A Rise in the Ratio of the Vertical to Horizontal Vibration Amplitude Can Be a Tipoff
April 30, 2013
One thing that most field vibration analysts will become aware of is how the directional stiffness of a typical machine will manifest itself in vibration data. The typical horizontal machine train (driver and driven) is fastened down to a very rigid foundation, having little to no freedom of movement in the vertical plane. Although the […]