Method for Controlling a Machine for Processing Sheet Material
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United States of America Patent
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N/A
Issued Date -
Jan 3, 2008
app pub date -
Jul 28, 2005
filing date -
Aug 13, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention concerns a method for controlling a machine for processing sheet material that has at least one individually driven cylinder. The method involves interrupting a pressure contact in a contact zone between a plate cylinder 10 as a directly driven cylinder and a neighboring rubber blanket cylinder 8. The plate cylinder 10 is then turned by the direct drive from its particular angular position into an angular position in which a first printing plate located on the plate cylinder 10 can be removed. The first printing plate is then removed from the plate cylinder 10 and a second printing plate is brought up and secured to the plate cylinder 10. The plate cylinder 10 with the second printing plate is then turned by the direct drive into an angular position appropriate for the printing process. At the same time the printing plates on the plate cylinder 10 are changed and with pressure contact interrupted between plate and rubber blanket cylinders 10, 8, a cleaning device 7 is placed on the rubber blanket cylinder 8, the rubber blanket is cleaned, and then the cleaning device 7 is removed. The rubber blanket cylinder 8 and the plate cylinder 10 carrying the second printing plate are then brought back into pressure contact in the contact zone.
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