Rotary printing machine

Printing – Rolling contact machines – Rotary

Patent

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Details

364469, 364478, B41F 1324

Patent

active

053098340

ABSTRACT:
In a rotary printing machine with directly driven cylinders and at least one directly driven folding unit (12), those drives of the cylinders and their drive controllers which can be assigned to a paper web are combined to form printing-station groups (2). The printing-station groups (2a-d) are connected to one another, to the folding unit (12) and to the operating and data-processing unit (1) via a data bus (3). Within the printing-station group (2), the individual drives of the cylinders and their drive controllers are connected via a high-speed bus system. The printing-station groups (2a-d) acquire their position reference directly from the folding unit (12). The master control system (1) is now responsible only for the presetting of desired values and desired-value deviations and the processing of actual values. The division of the overall control system into a master control system and autonomous printing-station groups (2) achieves that simplicity, flexibility and robustness in respect of faults which is necessary for producing a directly driven rotary printing machine.

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Zeitungstechnik, Dec. 1991, pp. 78-80. "Rotationsmaschinenantrieb ohne Langswelle--eine Wiederentdeckung von Hamada".
H-D. Schafer, Siemens Energie & Automation 8, 1986, pp. 116-118.
Der Polygraph 18/91, p. 1448. "Zentralantrieb oder Einzelmotoren?".
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