Advances in Materials Science and Engineering / 2022 / Article / Tab 5 / Research Article
Vortex Trajectory of Rotating Shaft Undergoing Vibration Coupling of Parallel Multicylinders Table 5 FFT main data of vibration acceleration of three-cylinder bilateral drive cylinder I in the horizontal position of the bearing seat in the Y direction.
Rotating speed (r/min) Frequency range (Hz) Cylinder I with counterweight 127.89 g Cylinder II with counterweight 227.89 g Frequency 1 (Hz) Peak 1 (m/s2 ) Frequency 2 (Hz) Peak 2 (m/s2 ) Frequency 1 (Hz) Peak 1 (m/s2 ) Frequency 2 (Hz) Peak 2 (m/s2 ) 600 0–30 22.17 0.142 10.00 0.106 22.28 0.047 10.00 0.035 0–500 180.12 0.394 187.3 0.283 180.0 0.375 187.2 0.369 650 0–30 21.67 0.154 10.80 0.098 21.67 0.125 10.80 0.047 0–500 97.47 0.476 202.8 0.334 202.6 0.405 97.40 0.331 700 0–30 11.66 0.195 25.21 0.112 25.27 0.079 11.66 0.045 0–500 210.0 0.344 198.4 0.294 210.3 0.328 201.9 0.287 750 0–30 12.51 0.279 25.02 0.167 12.51 0.081 21.54 0.058 0–500 112.6 0.228 225.3 0.226 225.5 0.332 112.7 0.313 800 0–30 13.31 0.258 22.95 0.208 13.37 0.125 221.10 0.091 0–500 240.0 0.740 226.7 0.401 240.5 0.627 182.7 0.548