Table 4: Comparison of experimental and predicted flank wear values.

Flank wear sideCutting speed and feed rate combinationExperimental mean value (mm)Predicted value (mm)% error

124 m/min and 0.15 mm/rev0.430.42+2.3
36 m/min and 0.25 mm/rev0.440.45−2.2

224 m/min and 0.15 mm/rev0.460.43+6.9
36 m/min and 0.25 mm/rev0.340.340.0