What do PCD cutters and PCBN cutters mean?
PCD is diamond tool. Diamond cutter. PCBN is cubic boron nitride.
CBN has high hardness, chemical inertness and thermal stability at high temperature, so it is widely used in grinding process as abrasive CBN grinding wheel. Due to the characteristics of CBN is superior to other tool materials, so people began to be applied to machining, but the small particles of CBN single crystal, it is difficult to make the tool, and the sintering of CBN is very poor, it is hard to be made of CBN sintered body, the larger until 1970s, the Soviet Union, China, countries such as Britain and the United States it have been successfully developed as CBN sintered, polycrystalline cubic boron nitride cutting tool PCBN (Polycrystalline Cubic Boron Nitride). Since then, PCBN with its superior cutting performance in various areas of cutting applications, especially in the high hardness materials, difficult machining materials in the cutting process is unique. After more than 30 years of development and application, there have been used to process different materials PCBN cutter material.
The PCBN tool is the cubic boron nitride cutting tools, cubic boron nitride CBN (Cubic Boron Nitride) is the first in 1950s by the U.S. General Electric Company (GE) using artificial synthetic method in high temperature and high pressure, and its hardness only to diamond is much higher than that of other materials, so it called super hard materials and diamond.
