Optimization of AL6061-T6 Tube End Forming Process Using Response Surface Method

Table 5

Design table based on the DOE with the calculated results.

Test number
1	-1	-1	-1	-1	1	30.95	7.24
2	1	-1	-1	-1	-1	25.25	7.64
3	-1	1	-1	-1	-1	5.95	34.1
4	1	1	-1	-1	1	5.72	26.16
5	-1	-1	1	-1	-1	26	10.4
6	1	-1	1	-1	1	26.44	7.42
7	-1	1	1	-1	1	10.24	24.5
8	1	1	1	-1	-1	6.34	31.97
9	-1	-1	-1	1	-1	25.77	10.49
10	1	-1	-1	1	1	26.74	7
11	-1	1	-1	1	1	10.84	23.5
12	1	1	-1	1	-1	6.32	31.6
13	-1	-1	1	1	1	30.46	7.74
14	1	-1	1	1	-1	25.03	7.77
15	-1	1	1	1	-1	6.03	35.1
16	1	1	1	1	1	5.06	28
17	-1	0	0	0	0	17.25	16.1
18	1	0	0	0	0	16.16	15.3
19	0	-1	0	0	0	25.86	8.27
20	0	1	0	0	0	4.6	29
21	0	0	-1	0	0	17.95	14.15
22	0	0	1	0	0	16.31	15.76
23	0	0	0	-1	0	16.48	15.54
24	0	0	0	1	0	16.42	15.78
25	0	0	0	0	-1	16.08	17.5
26	0	0	0	0	1	19.31	13.9
27	0	0	0	0	0	16.41	15.5