Adaptive attenuation technology of high-speed rail bogie polyurethane catalyst PT303 vibration spectrum

Adaptive attenuation technology for vibration spectrum of high-speed rail bogies polyurethane catalyst PT303 Introduction: The “foot” of the high-speed rail and its “shoes” In the world of high-speed rail, the bogie is the “foot” of the train, and the polyurethane catalyst PT303 is a pair of “shoes” customized for these feet. Without good shoes, no matter how strong your feet are, they cannot run fast. Similarly,…