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

Table 7

FFT main data of cylinder I of bearing seat in Y direction under three-cylinder bilateral 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	22.3	0.15	10	0.083	20	0.047	10	0.036
	0∼500	180.4	0.434	173.2	0.311	180.4	0.482	187.1	0.419
650	0∼30	21.7	0.19	10.86	0.086	21.68	0.163	10.86	0.037
	0∼500	97.5	0.43	195	0.302	202.7	0.327	97.5	0.277
700	0∼30	11.66	0.136	25.21	0.093	25.2	0.149	11.66	0.053
	0∼500	210.3	0.382	201.8	0.223	210.1	0.309	201.7	0.232
750	0∼30	12.5	0.249	25	0.167	25	0.072	12.5	0.056
	0∼500	225.2	0.347	112.6	0.305	224.7	0.367	161.8	0.266
800	0∼30	13.31	0.334	22.9	0.254	13.31	0.093	9.583	0.052
	0∼500	240.0	0.671	13.31	0.334	240	0.872	249.6	0.375