Posts tagged with: spectrum

Vibration Analysis: Where to Start

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By on September 30, 2019

  Vibration analysis is a useful way to monitor machine health. Many plants have implemented regular vibration analysis plans to ensure the condition of their machines is being checked at regular intervals and so, if an issue comes to light after spectral analysis, a solution can be pursued. When analyzing vibration, it is important to […]

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How to Differentiate Unbalance and Looseness on the Spectrum

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By on September 20, 2019

  What is the difference between looseness and unbalance? They have very similar spectrums with different influencers. One can even impact the other in some situations. That similarity can impact your ability to balance a machine expeditiously in the field. For clarity of this discussion we will limit it to Type A and B mechanical […]

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How to Calculate the RPM of a VFD

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By on August 27, 2019

How do you calculate the RPM (Revolutions Per Minute) of a Variable Frequency Drive (VFD)? This is what we will go over in this post. A Variable Frequency Drive, which is most often abbreviated as VFD, is a type of mechanical drive system used to control AC motor speed and torque by varying motor input […]

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Finding Unbalance and Misalignment on a Spectrum

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By on July 22, 2019

  Unbalance and misalignment are problems that need to be addressed as soon as possible, but before you can begin to fix them, first you need to know how to find them on a spectrum. We will go over this below. For example, with a fan, unbalance appears on the spectrum as a higher than […]

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