Variation and Modal Characteristic of Tangential Threshing Cylinder Undergoing Threshing Dynamics

Table 7

Vibration signals of the free end of the bearing seat under idling state and threshing state.

Vibration frequency serial no.	Vibration frequency in X direction (Hz)		Vibration frequency in Y direction (Hz)		Vibration frequency in Z direction (Hz)
	Idling state	Threshing state	Idling state	Threshing state	Idling state	Threshing state
1	42.969	744.141	13.672	759.766	152.344	152.344
2	777.344	755.859	738.281	755.859	13.672	720.703
3	744.141	734.375	152.344	742.188	156.25	76.172
4	763.672	763.672	755.859	748.047	253.906	218.75
5	667.969	714.844	744.141	728.516	259.766	429.688
6	726.563	759.766	671.875	751.953	246.094	498.047