Patent ID: 9095910
Filing Date: 2015-08-04
Classification: B23B,Y10T

Abstract:
1. A cutting insert comprising: a top surface; an edge surface; a cutting edge between the top surface and the edge surface, the cutting edge being symmetrical about a centerline, wherein the cutting edge has a first edge radius at a first point at the centerline of the cutting edge and a different, second edge radius at second points on opposite sides of and remote from the centerline of the cutting edge, the first edge radius being larger than the second edge radius, the top surface including a land surface between the cutting edge and a remaining portion of the top surface, the land surface defining a surface that is distinct from the remaining portion of the top surface, and in that a width of the land surface behind the cutting edge at the first point at the center of the cutting edge is different than the width of the land surface behind the second points.