BS ISO 6336-3:2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Calculation of load capacity of spur and helical gears Calculation of tooth bending strength
Hardcopy , PDF
24-12-2019
English
30-09-2008
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated
terms
4 Tooth breakage and safety factors
5 Basic formulae
5.1 Safety factor for bending strength
(safety against tooth breakage), S[F]
5.2 Tooth root stress, sigma[F]
5.3 Permissible bending stress, sigma[FP]
6 Form factor, Y[F]
6.1 General
6.2 Calculation of the form factor, Y[F]: Method B
6.3 Derivations of determinant normal tooth load
for spur gears
7 Stress correction factor, Y[S]
7.1 Basic uses
7.2 Stress correction factor, Y[S]: Method B
7.3 Stress correction factor for gears with notches
in fillets
7.4 Stress correction factor, Y[ST], relevant to the
dimensions of the standard reference test gears
8 Helix angle factor, Y[beta]
8.1 Graphical value
8.2 Determination by calculation
9 Rim thickness factor, Y[B]
9.1 Graphical values
9.2 Determination by calculation
10 Deep tooth factor, Y[DT]
10.1 Graphical values
10.2 Determination by calculation
11 Reference stress for bending
11.1 Reference stress for Method A
11.2 Reference stress, with values sigma[F lim] and
sigma[FE] for Method B
12 Life factor, Y[NT]
12.1 Life factor, Y[NT]: Method A
12.2 Life factor, Y[NT]: Method B
13 Sensitivity factor, Y[delta T], and relative notch
sensitivity factor, Y[delta rel T]
13.1 Basic uses
13.2 Determination of the sensitivity factors
13.3 Relative notch sensitivity factor, Y[delta rel T]:
Method B
14 Surface factors, Y[R], Y[RT], and relative surface
factor, Y[R rel T]
14.1 Influence of surface condition
14.2 Determination of surface factors and relative
surface factors
14.3 Relative surface factor, Y[R rel T]: Method B
15 Size factor, Y[X]
15.1 Size factor, Y[X]: Method A
15.2 Size factor, Y[X]: Method B
Annex A (normative) Permissible bending stress, sigma[FP],
obtained from notched, flat or plain
polished test pieces
Annex B (informative) Guide values for mean stress influence
factor, Y[M]
Bibliography
Describes the fundamental formulae for use in tooth bending stress calculations for involute external or internal spur and helical gears with a rim thickness s[R] > 0,5 h[t] for external gears and s[R] > 1,75 m[n] for internal gears.
Committee |
MCE/5
|
DevelopmentNote |
Supersedes 90/77564 DC. (03/2005) Supersedes 03/314804 DC. (10/2006)
|
DocumentType |
Standard
|
Pages |
52
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
Standards | Relationship |
ISO 6336-3:2006 | Identical |
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 |
DEFSTAN 02-305/3(2010) : 2010 | 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 |
VDI 2226:1965-07 | Recommendation for the stability calculation of metallic building components |
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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