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PD ISO/TS 10300-20:2021 Calculation of load capacity of bevel gears - Calculation of scuffing load capacity. Flash temperature method, 2021
- National foreword
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols
- 5 Virtual cylindrical gear [Go to Page]
- 5.1 General
- 5.2 Local geometry parameters [Go to Page]
- 5.2.1 Transverse path of contact
- 5.2.2 Length of contact lines
- 5.2.3 Local equivalent radius of curvature, ρrel,Y
- 5.2.4 Local load sharing factor, XLS,Y
- 6 Stresses and velocities [Go to Page]
- 6.1 Local modified contact stress, σH,mod,Y
- 6.2 Sliding and sum of velocities
- 6.3 Local relative lubricating film thickness, λz,Y
- 6.4 Local coefficient of friction, µY
- 7 Local contact temperature, θC,Y [Go to Page]
- 7.1 General
- 7.2 Power losses influencing the bulk temperature [Go to Page]
- 7.2.1 General
- 7.2.2 Method A
- 7.2.3 Method B
- 7.2.4 Method C
- 7.3 Bulk temperature, θM [Go to Page]
- 7.3.1 General
- 7.3.2 Method A
- 7.3.3 Method B
- 7.3.4 Tip relief factor, XCA
- 7.4 Local flash temperature, θfl,Y
- 8 Permissible contact temperature [Go to Page]
- 8.1 Limit temperature from scuffing test, θS,DIN
- 8.2 Permissible temperature, θSC
- 8.3 Permissible scuffing temperature, θS,Y
- 9 Local safety factor, SS,Y
- Bibliography [Go to Page]