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Plate cylinder for a printing press, comprising a clamping device

A technology of printing plate cylinder and clamping device, which is applied to general parts of printing machinery, printing presses, printing and other directions, can solve problems such as inability to achieve precision, and achieve the effect of improving precision and high precision

Inactive Publication Date: 2015-01-07
KOENIG & BAUER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This level of precision cannot be achieved with the plate clamping of conventional sheet-fed presses

Method used

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  • Plate cylinder for a printing press, comprising a clamping device
  • Plate cylinder for a printing press, comprising a clamping device
  • Plate cylinder for a printing press, comprising a clamping device

Examples

Experimental program
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Embodiment Construction

[0102] A printing press 01 designed as a rotary printing press 01 , for example as a sheet-fed rotary printing press 01 , is described below. The printing machine 01 is, for example, the printing machine 01 used for currency printing. The printing press 01 is designed as a printing press 01 for printing a printing material 09 , preferably in sheet-fed form, ie a sheet-fed printing press 01 . The printing press 01 has at least one printing unit 02 with at least one printing unit 08 and at least one inking unit, wherein the at least one printing unit 08 has at least one plate cylinder 07 . The at least one plate cylinder 07 is preferably designed as at least one plate cylinder 07 . Preferably, a plurality of printing units 08 and a plurality of inking units are arranged in the at least one printing unit 02 in order to print different inks on the same printing material 09 in the same production, eg depending on the number of the inking units. In one embodiment, a plurality of p...

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PUM

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Abstract

The invention relates to a plate cylinder (07) having a channel (13), in which a clamping device (21; 61) is located, the clamping device having a radially outer clamping element (22; 62) with a fixed position relative to a base element (37; 71) of the clamping device, and having at least one contact element (23; 63) which is located radially further inwards than the radially outer clamping element. According to the invention the clamping device has an actuating element (24; 64), by means of which the at least one contact element can be moved at least partially in relation to the radially outer clamping element at least in and / or counter to a clamping direction and the clamping device has at least two contact elements. The actuating element is located between the at least two contact elements in the circumferential direction in relation to the plate cylinder and a contraction of the at least two contact elements in relation to at least the clamping direction can be brought about by the activation of the actuating element at least by an extension of said actuating element in a direction running perpendicularly to an axial direction (A) with regard to the plate cylinder and perpendicularly to the clamping direction (B;C).

Description

technical field [0001] The invention relates to a printing plate cylinder of a printing machine according to the preamble of claim 1 . Background technique [0002] In printing presses, forme cylinders are frequently used which are designed as plate cylinders and which carry printing formes in the form of printing plates. These printing plates can be replaced. For this purpose, a device is required which detachably fixes the printing plate on the plate cylinder. As the demands placed on the accuracy of the printed products produced by the printing press are increasing, so are the demands placed on the accuracy of the arrangement of the printing plates on the plate cylinder. In currency printing, for example, at least the accuracy of the position of the printing plates relative to each other is required to be in the micrometer range. This level of precision cannot be achieved with the plate clamping of conventional sheet-fed presses. [0003] DE4129831A1 and DE10200405282...

Claims

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Application Information

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IPC IPC(8): B41F27/12
CPCB41F27/1225B41F27/1231B41P2227/42
Inventor 帕特里克·克莱斯沃尔克马尔·罗尔夫·施威茨基拉尔夫·哈拉德·索科尔
Owner KOENIG & BAUER AG
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