Cutting tool insert

Cutting tool insert

  • CN 1,721,107 A
  • Filed: 07/05/2005
  • Published: 01/18/2006
  • Est. Priority Date: 07/05/2004
  • Status: Active Application
First Claim
Patent Images

1. the cutting tool insert that is used for metal processing, comprise coating and substrate with at least one wearing layer, and described blade also comprises clearance face and the rake face that intersects the formation cutting edge, it is characterized in that, this cutting edge does not have the cutting edge radius substantially, at least remove coating from close cutting edge by grinding, and the coating on the rake face has the surface roughness less than 0.3 μ

  • m on the datum length of 0.25mm in clearance face.

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