| Problem | Cause | Correction |
|---|---|---|
| Poor surface finish or quality of grind | Wheel too soft | Dress wheel finer or use hard grade wheel |
| Wheel too coarse | Dress wheel finer or use finer grit wheel | |
| Poor wheel dressing | Check diamond sharpness and redress | |
| Machine vibration | Check worn bearings and clamping | |
| Dirty coolant | Clean coolant through filter |
