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Static and Dynamic Balancing of Rotating Machineries in The Field: A Review

Konal I. Singh, Saket Kolhe, Amit R. Bhende


Static and dynamic balancing of a rotor plays an important role in deciding the life of any turbo-machinery. Vibrations generated due to unbalance rotor is considered as one of the major factors that can lead to accelerating degradation of machine components or evencatastrophic failure, especially at high speed where reliability is important consideration. Rotor unbalance may result due to error in manufacturing process, wear and tear of rotating component, thermal deformations, deposition of material on rotor surface etc. There arevarious static and dynamic balancing methods depending upon type of rotor. Different methods of rotor balancing require different trial runs (number of times the machine has to stop) so as to place trial weights and measure vibration amplitude. Any method whichbalances the rotor in less number of trials is considered to be the efficient one, because stopping machine results in more energy consumption and reduction in machine life. This paper reviews the various methods of static and dynamic balancing of rotor and effect of rotor speed on its balancing.
Cite this ArticleSingh Konal I, Saket Kolhe, BhendeAmit R. Static and Dynamic Balancingof Rotating Machineries in the Field: AReview. Trends in MechanicalEngineering & Technology. 2017; 7(1):40–46p.


Balancing, rotor, vibration, phase angle, influence coefficient method

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