rolling elements
White Papers
Centrifugal Fans and Variable Frequency Drives: Risks and Mitigations
Variable frequency drives (VFDs) have become a preferred method of process control for electric motor driven equipment ranging from vertical water pumps to centrifugal air fans. The following is a basic discussion of risks of using a VFD with direct driven centrifugal fans and methods of mitigating those risks to maintain equipment reliability.
- David Sheffler
- IVC Technologies
White Papers
Modern Vibration Analysis Technology Applied to the Four Stages of Bearing Failure
Within the vibration community, it is commonly accepted to describe a spalling process in a bearing in four stages; from the first microscopic sign to a severely damaged bearing...
- Ron Kittle
- SPM Instrument Inc
Two Minute Tips
Why Do I Need to Use Time Waveform Analysis?
Spectrum analysis provides a great deal of information about the health of rotating machinery. But you should consider the spectrum as a summary of the vibration within the machine...
- Jason Tranter
- Mobius Institute
