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Verifying the optimal cutting parameters in order to achieve high performance in various kinds of machinery has always been a critical matter. This research aims to investigate the behavior of three control parameters according to Design of Experiment (DOE) method while WEDM of titanium alloy (Ti6Al4V) is being examined. The sample was cut by an electrode instrument made of brass wire of 0.25 mm diameter. Analysis of Variance (ANOVA) technique was used to find out the parameters affecting the Surface Roughness (SR), Material Removal Rate (MRR) and Sparking Gap (SG). Assumptions of ANOVA were discussed and carefully examined using analysis of residuals. This study has been established as a second-order mathematical model based on the Response Surface Methodology (RSM). The residual analysis and confirmation runs indicate that the proposed models could adequately describe the performance of the factors those are being investigated. The outcomes are particularly useful for scientists and engineers to determine which subset of the process variable can optimize the performance.

Optimizing Finishing Process in Wedming of Titanium Alloy (Ti6Al4V) by Brass Wire based on Response Surface Methodology