A kind of engraving method of gravure roll

Abstract

The invention discloses a method for engraving a gravure plate roll, comprising: acquiring the coordinates A of the plane with depth of each point with depth of engraving of a target engraving image i (x i ,y i ,h i ); according to the described belt depth plane coordinate A i (x i ,y i ,h i ), obtain the roller position coordinates B of each of the deep engraving points of the target engraving image on the gravure roller i (X i ,θ i ,H i ); according to the roller position coordinate B j (x j ,θ j ,h j ), control three parameters of the movement position of the laser engraving head, the rotation angle of the gravure roll and the depth of laser engraving, and perform laser engraving on the gravure roll. In the present invention, by correcting the engraving depth on the gravure roll, the engraving depth of the gravure roll during the engraving process is effectively prevented from being too small, resulting in too little ink content during printing, thereby causing printing problems. Ineffective problem.

Description

technical field [0001] The invention relates to the technical field of gravure rolls, in particular to an engraving method for gravure rolls. Background technique [0002] The printing technology of gravure roll is a kind of printing technology that is often used at present, and it occupies an important share in the entire printing industry in my country. Especially in the packaging field of the printing industry, there are performance and cost advantages that cannot be replaced by other printing methods. The printing products manufactured by gravure printing have the advantages of thick ink layer, bright colors and regular distribution, and can perfectly restore the original effect. [0003] The design pattern is engraved on the cylindrical surface of the gravure plate roll, and the engraving pattern is set with the engraving depth, and the engraving depth is the engraving depth on the two-dimensional plane. The set engraving depth, when printing, its ink content will be ...

AI Technical Summary

Problems solved by technology

[0004] In view of the defects existing in the prior art, the technical problem to be solved by the present invention is to provide an engraving method for a gravure plate roll, aiming at solving the problem that the engraving depth of the gravure plate roll is too small during the engraving process, and ink is contained during printing. The amount is too small, resulting in poor printing effect

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