• There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

BS 1807:1981

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Available format(s)

Hardcopy , PDF

Withdrawn date

15-11-1997

Language(s)

English

Published date

30-01-1981

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Withdrawn

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

View more information
£198.00
Excluding VAT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.