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Method for operating a printing press

A technology for printing presses and printing devices, applied in printing presses, general parts of printing machinery, printing, etc., can solve problems such as unavailability and danger, avoid downtime, avoid machine downtime, and avoid restart-waste page effect

Active Publication Date: 2012-11-14
HEIDELBERGER DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No clear indication can be drawn from the last-mentioned patent document in which operating state the printing press is in during the movement of the cleaning device towards the cylinder and the subsequent retensioning of the cleaning cloth, ie a printing job or a printing job interruption
However, it can be assumed that the printing press is at a standstill during the movement of the cleaning device, since the movement of the cleaning device into and out of the printing unit in the printing operation is the prevailing view in the technical field. moving is very risky or dangerous

Method used

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  • Method for operating a printing press
  • Method for operating a printing press
  • Method for operating a printing press

Examples

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Embodiment Construction

[0024] figure 1 A printing press 1 for printing sheets is shown. The printing press 1 comprises a plurality of printing units arranged in series for offset printing, of which one printing unit 2 is present. The printing unit 2 includes a cylinder 3 which is a blanket cylinder. Furthermore, the printing unit 2 includes a printing form cylinder and an impression cylinder, which cooperate with the cylinder 3 . The printing press 1 is assigned a cleaning device 4 which is used to clean the cylinder 3 from time to time, for example between successive printing jobs. In a wall of the printing unit 2 parallel to the axis of rotation of the cylinder 3 there is an opening 5 through which the cleaning device 4 can be moved into the printing unit 2 .

[0025] The cleaning device 4 includes a cleaning cloth 6 which can be unwound on a clean cloth spindle 7 and can be wound onto a dirty cloth spindle 8 . The cleaning cloth 6 runs over a pressing element 9 which serves to press the clean...

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Abstract

The invention relates to a method for operating a printing press having a printing unit and a cleaning apparatus and includes, in a first step, starting up the printing unit in order to print therewith, and in a subsequent, second step, displacing the cleaning apparatus into the printing unit running in printing operation and / or out of the printing unit running in printing operation.

Description

technical field [0001] The invention relates to a method for operating a printing press having a printing unit and a cleaning unit. The invention also relates to a printing press which is designed to carry out the method according to the invention. Background technique [0002] The cleaning unit must be removed from the printing unit for its maintenance purposes, for example to replace the cleaning cloth. During its maintenance, the cleaning device can be located on a table next to the printing press or can be located on a platform of the printing press. [0003] DE 10 2006 013 748 A1 describes a method for operating a printing press, in which a cleaning device is located on a tread of the printing press during its maintenance. The cleaning device located on the pedal is located outside the printing unit, which has an opening which can be closed by a protective cover. Closing the opening with the protective cover makes it possible for the printing unit to carry out printi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F35/00B41F33/14
CPCB41F35/06B41P2235/24B41F33/08
Inventor B·西茨曼M·乌伊莱因
Owner HEIDELBERGER DRUCKMASCHINEN AG
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