METHOD OF MACHINING A WORKPIECE

摘要

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).