A N N U A L E D I T I O N
22 Reliable Plant
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Vibration analysis helps you monitor and detect issues
using vibration data. Read about vibration analysis
methodology, tools and techniques, vibration analysis
measurement methods, and more.
WHAT IS VIBRATION
ANALYSIS?
Vibration analysis is defined as a process for measuring the vibration
levels and frequencies of machinery and then using that information
to analyze how healthy the machines and their components are. While
the inner-workings and formulas used to calculate various forms of
vibration can get complicated, it all starts with using an accelerometer
to measure vibration. Anytime a piece of machinery is running, it is
making vibrations. An accelerometer attached to the machine generates
a voltage signal that corresponds to the amount of vibration and the
frequency of vibration the machine is producing, usually how many
times per second or minute the vibration occurs.
All data collected from the accelerometer goes directly into a data
collector (software), which records the signal as either amplitude vs.
time (known as time waveform), amplitude vs. frequency (known
as fast Fourier transform), or both. All of this data is analyzed by
computer program algorithms, which in turn is analyzed by engineers
or trained vibration analysts to determine the health of the machine
and identify possible impending problems like looseness, unbalance,
misalignment, lubrication issues and more. Vibration analysis can
detect problems such as:
Vibration Analysis
Jonathan Trout
VIBRATION ANALYSIS
EXPLAINED
