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Made plate printing method and made plate for protecting light color fine-line pattern

A printing method and light-color technology, which is applied in the field of plate printing, can solve problems such as poor output quality and inability to effectively transfer patterns, and achieve the effect of ensuring process control and improving transfer quality

Active Publication Date: 2019-05-24
湖州刻强制版有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual production, there are the following problems: the ink in the lighter dots is easily taken out by the scraper part or all because of its shallow depth, and the dots that are taken out of the ink cannot effectively transfer the complete pattern, resulting in output poor quality

Method used

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  • Made plate printing method and made plate for protecting light color fine-line pattern

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] In this embodiment, a plate-making and printing method for protecting light-colored thin line patterns is provided, comprising the following steps:

[0030] A1, engraving, laser engraving is carried out on the shallow net of the engraving surface according to the required printing pattern, and the dots produced by the engraving are divided into dark dots for printing dark and thick lines and printing light and thick according to the depth and thickness of the pattern lines. Light colored dots for thin lines;

[0031] A2, make a protective layer, laser drill and print grid holes on the paper protective layer according to the distribution area of ​​the light-colored dots in the previous step, and the grid holes are combined to form a protection area whose shape corresponds to the distribution area of ​​the light-colored dots.

[0032] A3, apply ink, cover the protective layer on the engraving surface according to the corresponding position of the protected area and the li...

Embodiment 2

[0040] The technical solution in this embodiment is similar to Embodiment 1, the difference is that in this embodiment, the edge shape of the protection zone 31 is the same as the distribution shape of the light-colored dots 21, and its area is outward in the distribution shape of the light-colored dots 21. Uniform proportional growth. That is, the protected area 31 in this embodiment only covers the area where the light-colored dot 21 is located.

Embodiment 3

[0042]The technical solution in this embodiment is similar to that of Embodiment 1, and the difference is that in this embodiment, the protection area 31 covers the entire surface of the protection layer 3, that is, it can be guaranteed that all areas within its coverage can pass through the grid holes 32 to Underfill ink and achieve ink protection.

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Abstract

The invention aims at providing a made plate printing method and a made plate for protecting a light color fine-line pattern. The made plate printing method and the made plate for protecting the lightcolor fine-line pattern are used for solving the problems in the prior art. The made plate printing method comprises the following steps that laser engraving is conducted on a shallow mesh on the surface of an engraved plate, mesh points generated by engraving of the shallow mesh are divided into deep color points and light color points; a protecting zone corresponding to a light color point distribution zone in shape is manufactured on a protecting layer according to the light color point distribution zone; the surface of the engraved plate is covered with the protecting layer according to the corresponding position of the protecting zone and the light color points, and ink is smeared; the ink is scraped; and after the protecting layer is removed, the engraved plate is utilized for printing. A structure in the method comprises the engraved plate, the surface of the engraved plate is covered with the shallow mesh, the detachable protecting layer is arranged on the surface of the shallow mesh, the mesh points with circular openings are distributed on the surface of the shallow mesh, the protecting zone composed of through grid holes is arranged on the surface of the protecting layer, the protecting zone corresponds to the light color point distribution shape and zone, and the zone of the protecting zone is 80-120 times the zone of the light color point zone corresponding to theprotecting zone.

Description

technical field [0001] The invention relates to the technical field of plate making and printing, in particular to a plate making and printing method for protecting light-colored fine-line patterns and a matching plate-making for protecting light-colored thin-line patterns. Background technique [0002] Gravure printing, referred to as gravure printing, its dots exist in a completely concave form relative to the plane of the plate. When printing, the ink is filled in the sunken dots, and then transferred to the medium by embossing. In the process of gravure printing, the depth and thickness of the printed pattern are generally adjusted by controlling the depth of the dot on the screen. For example, larger and darker dots hold more ink, and the printed pattern is darker and / or thicker. Similarly, lighter dots are used to print lighter and / or thinner patterns. [0003] In actual production, after applying ink on the surface of the gravure, it is necessary to scrape the surfa...

Claims

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Application Information

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IPC IPC(8): B41M1/10
Inventor 刘卫锋
Owner 湖州刻强制版有限公司