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Method and device for printing printed material

A technology for printing materials and printing machines, which is applied in printing devices, general parts of printing machinery, printing and other directions, and can solve problems such as the influence of ink volume and ink strength on the quality of

Inactive Publication Date: 2014-03-26
HEIDELBERGER DRUCKMASHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different control of jetting modules has a negative impact on the quality of ink volume and ink strength

Method used

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  • Method and device for printing printed material
  • Method and device for printing printed material
  • Method and device for printing printed material

Examples

Experimental program
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Embodiment Construction

[0033] Such as figure 1 As shown, a first printing press cylinder in the form of an impression cylinder 11 and a second printing press cylinder in the form of an intaglio printing cylinder 21 cooperate in an intaglio printing unit, through which the printing material web 2 passes in a known manner. Between two printing press cylinders. The second printing press cylinder 21 , which rotates in the region of the schematically shown inking unit 29 for inking the cylinder, has on its surface 25 a plurality of pit-shaped depressions, not shown in detail, which In the inking unit 29 , the ink is transferred to the printing material web 2 in order to produce an immutable first printed image. The intaglio printing cylinder 21 also has on its surface 25 an ink-free circumferential section 4 in which no depressions or wells are formed to receive printing ink in the inking unit 29 . Here, if figure 1 As shown schematically in the figure, when the circumferential section 4 is in the reg...

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PUM

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Abstract

The invention relates to a method for printing printed material in a rotary printing machine. The roatry printing machine has a first press cylinder and a second press cylinder which are contacted with the printed material in a printing gap. The second press cylinder transmits printed images which are previsouly mounted on the second press cylinder of first ink to the printed material. An ink jet printing device which applies additionally variable printed images made of ink on the printed material. The ink jet printing device is characterized in that the additionally variable printed images are directly applied on an non-ink circumenferential section of a shifting cylinder which is directly conntaced with the second press clindyer or which tranmist the printed images from the second press cylinder to the pinted materal. A cleaning device is also arranged to remove additionally printed imaged applied by the ink jet printing device from the non-ink circumenferential section during the continous brush operation of the rotary printing machine.

Description

technical field [0001] The invention relates to a method and a device for printing a non-variable first print image and a variable second print image on a printing material in a rotary printing press, according to the preambles of claims 1 and 11 . technical background [0002] Shape-constrained or variable printing methods are known from the prior art. Shape-constrained printing methods are, for example, offset, flexographic, gravure or screen printing methods, in contrast to, for example, inkjet and thermal transfer printing, which are referred to as variable methods. [0003] Furthermore, a combined printing method is known, which is also called press-in method or “imprinting” and is based on two successive, shape-constrained and variable individual printing methods. However, the combined printing methods known up to now often have printing-technical problems, in particular that there are often clearly perceptible differences between the printed image of the shape-constr...

Claims

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Application Information

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IPC IPC(8): B41M1/04B41M1/06B41M1/10B41F35/04
CPCB41F31/20B41F31/02B41F19/007
Inventor M·施米特-莱文J·克内珀
Owner HEIDELBERGER DRUCKMASHINEN AG
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