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Optimization of the EDM process with multiple performance characteristics based on the orthogonal array and grey relational analysis method
(Maltepe Üniversitesi, 2009) Abdi, Alireza; Eskandarzade, Mehdi; Nazer, Ali
This paper describes application of the grey relational analysis with Taguchi methods to optimize the electrical discharge machining process with multiple performance characteristics. An orthogonal array, grey relational generating, grey relational coefficient, grey relational grade and grey relational graph analysis of variance are applied to study the performance characteristics of the machining process. In this paper, levels of machining parameters including pulse on time, discharge current, discharge voltage, and duty factor are optimized with respect to multiple performance characteristics including material removal rate, electrode wear ratio, and surface roughness. Experimental results show that this approach can help to optimize the electrical discharge machining process with multiple process responses.