SHPF hole punch drive
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42 5 16
8
3
1 Hole punch box
2 HPU carriage
3 Sensor (hole punch)
4 Sensor (HPU carriage position)
5 Motor (HPU carriage)
6 Motor (hole punch)
7 Hopper
8 Sensor (hole punch box present)
During a hole punch job, the HPU carriage position may move to ensure that holes are properly punched at
the appropriate positions. The motor (HPU carriage) controls the movement of the carriage. The sensor (HPU
carriage position) detects the HPU carriage position.
The blade that punches the paper to create the holes is controlled by the motor (hole punch). The position of
the blade is determined by the sensor (hole punch).
After hole punching, the paper chad is collected by a vibrating hopper and poured to the hole punch box.
4064
Theory of operation
905
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