Balancing,  R,  Vibration

Residual Imbalance Check

Once a rotor has met the stated balance specification in a shop, it is desirable to perform a residual imbalance check to verify that the rotor has been balanced correctly at each plane. This procedure not only proves that the rotor is balanced, but also verifies that the balancing machine is working properly. A residual imbalance check is accomplished by taking a known amount of weight at a known radius, and a known angle, and verifying that the balance machine properly tracks the weight.

Also known as Residual Unbalance Check.

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