<p>The polishing disc (3) has multiple single-discs (12), which are swiveling arranged at the support (7) around a disc rotary axis. The disc rotary axes are arranged radially at a distance from the support rotary axis and distributed in circumferential direction at the support. The disc rotary axes are radially at a distance to the support rotary axis around the radius dimension of a single disk. The disc rotary axes are arranged uniformly at a distance to each other on a circumferential line.</p>
