Stochastic modeling and analysis of spindle power during hard milling with a focus on tool wear

Xingtao Wang, Robert E. Williams, Michael P Sealy, Prahalad K. Rao, Yuebin Guo

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The rapid development of modern science and technology brings with it a high demand for manufacturing quality. The surface integrity of a machined part is a critical factor which needs to be considered in the selection of the appropriate machining processes. Surface integrity is also tightly linked with tool wear. Tool wear is one of the most significant and necessary parameters to be considered for machining sustainability. By monitoring and predicting tool wear, it is possible to improve sustainability by reducing the scrap rate due to poor surface integrity. In this work, data-dependent systems (DDS), a stochastic modeling and analysis technique, was applied to study the power of spindle motor during a hard milling operation. The objective was to correlate the spindle power to tool wear conditions using DDS analysis. The spindle power was monitored, and the time series trends were decomposed to study the frequency variation with different severities of tool wear conditions and processing parameters. Analysis of variance (ANOVA) was also used to determine factors significant to the power by a spindle motor. Experiments indicate that low-level frequency of spindle power is correlated with the amount of tool wear, cutting speed, and feed per tooth. The results suggest that effective tool wear monitoring may be achieved by focusing on low-level frequencies highlighted by DDS methodology.

Original languageEnglish (US)
Article number111011
JournalJournal of Manufacturing Science and Engineering, Transactions of the ASME
Volume140
Issue number11
DOIs
StatePublished - Nov 1 2018

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Wear of materials
Sustainable development
Machining
Monitoring
Analysis of variance (ANOVA)
Time series
Systems analysis
Processing
Experiments

Keywords

  • ANOVA
  • DDS
  • frequency
  • spindle power
  • tool wear

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering
  • Computer Science Applications
  • Industrial and Manufacturing Engineering

Cite this

Stochastic modeling and analysis of spindle power during hard milling with a focus on tool wear. / Wang, Xingtao; Williams, Robert E.; Sealy, Michael P; Rao, Prahalad K.; Guo, Yuebin.

In: Journal of Manufacturing Science and Engineering, Transactions of the ASME, Vol. 140, No. 11, 111011, 01.11.2018.

Research output: Contribution to journalArticle

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