Vibration Severity Chart
For variable speed machines velocity severity is constant Note from the chart that the displacement and acceleration measureands vary with speed and are not normally used due to complex severity determination 20 30 um pk pk VIBRATION FREQUENCY IN CPM e g MACHINE RPM VELOCITY mm/s IPS 250 10 25 1 1 25 01 5 05 125 5 EXAMPLE FAN 230 cpm 100K …