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BSI 22/30402448 DC 2022

BSI 22/30402448 DC 2022

$13.70

BS ISO 10300-3. Calculation of load capacity of bevel gears – Part 3. Calculation of tooth root strength

Published By Publication Date Number of Pages
BSI 2022 51
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols and abbreviated terms
14 5 General rating procedure
15 6 Gear tooth rating formulae€—€Method€B1
6.1 Tooth root stress formula
16 6.2 Permissible tooth root stress
6.3 Calculated safety factor
6.4 Tooth root stress factors
6.4.1 Tooth form factor, YFa
21 6.4.2 Stress correction factor for load at tooth tip, YSa
6.4.3 Contact ratio factor, Yε
22 6.4.4 Bevel spiral angle factor, YBS
23 6.4.5 Load sharing factor, YLS
6.5 Permissible tooth root stress factors
6.5.1 Relative surface condition factor, YR,relT-B1
24 6.5.2 Relative notch sensitivity factor, Yδ,relT-B1
26 7 Gear tooth rating formulae€— Method€B2
7.1 Tooth root stress formula
27 7.2 Permissible tooth root stress
7.3 Calculated safety factor
7.4 Tooth root stress factors
7.4.1 General
28 7.4.2 Stress parabola according to Lewis
7.4.3 Basic formula of geometry factor, YJ
30 7.4.4 Geometry factor, YJ, for bevel gears (for hypoid gears, see 7.4.5)
33 7.4.5 Geometry factor, YJ, for hypoid gears
43 7.4.6 Additional tooth strength parameters (for bevel and hypoid gears)
46 7.4.7 Root stress adjustment factor, YA
7.5 Permissible tooth root stress factors
7.5.1 Relative surface condition factor, YR,relT-B2
7.5.2 Relative notch sensitivity factor, Yδ,relT-B2
47 8 Factors for permissible tooth root stress common for method€B1 and method€B2
8.1 Size factor, YX
8.1.1 General
8.1.2 Structural and through hardened steels, spheroidal cast iron, perlitic malleable cast iron
8.1.3 Case, flame, induction hardened steels, nitrided or nitro carburized steels
8.1.4 Grey cast iron and spheroidal cast iron (ferrit structure)
48 8.2 Life factor, YNT
8.2.1 General
8.2.2 Method€A
8.2.3 Method€B
51 Bibliography

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BSI 22/30402448 DC 2022
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