Composite rotary tool and tool fabrication method

Composite rotary tool and tool fabrication method

  • CN 1,423,586 B
  • Filed: 12/11/2000
  • Issued: 03/12/2014
  • Est. Priority Date: 12/14/1999
  • Status: Active Grant
First Claim
Patent Images

1. a composite rotating cutter, comprising:

  • One elongated portion, comprises core area and the perimeter of at least coaxial setting, and the described perimeter of described elongated portion forms the cutting edge of a spiral trend, and described core area is bonded in described perimeter in self-brazing mode;

    Described core area comprises one first Hardmetal materials, and the elastic modelling quantity of this first Hardmetal materials is 90 * 10 6psi(6.2 * 10 5mPa) to 95 * 10 6psi(6.55 * 10 5mPa);

    Described perimeter comprises one second Hardmetal materials, and the elastic modelling quantity of this second Hardmetal materials is 69 * 10 6psi(4.76 * 10 5mPa) to 92 * 10 6psi(6.34 * 10 5mPa), The elastic modelling quantity of described the second Hardmetal materials is selected to the elastic modelling quantity that is different from and is less than described the first Hardmetal materials.

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