BS 1807:1981
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for marine main propulsion gears and similar drives: metric module
Hardcopy , PDF
15-11-1997
English
30-01-1981
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Terminology
4 Basic rack tooth profile
5 Standard normal modules
6 Accuracy requirements for gear blanks
7 Accuracy requirements for gears
8 Accuracy of assembly
Tables
1 Standard normal modules
2 Maximum permitted surface roughness of tooth flanks
3 Tooth contact marking
4 Tooth contact marking after load test
Figures
1 Tandem gear train
2 Dual tandem gear train
3 Split secondary gear train
4 Split primary gear train
5 Epicyclic primary gear train
6 Epicyclic secondary gear train
7 Double epicyclic gear train
8 20 deg pressure angle basic rack tooth profile in
terms of unit normal metric module
9 16 deg pressure angle basic rack tooth profile in
terms of unit normal metric module
10 Position of marking on reference surfaces on a wheel
11 Position of marking on reference surfaces on a
pinion
12 Maximum permissible undulation amplitude
13 Cumulative, short span and single pitch errors
14 Permissible consecutive errors
15 Matching of cumulative pitch errors
16 Base pitch error
17 Profile and alignment errors
18 Permissible backlash
19 Maximum permissible journal errors
Specifies basic tooth profiles, modules and accuracy requirements for high grade gears. Applies to gears and similar drives from 2 to 25 normal module. Specifies revised accuracy classes appropriate to particular requirements of gears in service.
| Committee |
MCE/5
|
| DevelopmentNote |
OBSOLETE
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Standards | Relationship |
| UNE-EN IEC 62343:2023 | Identical |
| BS 1134-2:1972 | Method for the assessment of surface texture General information and guidance |
| BS 436-2:1970 | Spur and helical gears Basic rack form, modules and accuracy (1 to 50 metric module) |
| BS 2519-2:1976 | Glossary for gears Notation |
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