BS 7130:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for mechanical balancing of rotating machinery: shaft and fitment key convention
Hardcopy , PDF
English
30-11-1989
30-04-2012
National foreword
Committees responsible
Specification
1 Scope
2 Normative reference
3 Definitions
4 Half-key convention
5 Implementation
Annexes
A Recommendations for the implementation of the
half-key convention
B Transition to half-key convention
C Practical considerations for marking half keys
D Shaft and fitment key conventions
E Bibliography
Table
A.1 Worldwide past usage of key conventions
Figures
1 Major types of shaft keyways and keys
2 Contoured half-key set
C.1 Half-height key set
C.2 Half-length key (for shaft only), its centre of
gravity located in the same transverse plane as
that of the full key in the final assembly
C.3 Half-length key used for balancing fitment
C.4 Stepped (final) key for short fitment
C.5 Average-length (final) key for short fitment in
ideal position
C.6 Average-length (final) key for short fitment
mounted flush with shaft end, producing balancing
error
C.7 Stationary and operational key positions
C.8 Translation of key-caused quasi-static balancing
error into shaft (rotor) correction planes
C.9 Shaft keyway machines with end mill cutter
C.10 Shaft keyway machined with a key slot cutter
D.1 Internal moments created when a full key is
corrected by two correction masses on the rotor
body
Applies to rotors balanced in balancing machines, in their own housing and in situ.
| Committee |
GME/21/5
|
| DevelopmentNote |
Also numbered as ISO 8821 Supersedes 86/71953 DC (09/2005)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| DEFSTAN 02-327/3(2006) : 2006 | REQUIREMENTS AND GUIDANCE FOR THE PROCUREMENT OF PUMPS FOR AUXILIARY SYSTEMS |
| DEFSTAN 02-327/2(2001) : INTERIM | REQUIREMENTS AND GUIDANCE FOR THE PROCUREMENT OF PUMPS FOR AUXILIARY SYSTEMS |
| ISO 2953:1999 | Mechanical vibration — Balancing machines — Description and evaluation |
| ISO 5406:1980 | The mechanical balancing of flexible rotors |
| ISO 1940-1:2003 | Mechanical vibration — Balance quality requirements for rotors in a constant (rigid) state — Part 1: Specification and verification of balance tolerances |
| BS 4235-1:1972 | Specification for metric keys and keyways Parallel and taper keys |
| ISO 5343:1983 | Criteria for evaluating flexible rotor balance |
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