Patent ID: 7591614
Filing Date: 2009-09-22
Classification: B23C,Y10T

Abstract:
1. A cutting insert having a centerline axis perpendicular to both a horizontal axis (x-axis) and a vertical axis (y-axis), the vertical and horizontal axes being perpendicular to each other in a two-dimensional plane and intersecting the centerline axis to define four quadrants, the cutting insert comprising: a top surface; a bottom surface; a plurality of clearance side surfaces extending between the top and bottom surfaces; a cutting edge formed at an intersection between the top surface and the plurality of clearance side surfaces; and a serration formed in each clearance side surface, wherein two of the four quadrants that are diagonally opposite each other do not have serrations, and wherein the other two of the four quadrants that are diagonally opposite each other include a pair of serrations.