A Hybrid Nondominant-Based Genetic Algorithm (NSGA-II) for Multiobjective Optimization to Minimize Vibration Amplitude in the End Milling Process

Table 8

Validation of the model.

Trail no.	Machine spindle speed	Rate of feed	Depth of cut (axial)	Depth of cut (radial)	Radial tool rake angle	Spindle vibration (optimized)	Spindle vibration (observed)	Error %	Worktable vibration (optimized)	Worktable vibration (observed)	Error %
1	2300	0.1	0.6	0.5	21	0.01631	0.016	1.90	0.00301	0.0030	0.33
2	2200	0.12	0.7	0.6	18	0.01789	0.018	−0.61	0.00367	0.0036	1.90
3	2600	0.04	0.5	0.5	12	0.01422	0.014	1.54	0.00326	0.0033	−1.23