Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ijmachtools.2009.06.014
Title: Effect of micro-powder suspension and ultrasonic vibration of dielectric fluid in micro-EDM processes-Taguchi approach
Authors: Prihandana, G.S.
Mahardika, M.
Hamdi, M.
Wong, Y.S. 
Mitsui, K.
Keywords: Material removal rate
Micro-electric discharge machining
Micro-powder suspended in dielectric fluid
Taguchi method
Ultrasonic vibration of dielectric fluid
Issue Date: Oct-2009
Citation: Prihandana, G.S., Mahardika, M., Hamdi, M., Wong, Y.S., Mitsui, K. (2009-10). Effect of micro-powder suspension and ultrasonic vibration of dielectric fluid in micro-EDM processes-Taguchi approach. International Journal of Machine Tools and Manufacture 49 (12-13) : 1035-1041. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ijmachtools.2009.06.014
Abstract: Solutions are needed for increasing the material removal rate without degrading surface quality in micro-electrical discharge machining (μ-EDM). This paper presents a new method that consists of suspending micro-MoS2 powder in dielectric fluid and using ultrasonic vibration during μ-EDM processes. The Taguchi method is adopted to ascertain the optimal process parameters to increase the material removal rate of dielectric fluid containing micro-powder in μ-EDM using a L18 orthogonal array. Pareto analysis of variance is employed to analyze the four machining process parameters: ultrasonic vibration of the dielectric fluid, concentration of micro-powder, tool electrode materials, and workpiece materials. The results show that the introduction of MoS2 micro-powder in dielectric fluid and using ultrasonic vibration significantly increase the material removal rate and improves surface quality by providing a flat surface free of black carbon spots. © 2008 Elsevier Ltd. All rights reserved.
Source Title: International Journal of Machine Tools and Manufacture
URI: http://scholarbank.nus.edu.sg/handle/10635/85055
ISSN: 08906955
DOI: 10.1016/j.ijmachtools.2009.06.014
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