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Method for driving a satellite offset press and satellite offset press

A printing machine and satellite technology, which is applied in the field of satellite offset printing machines, can solve the problems of large materials, high cost, and large volume

Inactive Publication Date: 2006-07-05
HEIDELBERGER DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in four-color printing, a printing machine structure with a large cylinder is obtained, and its material and cost expenses are large.

Method used

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  • Method for driving a satellite offset press and satellite offset press
  • Method for driving a satellite offset press and satellite offset press
  • Method for driving a satellite offset press and satellite offset press

Examples

Experimental program
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Embodiment Construction

[0018] FIG. 1 shows a schematic illustration of a satellite offset printing press with an impression cylinder 1 , two transfer cylinders 2 , 3 and two plate cylinders 4 , 5 . These cylinders 1-5 are rotatable in the direction of the arrow 6, wherein the axes of rotation of the impression cylinder 1 and the transfer cylinders 2, 3 lie parallel in a horizontal plane h and the plate cylinders 4, 5 and the transfer cylinders 2, The axes of rotation of 3 each lie in a vertical plane v. Each roller 1-5 has two segments A-J each with a pressure surface of the same length in the circumferential direction. Between the segments A-J, the rollers 1-5 have channels 7 . In the channel 7 of the impression cylinder 1 there is a gripper system 8 for gripping a sheet 9 . In the channels 7 of the transfer cylinders 2 , 3 there are fastening and clamping devices 10 for elastic coverings 11 on the individual segments A-D. On the segments G to J of the plate cylinders 4 , 5 are stretched printin...

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PUM

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Abstract

The invention relates to a method for driving a satellite offset printing machine and a satellite offset printing machine implementing the method. The object of the present invention is to provide a solution which enables multicolor printing in one process at low cost. The invention consists in the fact that, in a satellite offset printing press, the plate cylinder is driven synchronously with the associated transfer cylinder, wherein the segments of the plate cylinder and of the transfer cylinder in the circumferential direction are in register with each other rollers, and the circumferential segments of the transfer cylinders and an impression cylinder cooperating with these transfer cylinders with the sheets gripped thereon are rolled against each other in register, After each full revolution, the speed of the impression cylinder (1) is reduced and increased again, so that the transfer cylinders (2, 3) lead in the circumferential direction (6) by at least one segment length.

Description

technical field [0001] The invention relates to a method for driving a satellite offset printing press and a satellite offset printing press. Background technique [0002] From DE 102 59 496 A1 an offset printing press for multicolor printing on a printing material is known, in which the impression cylinder, the transfer cylinder and the plate cylinder each have at least three Segments with the same length in the circumferential direction, wherein the number of segments on the transfer cylinder corresponds to an integer multiple of the number of segments on the impression cylinder plus one segment. All rollers can be conventionally driven with gear transmissions. And each roller or roller group can be provided with a separate drive. In each case, the rollers are driven in such a way that the segments roll over each other in register. In four-color printing, therefore, a printing press construction with a bulky cylinder results, which is expensive in terms of materials and...

Claims

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Application Information

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IPC IPC(8): B41F7/02B41F33/00
CPCB41P2213/91B41F7/10
Inventor 贝恩德·赫尔曼
Owner HEIDELBERGER DRUCKMASCHINEN AG