Cutting tool; has hard metal cutter that has cutting angle of -2 to +3 degrees to cut surface chamfer, which is as high as cutting thickness and has groove for chips formed near cut surface chamfer

摘要

The tool has a hard metal cutter that has a cutting angle of -2 deg to +3 deg to the cut surface chamfer (2). The cut surface chamfer is as high as the cutting thickness (3). The tool has a wedge angle ( beta ) of 80 deg -85 deg in the area of the cut surface chamfer. The tool has a groove (5) for chips formed near the cut surface chamfer. The tool preferably has a round cutter with a radius of 0.8-25 mm.