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BS M 32:1969

Current

Current

The latest, up-to-date edition.

Specification for dimensions of aircraft accessory drives and mounting pads

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-07-1969

£142.00
Excluding VAT

NO CONTENTS SECTION

Describes the design requirements for a range of quick-release couplings with involute spline drive primarily for aircraft engine/gearbox accessories which require to be removed whilst the engine/gearbox is in service.

Committee
ACE/12
DevelopmentNote
Supersedes 66/20435 DC (08/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
DocumentType
Standard
Pages
23
PublisherName
British Standards Institution
Status
Current

1.1 This British Standard specifies the design requirements for a range of quick-release couplings with involute spline drive primarily for aircraft engine/gearbox accessories which require to be removed whilst the engine/gearbox is in service.

1.2 The following items are subject to agreement between the engine/gearbox manufacturer and accessory manufacturer:

  1. Quill shaft design and length of spline engagement.
  2. Linear and geometrical tolerances affecting the splined drive.
  3. Angular spacing of oil transfer tubes or location pins if more than one is to be fitted.
  4. The provision for accepting the torque reaction.
  5. Arrangements for lubricating the splined drive.

Standards Relationship
ISO 1971:1975 Similar to

DEFSTAN 00-971/1(1987) : 1987 GENERAL SPECIFICATION FOR AIRCRAFT GAS TURBINE ENGINES
BS G 102:1971 Specification for general requirements for rotating electrical machinery

BS 1134:1961 Centre-line-average height method for the assessment of surface texture
BS 2856:1957 Precise conversion of inch & metric sizes on engineering drawings.
BS M 33:1970 Specification for dimensions of elastomeric toroidal sealing rings (inch series) to Class 1 tolerances for aircraft
BS 3550:1963 Specification for involute splines
BS 350:2004 Conversion factors for units
BS 903-A7:1957 Methods of testing vulcanized rubber. Determination of hardness

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