Research Article
Effects of Stem Cutting in Rice Harvesting by Combine Harvester Front Header Vibration
Table 2
Mode vibration frequency and shape of front header.
| | Mode frequency order | Natural frequency (Hz) | Maximum amplitude (mm) | Mode vibration shape |
| | 1 | 23.38 | 1.76 | Up and down vibration of conveyer house | | 2 | 48.98 | 1.02 | Up and down vibration of conveyer house | | 3 | 56.45 | 0.78 | Left and right vibration of conveyer house | | 4 | 78.92 | 0.81 | Left and right vibration of conveyer house | | 5 | 94.64 | 0.42 | Left and right vibration of left frame side panel | | 6 | 110.75 | 1.68 | Whole body vibration of header and conveyer frame | | 7 | 144.12 | 1.17 | Left and right vibration of conveyer house | | 8 | 185.02 | 0.31 | Left and right vibration of conveyer house |
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