PCBN CUTTING TOOL COMPONENTS

摘要

A cutting tool component (10) comprising a body comprising a cemented carbide substrate (12) and having at least one working surface (14), the at least one working surface presenting a cutting edge or area (16) for the body, the at least one working surface (14) comprises PCBN adjacent the cutting edge or area (16) and extending to a depth of no greater than 0.2 mm from the at least one working surface and wherein the substrate (12) has a thickness of 1.0 to 40 mm.