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BSI PD ISO/TS 6336-21:2022

BSI PD ISO/TS 6336-21:2022

$167.15

Calculation of load capacity of spur and helical gears – Part 21: Calculation of scuffing load capacity — Integral temperature method

Published By Publication Date Number of Pages
BSI 2022 44
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
3.1 Terms and definitions
3.2 Symbols and units
12 4 Field of application
4.1 General
4.2 Scuffing damage
13 4.3 Integral temperature criterion
5 Influence factors
5.1 Mean coefficient of friction, μmC
15 5.2 Run-in factor, XE
16 5.3 Thermal flash factor, XM
17 5.4 Pressure angle factor, Xαβ
6 Calculation
6.1 Cylindrical gears
6.1.1 General
18 6.1.2 Scuffing safety factor, SintS
6.1.3 Permissible integral temperature, ϑintP
6.1.4 Integral temperature, ϑint
6.1.5 Flash temperature at pinion tooth tip, ϑflaE
19 6.1.6 Bulk temperature, ϑM
6.1.7 Mean coefficient of friction, μmC
20 6.1.8 Run-in factor, XE
6.1.9 Thermal flash factor, XM
6.1.10 Pressure angle factor, Xαβ
6.1.11 Geometry factor at tip of pinion, XBE
6.1.12 Approach factor, XQ
21 6.1.13 Tip relief factor, XCa
23 6.1.14 Contact ratio factor, Xε
25 6.2 Scuffing integral temperature
6.2.1 General
26 6.2.2 Scuffing integral temperature, ϑintS
30 6.2.3 Relative welding factor, XWrelT
31 Annex A (informative) Examples
38 Annex B (informative) Contact-time-dependent scuffing temperature
43 Bibliography

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BSI PD ISO/TS 6336-21:2022
$167.15