GB/T 41663-2022 Translated English of Chinese Standard (GB/T 41663-2022, GBT41663-2022): Road vehicles - Brake lining friction materials - Scale inertia dynamometer test methodThis document specifies the test conditions and preparation, specimen items and procedures, and test reports of the scale inertia dynamometer test method for the brake lining friction materials of road vehicles. This document is applicable to the scale inertia dynamometer test of disc brake linings of passenger cars. On the basis of familiarity with the principle of scale reduction, this document may also be taken as a reference for the brake lining test of other types of vehicles. This document is applicable to raw material screening and inspection, early development of friction materials, quality control of production processes and test of foreign samples. |
Contents
| 3 | |
Symbols and Abbreviations | 11 |
Test Report | 19 |
informative Temperature Measurement Method of Scale Test | 28 |
Appendix F informative Outline of Scale Test | 34 |
Common terms and phrases
accordance with Formula adopts Appendix applicable average value brake assembly test brake deceleration Brake Distance brake line pressure brake lining area brake torque braking mode braking piston area calculated in accordance collected constant input Cooling Air Duct document effective friction radius Efficiency Test evaluation expressed expressed in m2 following test conditions friction coefficient friction materials full-scale assembly test full-scale brake assembly inertia test bench initial brake speed initial brake temperature Inspection instantaneous brake km/h lower mass wear Maximum measurement location needs NOTE number of brakes range ratio of brake Recession Recovery recession test record Recovery Test reference relative humidity requirements rotation speed running-in scale brake disc scale braking piston scale inertia test Scale Ratio scale test Second shown in Figure simulate specimen structure Table Test Inertia test procedure test results test value thermocouple thickness wear Unit vehicle wear measurement