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JSIR Vol.70(07) [July 2011] >


Title: Optimization of micro-EDM with multiple performance characteristics using Taguchi method and Grey relational analysis
Authors: Natarajan, N
Arunachalam, R M
Keywords: Grey relational analysis
Micro-EDM
Multiple performance characteristics
Taguchi method
Issue Date: Jul-2011
Publisher: NISCAIR-CSIR, India
Abstract: This study presents optimization of multiple performance characteristics [material removal rate (MRR), tool wear rate (TWR), and overcut (OC)] in micro electrical discharge machining (micro-EDM) using Taguchi method and Grey relational analysis. Machining process parameters selected were pulse-on time, discharge current, and gap voltage. Based on ANOVA, pulse-on time is found the most significant factor, which affects micro-EDM process. Optimized process parameters simultaneously leading to a higher MRR, lower TWR, and lower OC are then verified through a confirmation experiment. Validation experiment shows an improved MRR (12.88%), TWR (14.57%) and OC (6.1%) when Taguchi method and grey relational analysis were used.
Page(s): 500-505
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.70(07) [July 2011]

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