Patent ID: 8371774
Filing Date: 2013-02-12
Classification: B23B,Y10T

Abstract:
1. A cutting insert comprising: a bearing surface and a rake surface being disposed opposite to and spaced apart from said bearing surface; at least one flank surface being disposed between and connecting said bearing surface and said rake surface; said at least one flank surface being disposed at an acute angle to said rake surface to form a positive clearance angle and at an obtuse angle to said bearing surface; a round or circular cutting edge disposed about a perimeter of said rake surface; said cutting edge including a first cutting edge point and a second cutting edge point; said first cutting edge point located at a maximum distance from a plane parallel to said bearing surface and perpendicular to a central axis of said cutting insert; said second cutting edge point located at a minimum distance from the plane parallel to the bearing surface, wherein the minimum distance is less than the maximum distance; and wherein each of said first and second cutting edge points are disposed at a radial distance from a central axis of the said cutting insert in such a way that each of said first and second cutting edge points are located in a cylindrical plane disposed about and parallel to the central axis of the cutting insert.