In the field of hard turning, PCBN polycrystalline cubic boron nitride inserts occupy a large proportion. PCBN inserts are widely used in hard turning due to their high hardness, good wear resistance,
Polycrystalline diamond (PCD) is a polycrystal formed by mixing micron-sized diamond powder with a small amount of metal powder (such as CO) and sintering at high temperature (1400°C) and high pressure (6000MPa). The disordered arrangement of diamond grains gives PCD uniform, extremely high hardness and wear resistance.
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