This model grinding head can be exchanged between abrasive belt and buffing wheel, polishing inside and outside of dish head with different grit abrasive belt (buffing wheel)to reach different requirements. 

During the polishing process, the running track of the grinding head is consistent with the curve of dish end surface. 

Combined with the grinding head floating technology, the grinding head is close to the surface of the workpiece during the polishing process, and it is uniformly ground, which is suitable for batch polishing.