4. Balancing rigid rotors

The rotational response of a rigid rotor is governed essentially by the response of the two solid body eigenmodes (translation and tilting, see figure 9 ), the participation of higher elastic eigenmodes being negligible. Rigid-rotor balancing is widely practiced, including flexible-rotor balancing as a low-speed preliminary to nominal-speed balancing.

4.1 Balancing machines

Fast and easy to set up, they are equipped with instrumentation and autonomous microcomputer-based calculation resources, making them high-performance tools. They are built to ISO 2953...

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Bibliography

BIGRET (R.), KARAJANI (P.), VIALARD (S.), CHEVALIER (R.) - Machines tournantes – Détermination des coefficients d'influence par les caractéristiques modales. - Deuxième conférence MSTDAV (Méthodes de surveillance et Techniques de diagnostic acoustiques et vibratoires), Senlis (France). Revue française de mécanique n° 1995-4, p. 277-283...