Unbalanced Vibration Identification of Tangential Threshing Cylinder Induced by Rice Threshing Process

Table 1

Performance parameters of vibration test instruments.

Equipment name	Performance index	Parameter values	Manufacturer
Three-direction acceleration sensor of 356A16	Sensitivity	100 mV/g	American voltage Company (PCB)
	Frequency response	0.3~6 KHz
	Range	±50 g pk
	Lateral sensitivity	<5%
Dynamic signal acquisition instrument of DH5902	Channel	32	Chinese Donghua testing company
	Sampling bandwidth	16, 100 KHz
	End scale value	±20 mv~±20 V
	Distortion factor	<0.5%