Search
×
FR

Placeholder headline

This is just a placeholder headline

API MPMS CH 10.8, 3rd Edition: Standard Test Method for Sediment in Crude Oil by Membrane Filtration

$

114

BUY NOW

Placeholder headline

This is just a placeholder headline

ISO/TR 42505:2026 Sharing economy — Shared manufacturing — Concepts and models

$

192

BUY NOW

Placeholder headline

This is just a placeholder headline

ISO 4306-1:2026 Cranes — Vocabulary — Part 1: General

$

436

BUY NOW

ISO 21940:2022

ISO 21940:2022 Mechanical vibration – Rotor balancing – Part 21: Description and evaluation of balancing machines

CDN $397.00

SKU: 247e703e63a4 Categories: ,

Description

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).

Edition

2

Published Date

2022-11-07

Status

PUBLISHED

Pages

62

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

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).

Previous Editions

Can’t find what you are looking for?

Please contact us at: