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Effect of cooling lubricant on surface roughness for turning stainless steel with binderless-cBN

: Uhlmann, E.; Oberschmidt, D.; Polte, J.; Polte, M.; Huth-Herms, K.

Bointon, P. ; European Society for Precision Engineering and Nanotechnology -EUSPEN-:
16th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2016. Proceedings : May 30th-3rd June 2016, Nottingham, UK
Bedford: Euspen, 2016
ISBN: 978-0-9566790-8-6
European Society for Precision Engineering and Nanotechnology (EUSPEN International Conference) <16, 2016, Nottingham>
Fraunhofer IPK ()

Binderless-cubic Boron Nitride (cBN) from the company SUMITOMO CORPORATION, Itami, Japan, is one of the most promising cutting materials providing the opportunity for direct cutting of steel with ultra-precision (UP) quality without additional equipment or coating of the workpiece. This work presents the latest development in the field of precision machining of hardened stainless steel with binderless-cBN. In this paper the influence of the feed f and the cooling lubricant on the surface roughness is shown for turning the hardened stainless steel STAVAX ESR (H = 52 HRC) from the company BÖHLER-UDDEHOLM, Düsseldorf, Germany. A surface roughness Ra = 9 nm and Rz = 42 nm could be achieved using binderless-cBN and the cooling lubricant W200SL of the company OPORTET, Duisburg, Germany.