Why does shaft misalignment cause 3X?
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Under normal circumstances, shaft misalignment leads to high 2X vibrations; according to some information I saw today, it can also cause high 3X vibrations. What is the mechanism behind the occurrence of high 3X vibrations?
Axis misalignment can cause imbalance in rotating components, resulting in non-radial forces and wear, which in turn lead to vibration. When the shaft is out of alignment, the centrifugal force of the rotating components causes varying degrees of wear and failure at different locations, resulting in various vibration frequencies. These include high-frequency vibrations such as 2X (twice the speed) and 3X (three times the speed). Therefore, shaft misalignment can cause 3X higher vibrations and further damage the machine. -
It must also be related to the coupling type, the number of bolts, etc
What the expert on the 2nd floor said makes sense@@