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 performance
https://www.chinesestandard.net, 16 feb 2019 - 16 pagine
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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Test type and test device
Report of results
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accurate to 0.01 applicable Auto avoid oil body brake caliper brake disc brake lining brake run braking cycle calculated according categories M1 collection point constant pressure mode constant torque mode dedicated backplate determine the measurement difference disc linings documents drum linings exceed Forced cooling formula Friction Material friction surface GB/T Initial temperature lining or sample lining thickness linings and drum linings for categories maximum maximum value measure and record measurement points meet the following meters millimeters minimum friction coefficient Newton Number of brake O4 vehicles original sample method original sample test point of minimum procedure at constant r/min record the thickness run-in sample block Schematic diagram set value shown in Figure specified square stains or breakage standard take 2 linings temperature of brake terms and definitions test device test equipment Test procedure Test type thickness and mass vehicles Test