Supply welding edge very ultrafine particles Diamond tungsten carbide face milling cutter life (wear resistance), and performance for domestic carbide face milling cutter 4 to 6 times, repeat grinding as a whole up to more than 10 times; HSS (6542) high-speed tool steel face milling cutter life of 30 to 50 times or more. Tool (which can greatly reduce the overall costs, improve product quality and processing efficiency).