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Tool wear and tool life of PCBN, binderless cBN and wBN-cBN tools in continuous finish hard turning of cold work tool steel

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Author

Summary, in English

The paper presents the results of comparative study of performance of cutting tools made of ceramic-bound, binderless cBN, and wBN-cBN tool materials. The tool performance was assessed by tool wear-resistance, values of cutting forces, parameters of machined surface quality, and the state of sub-surface layer generated in continuous turning of hardened cold work tool steel. The tests were carried out under conditions of high speed machining (v (c) = 120-180 m/min) both with and without a coolant. The best tool performance by the above-mentioned criteria is provided by a low-cBN material with ceramic binder.

Publishing year

2014

Language

English

Pages

49-60

Publication/Series

Journal of Superhard Materials

Volume

36

Issue

1

Document type

Journal article

Publisher

Springer

Topic

  • Materials Engineering

Keywords

  • CBN
  • wear
  • white layer
  • coldwork steels
  • hard turning

Status

Published

ISBN/ISSN/Other

  • ISSN: 1934-9408