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VNGA Tipped PCBN inserts are mainly used for the light load and stable cutting.

Higher hardness and better wear resistance.

BNT2 / BNT4 / BNT6 / BNT8 different cbn inserts grades are fit for your different machining.


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Transmission Shaft Turning

Workpiece:  Transmission Shaft             Material: 20 CrMo

Hardness: HRC58-65                             Insert Grade:  BNT8

Cutting parameter: 微信图片_20190616192717.png

Vc = 135m/min   ap = 0.1mm   f = 0.15mm/r                 

Surface Finish:Ra1.6 

Compared with other CBN inserts:  


The tool life increase at least 45%! 


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