This paper addresses two fundamental thermal issues of tribology in orthogonal machining with a sharp tool, namely, the nature of the apparent heat partition in the shear plane and the variable heat partition at the chip-tool interface. A new model for the shear plane heat source was developed which does not require any assumption regarding the heat partition fraction a priori. Instead, this information is obtained as part of the solution. Similarly, a functional analysis approach was developed to determine the variable heat partition and the temperature distribution at the chip-tool interface due to the frictional heat source. The distribution of temperature in the chip, the tool, and the work material was determined analytically considering the combined effect of these two heat sources in orthogonal machining. The new analytical model was verified for a wide range of Peclet numbers, (0.5–40) using the available experimental data from the literature.
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October 2001
Technical Papers
Tribology in Metal Cutting—Some Thermal Issues
R. Komanduri, Fellow ASME,
R. Komanduri, Fellow ASME
Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK 74078
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Z. B. Hou
Z. B. Hou
Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK 74078
Search for other works by this author on:
R. Komanduri, Fellow ASME
Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK 74078
Z. B. Hou
Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK 74078
Contributed by the Tribology Division for publication in the ASME JOURNAL OF TRIBOLOGY. Manuscript received by the Tribology Division December 22, 2000; revised manuscript received January 9, 2001. Associate Editor: J. A. Tichy.
J. Tribol. Oct 2001, 123(4): 799-815 (17 pages)
Published Online: January 9, 2001
Article history
Received:
December 22, 2000
Revised:
January 9, 2001
Citation
Komanduri, R., and Hou, Z. B. (January 9, 2001). "Tribology in Metal Cutting—Some Thermal Issues ." ASME. J. Tribol. October 2001; 123(4): 799–815. https://doi.org/10.1115/1.1353589
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