Rotary cutting tool having pcd cutting tip

Rotary cutting tool having pcd cutting tip

  • CN 102,451,930 A
  • Filed: 04/26/2011
  • Published: 05/16/2012
  • Est. Priority Date: 10/19/2010
  • Status: Active Application
First Claim
Patent Images

1. a rotary cutting tool (20,100,300) comprising:

  • Around a long and narrow body of a longitudinal axis (A-A) configuration, this long and narrow body comprises a helicla flute (32) and a polycrystalline diamond cutting blade tip (22), and this cutting blade tip (22) has a working face, and it comprises;

    The pointed portion of the axial protrusion of an inside (50), this pointed portion have a square corner (γ


    AndThe shoulder part (52) of an outside, this shoulder partly has an outer wedge angle (Γ

    ) that is different from said square corner (γ


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