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双动力48磨头钢轨打磨车(GMC-48JS钢轨打磨车) Hybrid dual-power rail grinding machine with 48 grinding Heads (Model GMC-48JS rail grinding machine)
双动力48磨头钢轨打磨车最高自运行速度120km/h,可在2~16km/h的低恒速作业走行,利用高速旋转的砂轮对钢轨轨头表面进行磨削,消除钢轨波浪形磨耗、钢轨肥边、马鞍形磨耗、焊缝凹陷及鱼鳞裂纹等病害。通过对铁路钢轨的打磨,一方面显著改善轮轨作用关系,提高列车运行品质和旅客舒服度,另一方面可阻止钢轨病害的发展,延长钢轨使用寿命。
With the maximum self-propelled traveling speed of 120km/h, the hybrid dual-power rail grinding machine with 48 grinding heads is able to run at a constant speed of 2~16km/h, and to grind the rail head surface by means of grinding wheel rotating at high speed, eliminate the rail corrugation, flow of rail, saddle wear, weld depression and fish scale crack, etc. Through rail grinding, it is possible to improve the effect relationship significantly between wheel and rail, improve the running quality of train and comfort feeling of passengers, and also prevent the development of rail damage, and prolong the service life of rail.

双动力48磨头钢轨打磨车由两节作业车及一节牵引车共三节车组成,作业车位于列车两端,牵引车位于列车中部,两节作业车的结构相同,可完全互换使用。整车采用内燃交流电传动和接触网受电电传动两种传动方式,两种动力可实现无缝转换。该车设有集尘系统,可有效收集钢轨打磨过程中产生的灰尘和碎屑,减少二次污染。
The dual-power rail grinding machine with 48 grinding heads is composed of two working cars and one traction car. The working cars are at the two ends of train, and the traction car is in the middle of train. The two working car are the same in structure and thus interchangeable
for use. The complete vehicle is designed with internal combustion AC drive and OCS power receiving electric drive modes, and both of the two powers can realize seamless conversion. The vehicle is equipped with dust collection system which is able to collect the dust and debris produced during rail grinding and reducde pollution.

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