ImbalanceMachine Diagnosis
After the vibration signatures are verified as to validity and the spectral peaks, especially the 1X components positively identified, can the diagnosis of machine problems begin. The following section discusses a variety of machine problems and illustrates them with their typical vibration signatures.
In analyzing vibration spectra from rotating machines, it is important to note that individual faults are seldom seen by themselves. Care must be taken in the interpretation of vibration signatures since different faults can cause spectral components at the same frequencies.
Electrically Induced Vibration
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