1/16/2012

CBN Grade for Hardened Steel

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Specifically designed for turning die steels and bearing steels with hardnesses of 50 HRc and higher, the BN2000 provides high wear resistance and robust toughness.

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Specifically designed for turning die steels and bearing steels with hardnesses of 50 HRc and higher, the BN2000 provides high wear resistance and robust toughness. The BN2000 boasts a newly developed CBN substrate consisting of a ceramic binder with exceptional purity. While impure binders contribute to premature chipping and cutting edge wear, the purity of the BN2000 significantly reduces tool failure, manufacturer Sumitomo Electric Carbide says.
 
The grade excels in both continuous to medium interrupted hardened steel finishing applications. This application range makes it suitable for even small bores that may require lower SFMs—speeds conventional CBN cannot match. Along with its exceptional tool life, the improved edge sharpness offers customers consistent parts with the capability of attaining surface finishes as low as 3.2 Ra, the company says. 


 

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