Abstract

This paper presents experiments for balancing a rigid rotor. The influence coefficient and least squares balancing methods are compared assuming that the influence coefficients used to calculate correction masses contain errors. The errors in the influence coefficients occur in (1) amplitude, (2) phase angle and (3) the combination of the two. In the three cases, a number of balancing experiments are carried out and comparison of balancing conditions using two balancing methods is discussed. The results show that the least squares method produces better balancing conditions than the influence coefficient method.

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