Cemented carbide has the characteristics of high wear resistance, high hardness, good heat resistance and good chemical stability. A large number of carbide turning inserts, milling inserts, thread inserts and groovingg inserts made of cemented carbide materials are used in industrial production. It can process different materials. Common processed parts include cast iron, steel, stainless steel, aluminum, and some difficult to process materials, such as titanium alloy, high manganese steel, etc.