Patent ID: 8740509
Filing Date: 2014-06-03
Classification: B23C,Y10T

Abstract:
1. A cutting insert for a cutting tool for the chip-removing high feed milling machining of workpieces, the cutting tool having a holder with a seat for receiving the cutting insert, comprising three cutting edges lying in a covering surface, wherein the cutting insert has a form of an equilateral triangle with one of the three cutting edges on each side, wherein the three cutting edges each have a first edge portion having a first radius of curvature, a second edge portion adjoining the first portion having a second radius of curvature, and a third edge portion adjoining the second edge portion having a third radius of curvature between the first radius of curvature and the second radius of curvature, wherein the first radius of curvature is less than the second radius of curvature and less than the third radius of curvature, wherein a peripheral line, running through all three cutting edges, of the covering surface is exclusively convexly curved.