Influence of tool material and tool wear on tool temperature in hard turning reconstructed via inverse problem solution

V. Kryzhanivskyy, V. Bushlya, O. Gutnichenko, R. M’Saoubi, J. E. Ståhl

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Abstract

In this work the cutting tool temperature distribution that develops during turning of hardened cold-work tool steel is modeled on the basis of experimental data. The data obtained from a series of thermocouples, placed on a PCBN insert, into an anvil, and into a toolholder, were used as the input for the model. An inverse problem was solved, where the heat fluxes were computed. The temperature distribution was modeled for the case of new tools, as well as for the case of its development in the course of a tool wear. The reconstructed temperature distributions were in good agreement with the measured data. The heat flux through rake face was found to be reducing with the decrease of thermal conductivity of the tool material.

Original languageEnglish
Pages (from-to)192-202
Number of pages11
JournalJournal of Superhard Materials
Volume39
Issue number3
DOIs
Publication statusPublished - 2017 May 1

Subject classification (UKÄ)

  • Metallurgy and Metallic Materials

Free keywords

  • inverse problem
  • PCBN
  • tool temperature

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