ISO/TR 6336-30:2017
Calculation of load capacity of spur and helical gears — Part 30: Calculation examples for the application of ISO 6336 parts 1,2,3,5
ISO/TR 6336-30:2017 presents worked examples that apply exclusively the approximation methods for the determination of specific influential factors, such as the dynamic factor, Kv, and the load distributions factors KHα, KHβ, etc., where full analytical calculation procedures are provided within the referenced parts of ISO 6336.
Worked examples covering the more advanced analysis techniques and methods are outside the scope of this document.
The example calculations presented in this document are provided for guidance on the application of ISO 6336‑1, ISO 6336‑2, ISO 6336‑3 and ISO 6336‑5. Any of the values, safety factors or the data presented are not to be taken as recommended criteria for real gearing. Data presented within this document are for the purpose of aiding the application of the calculation procedures of ISO 6336‑1, ISO 6336‑2, ISO 6336‑3 and ISO 6336‑5.
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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 Worked examples
4.1 General
4.2 Qualifying comments
4.2.1 Calculation of base pitch deviation, fpb, and its application to the running in allowances
4.2.2 Calculation of mesh stiffness, cγ
4.2.3 Application of lubricant film ZL, Zv and ZR, hardness ZW and size ZX influence factors
4.2.4 Application of work hardening factor, ZW
4.2.5 Determination of Rz
4.2.6 Face width for calculations involving double helical gears
4.2.7 Calculation of εβ for double helical gears
4.2.8 Calculation of fHβ5 and fHβ
4.2.9 Helix tolerance fHβ5 and fHβ for double helical gears
4.2.10 Calculation of root diameter, df
4.2.11 Amendment to ISO 6336-3:2006, Formula (10) auxiliary value, E
4.2.12 Calculations for internal gears
4.3 Example 1: Single helical case carburized gear pair
4.4 Example 2: Single helical through-hardened gear pair
4.5 Example 3: Spur through-hardened gear pair
4.6 Example 4: Spur case carburized gear pair
4.7 Example 5: Spur gear pair with an induction hardened pinion and through-hardened cast gear
4.8 Example 6: Spur internal through-hardened gear pair
4.9 Example 7: Double helical through-hardened gear pair
4.10 Example 8: Single helical case carburized gear pair
Annex A (informative) Example 1 detailed calculation
Bibliography
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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 Worked examples
4.1 General
4.2 Qualifying comments
4.2.1 Calculation of base pitch deviation, fpb, and its application to the running in allowances
4.2.2 Calculation of mesh stiffness, cγ
4.2.3 Application of lubricant film ZL, Zv and ZR, hardness ZW and size ZX influence factors
4.2.4 Application of work hardening factor, ZW
4.2.5 Determination of Rz
4.2.6 Face width for calculations involving double helical gears
4.2.7 Calculation of εβ for double helical gears
4.2.8 Calculation of fHβ5 and fHβ
4.2.9 Helix tolerance fHβ5 and fHβ for double helical gears
4.2.10 Calculation of root diameter, df
4.2.11 Amendment to ISO 6336-3:2006, Formula (10) auxiliary value, E
4.2.12 Calculations for internal gears
4.3 Example 1: Single helical case carburized gear pair
4.4 Example 2: Single helical through-hardened gear pair
4.5 Example 3: Spur through-hardened gear pair
4.6 Example 4: Spur case carburized gear pair
4.7 Example 5: Spur gear pair with an induction hardened pinion and through-hardened cast gear
4.8 Example 6: Spur internal through-hardened gear pair
4.9 Example 7: Double helical through-hardened gear pair
4.10 Example 8: Single helical case carburized gear pair
Annex A (informative) Example 1 detailed calculation
Bibliography