-32-
G0561 7" x 12" Metal-Cutting Bandsaw
SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION
Machine is loud when
cutting or bogs down in
the cut.
1. Excessive feed rate.
2. The blade TPI is too great, or the
material is too coarse.
1. Refer to Feed Rate on
Page 26, or Changing Blade
Speed on Page 23, and adjust as required.
2. Refer to Blade Selection on
Page 24 and adjust as
required.
Blades break often.
1. Blade is not tensioned correctly.
2. The workpiece is loose in the vise.
3. The feed or cut speed is wrong.
4. The blade TPI is too great, or the
material is too coarse.
5. The blade is rubbing on the wheel
flange.
6. The bandsaw is being started with
the blade resting on the workpiece.
7. The guide bearings are misaligned,
or the blade is rubbing on the wheel
flange.
8. The blade is too thick, or the blades
are of low quality.
1. Check to see that blade is not excessively tight or too
loose.
2. Clamp the workpiece tighter, or use a jig to hold the
workpiece.
3. Refer to Feed Rate on
Page 26, or Changing Blade
Speed on Page 23, and adjust as required.
4. Refer to Blade Selection on
Page 24, and adjust as
required.
5. Refer to Blade Tracking on
Page 34, and adjust as
required.
6. Start bandsaw and then slowly lower the bow by set
-
ting the feed rate.
7. Refer to Blade Tracking on
Page 34, or Blade Guides
on Page 24, and adjust as required.
8. Use a higher quality blade.
Blade dulls prematurely.
1. The cutting speed is too fast.
2. The blade TPI is too coarse.
3. The blade feed pressure is too light.
4. The workpiece has hard spots, welds,
or scale is on the material.
5. The blade is twisted.
6. The blade is slipping on the wheels.
1. Refer to Changing Blade Speed on
Page 23, and
adjust as required.
2. Refer to Blade Selection on
Page 24, and adjust as
required.
3. Refer to Feed Rate on
Page 26, and adjust as
required.
4. Increase the feed pressure, and reduce the cutting
speed.
5. Replace the blade.
6. Refer to Blade Tension on
Page 34, and adjust as
required.
Blade wears on one side.
1. The blade guides are worn or mis-
adjusted.
2. The blade guide slide bracket is
loose.
3. The wheels are out of alignment.
1. Refer to Blade Guides on
Page 24 and replace or
adjust.
2. Tighten the blade guide bracket.
3. Refer to Blade Tracking on
Page 34, and adjust as
required.
Teeth are ripping from the
blade.
1. The feed pressure is too heavy
and the blade speed is too slow; or
the blade TPI is too coarse for the
workpiece.
2. The workpiece is vibrating in the
vise.
3. The blade gullets are loading up with
chips.
1. Refer to Blade Selection on Page 24 and decrease
the feed pressure. Refer to Feed Rate on Page 26
,
and adjust as required.
2. Re-clamp the workpiece in the vise, and use a jig if
required.
3. Use a coarser-tooth blade.
Bandsaw Operations