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A Study of Influence of Electrochemical Process Parameters on the Material Removal Rate and Surface Roughness of SS AISI

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Abstract

The machining of complex shaped designs was difficult earlier, but with the advent of the new machining processes incorporating in it chemical, electrical & mechanical processes, manufacturing has redefined itself. This paper presents results of the Electrochemical Machining (ECM) process, which was used to machine the SS AISI 304. Specifically, the Material Removal Rate (MRR) and Surface Roughness (SR) as a function of ECM were determined. The experimental work was based on the Taguchi approach of experimentation and table L32 was used. Furthermore, a theoretical and computational model is presented to illustrate the influence parameter variations in results. The influence of independent parameters such as time of electrolysis, voltage, current, concentration of electrolyte, feed rate and pressure on output parameters material removal rate and SR is studied in this work. The results indicated that MRR was remarkably affected by variation in current and Surface Roughness decreased with increase in current. Hence, it was apparent that irregular MRR was more likely to occur at high currents. The results showed that MRR increased with increasing electrical voltage, molar concentration of electrolyte, time of electrolysis and feed rate. However, the time of electrolysis was the most influential parameter on the produced surface finish

Topics: Electrochemical machining, Material removal rate, Time, Feed rate, electrolyte concentration, Anova, Percentage error
Year: 2014
OAI identifier: oai:CiteSeerX.psu:10.1.1.412.1481
Provided by: CiteSeerX
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