Patent ID: 9211597
Filing Date: 2015-12-15
Classification: B23B,B23C,Y10T

Abstract:
1. A rotary cutting tool having rotary axis (A), comprising: one or more cutting portions including a cutting insert and an insert pocket formed on a body of the cutting tool for mounting the cutting insert; said insert pocket having a top surface with one or more projecting portions with a shape of serration, a bottom supporting surface opposing the top surface and a radial inner rear supporting surface connecting the top surface and the bottom supporting surface; said cutting insert having a top surface mating with said one or more projecting portions with a shape of serration of the insert pocket, a bottom surface mating with the bottom supporting surface of the insert pocket, and a radial inner side surface connecting to the cutting insert's top and bottom surfaces, wherein the radially inner side surface mates with the insert pocket's radially inner rear supporting surface; wherein the top surface of the cutting insert comprises one or more outwardly sloped surfaces mating with the one or more projecting portions on the top surface of the insert pocket and one or more inwardly sloped surfaces positioned off the one or more projecting portions of the insert pocket.