BS ISO/TR 13989-1:2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 scuffing load capacity of cylindrical, bevel and hypoid gears Flash temperature method
Hardcopy , PDF
19-02-2018
English
15-05-2001
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
3.1 Terms and definitions
3.2 Symbols and units
4 Scuffing and wear
4.1 Occurrence of scuffing and wear
4.2 Transition diagram
4.3 Friction at incipient scuffing
5 Basic formulae
5.1 Contact temperature
5.2 Flash temperature formula
5.3 Transverse unit load
5.4 Distribution of overall bulk temperatures
5.5 Rough approximation of a bulk temperature
6 Coefficient of friction
6.1 Mean coefficient of friction, Method A
6.2 Mean coefficient of friction, Method B
6.3 Mean coefficient of friction, Method C
7 Parameter on the line of action
8 Approach factor
9 Load sharing factor
9.1 Buttressing factor
9.2 Spur gears with unmodified profiles
9.3 Spur gears with profile modification
9.4 Narrow helical gears with unmodified profiles
9.5 Narrow helical gears with profile modification
9.6 Wide helical gears with unmodified profiles
9.7 Wide helical gears with profile modification
9.8 Narrow bevel gears
9.9 Wide bevel gears
10 Scuffing temperature and safety
10.1 Scuffing temperature
10.2 Structural factor
10.3 Contact exposure time
10.4 Scuffing temperature in gear tests
10.5 Safety range
Annex A (informative) Flash temperature formula presentation
Annex B (informative) Optimal profile modification
Bibliography
Defines procedures and formulae for evaluation of the risk of scuffing, based on Blok's contact temperature concept.
| Committee |
MCE/5
|
| DevelopmentNote |
Reviewed and confirmed by BSI, September, 2004. (11/2004)
|
| DocumentType |
Standard
|
| Pages |
48
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO/TR 13989-1:2000 | Identical |
| ISO 677:1976 | Straight bevel gears for general engineering and heavy engineering Basic rack |
| ISO 6336-2:2006 | Calculation of load capacity of spur and helical gears Part 2: Calculation of surface durability (pitting) |
| ISO 14635-1:2000 | Gears — FZG test procedures — Part 1: FZG test method A/8,3/90 for relative scuffing load-carrying capacity of oils |
| ISO 701:1998 | International gear notation Symbols for geometrical data |
| ISO 6743-6:1990 | Lubricants, industrial oils and related products (class L) Classification Part 6: Family C (Gears) |
| 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 6336-3:2006 | Calculation of load capacity of spur and helical gears Part 3: Calculation of tooth bending strength |
| ISO 6336-5:2016 | Calculation of load capacity of spur and helical gears Part 5: Strength and quality of materials |
| ISO 10300-1:2014 | Calculation of load capacity of bevel gears — Part 1: Introduction and general influence factors |
| DIN 51354-2:1990-04 | TESTING OF LUBRICANTS; FZG GEAR TEST RIG; METHOD A/8.3/90 FOR LUBRICATING OILS |
| 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 10300-3:2014 | Calculation of load capacity of bevel gears — Part 3: Calculation of tooth root strength |
| ISO 10825:1995 | Gears — Wear and damage to gear teeth — Terminology |
| ISO 10300-2:2014 | Calculation of load capacity of bevel gears — Part 2: Calculation of surface durability (pitting) |
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