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Printing machine with twin printing unit and method for operating such a printing machine

A printing press, double printing technology, applied in general parts of printing machinery, printing presses, rotary printing presses, etc., can solve problems such as long downtime, start waste pages, and reduce the efficiency of printing presses

Active Publication Date: 2019-01-25
HEIDELBERGER DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A disadvantage of the printing presses known from the prior art is that such a changeover of the sleeves requires a printing pause, wherein the downtime reduces the efficiency of the printing press
Longer downtime if color change is required
In addition, each machine stop results in start-up waste (Anlaufmakulatur), ie the printed web of printing material is waste

Method used

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  • Printing machine with twin printing unit and method for operating such a printing machine
  • Printing machine with twin printing unit and method for operating such a printing machine
  • Printing machine with twin printing unit and method for operating such a printing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] image 3 A rotary printing press 100 for printing a printing material web 1 according to the prior art is shown. The printing material web 1 is transported along the transport direction T through a plurality of processing units and processed there. These processing tools relate to a flexographic printing mechanism 11 , an embossing mechanism 12 and a die cutting and grooving mechanism 13 . Adjacent to the web run of the printing material web 1 , an inspection system 14 is provided, which is designed, for example, as a camera in order to continuously monitor the register accuracy of the processing of the printing material web 1 . In this case, in particular peripheral and lateral registers are monitored.

[0041] The inspection system 14 as well as the flexographic printing units 11 , embossing units 12 and die-cutting and notching units 13 are connected in terms of data transmission to a control unit 22 and can be controlled by this control unit 22 .

[0042] figure...

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PUM

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Abstract

The invention relates to a printing machine (100) for printing a web (1) of substrate material. The printing machine comprises a plurality of flexographic printing mechanisms (11) arranged in series,wherein the flexographic printing mechanism (11) is provided in a plane (E) accessible to a machine operator; the invention is characterized in that the two flexographic printing mechanisms (11, 11a,11b) of the plurality of flexographic printing mechanisms (11, 11a, 11b) always form a dual printing station (10) together, and that the two flexographic printing mechanisms (11, 11a, 11b) of the respective dual printing station (10) have a common pressing cylinder (16).

Description

technical field [0001] The invention relates to a printing press according to the preamble of claim 1 and to a method for operating such a printing press with the features of claim 19 . Background technique [0002] Printing machines designed or used for packaging printing increasingly place high demands on economy and ease of operation while maintaining maximum variability in product production. For example, a printing press should cause as little waste as possible (for example in the case of a changeover between different printing jobs). Commonly used web printing machines in tandem configuration (Reihenbauweise) designed for packaging printing (especially in flexographic printing) mostly have the following machine structure: As a result, web sections of not insignificant length remain in the printing press and corresponding waste pages can potentially arise. [0003] For the production of folding box blanks, an inline machine for printing and rotary die-cutting of box b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F5/24B41F13/26
CPCB41F5/24B41F13/26B41F5/06B41F23/0409B41F3/12
Inventor W·施瓦布
Owner HEIDELBERGER DRUCKMASCHINEN AG
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