Apparatus for controlling a pile-lifting device

Details Apparatus for controlling a pile-lifting device Apparatus for controlling a pile-lifting device

B - Operations, Transporting

65

H

270/180, 341/97

B65H 1/18 (2006.01)

Patent

CA 1310345

ABSTRACT Apparatus for controlling a pile-lifting device An apparatus for controlling a pile-lifting device of a sheet-processing machine, in which pile-lifting device correction movements are executed by means of a motor (6) in order to keep the top side of the pile (4) within a height range in which the uppermost sheet is taken off, and in which an apparatus (16) is provided to scan the position of the top side of the pile, said apparatus determining whether the top side has at least reached a predetermined height position or not, the magnitude of the correction movements being controllable by the result of the scanning by means of a control device (2), is characterized in that a device is provided for producing information on the actual magnitude of an executed correction movement. This opens up the possibility of detecting and taking into account deviations of the actual correction movement from the intended correction movement.

543005

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