Has good thermal conductivity. CBN material thermal conductivity is lower than the diamond but much higher than the carbide, and with the cutting temperature increases, PCBN tool thermal conductivity is increasing, so the tip of the heat can quickly spread, is conducive to the workpiece machining accuracy The improvement.
Has a low coefficient of friction. CBN and the friction coefficient of different materials between 0.1 to 0.3, much lower than the friction coefficient of cemented carbide (0.4 ~ 0.6), and with the friction and positive pressure increases slightly reduced. So the low coefficient of friction and excellent

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