BS ISO/TR 14179-1:2001
Current
The latest, up-to-date edition.
Gears. Thermal capacity Rating gear drives with thermal equilibrium at 95°C sump temperature
Hardcopy , PDF
English
25-09-2001
Foreword
Introduction
1 Scope
2 Symbols and units, term and definition
3 Rating criteria
4 Service conditions
4.1 Intermittent service
4.2 Adverse conditions
4.3 Favourable conditions
5 Methods for determining the thermal rating
6 Method A - Test
7 Method B - Calculations for determining the thermal
power rating, P[T]
7.1 Basis
7.2 Heat generation
7.3 Bearing power loss, P[B]
7.4 Mesh power loss, P[M], spur and helical gears
7.5 Mesh power loss, P[M], bevel gears
7.6 Mesh power loss, P[M], cylindrical worm gears
7.7 Mesh power loss, P[M], double enveloping worm gears
7.8 Oil seal power loss, P[S]
7.9 Gear windage and churning power loss, P[W]
7.10 Bearing windage and churning power loss, P[WB]
7.11 Oil pump power loss, P[P]
7.12 Heat dissipation, P[Q]
8 Modifications for non-standard operating conditions
Annex A (informative) Bevel gear mesh and gear windage
power losses
Annex B (informative) Worm gear mesh power losses
Bibliography
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