Mechanical vibration. Rotor balancing - Description and evaluation of balancing machines

Mechanical vibration. Rotor balancing - Description and evaluation of balancing machines

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1   Scope

This document sets out the requirements for evaluating hard and soft bearing balancing machines that support and rotate:
  1. a) rotors with rigid behaviour at balancing speed (as described in ISO 21940‑11);
  2. b) rotors with shaft elastic behaviour and balanced in accordance with low speed balancing procedures (as described in ISO 21940‑12).