PVDF sensor based characterization of chip segmentation in cutting of Ti-6Al-4V alloy

Vinh Nguyen, Patxi Fernandez-Zelaia, Shreyes N. Melkote

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

This paper presents a study of chip segmentation in orthogonal cutting of Ti-6Al-4V alloy using a low-cost high fidelity measurement system consisting of a polyvinylidene fluoride (PVDF) thin film piezoelectric dynamic strain sensor. The sensor is shown to be capable of measuring the chip segmentation frequency over a range of cutting conditions. In addition, the sensor is used to characterize the effect of tool wear on chip segmentation frequency and amplitude. Results show that the segmentation frequency increases while the segmentation amplitude decreases with tool wear. Physical reasons for the observed trends are given.

Original languageEnglish
Pages (from-to)73-76
Number of pages4
JournalCIRP Annals - Manufacturing Technology
Volume66
Issue number1
DOIs
StatePublished - 2017
Externally publishedYes

Keywords

  • Chip segmentation
  • Cutting
  • Sensor

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