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TECHNICAL PAPERS

Influence of Thermal Effects on Hole Quality in Dry Drilling, Part 1: A Thermal Model of Workpiece Temperatures

[+] Author and Article Information
Shiva Kalidas, Shiv G. Kapoor, Richard E. DeVor

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801-2906

J. Manuf. Sci. Eng 124(2), 258-266 (Apr 29, 2002) (9 pages) doi:10.1115/1.1455645 History: Received October 01, 2000; Revised August 01, 2001; Online April 29, 2002
Copyright © 2002 by ASME
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References

Figures

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Predicted and measured temperature rise for validation test condition 13 (a), test condition 16 (b) and test condition 18 (c)
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Measured temperature rise and model temperature rise profiles for test condition 1 (a), for test condition 8 (b), for test condition 9 (c) and for test condition test 11 (d)
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Measured forces and temperatures in wet and dry drilling with HSS drills (No Coating)
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Workpiece geometry and thermocouple locations used in the experiments (a) and experimental setup used in obtaining workpiece temperatures and forces (b)
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Sensitivity curves at the four thermocouple locations to the heat flux at the drill margins (a), fraction of heat at the cutting lips (b) and fraction of heat at the chisel edge (c) for test condition 1 (wet conditions)
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Sensitivity curves at the four thermocouple locations to the heat flux from the drill margins (a), to the fraction of heat at the cutting lips (b) and fraction of heat at the chisel edge for test condition 5 (dry conditions)
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Quantification of the thrust and torque utilized in obtaining the total energy expended at the cutting lips and chisel edge of the drill
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Axi-Symmetric domain shape and boundaries used in the thermal model of the workpiece

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