GB/T 34007-2017 Translated English of Chinese Standard. (GBT 34007-2017, GB/T34007-2017, GBT34007-2017): Road vehicles - Brake lining friction materials - Drag test method for friction performancehttps://www.chinesestandard.net, 2019. 2. 16. - 16페이지 This standard specifies the test equipment, test type, test device, test procedure, result report of the friction performance test of the brake lining materials of road vehicles using the drag test method. This standard applies to the friction performance test of brake linings (hereinafter referred to as linings) used in category M, N, O, L vehicles. |
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accurate to 0.01 Auto avoid oil brake disc body brake lining brake run Brake’s output torque braking torque reaches calculated according categories M1 Celsius collection point constant pressure mode constant torque mode dedicated backplate determine the measurement disc linings documents drum linings Forced cooling Friction Material friction surface GB/T Identify 4 points joules lining or sample lining thickness linings and drum linings for categories maximum friction maximum friction coefficient measure and record measurement points minimum friction coefficient Number of brake O4 vehicles original sample method original sample test point of minimum procedure at constant procedure for disc r/min record the thickness Road vehicles runs per braking Schematic diagram set value shown in Figure stains or breakage standard take 2 linings takes the value temperature of brake terms and definitions test device test equipment Test procedure Test type thermocouple thickness and mass torque reaches 80 vehicles Test