Multiobjective Optimization of Milling Parameters for Ultrahigh-Strength Steel AF1410 Based on the NSGA-II Method

Table 4

Experimental scheme and results.

Number of tests	Process parameter				Milling force Ft (N)	Surface roughness Ra (μm)	Material removal rate MRR (mm^3/min)
	(m/min)	fz (mm/z)	ap (mm)	ae (mm)
1	12.56	0.06	5.00	2.00	488.09	0.682	960
2	12.56	0.06	1.00	0.50	96.05	0.392	48
3	12.56	0.04	3.00	1.25	292.28	0.466	240
4	12.56	0.02	5.00	2.00	329.77	0.423	320
5	12.56	0.02	1.00	0.50	61.52	0.276	16
6	12.56	0.02	5.00	0.50	136.80	0.231	80
7	12.56	0.06	1.00	2.00	227.60	0.512	192
8	12.56	0.02	1.00	2.00	141.34	0.385	64
9	12.56	0.06	5.00	0.50	196.68	0.342	240
10	18.84	0.06	3.00	1.25	347.30	0.408	540
11	18.84	0.04	3.00	2.00	349.55	0.367	576
12	18.84	0.04	1.00	1.25	140.82	0.352	120
13	18.84	0.02	3.00	1.25	235.01	0.313	180
14	18.84	0.04	3.00	1.25	285.40	0.339	360
15	18.84	0.04	3.00	1.25	291.26	0.361	360
16	18.84	0.04	3.00	1.25	284.86	0.356	360
17	18.84	0.04	3.00	0.50	153.49	0.237	144
18	18.84	0.04	3.00	1.25	287.74	0.326	360
19	18.84	0.04	3.00	1.25	289.11	0.336	360
20	18.84	0.04	3.00	1.25	290.99	0.324	360
21	18.84	0.04	5.00	1.25	279.93	0.344	600
22	25.12	0.02	1.00	2.00	133.71	0.246	128
23	25.12	0.02	1.00	0.50	62.35	0.223	32
24	25.12	0.06	5.00	2.00	457.93	0.348	1920
25	25.12	0.02	5.00	0.50	135.08	0.165	160
26	25.12	0.06	5.00	0.50	180.02	0.189	480
27	25.12	0.06	1.00	2.00	212.50	0.281	384
28	25.12	0.04	3.00	1.25	269.52	0.255	480
29	25.12	0.06	1.00	0.50	97.93	0.292	96
30	25.12	0.02	5.00	2.00	316.30	0.261	640