QC/T 520-2019 Translated English of Chinese Standard (QC/T 520-2019, QCT520-2019): Sample scaling test method for automotive friction material
https://www.chinesestandard.net, 27 Αυγ 2023 - 23 σελίδες
This standard specifies the sample scaling test method for disc brake pads and drum brake linings for automobiles. This standard applies to friction materials for automobiles.
60 brakes according to formula Area reducing scale arithmetic mean automotive industry standard Average braking torque bench test methods brake lining ring brake pad ring braking cycle braking stop braking test speed building materials industry Calculate the initial calculate the test disc brake pad Disc plate type drum brake lining Drum plate 50 Equivalent friction radius formula 11 friction material specimen friction torque test industry are published initial braking test initial test speed km/h Take lining ring specimens m/s² Mass wear metering technical specifications Number of brakes pad ring specimens petrochemical plate 50 km/h provisions of 5.2 published by China Radius reducing scale Record the pressure recovery test reducing scale ratio rotational speed run-in specific pressure Po speed during braking standards are published Take the vehicle Technical requirements test Disc plate Test inertia test pair test specific pressure thermocouple vehicle braking deceleration vehicle speed vehicle speed Va Volume wear wear test