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TECHNICAL PAPERS

Development of the Cylindrical Wire Electrical Discharge Machining Process, Part 2: Surface Integrity and Roundness

[+] Author and Article Information
Jun Qu, Albert J. Shih

Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695

Ronald O. Scattergood

Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695

J. Manuf. Sci. Eng 124(3), 708-714 (Jul 11, 2002) (7 pages) doi:10.1115/1.1475989 History: Received May 01, 2001; Revised December 01, 2001; Online July 11, 2002
Copyright © 2002 by ASME
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References

Rajurkar, K. P., and Pandit, S. M., 1988, “Recent Progress in Electrical Discharge Machine Technology and Research,” Proceedings of Manufacturing International ’88, Atlanta, GA, 1 , pp. 219–226.
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Rajurkar, K. P., and Royo, G. F., 1988, “Improvement in EDM performance by R. F. Control and Orbital Motion,” ASME Symposium Volume on Research and Technological Developments in Non-traditional Machining, PED-Vol. 34, pp. 51–62.
Rajurkar,  K. P., and Royo,  G. F., 1989, “Effect of R. F. Control and Orbital Motion on Surface Integrity of EDM Components,” J. Mech. Work. Technol., 20, pp. 341–352.
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Qu,  J., Shih,  A. J., and Scattergood,  R., 2002, “Development of the Cylindrical Wire Electrical Discharge Machining Process, Part I: Concept, Design, and Material Removal Rate,” ASME J. Manuf. Sci. Eng., 124, pp. 702–707.
ASME B46.1-1995, Surface Texture-Surface Roughness, Waviness, and Lay, 1995.
Rajurkar,  K. P., and Pandit,  S. M., 1984, “Quantitative Expressions for Some Aspects of Surface Integrity of Electro-Discharge Machined Components,” ASME J. Eng. Ind., 106(2), pp. 171–177.

Figures

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Cross-section view of an ideal cylindrical wire EDM surface and the key parameters and coordinate system for mathematical modeling
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The configuration of surface finish experiment
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The surface finish and roundness of cylindrical wire EDM parts in Experiment I with high material removal rate
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The surface finish and roundness of cylindrical wire EDM parts in Experiment II with improvements on surface finish and roundness
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SEM micrographs of macro-ridges and ideal arcs on surfaces of brass parts in Experiment I (re=0.183 mm)
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SEM micrographs of surfaces and cross-sections of carbide parts
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SEM micrographs of surfaces and cross-sections of brass samples

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