Study on the Method for Collecting Vibration Signals from Mill Shell Based on Measuring the Fill Level of Ball Mill

Table 3

The sensitivity index of reflecting the fill level change for different sensors.

Adjacent conditions	Forward bearing (sensor 5)	Back bearing (sensor 6)	Sensor 1	Sensor 2	Sensor 3	Sensor 4
0 t/h, 20 t/h	0.17535	0.38583	0.17277	0.075801	0.06955	0.034087
20 t/h, 30 t/h	0.54767	0.10914	0.17	0.2019	0.18071	0.15551
30 t/h, 35 t/h	0.082084	0.12782	0.10083	0.12498	0.12462	0.12549
35 t/h, 40 t/h	0.52685	0.09317	0.11314	0.11106	0.17316	0.18405
40 t/h, 45 t/h	0.13752	0.061331	0.30897	0.32467	0.25355	0.28187
45 t/h, 50 t/h	0.1194	0.67477	0.3774	0.4382	0.40363	0.43218
50 t/h, 55 t/h	0.096971	0.15895	0.52832	0.48956	0.54763	0.53186
Average	0.24084	0.23014	0.25306	0.25231	0.25041	0.24929