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ISO/AWI 21940-21

Mechanical vibration — Rotor balancing — Part 21: Description and evaluation of balancing machines

General information

Current stage: 10.99 Effective date: Oct 30, 2026

Originator: ISO

Owner: ISO/TC 108/SC 2

Type: International Standard

Scope

This document sets out the requirements for evaluating hard and soft bearing balancing machines that support and rotate:
a) rotors with rigid behaviour at balancing speed (as described in ISO21940-11);
b) rotors with shaft elastic behaviour and balanced in accordance with low speed balancing procedures (as described in ISO21940-12).

ISO/AWI 21940-21

Mechanical vibration — Rotor balancing — Part 21: Description and evaluation of balancing machines

General information

Scope

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