Troubleshooting
Slip Roll Operation
Symptom
Possible Cause
Possible Solution
Slip roll creates
cones when trying
to create cylinders.
1. Rollers are not parallel.
1. Adjust rear roller adjustment knobs as necessary to
be sure the rear roller and top roller are parallel.
A noticeable crease
is formed in the
workpiece.
1. Excessive pressure applied in one spot.
1. Reduce the radius and perform the bend in several
passes.
Workpiece is pitted. 1. Workpiece is dirty, roller is damaged.
1. Clean workpiece, polish out any nicks in the rollers.
Brake Operation
Symptom
Possible Cause
Possible Solution
Heavy resistance
during bends.
1. Machine capacities are exceeded.
1. Use materials within the capacity of the machine.
Bend radius is not
consistent across
workpiece.
1. Machine capacities are exceeded.
2. Fingers and finger receiver not aligned.
1. Use materials within the capacity of the machine.
2. Adjust brake alignment
.
Point of fingers are
chipping or rolling.
1. Fingers and finger receiver not aligned.
2. Workpiece is too thick.
1. Adjust brake alignment.
2. Use materials within the capacity of the machine.
Workpiece shows
scoring marks after
bend.
1. Fingers or finger receiver has scratches.
1. Polish out scratches, and apply tape at the bend
locations for protection.
Shear Operation
Symptom
Possible Cause
Possible Solution
Won't cut
material.
1. Improper blade gap distance.
2. Cut exceeds machine capacities.
1. Widen gap to accommodate thicker gauge material.
2. Make cuts within the capacity of the machine.
Cuts aren't
square.
1. Blade gap unequal across length.
2. Too much bow in blade.
3. Inadequate hold-down pressure.
4. Uneven contact with guides.
1. Adjust blade gap to be equal across length.
2. Adjust blade bow.
3. Adjust gap of hold-down.
4. Maintain consistent contact with guides.
Poor quality of
cuts, ripping or
tearing.
1. Dull blades.
2. Poor blade gap set up.
3. Loose blade.
1. Replace or sharpen blades.
2. Adjust blade gap
3. Remove blade, clean blade mounting, and reinstall.
Summary of Contents for Bernardo 1320 S
Page 10: ...Parts Drawing for 3 in 1 1320mm ...
Page 12: ...Maschinen Austria ...
