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BS ISO 6336-2:2006

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Calculation of load capacity of spur and helical gears Calculation of surface durability (pitting)
Available format(s)

Hardcopy , PDF

Superseded date

12-14-2020

Language(s)

English

Published date

09-30-2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
4 Pitting damage and safety factors
5 Basic formulae
   5.1 General
   5.2 Safety factor for surface durability (against
        pitting), S[H]
   5.3 Contact stress, sigma[H]
   5.4 Permissible contact stress, sigma[HP]
6 Zone factor, Z[H], and single pair tooth contact factors,
   Z[B] and Z[D]
   6.1 Zone factor, Z[H]
   6.2 Single pair tooth contact factors, Z[B] and Z[D],
        for epsilon[alpha] <= 2
   6.3 Single pair tooth contact factors, Z[B] and Z[D],
        for epsilon[alpha] > 2
7 Elasticity factor, Z[E]
8 Contact ratio factor, Z[epsilon]
   8.1 Determination of contact ratio factor, Z[epsilon]
   8.2 Calculation of transverse contact ratio,
        Sigma[alpha], and overlap ratio, epsilon[beta]
9 Helix angle factor, Z[beta]
10 Strength for contact stress
   10.1 Allowable stress numbers (contact), sigma[H lim], for
        Method B
   10.2 Allowable stress number values for Method B[R]
11 Life factor, Z[NT] (for flanks)
   11.1 Life factor Z[NT]: Method A
   11.2 Life factor Z[NT]: Method B
12 Influence of lubricant film, factors Z[L], Z[v] and Z[R]
   12.1 General
   12.2 Influence of lubricant film: Method A
   12.3 Influence of lubricant film, factors Z[L], Z[v] and
        Z[R]: Method B
13 Work hardening factor, Z[W]
   13.1 Work hardening factor, Z[W]: Method A
   13.2 Work hardening factor, Z[W]: Method B
14 Size factor, Z[X]
Annex A (informative) Start of involute
Bibliography

Defines the fundamental formula for use in the determination of the surface load capacity of cylindrical gears with involute external or internal teeth. It includes formula for all influences on surface durability for which quantitative assessments can be made. Applies primarily to oil-lubricated transmissions, but can also be used to obtain approximate values for (slow-running) grease-lubricated transmissions, as long as sufficient lubricant is present in the mesh at all times.

Committee
MCE/5
DevelopmentNote
Supersedes 89/75653 DC. (07/2005) Supersedes 03/314803 DC (10/2006)
DocumentType
Standard
Pages
42
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 6336-2:2006 Identical

DEFSTAN 02-305/3(2010) : 2010 REQUIREMENTS FOR GEARING - MAIN PROPULSION
BS 7905-1:2001 Lifting equipment for performance, broadcast and similar applications Specification for the design and manufacture of above stage equipment (excluding trusses and towers)
DEFSTAN 02-305/2(2003) : 2003 REQUIREMENTS FOR GEARING - MAIN PROPULSION

ISO 4287:1997 Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters
ISO 701:1998 International gear notation Symbols for geometrical data
ISO 1328-1:2013 Cylindrical gears — ISO system of flank tolerance classification — Part 1: Definitions and allowable values of deviations relevant to flanks of gear teeth
ISO 6336-5:2016 Calculation of load capacity of spur and helical gears Part 5: Strength and quality of materials
ISO 6336-1:2006 Calculation of load capacity of spur and helical gears Part 1: Basic principles, introduction and general influence factors
ISO 53:1998 Cylindrical gears for general and heavy engineering Standard basic rack tooth profile
ISO 54:1996 Cylindrical gears for general engineering and for heavy engineering — Modules
AGMA 2001 : D FUNDAMENTAL RATING FACTORS AND CALCULATION METHODS FOR INVOLUTE SPUR AND HELICAL GEAR TEETH

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