Table of Contents
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Operation
Symptom
Possible Cause
Wavy pattern on
1. Machine vibrating.
workpiece surface.
2. Workpiece loose in clamping device.
Lines on workpiece
1. Workpiece loose in clamping device.
surface.
Burned spots
1. Feed rate too slow.
or cracks in
2. Depth of cut too great.
workpiece.
3. Workpiece overheating.
4. Improper grinding wheel for task.
Wheel dulls quickly,
1. Depth of cut too great.
grit falls off.
2. Wheel exposed to moisture.
3. Improper grinding wheel for task.
4. Defective wheel bonding.
Wheel clogs and
1. Feed rate too slow.
workpiece shows
2. Workpiece incorrect material.
burn marks.
3. Improper grinding wheel for task.
Workpiece is
1. Workpiece not properly clamped.
ground unevenly.
2. Wheel surface worn or uneven.
3. Wheel is damaged.
-28-
Possible Solution
1. Shim/tighten mounting hardware.
2. Correctly re-clamp the workpiece.
1. Correctly re-clamp the workpiece.
1. Increase feed rate.
2. Reduce depth of cut; take multiple light passes.
3. Grind in short durations and allow workpiece to cool
in between.
4. Use correct grinding wheel for task (Page 18).
1. Reduce depth of cut; take multiple light passes.
2. Store wheel away from moisture; replace wheel.
3. Use correct grinding wheel for task (Page 18).
4. Replace wheel.
1. Increase feed rate.
2. Grind ferrous materials only.
3. Use correct grinding wheel for task (Page 18).
1. Properly re-clamp workpiece.
2. Dress wheel surface. Replace wheel if necessary.
3. Replace wheel; check new wheel before using
(Page 18).
Model T27400 (Mfd. Since 02/15)
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