BS ISO 21940-12:2016
Current
The latest, up-to-date edition.
Mechanical vibration. Rotor balancing Procedures and tolerances for rotors with flexible behaviour
04-30-2016
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Fundamentals of dynamics and balancing of
rotors with flexible behaviour
5 Rotor configurations
6 Procedures for balancing rotors with flexible
behaviour at low speed
7 Procedures for balancing rotors with flexible
behaviour at high speed
8 Evaluation criteria
9 Evaluation procedures
Annex A (informative) - Cautionary notes concerning
rotors when installed in-situ
Annex B (informative) - Optimum planes balancing - Low-speed
three-plane balancing
Annex C (informative) - Conversion factors
Annex D (informative) - Example calculation of equivalent
residual modal unbalances
Annex E (informative) - Procedures to determine whether
a rotor shows rigid or flexible behaviour
Annex F (informative) - Method of computation of unbalance
correction
Bibliography
Defines typical configurations of rotors with flexible behaviour in accordance with their characteristics and balancing requirements, describes balancing procedures, specifies methods of assessment of the final state of balance, and establishes guidelines for balance quality criteria.
| Committee |
GME/21/5
|
| DevelopmentNote |
Supersedes BS ISO 11342 & 15/30311781 DC. (04/2016)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 21940-12:2016 | Identical |
| ISO 21940-14:2012 | Mechanical vibration — Rotor balancing — Part 14: Procedures for assessing balance errors |
| ISO 2041:2009 | Mechanical vibration, shock and condition monitoring Vocabulary |
| ISO 1925:2001 | Mechanical vibration Balancing Vocabulary |
| ISO 21940-32:2012 | Mechanical vibration — Rotor balancing — Part 32: Shaft and fitment key convention |
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