Device and method for operating a stack lifting device

The method involves calculating speed of a stack lifting drive (6) in a controller (61), and lifting a sheet stack at the calculated speed. An actual position of a backmost upper edge of the stack is determined by a sensor (26) and a touching base (25) at a preset machine angle (16). The calculated...

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Bibliographic Details
Main Authors Hartstock, Uwe, Gronau, Dieter
Format Patent
LanguageEnglish
French
German
Published 23.01.2019
Subjects
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Summary:The method involves calculating speed of a stack lifting drive (6) in a controller (61), and lifting a sheet stack at the calculated speed. An actual position of a backmost upper edge of the stack is determined by a sensor (26) and a touching base (25) at a preset machine angle (16). The calculated speed is adjusted when the actual position differs from a target position. An anterior upper edge of the stack is measured by another sensor (32) at the machine angle. Height of a suction head (20) is adjusted when an actual position of the anterior upper edge differs from a desired position. An independent claim is also included for a device for controlling a stack lifting device of a sheet processing machine.
Bibliography:Application Number: EP20100166267