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Investigation of machining parameters for the multiple-response optimization of micro electrodischarge milling

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Abstract

This paper investigated the influence of three micro electrodischarge milling process parameters, which were feed rate, capacitance, and voltage. The response variables were average surface roughness (R a ), maximum peak-to-valley roughness height (R y ), tool wear ratio (TWR), and material removal rate (MRR). Statistical models of these output responses were developed using three-level full factorial design of experiment. The developed models were used for multiple-response optimization by desirability function approach to obtain minimum R a , R y , TWR, and maximum MRR. Maximum desirability was found to be 88%. The optimized values of R a , R y , TWR, and MRR were 0.04, 0.34 μm, 0.044, and 0.08 mg min−1, respectively for 4.79 μm s−1 feed rate, 0.1 nF capacitance, and 80 V voltage. Optimized machining parameters were used in verification experiments, where the responses were found very close to the predicted values.

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Authors and Affiliations

  1. Department of Manufacturing and Materials Engineering, Faculty of Engineering, International Islamic University Malaysia, P.O. Box 10, 50728, Kuala Lumpur, Malaysia

    Reyad Mehfuz & Mohammad Yeakub Ali

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  1. Reyad Mehfuz
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  2. Mohammad Yeakub Ali
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Correspondence to Reyad Mehfuz.

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Mehfuz, R., Ali, M.Y. Investigation of machining parameters for the multiple-response optimization of micro electrodischarge milling. Int J Adv Manuf Technol 43, 264–275 (2009). https://doi.org/10.1007/s00170-008-1705-0

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  • DOI: https://doi.org/10.1007/s00170-008-1705-0

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