GB/T 29063-2012Road vehicles -- Brake lining friction materials -- Standard performance test procedure for commercial vehicles with air brakes (English PDF)

1 Scope

This standard applies to UNECER.E.3 in M2, M3, N2, N3, O3 and O4 class air brakes for commercial vehicles.

This standard also applies to ISO 15484 definition of product development, product trial, product specification or validation and mass-produced products.

When used in conjunction with other applicable standards or test procedures, the standard provides a friction material under certain conditions market or car factory

Full and complete evaluation methods.

Note. Other applicable standards and test procedures including ISO , JIS/JASO (Japanese Industrial Standards/Japan Automobile Standards Organization), SAE (USA Automotive Engineering

Institute of Surveyors), national standards or specifications, test procedures, or other items specified by the user.

This standard does not include the vehicle under different conditions and the braking distance and the braking force distribution-related performance standards or national regulations to

Requirements, different vehicle conditions are mainly speed, temperature, adhesion coefficient, load and brake condition.

This standard specifies a single head dynamometer performance test procedures, aimed at the commercial vehicle air brake test procedure standardized for the different

All test procedures contain a unique performance requirements.

Performance evaluation test sequence includes the following conditions.

--- Run-around performance test;

--- After running and moderate temperatures after brake failure;

--- Temperature, velocity and pressure sensitivity under the influence;

--- Downhill simulation;

--- Brake recovery.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

ISO 611.2003 Road vehicles and trailer brake Terminology and definitions (Roadvehicles-brakingofautomo- tivevehiclesandtheirtrailers-Vocabulary)

ISO 1176 Road vehicles - Vocabulary and code quality (Roadvehicles-Masses-Vocabularyandcodes)

ISO 3833 Road vehicles - Types - Terms and definitions (Roadvehicles-Types-Termsanddefinitions)

ISO 11157.2005 Road vehicles - Brake lining assembly Inertia bench test methods (Roadvehicles-Brakelining assemblies-Inertiadynamometertestmethod)

ISO 15484 Road vehicles - Brake lining friction materials product validation and quality assurance (Roadvehicles-Brakelining frictionmaterials-Productdefinitionandqualityassurance)

UNECER.E.3 (1999) classification of motor vehicles and trailers (ConsolidatedResolutionontheConstructionof

Vehicles)

3 Terms and Definitions

UNECER.E.3, ISO 611, ISO 1176, ISO 3833, ISO 15484 and defined by the following terms and definitions apply to this file. […]