BSI PD ISO/TS 6336-20:2022 – TC 2024

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Tracked Changes. Calculation of load capacity of spur and helical gears – Calculation of scuffing load capacity. Flash temperature method

Published By	Publication Date	Number of Pages
BSI	2024	113

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PDF Catalog

PDF Pages	PDF Title
1	30485331
70	A-30449592
71	National foreword
75	Foreword
76	Introduction
78	1 Scope 2 Normative references 3 Terms and definitions 3.1 Terms and definitions 3.2 Symbols and units
82	4 Scuffing and wear 4.1 Occurrence of scuffing and wear 4.2 Transition diagram
84	4.3 Friction at incipient scuffing 5 Basic formulae 5.1 Contact temperature
85	5.2 Flash temperature formula
86	5.3 Transverse unit load
87	5.4 Distribution of overall bulk temperatures
88	5.5 Rough approximation of a bulk temperature
89	6 Coefficient of friction 6.1 General 6.2 Mean coefficient of friction, method A 6.3 Mean coefficient of friction, method B 6.4 Mean coefficient of friction, method C
90	7 Parameter on the line of action
91	8 Approach factor
92	9 Load sharing factor, XΓ 9.1 General 9.2 Spur gears with unmodified profiles
94	9.3 Spur gears with profile modification
95	9.4 Buttressing factor, Xbut,Γ
96	9.5 Helical gears with εβ ≤ 0,8 and unmodified profiles 9.6 Helical gears with εβ ≤ 0,8 and profile modification
97	9.7 Helical gears with εβ ≥ 1,2 and unmodified profiles
98	9.8 Helical gears with εβ ≥ 1,2 and profile modification
99	9.9 Helical gears with 0,8 < εβ < 1,2
100	10 Scuffing temperature and safety 10.1 Scuffing temperature 10.2 Structural factor
101	10.3 Contact exposure time 10.4 Scuffing temperature in gear tests
102	10.5 Safety range
103	Annex A (informative) Flash temperature formula presentation
108	Annex B (informative) Optimal profile modification
110	Bibliography