Published
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).
WITHDRAWN
ISO 21940-21:2012
PUBLISHED
ISO 21940-21:2022
90.92
Standard to be revised
Oct 30, 2026
PROJECT
ISO/AWI 21940-21