Minimum quantity lubrication (MQL) has been used as an alternative solution for flood cooling as well as dry machining. However, the benefit of MQL is only realized in mild machining conditions as the heat generation during more aggressive machining conditions cannot be effectively eliminated by the small amount of oil mist being applied during MQL process. To extend the applicability of MQL to more aggressive machining conditions, we have developed a potential additive to MQL lubricant. After the preliminary wetting angle measurement of the various lubricants, one commercially available MQL vegetable oil was chosen, which is then mixed in a high-speed mixer with exfoliated nanographene particles. The resulting nanoenhanced MQL lubricant was evaluated for its tribological and machining behaviors together with the suspension stability of the mixture. Friction coefficients of new nanoenhanced MQL oil were also measured in terms of loads, speeds and lubricants. Finally, MQL-ball milling tests with nanographene enhanced lubricant were performed to show a remarkable performance improvement in reducing both central wear and flank wear as well as edge chipping at cutting edge.
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July 2011
Research Papers
Effect of Nano-Enhanced Lubricant in Minimum Quantity Lubrication Balling Milling
Kyung-Hee Park,
Kyung-Hee Park
Manufacturing System R&D Department, Korea Institute of Industrial Technology
, 35-3 Hongcheon-ri, Ipjang-myeon, Cheonan-si, Chungcheongnam-do, 330-825, Republic of Korea
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Brent Ewald,
Brent Ewald
Department of Mechanical Engineering, Michigan State University
, East Lansing
, MI 48824 e-mail:
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Patrick Y. Kwon
Patrick Y. Kwon
Department of Mechanical Engineering, Michigan State University
, East Lansing
, MI 48824 e-mail:
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Kyung-Hee Park
Manufacturing System R&D Department, Korea Institute of Industrial Technology
, 35-3 Hongcheon-ri, Ipjang-myeon, Cheonan-si, Chungcheongnam-do, 330-825, Republic of Korea
e-mail:
Brent Ewald
Department of Mechanical Engineering, Michigan State University
, East Lansing
, MI 48824 e-mail:
Patrick Y. Kwon
Department of Mechanical Engineering, Michigan State University
, East Lansing
, MI 48824 e-mail: J. Tribol. Jul 2011, 133(3): 031803 (8 pages)
Published Online: July 28, 2011
Article history
Received:
September 20, 2010
Revised:
June 6, 2011
Online:
July 28, 2011
Published:
July 28, 2011
Citation
Park, K., Ewald, B., and Kwon, P. Y. (July 28, 2011). "Effect of Nano-Enhanced Lubricant in Minimum Quantity Lubrication Balling Milling." ASME. J. Tribol. July 2011; 133(3): 031803. https://doi.org/10.1115/1.4004339
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