Skip to main content

Deflection Shape Balancing: An Alternative to Modal Balancing

by William Morrell, Brian Damiano, Kathy W Hylton, Clayton A Jordan
Publication Type
Conference Paper
Book Title
Topics in Modal Analysis & Testing
Publication Date
Page Numbers
337 to 350
Publisher Location
Conference Name
International Modal Analysis Conference 38 (IMAC)
Conference Location
Houston, Texas, United States of America
Conference Sponsor
Society for Experimental Mechanics
Conference Date

Rotor balancing is the final step in the rotor manufacturing process and may be necessary during rotor refurbishment. The process can be time consuming and costly, especially for supercritical monolithic rotors, impacting schedule and increasing costs. Modal balancing is a commonly used practice and is effective but requires multiple runs and at least one high-speed run. Deflection shape balancing is introduced as an alternative that may offer a more efficient method of balancing making the process faster with potentially fewer balancing runs. This paper explores the performance of the deflection shape fit balancing technique by utilizing MATLAB code simulations.