Patent ID: 6588990
Filing Date: 2003-07-08
Classification: B23C,Y10T

Abstract:
A milling cutter, comprising:a milling cutter body having a plurality of peripheral cutting edges and a plurality of non-cutting edges disposed around a circumferential cutting direction, and with a transverse cross-sectional shape of a convex polygon, wherein said convex polygon has in cross-section a plurality of cutting apex points defined by respective ones of the plurality of cutting edges and a plurality of non-cutting apex points defined by respective ones of the plurality of non-cutting edges with each cutting apex point disposed between consecutive ones of the non-cutting apex points and connected to one non-cutting apex point by a rake face in the circumferential cutting direction and connected to the other non-cutting apex point by a relief face in a direction opposite the circumferential cutting direction, the rake face being longer than the relief face as viewed in cross-section.