In drilling, chip-clogging results in increased drilling temperature, excessive tool wear, and poor hole quality. Especially, in microdrilling, low rigidity of the tool and inability of cutting fluid to penetrate narrower tool–workpiece interface significantly reduce the drilling performance. A novel bubble-mixed cutting fluid delivery method proposed in this research aims toward achieving a high-performance micro deep-hole drilling process with a significant reduction in the consumption of cutting fluid. Experimental results show that the bubble-mixed cutting fluid delivery method achieves lower thrust force during drilling, higher drilled depth before tool breakage, and lower dimensional and circularity errors when machining deep holes in comparison with dry cutting or conventional flood delivery method. It is also found that the smaller-sized bubbles effectively penetrate the tool–workpiece interface during the drilling producing deeper holes by better chip evacuation and cooling.
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June 2019
Technical Briefs
Experimental Investigation of Bubble-Mixed Cutting Fluid Delivery for Micro Deep-Hole Drilling
Chi-Ting Lee,
Chi-Ting Lee
Department of Mechanical Science and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
e-mail: chiting2@illinois.edu
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
e-mail: chiting2@illinois.edu
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Soham S. Mujumdar,
Soham S. Mujumdar
Department of Mechanical Engineering,
Indian Institute of Technology Bombay IIT Bombay,
Powai, Mumbai 400076, India
e-mail: sohammujumdar@iitb.ac.in
Indian Institute of Technology Bombay IIT Bombay,
Powai, Mumbai 400076, India
e-mail: sohammujumdar@iitb.ac.in
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Shiv G. Kapoor
Shiv G. Kapoor
Professor
Mem. ASME
Department of Mechanical Science and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
Mem. ASME
Department of Mechanical Science and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
1Corresponding author.
Search for other works by this author on:
Chi-Ting Lee
Department of Mechanical Science and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
e-mail: chiting2@illinois.edu
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
e-mail: chiting2@illinois.edu
Soham S. Mujumdar
Department of Mechanical Engineering,
Indian Institute of Technology Bombay IIT Bombay,
Powai, Mumbai 400076, India
e-mail: sohammujumdar@iitb.ac.in
Indian Institute of Technology Bombay IIT Bombay,
Powai, Mumbai 400076, India
e-mail: sohammujumdar@iitb.ac.in
Shiv G. Kapoor
Professor
Mem. ASME
Department of Mechanical Science and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
Mem. ASME
Department of Mechanical Science and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
1Corresponding author.
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MICRO-AND NANO-MANUFACTURING. Manuscript received November 12, 2018; final manuscript received June 4, 2019; published online July 25, 2019. Assoc. Editor: Martin Jun.
J. Micro Nano-Manuf. Jun 2019, 7(2): 024508 (5 pages)
Published Online: July 25, 2019
Article history
Received:
November 12, 2018
Revised:
June 4, 2019
Citation
Lee, C., Mujumdar, S. S., and Kapoor, S. G. (July 25, 2019). "Experimental Investigation of Bubble-Mixed Cutting Fluid Delivery for Micro Deep-Hole Drilling." ASME. J. Micro Nano-Manuf. June 2019; 7(2): 024508. https://doi.org/10.1115/1.4043959
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