Multi-Response Optimization of CNC WEDM Process Parameters for Machining Titanium alloy Ti6Al-4V using Response Surface Methodology (RSM)

摘要

This research deals with the multi-response optimization of CNC WEDM process parameters for machining titanium alloy Ti 6Al-4V using Response Surface Methodology (RSM) to achieve higher Material Removal Rate (MRR) and lower surface roughness (Ra). The process parameters of CNC WEDM namely pulse-on time (TON), pulse-off time (TOFF) and wire feed rate (WF) were optimized to study the responses in terms of material removal rate and surface roughness. The surface plot and the contour plots were generated between the process parameters and the responses using MINITAB software. The results show that the Response surface methodology (RSM) is a powerful tool for providing experimental diagrams and statistical-mathematical models to perform the experiments appropriately and economically.