Web-motion controller

B - Operations – Transporting – 65 – H

Patent

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341/47

B65H 23/038 (2006.01) B65H 23/032 (2006.01) B65H 23/10 (2006.01) G05D 3/14 (2006.01)

Patent

CA 2030357

Abstract The invention relates to a web-motion controller which comprises a guide frame having two guide rollers. The lateral deviation of the web downstream of the second guide roller is monitored by a position sensor whose output signal is converted into control commands for a servomotor adjusting the guide frame. In the guide frame, between the guide rollers, a braking roller is provided which is wrapped and entrained by the web and has a braking device. A force-measuring drum, sensing the web tension in the part of the web following the braking roller in the travel direction of the web serves for producing measured-value signals, which control the braking device via a control unit having a selected value setting. -1-

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