Research Article
Vibration Response of the Crawler Combine Chassis Frame Excited by the Engine
Table 4
Vibration frequency and amplitude of each measuring point under engine idling conditions (small accelerator).
| Measuring point | Peak serial number | direction (front and back) | direction (lateral) | direction (vertical) | Frequency (Hz) | Amplitude (m·s-2) | Frequency (Hz) | Amplitude (m·s-2) | Frequency (Hz) | Amplitude (m·s-2) |
| Engine mount | 1 | 49.38 | 0.71 | 49.38 | 0.55 | 49.38 | 2.28 | 2 | 25 | 0.68 | 25 | 0.37 | 25 | 0.40 | 3 | 74.38 | 0.35 | 51.88 | 0.18 | 74.38 | 0.27 | Seat support | 1 | 49.38 | 0.911 | 49.38 | 1.021 | 49.38 | 2.855 | 2 | 25 | 0.717 | 25 | 0.222 | 25 | 0.682 | 3 | 125 | 0.633 | 49.81 | 0.197 | 98.76 | 0.485 | Front left chassis | 1 | 48.75 | 1.35 | 24.38 | 0.42 | 24.38 | 1.50 | 2 | 24.38 | 1.00 | 51.25 | 0.33 | 51.25 | 0.76 | 3 | 27.5 | 0.95 | 26.88 | 0.24 | 27.5 | 0.52 |
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