The poor thermal conductivity and low elongation-to-break ratio of titanium lead to the development of extreme temperatures (in excess of 550 °C) localized in the tool–chip interface during machining of its alloys. At such temperature level, titanium becomes highly reactive with most tool materials resulting in accelerated tool wear. The atomization-based cutting fluid (ACF) spray system has recently been demonstrated to improve tool life in titanium machining due to good cutting fluid penetration causing the temperature to be reduced in the cutting zone. In this study, the cutting temperatures are measured both by inserting thermocouples at various locations of the tool–chip interface and the tool–work thermocouple technique. Cutting temperatures for dry machining and machining with flood cooling are also characterized for comparison with the ACF spray system temperature data. Findings reveal that the ACF spray system more effectively reduces cutting temperatures over flood cooling and dry conditions. The tool–chip friction coefficient indicates that the fluid film created by the ACF spray system also actively penetrates the tool–chip interface to enhance lubrication during titanium machining.
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April 2015
Technical Briefs
On Cutting Temperature Measurement During Titanium Machining With an Atomization-Based Cutting Fluid Spray System
Alexander C. Hoyne,
Alexander C. Hoyne
1
Department of Mechanical Science and Engineering,
e-mail: ahoyne2@gmail.com
University of Illinois at Urbana–Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: ahoyne2@gmail.com
1Present address: Mechanical Engineer, John Deere, Waterloo, IA 50704.
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Chandra Nath,
Chandra Nath
2
Post Doctorate Research Associate
Department of Mechanical Science and Engineering,
e-mail: nathc2@asme.org
Department of Mechanical Science and Engineering,
University of Illinois at Urbana–Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: nathc2@asme.org
2Present address: Postdoctoral Fellow, George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332.
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Shiv G. Kapoor
Shiv G. Kapoor
3
Professor
Department of Mechanical Science and Engineering,
e-mail: sgkapoor@illinois.edu
Department of Mechanical Science and Engineering,
University of Illinois at Urbana–Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
3Corresponding author.
Search for other works by this author on:
Alexander C. Hoyne
Department of Mechanical Science and Engineering,
e-mail: ahoyne2@gmail.com
University of Illinois at Urbana–Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: ahoyne2@gmail.com
Chandra Nath
Post Doctorate Research Associate
Department of Mechanical Science and Engineering,
e-mail: nathc2@asme.org
Department of Mechanical Science and Engineering,
University of Illinois at Urbana–Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: nathc2@asme.org
Shiv G. Kapoor
Professor
Department of Mechanical Science and Engineering,
e-mail: sgkapoor@illinois.edu
Department of Mechanical Science and Engineering,
University of Illinois at Urbana–Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
1Present address: Mechanical Engineer, John Deere, Waterloo, IA 50704.
2Present address: Postdoctoral Fellow, George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332.
3Corresponding author.
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received July 2, 2014; final manuscript received September 29, 2014; published online December 12, 2014. Assoc. Editor: Y. B. Guo.
J. Manuf. Sci. Eng. Apr 2015, 137(2): 024502 (6 pages)
Published Online: April 1, 2015
Article history
Received:
July 2, 2014
Revision Received:
September 29, 2014
Online:
December 12, 2014
Citation
Hoyne, A. C., Nath, C., and Kapoor, S. G. (April 1, 2015). "On Cutting Temperature Measurement During Titanium Machining With an Atomization-Based Cutting Fluid Spray System." ASME. J. Manuf. Sci. Eng. April 2015; 137(2): 024502. https://doi.org/10.1115/1.4028898
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