A41 Tool Wear of CBN Insert shaped by Pulse Laser in Cutting of Hardened Steel
The Proceedings of The Manufacturing & Machine Tool Conference（2014）
Abstract
In order to alternate a high precision grinding of hardened steel with high precision cutting, it is proposed to form cutting edge of a CBN tool by using a nanosecond pulse laser. However, in order to process the components with good shape accuracy, it is necessary to suppress tool wear. In this paper, ultra-precision cutting experiments of hardened steel with coating CBN tools was carried out, and its tool wear was verified. As a result, coating CBN tools were able to suppress the flank wear. And surface roughness was smallest BNC 100 as compared to BN2000 and BNC200.
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Key words
pulse laser,cutting
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