Road vehicles - Brake lining friction materials - Standard performance test procedure for commerical vehicles with air brakes (ISO 26865:2009, IDT)
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SS-ISO 26865:2009
Road vehicles - Brake lining friction materials - Standard performance test procedure for commerical vehicles with air brakes (ISO 26865:2009, IDT)
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This International Standard applies to commercial vehicles of the categories M2, M3, N2, N3, O3 and O4, as defined in UNECE R.E.3, which are equipped with air brakes. This International Standard applies during product development, product prototypes, product specification or validation, and ongoing series production, as defined in ISO 15484. When used in conjunction with other applicable standards or test procedures, this International Standard is intended to provide a complete assessment of a friction material’s adequacy for use in a certain application, market or vehicle platform. NOTE Applicable standards and test procedures include ISO, JIS/JASO (Japanese Industrial Standard/Japanese Automotive Standards Organization), SAE (Society of Automotive Engineers), Federal Codes or regulations, and other project or company-specific testing programmes. This International Standard does not include performance requirements related to stopping distance or braking force distribution, under different vehicle conditions of speed, temperature, tyre-to-road adhesion, loads and operating conditions of the braking system, as indicated in Federal Codes or Regulations. This International Standard specifies a single-ended inertia-dynamometer performance procedure, which is intended to standardize the various procedures for commercial vehicles equipped with air brakes into one unique procedure covering all performance requirements of interest. The test sequence includes performance evaluation for the following conditions: - performance test before and after bedding; - brake fade after bedding and after moderate temperature; - sensitivity to temperature, speed and pressure influence; - downhill simulation; - brake recovery.
Road vehicles - Brake lining friction materials - Standard performance test procedure for commerical vehicles with air brakes (ISO 26865:2009, IDT)
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