A Sheet Stacker is a component at the end of a cut to length line or blanking line. Sheet stackers are used to stack the cut material after it has come off an uncoiler, flattened through a leveler, and then sheared. Material is fed into the stacker, end stopped, sheared, and then will drop onto a pallet on top of a conveyor. A stacker will have side positioning arms to make sure the material is uniform in its stack. A sheet stacker also has an end stop arm so the material does not go further than a specific, measured length. Once the material is completely stacked it is either discharged at the end of a stacker or the side with a roller conveyor. There are a few types of stackers: sliding stackers, air blowing stackers, bomb-door or “drop type” stackers, magnetic and vacuum type stackers, and a combined bomb-door/air blowing stackers.
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