Patent ID: 7862262
Filing Date: 2011-01-04
Classification: B23C,Y10T

Abstract:
1. A milling cutter adapted to rotate about a longitudinal axis thereof during a milling operation, the milling cutter comprising a shank section joined to a cutting section, the cutting section being substantially tapered, having a varying transverse cross section diminishing from the shank section to an end of the cutting section, the cutting section including a hard metal body with a plurality of peripheral cutting teeth substantially equally spaced by a plurality of radially concavely curved flutes, the peripheral teeth and flutes extending in a helical direction around the cutting section, each of the peripheral cutting teeth having a rake face, a cutting edge, a land and a clearing face, the rake face extending from the cutting edge toward, and being smoothly connected with, a concavely curved bottom of an adjacent flute, each cutting edge being defined on a circular periphery of the hard metal body, the number of flutes being greater than 14.