Screenless processing technology for printing roller

A processing technology and technology of plate rollers, which is applied in the field of non-mesh processing technology for plate rolls, can solve the problems of increasing raw material costs, production cycle production costs and production efficiency, parameters cannot be engraved at the same time, and engraving depth is shallow.

Inactive Publication Date: 2017-06-27
LONGYOU YUNSHEN PLATE MAKING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since the image has rich color level changes, there are large color blocks with high density of darker colors and soft transition layers of lighter colors. When engraving a color plate of image data, uniform parameters It cannot be engraved at the same time. The existing method is to weigh the advantages and disadvantages according to the printing effect proposed

Method used

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  • Screenless processing technology for printing roller

Examples

Experimental program
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Effect test

experiment example 1

[0017] (1) Copper plating treatment: Copper plating is performed on the surface of the processed version roller, the specific steps are: A. Put the version roller in an ultrasonic cleaning machine for cleaning, and remove the machine oil remaining on the surface of the version roller during the production process of the version roller For debris, the cleaning frequency of the ultrasonic cleaning machine is 40KHz, and the cleaning time is 3-5 minutes. After cleaning, take out the plate roller and dry it; B. Place the plating tank in the ultrasonic generator, and add electroplating solution to the plating tank , put the plate roller washed and dried in step A into the electroplating solution, the copper plating temperature is 50 degrees Celsius, the frequency of the ultrasonic generator is 50KHz, the electroplating time is 10min, and the current density is 10A / dm2. After the electroplating is completed, the The plate roller is taken out and cleaned;

[0018] (2) Grinding and pol...

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PUM

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Abstract

The invention discloses a screenless processing technology for a printing roller. The screenless processing technology comprises the following steps of (1), a copper plating process, (2), a grinding and polishing process, (3), an engraving process and (4), a chromium plating process. By means of the technology, the problems that an existing pattern has the rich color level changes and not only has large color lumps with the deep color and high color density, but also has transition layers with the light color and gentle color, and when a color plate of one image data is engraved, unified parameters cannot be engraved at the same time are solved, the pattern with the same layer as an original engraving piece, the depth higher than that of the primary engraving and the higher thickness is formed, and the two-plate printing effect can be achieved through one printing roller for customers.

Description

technical field [0001] The invention relates to a non-network processing technology for plate rolls. Background technique [0002] Version roller, also called steel roller. It is divided into hollow rolls and solid rolls, shaft rolls and non-shaft rolls, and is generally used for plate making. The existing plate roller manufacturing process is divided into three types: 1. Electronic engraving process; 2. Laser engraving and post-etching treatment process; 3. Laser direct ablation plate making process. Among them, the electronic engraving process is the most mature. It has the advantages of low engraving cost, high engraving frequency, high and stable engraving quality, and wide adaptability. It is widely used and plays a leading role in gravure plate making. [0003] The electronic engraving process is a production process in which the image is engraved onto the gravure roll by the electronic engraving machine. It first inputs the data of the image file into the control sy...

Claims

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Application Information

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IPC IPC(8): B41C1/045B41C1/18C25D5/12C25D5/20
CPCB41C1/045B41C1/184C25D5/12C25D5/20
Inventor 张尚义蔡孟虎弓小军赵建合
Owner LONGYOU YUNSHEN PLATE MAKING CO LTD
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