Improved cutting edge and cutter with the cutting edge

Improved cutting edge and cutter with the cutting edge

  • CN 203,437,673 U
  • Filed: 08/29/2013
  • Issued: 02/19/2014
  • Est. Priority Date: 08/29/2013
  • Status: Active Grant
First Claim
Patent Images

1. an improved cutting edge, it is characterized in that, this cutting edge has positive rake angle, positive relief angle, negative relief angle and rake face, and the bottom of described positive rake angle caves inward and forms a chip-breaker, from the tip of described cutting edge, extremely forms " J " font in the base of described chip-breaker.

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