Patent ID: 8657539
Filing Date: 2014-02-25
Classification: B23B,B23C,Y10T

Abstract:
1. A round cutting insert comprising: a first outer surface that terminates generally outwardly in a first cutting edge and terminates generally inwardly in a first inner edge; a first inner surface extending generally inwardly from the first inner edge toward a non-cylindrical opening that extends axially through the cutting insert; a plurality of first dimples formed in the first inner surface between the first inner edge and the opening; a second outer surface that terminates generally outwardly in a second cutting edge and terminates generally inwardly in a second inner edge; a second inner surface extending generally inwardly from the second inner edge; a plurality of second dimples formed in the second inner surface between the second inner edge and the opening; and a generally circular side portion that extends between the first outer surface and the second outer surface, wherein each of the plurality of first dimples includes a bottom surface and a tapered sidewall extending from the bottom surface to the first inner surface, and wherein each of the plurality of second dimples includes a bottom surface and a tapered sidewall extending from the bottom surface to the second inner surface, and wherein one of the plurality of first dimples or one of the plurality of second dimples cooperates with a projection formed on a support surface of an insert receiving pocket in a tool body to prevent rotation of the cutting insert when mounted in the insert receiving pocket.