Coated cutting tool insert for turning of steels

Coated cutting tool insert for turning of steels

  • CN 102,471,896 B
  • Filed: 06/29/2010
  • Issued: 03/22/2017
  • Est. Priority Date: 07/27/2009
  • Status: Active Grant
First Claim
Patent Images

1. a kind of coated cutting tool, which includes hard alloy cutter hub and coating, it is characterised in that:

  • - hard alloy the cutter hub is by WC, 4.0-7.0 weight %Co, 0.25-0.50 weight %Cr composition, and S- values are 0.68-0.88, coercivity H is 28-38kA/m,Adjacent- by the coating that the thickness of CVD deposition is 11 to 24 μ

    m, the wherein at least the superiors are the α

    -Al that thickness is 7-12 μ

    m2O3Layer, its<

    006>

    The texturing of-direction, texture coefficient TC (006)>

    2, meanwhile, TC (012), TC (110), TC (113), TC(202), TC (024) and TC (116) be<

    1 and TC (104) are the second highly-textured coefficient, and texture coefficient TC (hkl) is definedFor:

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