Abstract: An apparatus is described for reworking a steel edge of a ski (1), comprising at least one grinding apparatus (16) made of a cup-like grinding wheel (18) which is driven by a motor (17) and comprises a rotational axis extending transversally to the direction of feed (10), a bearing block (15) arranged on a feed carriage (9) which forms an oscillating axis (b) for the grinding device (16) extending transversally to the direction of feed (10) and perpendicular to the rotational axis of the grinding wheel (18), a guide means (8) for the feed carriage (9) which is held in a transverse carriage (6) movable transversally to the direction of feed and is rotatable about an axis (a) extending in the direction of feed, and an adjusting device for the angular position of the guide means (8) of the feed carriage (9).