NEN EN 14535-1 : 2005 + A1 2011

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Requirements
  5.1 Purpose
  5.2 Materials, design and manufacture
  5.3 Dimensions
      5.3.1 Brake disc
      5.3.2 Hub bore
      5.3.3 Hub oil injection arrangement
      5.3.4 Access to the axle
      5.3.5 Indication of disc wear limits
      5.3.6 Finishing
      5.3.7 Balance
      5.3.8 Dimensional tolerances
  5.4 Performance
      5.4.1 Performance classification
      5.4.2 Structural distortion or displacement
      5.4.3 Thermal power dissipation
      5.4.4 Ventilation losses
      5.4.5 Noise generation
      5.4.6 Frictional performance
      5.4.7 Service life
  5.5 Installation
6 Test methods
  6.1 Type tests (Category A test)
      6.1.1 General
      6.1.2 Test certificate
  6.2 Homologation tests
  6.3 Routine tests
      6.3.1 Verification
      6.3.2 Specifications
      6.3.3 Traceability
      6.3.4 Tests and measurements
      6.3.5 Records
7 Classification and designation
  7.1 Classification
  7.2 Designation
8 Marking and packaging
  8.1 Marking
  8.2 Packing and protection
Annex A (informative) Situation of temperature sensors
Annex B (informative) Access for non-destructive testing of
                      axles
Annex ZA (informative) Relationship between this European
                       Standard and the Essential Requirements
                       of EU Directive 96/48/EC of 23 July 1996
                       on the Interoperability of the
                       trans-European high-speed rail system
Annex ZB (informative) Relationship between this European Standard
                       and the Essential Requirements of EU
                       Directive 2001/16/EC of the European
                       Parliament and of the Council of 19 March
                       2001 on the interoperability of the
                       trans-European conventional rail system
Bibliography

Defines requirements for the design, dimensions, performance, and testing of the brake disc, hereafter called 'disc'.