Temperature control and machine dynamics in chip breaking using CNC toolpaths

S. Smith, B. Woody, W. Barkman, D. Tursky

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The use of oscillating CNC toolpaths has been shown to provide a reliable chip breaking alternative to conventional methods. This paper builds on that work by assessing the effect of the oscillating toolpaths on the temperature during the cutting process. Keeping the interface temperature below a critical threshold reduces tool wear. This is particularly useful for machining in difficult materials where tool wear is an issue, and for materials which are pyrophoric. Thermal imaging results show a reduction in temperature for oscillating toolpaths. However, the choice of cutting conditions is affected by the capability of the machine tool to achieve the commanded toolpaths.

Original languageEnglish
Pages (from-to)97-100
Number of pages4
JournalCIRP Annals - Manufacturing Technology
Volume58
Issue number1
DOIs
StatePublished - 2009
Externally publishedYes

Funding

The authors wish to thank to the Center for Precision Metrology Affiliates at the University of North Carolina at Charlotte and the Y12 National Security Complex for their support of this research.

Keywords

  • Computer numerical control (CNC)
  • Cutting
  • Temperature

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