Abstract
General Influence Coefficient Algorithm in Balancing of Rotating Machinery
Highlights
High-speed balancing is a requirement for many types of rotating machinery such as pumps, fans, steam turbine generators, centrifugal compressors, and so on
When balancing a machine, for which the historical balancing data is available, the groups of trial weights can be applied on the rotor, and the Influence Coefficients (ICs) for the unknown planes can be extracted with the necessary number of trial runs
The general formula can deal with various kind of IC calculation task in the balancing of rotating machinery
Summary
High-speed balancing is a requirement for many types of rotating machinery such as pumps, fans, steam turbine generators, centrifugal compressors, and so on. Instead of adding single trial masses one by one, groups of trial weights are always adopted in order to minimize the number of trial runs, some of which may be retained on the rotor system due to its good contribution to the attenuation of the vibrations. When balancing a machine, for which the historical balancing data is available, the groups of trial weights can be applied on the rotor, and the IC for the unknown planes can be extracted with the necessary number of trial runs. When the number of trial runs is greater than the necessary number for determining the unknown ICs, the algorithm can make full use of the redundant balancing information to refine the ICs for each plane.
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