Modeling and Analysis on Cushion Characteristics of Fast and High-Flow-Rate Hydraulic Cylinder
Table 4
The results of simulation calculation and ratios values.
Calculation number
Control factors
Peak pressure, (MPa)
ratio for (dB)
Final velocity, (m/s)
ratio for (dB)
1
50
80
85
75.416
−37.5493
0.798
1.959
2
50
80
90
62.152
−35.869
0.737
2.650
3
50
80
95
60.692
−35.667
0.593
4.538
4
50
80
85
68.866
−36.760
0.737
2.650
5
50
85
90
58.312
−35.315
0.718
2.877
6
50
90
95
59.477
−35.487
0.562
5.005
7
50
80
90
63.344
−36.034
2.099
−6.440
8
50
85
95
55.056
−34.816
1.562
−3.873
9
50
90
85
58.683
−35.370
1.316
−2.385
10
60
80
85
83.673
−38.452
0.851
1.401
11
60
85
85
64.321
−36.167
0.748
2.521
12
60
90
90
54.053
−34.656
0.598
4.465
13
65
80
90
75.77
−37.589
0.846
1.452
14
65
85
95
59.404
−35.476
0.713
2.938
15
65
90
85
51.099
−34.168
0.544
5.288
16
60
85
95
73.153
−37.284
2.361
−7.461
17
60
90
85
55.215
−34.841
1.786
−5.037
18
60
95
90
48.598
−33.732
1.448
−3.215
(peak pressure total mean value) = 62.62689 MPa. (peak pressure ration total mean value) = −35.846 dB. (final velocity total mean value) = 1.057 m/s. (final velocity ratio total mean value) = 0.519 dB.
