Polygonal vibration marks and ripples on the surface of the roller are caused by vibration of the grinding wheel relative to the roller during grinding.
The precautionary measures：
- Grinding wheel static balance;
- Balance of the motor;
- Vibration reduction of Motor
- Vibration reduction of transmission belt;
- Improve the vibration resistance of Wheelhead
- Select appropriate grinding amount;
- Select the appropriate grinding wheel and dress the grinding wheel timely after the grinding wheel is blunt. Pay attention to the installation position of the diamond dresser.