ISO 21940-21:2022
International Standard
Current Edition
·
Approved on
07 November 2022
Mechanical vibration — Rotor balancing — Part 21: Description and evaluation of balancing machines
ISO 21940-21:2022 Files
English
62 Pages
Current Edition
BHD
92.38
ISO 21940-21:2022 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).
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
BH GSO 150-2:2015
GSO 150-2:2013
Bahraini Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
BH GSO 9:2023
GSO 9:2022
Bahraini Technical Regulation
Labeling of prepackaged food stuffs
GSO 9:2022
Gulf Technical Regulation
Labeling of prepackaged food stuffs
Recently Published
ISO/IEC/IEEE 24748-8:2026
International Standard
Systems and software engineering — Life cycle management — Part 8: Technical reviews and audits on defence programs
ISO 19014-5:2026
International Standard
Earth-moving machinery — Functional safety — Part 5: Tables of performance levels
ISO 24304:2026
International Standard
Textiles — Determination of the aerobic biodegradation of textile materials in seawater
ISO 19014-1:2026
International Standard
Earth-moving machinery — Functional safety — Part 1: Methodology to determine safety-related parts of the control system and performance requirements