Kennametal Inc.
Tangentially mounted indexable cutting insert with segmented cutting edge and triangular-shaped margin

Abstract:

A cutting insert having two opposing end surfaces, two identical opposing major side surfaces and two identical opposing minor side surfaces. Each end surface has four corners with two lowered corners and two raised corners, the two lowered corners being diagonally opposite each other, the two raised corners being diagonally opposite each other. The cutting insert also includes a major cutting edge formed at an intersection of each major edge and the end surface. A first section of the major cutting edge proximate the raised corner constitutes a leading end of the major cutting edge, and a second section of the major cutting edge proximate the lowered corner constitutes a trailing end of the major cutting edge. An angled margin only partially extends along the leading end of the major cutting edge and segments the major cutting edge.