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Automotive Troubleshooting
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| Problem |
Possible Causes |
Suggested Correction |
Wheel Loading
(metal lodged in
wheel pores) |
Wheel too fine
Wheel too hard
Wheel too finely dressed
Poor coolant
Insufficient wheel breakdown |
Use coarser grit wheel
Use softer grade wheel
Give a more open dressing to wheel
Increase supply and clean coolant
Increase work and traverse speeds |
| Chatter marks |
Wheel too hard
Spindle material not rigid enough
Defective belt
Wheel out of balance or truth
Dust or other particles
inside wheel motor pulley
Worn spindle
Machine not on solid foundation
|
Use softer wheel
Replace spindle
Replace belt
Balance and/or true wheel . . .
avoid use of bushed wheels
Clean inside surface of pulleys
Replace spindle
Assure machine is properly aligned
and not adjacent to heavy vibrating machines
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