Abstract
In this paper, the experimental investigation of electrochemical micro-machining (ECMM) process on stainless steel 316 by varying the effect of applied voltage, electrolyte concentration, micro-tool feed rate and duty cycle. The machining performance such as material removal rate (MRR) and overcut (OC). Taguchi design of experiment has been used to carry out the design of input process parameters and their levels. Microscopic image has been used to study the surface topography of the electrochemical micro-machined work piece surface. The experimental results attain that the effect of electrolyte concentration and duty cycle has most significant factors for the machining of stainless steel 316 by electrochemical micro-machining (ECMM) process. The optimize process parameters for higher material removal rate and lower overcut are found out using grey relational approach, and finally, the confirmation tests were carried out in the electrochemical micro-machining process.
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