Patent ID: 8517804

Claim:
An apparatus for finishing circumferential surfaces of substantially cylindrical workpiece portions on workpieces, wherein the apparatus is configured as a belt finishing machine and comprises: a cutting means provided on a finishing belt; at least one pressing device for pressing the finishing belt and cutting means onto the circumferential surface of a workpiece; a rotary device for generating a rotary motion of the workpiece about a workpiece axis; and an oscillation device for generating an oscillating relative motion, aligned parallelwise in relation to the workpiece axis, between the workpiece and the at least one pressing device in such a way that the cutting means is pressed onto the circumferential surface with a pressing force over a contact angle; wherein the pressing device is steplessly adaptable for the machining of workpiece portions of differing diameters that have a diameter difference of at least 0.1 mm, wherein the pressing device comprises at least one elastically flexible pressing band, which is substantially inelastic in a band direction, the pressing band being fastened to two bearings of a carrier element that are arranged at a distance from one another, and wherein the pressing device comprises anti-slip means configured to impede slippage of the finishing belt relative to the pressing band when the pressing device presses the finishing belt onto the circumferential surface of the workpiece, the anti-slip means being provided on a front side of the pressing band facing the workpiece.