Optimization of Machining Parameters Using EDM in Gas Media Based on Taguchi Method

Abstract:

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The aim of this study is to investigate the machining characteristics of gas media used in electrical discharge machining (EDM). The process parameters were designed based on Taguchi method to manage the experimental work. The main process parameters such as machining polarity, gas pressure, peak current, pulse duration, type of gas media, and servo reference voltage were adopted to explore their effects on machining performance in terms of material removal rate (MRR) and surface roughness (SR) for SKD 61 tool steel. The experimental observed values were transferred to signal-to-noise (S/N) ratios, and then the significant machining parameters affecting obviously the machining performance were determined by analysis of variance (ANOVA). The optimal combination level of machining parameter for each machining characteristic was obtained by the S/N ratio analysis according to Taguchi methodology.

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Periodical:

Edited by:

Helen Zhang and David Jin

Pages:

170-175

DOI:

10.4028/www.scientific.net/AMR.459.170

Citation:

D. A. Wang et al., "Optimization of Machining Parameters Using EDM in Gas Media Based on Taguchi Method", Advanced Materials Research, Vol. 459, pp. 170-175, 2012

Online since:

January 2012

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$38.00

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