A study has been made of deformation, forces and energy in modulation-assisted machining (MAM), wherein chip formation occurs in the presence of a controlled, low-frequency modulation superimposed on to the machining. A unique feature of the study is the use of high speed in situ imaging and image analysis to map material flow in the chip formation zone at high resolution; and simultaneous measurements of tool motions and forces, such that the instantaneous forces can be overlaid onto the chip formation process. The measurements show that the observed significant reductions in specific energy in MAM relative to conventional machining, when cutting ductile metals such as copper and Al 6061T6, are a consequence of chip formation with reduced strain levels in MAM. Additional insights into the chip formation are obtained by examining the effects of a chip aspect ratio parameter.
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ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference
June 9–13, 2014
Detroit, Michigan, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-4581-3
PROCEEDINGS PAPER
A Comparative Study of Energy and Material Flow in Modulation-Assisted Machining and Conventional Machining Available to Purchase
James B. Mann,
James B. Mann
M4 Sciences LLC, West Lafayette, IN
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W. Dale Compton,
W. Dale Compton
Purdue University, West Lafayette, IN
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Srinivasan Chandrasekar
Srinivasan Chandrasekar
Purdue University, West Lafayette, IN
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Ho Yeung
Purdue University, West Lafayette, IN
Yang Guo
M4 Sciences LLC, West Lafayette, IN
James B. Mann
M4 Sciences LLC, West Lafayette, IN
W. Dale Compton
Purdue University, West Lafayette, IN
Srinivasan Chandrasekar
Purdue University, West Lafayette, IN
Paper No:
MSEC2014-4040, V002T02A001; 8 pages
Published Online:
October 3, 2014
Citation
Yeung, H, Guo, Y, Mann, JB, Compton, WD, & Chandrasekar, S. "A Comparative Study of Energy and Material Flow in Modulation-Assisted Machining and Conventional Machining." Proceedings of the ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference. Volume 2: Processing. Detroit, Michigan, USA. June 9–13, 2014. V002T02A001. ASME. https://doi.org/10.1115/MSEC2014-4040
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