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BS ISO 10300-3:2023 – TC

$246.62

Tracked Changes. Calculation of load capacity of bevel gears – Part 3: Calculation of tooth root strength

Published By Publication Date Number of Pages
BSI 2023 128
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PDF Catalog

PDF Pages PDF Title
80 National foreword
84 Foreword
85 Introduction
87 1 Scope
2 Normative references
88 3 Terms and definitions
4 Symbols, general subscripts and abbreviated terms
92 5 General rating procedure
93 6 Gear tooth rating formulae ā€” Method B1
6.1 Tooth root stress formula
94 6.2 Permissible tooth root stress
95 6.3 Calculated safety factor
6.4 Tooth root stress factors
6.4.1 Tooth form factor, YFa
100 6.4.2 Stress correction factor for load at tooth tip, YSa
6.4.3 Contact ratio factor, YĪµ
6.4.4 Bevel spiral angle factor, YBS
102 6.4.5 Load sharing factor, YLS
6.5 Permissible tooth root stress factors
6.5.1 Relative surface condition factor, YR,relT-B1
103 6.5.2 Relative notch sensitivity factor, YĪ“,relT-B1
104 7 Gear tooth rating formulae ā€” Method B2
7.1 Tooth root stress formula
105 7.2 Permissible tooth root stress
7.3 Calculated safety factor
106 7.4 Tooth root stress factors
7.4.1 General
7.4.2 Stress parabola according to Lewis
7.4.3 Basic formula of geometry factor, YJ
107 7.4.4 Geometry factor, YJ, for bevel gears (for hypoid gears, see 7.4.5)
111 7.4.5 Geometry factor, YJ, for hypoid gears
119 7.4.6 Additional tooth strength parameters (for bevel and hypoid gears)
122 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, YĪ“,relT-B2
123 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)
8.2 Life factor, YNT
8.2.1 General
124 8.2.2 Method A
8.2.3 Method B
127 Bibliography
BS ISO 10300-3:2023 - TC
$246.62