A Novel Sensitivity Analysis Method in Structural Performance of Hydraulic Press

Table 5

Data results of Modal analysis of the lower beam.

Six factors and five levels	𝑋1	𝑋2	𝑋3	𝑋4	𝑋5	𝑋6	𝑌
	The lower plate thickness	The left and right plate thickness	The left and right rib plate thickness	The front and back rib plate thickness	The front and back plate thickness	The upper plate thickness	Natural frequency
1	116	96	128	142	170	128	175.88
2	118	96	134	144	174	132	176.27
3	120	96	132	136	172	126	176.48
4	122	96	126	140	166	130	177.33
5	124	96	130	138	168	134	178.44
6	116	98	130	140	172	132	176.11
7	118	98	128	138	166	126	175.85
8	120	98	134	142	168	130	176.98
9	122	98	132	144	170	134	177.72
10	124	98	126	136	174	128	176.98
11	116	100	126	144	168	126	174.89
12	118	100	130	136	170	130	176.15
13	120	100	128	140	174	134	176.81
14	122	100	134	138	172	128	176.73
15	124	100	132	142	166	134	177.90
16	116	102	132	138	174	130	175.41
17	118	102	126	142	172	134	176.04
18	120	102	130	144	166	128	175.89
19	122	102	128	136	168	132	176.82
20	124	102	134	140	170	126	176.51
21	116	104	134	136	166	134	175.99
22	118	104	132	140	168	128	175.33
23	120	104	126	138	170	132	175.96
24	122	104	130	142	172	126	175.57
25	124	104	128	144	174	130	176.32