Patent ID: 8556546
Filing Date: 2013-10-15
Classification: B23C,Y10T

Abstract:
1. A cutting insert comprising: opposing end surfaces and a peripheral side surface extending therebetween, the peripheral side surface comprising a major side surface; a major cutting edge formed at the intersection of the major side surface with one of the end surfaces; wherein: the major side surface has recesses formed therein interrupting the major cutting edge at recessed cutting edge portions, each recessed cutting edge portion being located between two non-recessed cutting edge portions; each recessed cutting edge portion comprising, in an end view of the cutting insert, viewing the end surface with the major cutting edge, a curved central section located between two curved side sections, the central section having a first radius of curvature and each side section having a second radius of curvature, the first radius of curvature being larger than the second radius of curvature.