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BS ISO 10300-2:2023

BS ISO 10300-2:2023

$167.15

Calculation of load capacity of bevel gears – Calculation of surface durability (macropitting)

Published By Publication Date Number of Pages
BSI 2023 44
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols, general subscripts and abbreviated terms
14 5 Macropitting damage — General aspects
5.1 Acceptable versus unacceptable macropitting
5.2 Assessment requirements
15 5.3 General rating procedure
6 Gear flank rating formulae — Method B1
6.1 Contact stress formula
16 6.2 Permissible contact stress
6.3 Calculated safety factor for contact stress
17 6.4 Contact stress factors
6.4.1 Mid-zone factor, ZM-B
19 6.4.2 Load sharing factor, ZLS
20 6.5 Permissible contact stress factors
6.5.1 Bevel gear factor, ZKP
6.5.2 Size factor, ZX
21 6.5.3 Hypoid factor, ZHyp
24 7 Gear flank rating formulae — Method B2
7.1 Contact stress formula
25 7.2 Permissible contact stress
7.3 Calculated safety factor for contact stress
7.4 Contact stress factors
7.4.1 General
26 7.4.2 Macropitting resistance geometry factor, ZI
28 7.4.3 Facewidth factor, ZFW
29 7.4.4 Contact stress adjustment factor, ZA
8 Factors for contact stress and permissible contact stress common for method B1 and method B2
8.1 Elasticity factor, ZE
30 8.2 Lubricant film influence factors, ZL, Zv, ZR
8.2.1 General
8.2.2 Restrictions
8.2.3 Method B
31 8.2.4 Method C (product of ZL, Zv and ZR)
32 8.3 Work hardening factor, ZW
8.3.1 General
8.3.2 Work hardening factor, ZW: Method A
8.3.3 Work hardening factor, ZW: Method B
35 8.4 Life factor, ZNT
8.4.1 General
36 8.4.2 Method A
8.4.3 Method B
38 Annex A (informative) Local calculation method for surface durability (macropitting) – Method B1-localised
43 Bibliography

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BS ISO 10300-2:2023
$167.15