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随着近代高速机车及高速列车的迅速发展,作为我国现有具体执行列车能量转换的基础制动装置——铸铁闸瓦,远远不能适应日益提高的列车速度和不断发展的牵引重量的要求,因此合成闸瓦当前得到了迅速的发展。合成闸瓦是热固性塑料,具有质轻、制动性强、耐磨、刹车快、节约钢材及成本低廉等优点。
With the rapid development of modern high-speed locomotives and high-speed trains, as the existing brake system of China’s current specific implementation of train energy conversion-cast iron brake shoes, far can not meet the increasing requirements of the train speed and the growing traction weight, Therefore, the synthetic brake shoe has been rapidly developed. Synthetic brake shoe is a thermosetting plastic, with light weight, strong braking, wear-resistant, brake fast, saving steel and low cost advantages.