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Automotive Troubleshooting
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| Problem |
Possible Causes |
Suggested Correction |
| Poor Finish |
Wheel too coarse or too soft
Improper wheel dressing
Dress traverse too fast
|
Use harder grade and/or finer grit
Use sharp, rigidly held diamond
tool with point contact below center
Dress wheel finer |
Flats
Generated
on Diameter |
Wheel too hard
Wheel out of balance
Steady rest deflection |
Use softer cutting wheel
Balance wheel
Ensure rigid steady rest |
| Chatter in Radii |
Poor quality coolant
Dull diamond in radii attachment
Work head speed too high
Too high stock removal |
Check coolant concentrator
Check and replace
Slow work head speed
Reduce stock removal rate |
Thrust Face
Poor Geometry
(stepped/taper) |
Wheel too soft
Workspeed too high
Wheel speed too low
Tapered wall wheel too hard
|
Use harder acting,
better corner holding wheel
Workspeed too high Slow work speed
Increase wheel speed,
check correct pully
Use softer acting wheel |
Thrust Face
Burning |
One side burning -
poor diamond dressing
Both sides burning -
poor diamond dressing |
Redress and/or redress
at increased infeed
Use corner diamond dress
& check for worn diamond |
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