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