Research Article
Effects of Side Load Chains of a Combine Harvester on Unbalanced Dynamic Vibrations of Its Threshing Drum
Table 4
Unbalance amplitude of each weight hole at different speeds (mm/s).
| Hole number | 90 degrees | 150 degrees | 210 degrees | 600 rpm | 700 rpm | 800 rpm | 900 rpm | 1000 rpm | 600 rpm | 700 rpm | 800 rpm | 900 rpm | 1000 rpm | 600 rpm | 700 rpm | 800 rpm | 900 rpm | 1000 rpm |
| 1 | 0.196 | 0.461 | 0.586 | 1.665 | 2.577 | 0.545 | 0.903 | 1.98 | 1.476 | 2.489 | 0.379 | 0.590 | 0.935 | 2.274 | 2.403 | 2 | 0.179 | 0.492 | 0.632 | 1.952 | 2.399 | 0.619 | 1.222 | 1.844 | 3.030 | 4.337 | 0.334 | 0.446 | 1.112 | 1.467 | 2.915 | 3 | 0.177 | 0.374 | 0.784 | 1.905 | 2.207 | 0.407 | 1.518 | 2.356 | 3.969 | 4.911 | 0.415 | 0.481 | 0.733 | 1.744 | 2.565 | 4 | 0.129 | 0.631 | 0.764 | 1.391 | 2.32 | 0.416 | 1.728 | 1.825 | 3.782 | 4.367 | 0.302 | 0.350 | 0.647 | 1.353 | 2.073 | 5 | 0.089 | 0.517 | 0.739 | 1.874 | 2.232 | 0.782 | 1.478 | 2.704 | 4.157 | 4.760 | 0.439 | 0.383 | 0.673 | 1.739 | 1.909 | 6 | 0.232 | 0.657 | 0.954 | 2.011 | 4.452 | 0.601 | 1.314 | 2.212 | 3.225 | 3.992 | 0.278 | 0.317 | 0.501 | 1.182 | 2.129 | 7 | 0.190 | 0.697 | 1.166 | 2.533 | 3.459 | 0.287 | 1.33 | 2.478 | 3.886 | 7.084 | 0.296 | 0.307 | 0.490 | 1.530 | 1.965 | 8 | 0.142 | 0.656 | 0.981 | 3.109 | 3.416 | 0.477 | 1.543 | 1.778 | 3.475 | 4.615 | 0.233 | 0.232 | 0.813 | 1.301 | 1.915 | 9 | 0.155 | 0.450 | 1.067 | 2.351 | 3.753 | 0.467 | 1.807 | 2.343 | 3.527 | 4.456 | 0.263 | 0.291 | 0.545 | 1.149 | 2.183 | 10 | 0.158 | 0.639 | 1.218 | 2.907 | 3.360 | 0.366 | 0.757 | 2.814 | 3.419 | 4.980 | 0.195 | 0.262 | 0.500 | 1.540 | 1.983 |
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