Method for determining print parameters of a printing machine and test bench

A printing machine and test bench technology, which is applied to the general parts of printing machinery, printing machines, rotary printing machines, etc., can solve the problems of expensive running time of flexographic printing machines, shortening the setting time of flexographic printing machines, etc.

Active Publication Date: 2021-05-18
博斯特比勒费尔德有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, machine run times for flexographic printing machines are relatively expensive, so setup times for flexographic printing machines that do not produce finished products should be kept as short as possible

Method used

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  • Method for determining print parameters of a printing machine and test bench
  • Method for determining print parameters of a printing machine and test bench
  • Method for determining print parameters of a printing machine and test bench

Examples

Experimental program
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Embodiment Construction

[0064] figure 1 A test stand 10 according to the invention for determining printing parameters of a printing press (not shown) is shown. In the illustrated embodiment, the printing press is a flexographic printing press.

[0065] The test stand 10 is used to test pre-prepared printing plates 12 intended for printing in a flexographic printing press. Consequently, the printing plate 12 in the embodiment shown here is a stereotype. Stereotypes are usually made individually for each printing job from plastic, photopolymer or rubber. The stereotypes mentioned below usually also include printing plates12.

[0066] The quality of the print depends on the quality of the respective cliche, as well as the printing parameters used. For optimum printing results, the printing parameters must therefore be adapted to the respective cliche produced.

[0067] The cliche is mounted on a printing cylinder 14 which is then placed with the cliche in a flexographic printing press for flexogra...

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PUM

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Abstract

Disclosed are a method for determining print parameters of a printing machine and a test bench. The method includes the following steps: first, providing a printing plate (12) and installing the plate on a printing cylinder (14), then, recording at least one high-resolution image of the surface of the printing plate (12) by means of a 3D camera (18), determining the height profile of the printing plate (12) on the basis of at least one high-resolution image, then, based on the initial settings of the height profile and printing parameters, calculating the simulated printing image, finally, by checking and / or changing the initially set printing parameters, determining the optimized printing parameters. For this purpose, after the printing parameters have been changed, the simulated printing image is calculated again.In addition, the test bench on which the method can be executed is specified.

Description

technical field [0001] The invention relates to a method for determining printing parameters of a printing press, in particular a flexographic printing press, and a test bench therefor. Background technique [0002] In a printing press, a print form is used to apply ink to a substrate, such as paper or plastic. Depending on the type of printing process, the printing plate has elevations (relief printing) or depressions (intaglio printing) which serve the purpose of transferring the ink from the printing plate to the substrate. [0003] In flexographic printing, flexographic plates with high relief are used to apply the ink. Stereotypes are made of plastic, photopolymer or rubber and are produced individually for each print job on the basis of digitally printed templates. [0004] The problem that arises here is that during the production of the cliche, deviations can occur between the digitally printed stencil and the fully mounted cliche, for example irregularities in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F5/24B41F31/10G01B11/24
CPCB33Y50/02B41F5/24B41F31/10G01B11/24G01B11/2441B41F33/0027G06T7/80B41J2/2132B41M1/04
Inventor F·罗斯塔尔斯基
Owner 博斯特比勒费尔德有限公司
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