SKF Machine Condition Advisor 25
User Manual
detection of bearing problems vs. the
MCA’s internal sensor.
Angle – Always perpendicular to the surface (90°).
Pressure – Even, consistent hand pressure must be
used (firm, but not so firm as to dampen vibration
signals on smaller machines).
Vibration Analysis Guidelines
With the exception of bearings and gearboxes, most
rotating machinery problems show themselves as
excessive overall velocity vibration. Also, each
mechanical problem generates vibration in its own
unique way. We can therefore examine the “type” of
overall velocity vibration to identify its cause and take
appropriate repair action.
With overall velocity vibration measurements,
interpretation of the cause of excess vibration can
relate to probe position when taking the
measurement; either in the horizontal, vertical, or
axial planes.
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