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ISO TR 15144-1 : 2014

M00023022

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ISO TR 15144-1 : 2014

CALCULATION OF MICROPITTING LOAD CAPACITY OF CYLINDRICAL SPUR AND HELICAL GEARS - PART 1: INTRODUCTION AND BASIC PRINCIPLES

International Organization for Standardization

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Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols, and units
4 Definition of micropitting
5 Basic formulae
6 Material parameter, G[M]
7 Velocity parameter, U[Y]
8 Load parameter, W[Y]
9 Sliding parameter, S[GF,Y]
10 Definition of contact point Y
   on the path of contact
11 Load sharing factor, X[Y]
12 Contact temperature,theta[B,Y]
13 Flash temperature, theta[fl,y]
14 Bulk temperature, theta[M]
Annex A (informative) - Calculation of the permissible
        specific lubricant film thickness lambda[GFP]
        for oils with a micropitting test result
        according to FVA-Information Sheet 54/7
Bibliography

Abstract

Explains a procedure for the calculation of the micropitting load capacity of cylindrical gears with external teeth.

General Product Information

Document Type Standard
Status Current
Publisher International Organization for Standardization
Committee TC 60