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

Table 3

FFT main data of vibration acceleration of cylinder I of bearing seat in Y direction.

Rotating speed (r/min)	Frequency range (Hz)	Single-cylinder drive without load				Cylinder I with counterweight 127.89 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	20	0.073	10	0.046	10	0.088	20	0.074
	0∼500	190.7	0.293	170.7	0.241	189.8	0.260	169.8	0.260
650	0∼30	21.7	0.157	10.86	0.052	21.7	0.194	10.86	0.091
	0∼500	401.3	0.269	206	0.173	400.6	0.275	195	0.238
700	0∼30	11.64	0.058	22.4	0.050	11.64	0.133	23.3	0.064
	0∼500	198.4	0.287	408.4	0.176	198.7	0.416	210.4	0.206
750	0∼30	12.5	0.095	22.0	0.035	12.5	0.255	22.0	0.112
	0∼500	237.6	0.358	219	0.250	237.4	0.366	12.5	0.255
800	0∼30	26.72	0.122	13.36	0.149	26.64	0.382	13.36	0.341
	0∼500	239.7	0.562	253.0	0.551	240.2	0.591	253.5	0.569