The material of pcd tool is synthetic polycrystalline diamond, with hardness of HV10000 and service life of 5 times that of cemented carbide tool. It is mainly used to process nonferrous metal materials and non-metallic materials, such as gold, silver, aluminum, aluminum casting alloy, copper alloy, magnesium alloy, synthetic fiber, carbon fiber, glass, plastic, wood and composite materials. Metal materials cannot be processed because of chemical reaction