Journal
APPLIED MATHEMATICAL MODELLING
Volume 33, Issue 12, Pages 4397-4407Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.apm.2009.03.021
Keywords
Electrical discharge machining; Response surface methodology; Mathematical modeling equations; Cutting parameters; Machine settings and optimal cutting conditions
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Whereas the efficiency of traditional cutting processes is limited by the mechanical properties of the processed material and the complexity of the workpiece geometry, electrical discharge machining (EDM) being a thermal erosion process, is subject to no such constraints. The lack of correlations between the cutting rate, the surface finish and the physical material parameters of this process made it difficult to use. This paper highlights the development of a comprehensive mathematical model for correlating the interactive and higher order influences of various electrical discharge machining parameters through response surface methodology (RSM), utilizing relevant experimental data as obtained through experimentation. The adequacy of the above the proposed models have been tested through the analysis of variance (ANOVA). Optimal combination of these parameters was obtained for achieving controlled EDM of the workpieces. (C) 2009 Elsevier Inc. All rights reserved.
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