DRILL SHARPENING DEVICE DRILL SHARPENING DEVICE

摘要

Device for sharpening twist drills (10) or the like, with a rotatably driven grinding wheel (12) and a chucking member (18) for the drill (10), which chucking member (18) can be pivoted about a pivoting axis (20) running at right angles to the drill axis and parallel to the grinding plane (16), in which arrangement the pivoting axis (20) of the chucking member (18) relative to the point of the drill (10) is at a distance (a) below the grinding plane (16) of the grinding wheel (12) in order to quickly and accurately produce a ground finish on two or four surfaces without an axial infeed movement of the drill (10). IMAGE