an offset printing machine, comprising the steps of:

[0029] 1) Select the liner paper and the original: choose the liner paper with a thickness of 0.2-0.3mm; select the original that needs to design a concave-convex three-dimensional pattern;

[0030] 2) cutting off the area of ​​the liner paper corresponding to the non-image part in the printed matter to form a hollow, leaving the printed area;

[0031] 3) Install the color sequence printing plate;

[0032] 4) Lay the cut backing paper flat on the printing area on the blanket, and then install the backing paper together with the blanket on the blanket cylinder and fix and lock it;

[0033] 5) Light ink setting;

[0034] 6) UV light setting: turn on the UV light in the offset printing machine; at least one UV light is set between every two color groups, and the UV light must be set at the position corresponding to the last color group in the printing process;

[0035] 7) Adjust the offset...

Embodiment 2

[0039] A method for UV glazing of an offset printing machine, comprising the steps of:

[0040] 1) Select the liner paper and the original: select the liner paper with a thickness of 0.2-0.3mm; select the original that needs to design a concave-convex three-dimensional pattern; set the color value at the position of the pattern that needs a matte effect in the original 100k, and set the color value to 0k for the remaining parts, so as to effectively distinguish the part that needs matte effect and the fish part of the original, which is convenient for subsequent processing.

[0041] 2) cutting off the area of ​​the liner paper corresponding to the non-image part in the printed matter to form a hollow, leaving the printed area;

[0042] 3) Install the color sequence printing plate; use the CTP plate for UV printing to make the printing plate, and design the color sequence according to the color required for the concave-convex three-dimensional pattern in the original manuscript...

Embodiment 3

[0050] A method for UV glazing of an offset printing machine, comprising the steps of:

[0051] 1) Select the liner paper and the original: select the liner paper with a thickness of 0.2-0.3mm; select the original that needs to design a concave-convex three-dimensional pattern; set the color value at the position of the pattern that needs a matte effect in the original 100k, and set the color value to 0k for the remaining parts, so as to effectively distinguish the part that needs matte effect and the fish part of the original, which is convenient for subsequent processing.

[0052] 2) cutting off the area of ​​the liner paper corresponding to the non-image part in the printed matter to form a hollow, leaving the printed area;

[0053] 3) Install the color sequence printing plate; use the CTP plate for UV printing to make the printing plate, and design the color sequence according to the color required for the concave-convex three-dimensional pattern in the original manuscript...

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PUM

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Abstract

The invention relates to the field of printing, in particular to a UV glazing method for an offset printing machine. It includes the following steps: selecting the liner paper and the original, cutting off the area of ​​the liner paper corresponding to the non-image part of the printed matter to form a hollow, installing the color sequence printing plate, and laying the cut liner paper in a corresponding manner On the printing area on the blanket, install the liner paper together with the blanket on the blanket cylinder and fix and lock it, then set the light ink, UV lamp, adjust the offset printing machine and print, UV on the printed matter Varnish. The invention provides a high-efficiency glazing method for performing UV three-dimensional effect of an offset printing machine by hollowing out the liner paper, and solves the problems that the existing offset printing machine glazing method has complicated procedures and cannot print three-dimensional effects.

Description

technical field [0001] The invention relates to the field of printing, in particular to a UV glazing method for an offset printing machine. Background technique [0002] Offset printing has many advantages such as fast printing speed, relatively stable printing quality, and short printing cycle. Offset printing is a type of lithographic printing, that is, a printing method in which the graphics on the printing plate are transferred to the substrate by means of rubber (rubber cloth). The blanket plays an irreplaceable role in printing. The blanket can well compensate for the unevenness of the surface of the substrate, fully transfer the ink, and reduce the transfer of water from the printing plate to the substrate. [0003] When producing products on offset printing machines, there are two existing methods that can meet the full-page UV coating requirements. One is to use a flexible resin plate for coating, and the other is to use a method of dividing the blanket for coating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F23/08
CPCB41F23/08B41P2200/20
Inventor 崔晓明
Owner 郑州华美彩印纸品有限公司
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