METHOD OF MACHINING A WORKPIECE
First Claim
1. A method of machining a workpiece made of a material selected from a metal, metal matrix composite, wood, synthetic, ceramic and stone and synthetic construction materials includes the step of machining the workpiece using a tool which includes a tool component comprising a layer of polycrystalline diamond having a working surface, a softer layer containing a metal and bonded to the working surface of the polycrystalline diamond layer along an interface, the region of the layer of polycrystalline diamond adjacent the interface containing some metal from the softer layer.
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Abstract
The invention provides for a method of machining a workpiece made of a material selected from a metal, metal matrix composite, wood, synthetic, ceramic and stone and synthetic construction materials which includes the step of machining the workpiece using a tool which includes a tool component comprising a layer of polycrystalline diamond (12) having a working surface (16), a softer layer (20) containing a metal and bonded to the working surface (16) of the polycrystalline diamond layer (12) along an interface, the region (22) of the layer of polycrystalline diamond (12) adjacent the interface containing some metal from the softer layer (20).
25 Citations
21 Claims
- 1. A method of machining a workpiece made of a material selected from a metal, metal matrix composite, wood, synthetic, ceramic and stone and synthetic construction materials includes the step of machining the workpiece using a tool which includes a tool component comprising a layer of polycrystalline diamond having a working surface, a softer layer containing a metal and bonded to the working surface of the polycrystalline diamond layer along an interface, the region of the layer of polycrystalline diamond adjacent the interface containing some metal from the softer layer.
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19. (canceled)
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20. (canceled)
Specification