Plate cocking apparatus for sheet-fed printing press

摘要

A plate cocking apparatus for a plate cylinder of a sheet-fed printing press including a clamp on a front grip end of the plate cylinder and a clamp on a rear grip end of the plate cylinder. Both clamps are disposed inside a groove of the plate cylinder and both clamps engage a plate wound on the outer periphery of the plate cylinder. The apparatus further includes drive assemblies for moving the clamp on the front grip end in both the axial and circumferential directions. The drive assemblies are connected to a motor within the plate cylinder.