At present, the tool materials on the market are carbide cutting tools, ceramic cutting tools and cubic boron nitride tools. The performance of the three types of cutting tools must be known to the manufacturer. Among them, carbide cutting tools are currently the mainstream tools, but they are only suitable for processing HRC40. The following workpiece materials: Although the ceramic cutter is suitable for processing ferrous metal workpieces between HRC45-55, but because of brittleness is only suitable for the finishing process, and the workpiece with small margin, for the repair of workpieces such as surfacing or spray welding Not recommended for use. At present, non-cubic boron nitride is a tool material that can be used to machine hard workpieces.
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