Material Removal Rate, Electrode Wear Rate, and Surface Roughness Evaluation in Die Sinking EDM with Hollow Tool through Response Surface Methodology
Figure 2
Response surface plot for MRR: (a) factor plot, (b) factor plot, (c) factor plot, (d) contour plot between and , ((e) and (f)) interactions plot between and , (g) contour plot between and , ((h) and (i)) interactions plot between and , (j) normal plot of residuals, (k) residuals versus predicted values, and (l) predicted versus actual values.