Table 4.

The experimental design and results.

Experiment Number	Design Parameters			Quality Indicators
	Feed Rate f (mm/rev)	Cutting Speed Vc (m/min)	Cutting Edge Angle κ (°)	Surface Roughness Ra (µm)	Tangential Vibration Vt (Hz)	Radial Vibration Vr (Hz)	Axial Vibration Va (Hz)
1	0.06	150	60	0.78	54.88	51.25	50.09
2	0.12	150	60	1.7	54.6	54.62	52.72
3	0.24	150	60	2.15	54.63	57.86	54.89
4	0.06	200	60	0.69	57.96	51.12	50.88
5	0.12	200	60	0.95	56.85	53.25	52
6	0.24	200	60	1.8	58.98	55.45	53.12
7	0.06	330	60	0.81	60.44	50.03	50.5
8	0.12	330	60	1.74	59.1	52.74	52.9
9	0.24	330	60	1.96	60.5	53.85	55.1
10	0.06	150	75	0.108	53.12	57.89	50.06
11	0.12	150	75	0.17	54.45	58.47	51.09
12	0.24	150	75	0.244	55.42	60.74	54.71
13	0.06	200	75	0.429	59.88	56.87	50.6
14	0.12	200	75	0.745	60.1	57.47	51.2
15	0.24	200	75	0.202	61.5	59.52	53.66
16	0.06	330	75	0.432	66.98	55.96	51.1
17	0.12	330	75	0.214	65.88	56.14	52.78
18	0.24	330	75	0.6	66.9	56.98	53.89
19	0.06	150	90	0.108	55.41	61.86	50.6
20	0.12	150	90	0.17	56.1	64.89	51.2
21	0.24	150	90	0.244	56.7	69.11	53.66
22	0.06	200	90	0.429	61.12	60.42	50
23	0.12	200	90	0.745	63.55	63.87	52.9
24	0.24	200	90	0.202	64.12	68.99	53.9
25	0.06	330	90	0.432	69.5	59.85	53.1
26	0.12	330	90	0.214	70.2	62.41	55.01
27	0.24	330	90	0.6	71.5	67.88	56.8