| Problem | Cause | Correction |
|---|---|---|
| Wheel loading (metal lodged in wheel pores) | Wheel too fine | Use coarser grit wheel |
| Wheel too hard | Use softer grade wheel | |
| Wheel too finely dressed | Give a more open dressing to wheel | |
| Poor coolant | Increase supply and clean coolant | |
| Insufficient wheel breakdown | Increase work and traverse speeds |
