PD ISO/TR 14521:2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
05-14-2020
English
02-28-2011
Foreword
Introduction
1 Scope
2 Normative references
3 Symbols and terminology
4 Formulae for calculation of dimensions
5 General
6 Geometrical data to be known for calculation
7 Forces, speeds and parameters for the calculation of
stresses
8 Efficiency and power loss
9 Wear load capacity
10 Surface durability (pitting resistance)
11 Deflection
12 Tooth root strength
13 Temperature safety factor
14 Determination of the wheel bulk temperature
Annex A (informative) - Notes on physical parameters
Annex B (informative) - Methods for the determination of the
parameters
Annex C (informative) - Lubricant film thickness according to
EHL - theory
Annex D (informative) - Wear path definitions
Annex E (informative) - Notes on calculation wear
Annex F (informative) - Notes on tooth root strength
Annex G (informative) - The utilisation of existing tooling for
machining of worm wheel teeth
Annex H (informative) - Adaptation of equations for the reference
gear to own results of measurements
Annex I (informative) - Life time estimation for worm gears with
a high risk of pitting damage
Annex J (informative) - Examples
Bibliography
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