Vibration Transmission Characteristics and Detection Method of Bilateral Chain Drive of Multicylinders

Table 4

FFT main data of cylinder I of bearing seat in Y direction under two-cylinder unilateral transmission.

Rotating speed (r/min)	Frequency range (Hz)	Cylinder I with counterweight 127.89 g				Cylinder II with counterweight 227.89 g
		Frequency (Hz)	Peak (m/s^2)	Frequency (Hz)	Peak (m/s^2)	Frequency (Hz)	Peak (m/s^2)	Frequency (Hz)	Peak (m/s^2)
600	0∼30	22.2	0.172	10	0.081	22.3	0.217	20	0.063
	0∼500	179.8	0.785	187.0	0.701	180	0.684	187.2	0.642
650	0∼30	21.64	0.199	10.86	0.082	21.7	0.141	10.86	0.046
	0∼500	194.8	0.684	210.4	0.548	195.2	0.770	203.0	0.755
700	0∼30	11.64	0.140	21.95	0.055	11.64	0.043	8.438	0.036
	0∼500	218.3	0.762	210	0.736	210.2	1.412	218.5	0.918
750	0∼30	12.5	0.224	21.56	0.086	12.5	0.080	8.984	0.061
	0∼500	225.3	0.657	234.3	0.501	224.6	0.772	233.5	0.755
800	0∼30	13.28	0.333	26.56	0.327	13.28	0.095	9.61	0.065
	0∼500	248.7	0.989	229.6	0.465	249.3	0.930	258.9	0.508