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

Table 6

FFT main data of cylinder I of bearing seat in Y direction under three-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	22.3	0.150	10	0.072	22.3	0.107	10	0.031
	0∼500	180.4	0.661	187.5	0.466	180.4	0.654	194.8	0.582
650	0∼30	21.72	0.221	10.86	0.103	21.7	0.155	10.86	0.047
	0∼500	195.5	0.683	211.2	0.624	195.2	0.649	203	0.591
700	0∼30	11.72	0.137	23.44	0.094	25.16	0.093	11.64	0.061
	0∼500	210.5	0.891	218.9	0.677	209.8	0.918	218.1	0.718
750	0∼30	12.5	0.221	21.56	0.102	12.5	0.083	27.03	0.047
	0∼500	225.1	0.658	234.1	0.611	234.4	0.886	216.3	0.87
800	0∼30	13.35	0.206	26.64	0.118	13.4	0.094	26.8	0.057
	0∼500	249.4	0.811	230.2	0.543	250.7	0.857	231.5	0.608