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A method for uniform etching of laser plate rollers

A technology of uniform corrosion and plate roll, which is applied in the field of plate making, can solve the problems of uncontrollable corrosion depth, mesh size, plate roll quality, etc., and achieve the effect of eliminating different cell sizes, good effect, and good effect

Active Publication Date: 2017-10-17
SHANGHAI YUNAN PLATE MAKING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the fourth step of the method, the corrosion is carried out by the ordinary corrosion method, which cannot control the depth of corrosion and the corrosion size of the mesh holes, resulting in quality problems of the plate roll.

Method used

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  • A method for uniform etching of laser plate rollers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 Shown, a kind of uniform etching method of laser plate roller, comprises the following steps:

[0030] 1) Clean the plate roller to make the surface of the plate roller clean;

[0031] 2) Uniformly coat a layer of anti-corrosion glue against ferric chloride and acid corrosion on the surface of the plate roller through the glue-hanging machine, with a thickness of 8 microns;

[0032] 3) Put the version roller into the laser engraving machine, control the laser beam of the laser engraving machine to vaporize the glue on the graphic part of the glue layer, and the glue on the non-graphic part is still kept on the version roller;

[0033] 4) According to the predetermined corrosion depth, determine the processing time of the spray corrosion machine and the Boumelan corrosion machine. For the plate roll with a mesh depth of 20 wires, the corrosion time of the spray corrosion machine is 250-350 seconds, and the Boumelan corrosion machine The corrosion time ...

Embodiment 2

[0040] In step 2), the anti-corrosion glue of one layer of anti-ferric chloride and acid corrosion is evenly coated on the surface of the plate roller by a glue-hanging machine, and the thickness is 10 microns;

[0041] In step 5), put the version roller in the spray corrosion machine, rotate the version roller and spray ferric chloride corrosion solution with a Pomi degree of 40 to perform preliminary corrosion on the vaporized version roller, according to different predetermined corrosion depths , corrode 2 / 3 of the predetermined etching depth of the plate roll, and transfer the plate roll into a Boumelan etching machine for re-etching after initial etching. The rest of the steps in this embodiment are the same as in Example 1.

Embodiment 3

[0043] In step 2), the anti-corrosion glue of one layer of anti-ferric chloride and acid corrosion is evenly coated on the surface of the plate roller by a glue-hanging machine, and the thickness is 12 microns;

[0044] In step 5), put the version roller in the spray corrosion machine, rotate the version roller and spray ferric chloride corrosion solution with a Pomi degree of 41 to perform preliminary corrosion on the vaporized version roller, according to different predetermined corrosion depths , corrode 3 / 4 of the predetermined etching depth of the version roll, and transfer the version roll into a Boumelan etching machine for re-etching after initial etching. The rest of the steps in this embodiment are the same as in Example 1.

[0045] Due to the depth requirements of the wallpaper laser foaming plate, in order to ensure the corrosion depth of the plate roll, the depth of the cell and the bottom of the cell are processed to a certain extent by a spray corrosion machine i...

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Abstract

The invention relates to a uniform corrosion method of a laser plate roller, comprising the following steps: 1) cleaning the plate roller; 2) uniformly coating a layer of anti-corrosion glue on the surface of the plate roller through a glue coating machine; 3) controlling the laser engraving machine 4) Determine the processing time of the spray corrosion machine and the Boumelan corrosion machine; 5) Put the plate roller into the spray corrosion machine, rotate the plate roller and spray out the corrosion The vaporized plate roll is initially corroded by the liquid. According to different predetermined corrosion depths, the plate roll is corroded to 1 / 2-3 / 4 of the predetermined corrosion depth. After the initial corrosion, the plate roll is transferred to the Boumelan etching machine for another Corrosion; 6) In the Boumelan etching machine, the depth and size of the holes on the plate roll are etched to a predetermined value; 7) After the corrosion is completed, the glue on the surface of the plate roll is washed with a mixed solution and air-dried naturally. Compared with the prior art, the invention has the advantages of uniform corrosion of the cells, good effect, good effect, low cost, wide application range and the like.

Description

technical field [0001] The invention relates to a plate-making method, in particular to a uniform etching method for a laser plate roller. Background technique [0002] The initial application of laser plate making is to coat a layer of black glue on the copper-plated plate base, and then use a laser machine to perform gasification engraving without film, so that the required pattern is exposed, and then corroded with corrosive liquid to achieve the desired effect. The depth of the cell, and finally restore the pattern by printing. [0003] The existing laser-etched version rollers, due to the spray corrosion, the nozzles in the etching machine are exposed to different pressures of the corrosive liquid, resulting in inconsistent impact forces on the surface cells of the version rollers during the etching process. The holes are big and small, and the customer's printing is uneven and uneven. Since the depth required by customers for the wallpaper laser foaming version is ge...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41N3/03
Inventor 黄志斌
Owner SHANGHAI YUNAN PLATE MAKING