This paper presents results of the Electrochemical Machining (ECM) process, which was used to machine the SS AISI 202. 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 L 32 was used. Furthermore, a theoretical and computational model is presented to illustrate the influence parameter variations in results. In addition to this the influence of independent parameters such as time of electrolysis, voltage, current, concentration of electrolyte, feed rate and pressure upon the amount of material removed and SR. 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.
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Sandesh S. Uttarwar (2013) studied this question.