e-Modeling and Evolution of Nanolubricant Coupled Machining Parameters Using Statistical Tool

Figure 5

Analysis of ovality using graphical output. (obtained from response surface methodology).

(a) Main effect plot for means

(b) Main effect plot for signal-to-noise ratio

(c) Interaction plot for means

(d) Interaction plot for signal-to-noise ratio

(e) Histogram of ovality with respect to frequency

(f) Empirical CDF of ovality

(g) 3D surface plot of ovality with respect to feed and speed

(h) 3D surface plot of ovality with respect to drill diameter and speed

(i) 3D surface plot with respect to drill diameter and feed

(j) Predicted value vs. actual values