Patent ID: 6695550
Filing Date: 2004-02-24
Classification: B23B,Y10T

Abstract:
Reversible cutting plate made from ceramic material for chucking in a cutting tool for machining cast materials, the reversible cutting plate having first and second opposed major surfaces, with each corner of each major surface of the reversible cutting plate having a minor cutting edge and a major cutting edge, characterised in that the corners of each major surface of the reversible cutting plate are ground, pressed or injected to form a triangular face, at least one edge of the triangular face being defined by a major cutting edge, the triangular face having at least one incline, and the triangular face extends into the cutting plate a distance along a diagonal of the major surface of approximately one quarter of a length of the diagonal of the major surface wherein the minor cutting edges are provided with a planar supporting surface along their lengths at their outer edges.