Patent ID: 9108253
Filing Date: 2015-08-18
Classification: B23B,B23C,Y10T

Abstract:
1. A roughing cutting insert for use in a chipforming material removal operation, the cutting insert comprising: a cutting insert body having a seating surface and a flank face, a corner cutting region at the intersection of a peripheral edge and the flank adjacent a corresponding corner thereof; the cutting insert body containing a central aperture; the seating surface containing a coolant delivery trough, the coolant delivery trough having a radial orientation toward the corresponding corner cutting region, the coolant delivery trough having a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture; and a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough, and each one of the topographical regions comprising a peripheral notch terminating at an intersection with the coolant delivery trough near the radial outward end thereof.