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在批林批孔运动普及、深入、持久发展的大好形势下,西安市石棉制品厂广大革命职工发扬敢想敢干的革命精神,试制成功一种新型火车制动闸瓦——塑料合成闸瓦,并在西安铁路局革命职工的配合下,分别装在53/4,75/6和167/8次列车上进行了试验,试验结果证明,效果良好。塑料合成闸瓦是一种新型的摩擦制动材料,具有摩擦系数高、耐磨性能好,制动距离短,轻便易装易卸等优点。它的出现和使用,将为国家节约大量的生铁,支援社会主义建设。
With the popularization, deepening and sustained development of the Pok Pik Kong movement, the vast majority of revolutionary workers in the asbestos products factory in Xi’an carry forward the revolutionary spirit of daring to dare to make a successful trial of a new type of train brake shoe, a plastic brake shoe , And with the cooperation of the revolutionary staff of Xi’an Railway Bureau, they were put on the 53/4, 75/6 and 167/8 trains respectively to carry out tests. The test results show that the effect is good. Plastic brake shoe is a new type of friction brake material, which has the advantages of high friction coefficient, good wear resistance, short braking distance, light weight and easy loading and unloading. Its emergence and use will save the country a great deal of pig iron and support the socialist construction.