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

Research output: Contribution to journalArticlepeer-review

Abstract

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.
Original languageEnglish
Pages (from-to)49-60
JournalJournal of Superhard Materials
Volume36
Issue number1
DOIs
Publication statusPublished - 2014

Subject classification (UKÄ)

  • Materials Engineering

Free keywords

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

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