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17719947765Artificial polycrystalline diamond composite (PCD) tool is a kind of super hard tool developed in 1960s. It is second only to natural diamond in hardness and wear resistance, low friction coefficient, high thermal conductivity, low linear expansion coefficient and high composite bending strength, and is applied to high-speed cutting of various non-ferrous metals and nonmetals. Its tool durability is tens to hundreds of times that of cemented carbide. China successfully developed artificial diamond in the 1960s. On this basis, a layer of polycrystalline diamond is sintered on the cemented carbide substrate by high temperature and high pressure technology, and the two forms an integrated tool blank. In this way, the high hardness and wear resistance of diamond are combined with the toughness of cemented carbide. This blade is called synthetic polycrystalline diamond composite, or PCD for short
PCD tools are mainly used for efficient cutting of non-ferrous metals and nonmetals. Such as aluminum and aluminum alloys, copper and copper alloys, hard alloys, engineering ceramics, graphite, plastics, rubber, laminates, silicone rubber, babbitt alloys, various composite materials, glass fiber reinforced plastics, etc. Especially in automobile manufacturing, aerospace, aviation, shipbuilding, engine manufacturing industries, it can be widely used
