Tool and method for cutting rock for mining and oil drilling

摘要

The invention relates to a rock cutting tool and method for manufacturing the same, which comprises knives comprising a polycrystalline synthetic diamond (PDC) layer, a diamagnetic impregnation layer with diamond particles and bonding cobalt, characterized in that the PDC layer is supported directly, along a flat interface, on the diamond impregnation layer whose interface surface is planar by machining and on which diamond particles are exposed.