Balancing - Commtest Instruments vb Series Instrument Reference Manual

Balancing

Rotating mass imbalance problems are analyzed and corrected
onsite. A rigid rotor can be balanced in one or two planes. The
following steps are involved:
•
An initial measurement of the imbalance is taken.
•
A trial weight is attached to the balancing plane and another
measurement is taken. For dual plane balancing, the same is
done for the second plane also.
•
Correction weights are attached to the balancing planes as
recommended by the instrument.
•
A measurement is taken in each plane to confirm that the
rotor is balanced. Any residual imbalance can be removed
via trim balancing.
See Balancing Rotors (page 123) and Balancing Walk-through (page
145) for more information.
10 Section 1: Introduction
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