Sheet separating method for offset printing machine, lifting upper most sheet in rear area of sheet stack by suction separator simultaneously or with delay with respect to movement of suction lifter

摘要

The method involves using a suction lifter (2) which holds the sheets in a front area. The uppermost sheet (7) is lifted in a rear area of the sheet stack by a suction separator (3) simultaneously or with a delay with respect to a movement of the suction lifter.