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overview of The under-rail iron pad


The under-rail iron pad between the rail and the sleeper is one of the important components in the track structure and plays an important role in the vibration reduction of the wheel-rail power system. With the development of heavy-duty railway transportation, the axle load is increasing day by day. At the same time as the rail is gradually heavy, the performance of the bolster is put forward higher, and the damping performance of the bolster is good, impact resistance and long service life. There are currently three production processes for iron underlays under railway rails: forging, casting, and rolling, which are customized according to different customer needs.