Abstract
Material removal, at economic rates, from hardened workpieces has always presented a challenge and, until quite recently, abrasive machining processes were the only option for hard-facings. However, cutting tools based on polycrystalline cubic boron nitride (PCBN) have opened up the possibility of turning and milling as attractive alternatives for abrasion-resistant workpiece materials. This paper describes work carried out at the University of Hull to investigate the interaction between a high CBN content cutting tool material when turning an iron-based welded hard-facing material. Results of machining trials are reported and SEM photographs are presented, which show the failure mode of CBN. The behaviour of large carbide particles in the workpiece is of particular interest and has been studied using a modified ‘quick-stop’ procedure.
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© 1999 Springer-Verlag Wien
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Brookes, E.J., James, R.D., Ren, X. (1999). Hard Turning with PCBN Tooling. In: Kuljanic, E. (eds) AMST ’99. International Centre for Mechanical Sciences, vol 406. Springer, Vienna. https://doi.org/10.1007/978-3-7091-2508-3_9
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DOI: https://doi.org/10.1007/978-3-7091-2508-3_9
Publisher Name: Springer, Vienna
Print ISBN: 978-3-211-83148-9
Online ISBN: 978-3-7091-2508-3
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