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
94.39 BHD
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 2055-1:2016
GSO 2055-1:2015
Bahraini Technical Regulation
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements
Recently Published
ISO/IEC TR 21221:2025
International Standard
Information technology — Artificial intelligence — Beneficial AI systems
ISO 7730:2025
International Standard
Ergonomics of the thermal environment — Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria
ISO 8000-220:2025
International Standard
Data quality — Part 220: Sensor data: Quality measurement
ISO 22412:2025
International Standard
Particle size analysis — Dynamic light scattering (DLS)