Patent ID: 6669412
Filing Date: 2003-12-30
Classification: B23C,Y10T

Abstract:
A cutting insert comprising:a plurality of main cutting teeth each having a honing angle &agr;; a sub cutting tooth having a honing angle &bgr;; and a plurality of corner teeth connecting said plurality of main cutting teeth, respectively, and said sub cutting tooth, said plurality of corner teeth each having honing angles including a maximum honing angle &ggr;1, wherein: said honing angles &agr;, &bgr; and &ggr;1 are angles measured for inclinations of said main cutting tooth, sub cutting tooth and corner tooth, respectively; said honing angle &agr; is larger than said honing angle &bgr; and smaller than said maximum honing angle &ggr;1; and said sub cutter tooth is positioned between two of said plurality of corner teeth.