Device and process for setting the printed image in a rotary...

B - Operations – Transporting – 41 – F

Patent

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Details

B41F 33/00 (2006.01) B41F 5/24 (2006.01) B41F 13/30 (2006.01) H04N 7/18 (2006.01)

Patent

CA 2379013

Introduced are a device and a process for setting the printed image of a rotary press by adjusting the relative position of the rollers involved in the ink transfer. In this respect at least one part of these rollers can be moved toward each other both together and also independently of each other by means of their own actuating drives, so that the rollers involved in the printing process can be set into motion in relation to each other. In addition, there is at least one camera that scans the printed image on the printed material web and that feeds the images shot in succession to an electronic control and regulating unit. This control and regulating unit generates signals for the actuating drives of at least one part of the rollers involved in the printing and inking process until or as the printed image is reproduced without area loss.

Sont présentés un dispositif et un procédé pour fixer une image imprimée d'une presse rotative par réglage de la position relative des rouleaux d'ancrage. € cet effet, au moins une partie de ces rouleaux peut être déplacée l'une vers l'autre ensemble et aussi indépendamment l'une de l'autre au moyen de leurs propres moyens d'entraînement, de sorte que les rouleaux participant au procédé d'impression peuvent être mis en mouvement en relation l'un avec l'autre. En outre, au moins une caméra balaie l'image imprimée sur le matériau imprimé et transmet les plans d'images en succession à une unité électronique de contrôle et de régulation. Cette unité de contrôle et de régulation génère des signaux pour actionner les dispositifs d'entraînement d'au moins une partie des rouleaux participant au procédé d'impression et d'ancrage jusqu'à ce que ou pendant que l'image imprimée est reproduite sans perte de surface.

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