Up Stroke; Cross Over Stroke - Baileigh Industrial BP-3305CNC Operator's Manual

Hydraulic press brake
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NOTICE: DO NOT allow the contact blocks to be adjusted so that the switch roller is able to
get positioned on the back (square) end of the block. Because there is no ramp, the roller
and the switch will be damaged. This is NOT covered by warranty.

Up Stroke

When the ram raises, the ram will stop at the position
in which the up contact block triggers the up stroke
limit switch.
When the height of the contact block is properly
adjusted the stroke of the rams will be shortened and
improve production efficiency.
Lowering the contact block allows the ram to travel
higher. Raising the contact block stops the ram UP
travel at a lower position.
1. Safely start the machine and place the selector
switch in INCH mode.
2. Lower the ram until the top die is lowered to the
desired position. Verify that there will be enough
clearance between the punch and die to load,
position and unload the work material. Before and
after the bend.
3. Loosen the thumb screw (A) and slide the contact
block up so that the switch roller is approximately
2/3rds (B) up onto the ramp.
4. Firmly tighten the thumb screw.
5. Proceed to setting the down stroke.

Cross Over Stroke

When the cross over limit switch is actuated it signals the ram to switch to the slower bending
DOWN stroke. The lower the contact block is positioned to the limit switch the sooner it
actuates. The hold timer is also signaled to start the hold delay at the bottom of the stroke.
Note: The HT (Hold Time) setting of the controller needs to be long enough to
allow for the ram to travel to the full stroke setting for the Y axis in the controller. If the ram is not
traveling to the full depth as set, Check and increase the HT setting.
1. Loosen the thumb screw (C) and slide the contact block down so that the switch roller is just
contacting the ramp (D). DO NOT allow the roller to start to be depressed.
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C
D
B
A

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