15/30311781 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS ISO 21940-12 - MECHANICAL VIBRATION - ROTOR BALANCING - PART 12: PROCEDURES AND TOLERANCES FOR ROTORS WITH FLEXIBLE BEHAVIOUR
Hardcopy , PDF
30-04-2016
English
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Fundamental of dynamic and balancing of rotor
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 on site
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
BS ISO 21940-12.
| Committee |
GME/21/5
|
| DocumentType |
Draft
|
| Pages |
44
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| ISO 21940-14:2012 | Mechanical vibration — Rotor balancing — Part 14: Procedures for assessing balance errors |
| ISO 1940-1:2003 | Mechanical vibration Balance quality requirements for rotors in a constant (rigid) state Part 1: Specification and verification of balance tolerances |
| 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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