SignalCalc Balancing

When the center of mass of a rotating element does not coincide with its axis of rotation a condition of unbalance exists. The force generated by this unbalance is proportional to the square of the rotational frequency. If the amount of unbalance exceeds permissible levels, even small increases in operating speeds of the rotor can lead to significant increases in vibration levels.

This condition can only be corrected by accurately measuring the vibration response of the rotor at its fundamental frequency and following a series of steps designed to determine the amount of unbalance and adding (or subtracting) an appropriate amount of compensating mass at the necessary locations.

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