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高速机车、动车和车辆的走行部采用径向可调轮对，可以大大减少在弯道上运行时的轮—轨磨耗，磨耗量最大可减少80％。文中介绍了AEG和MAN等公司为ICE等高速动车开发的多种具有径向可调轮对的走行部；详细介绍了其模拟计算、结构设计、滚动试验台试验及线路运行试验等整个开发过程以及试验数据。高速转向架有HLD－E、HLD－L、HLD－300和HLD－K等型号，其设计速度为200～300km／h；用于ICE－V高速列车的转向架，其设计速度达350km／h。
The use of radially adjustable wheelsets for high-speed locomotives, motorhomes and vehicles has greatly reduced wheel-to-rail wear when running on corners, reducing wear by up to 80%. This paper introduces a variety of walkways with radially adjustable wheelsets developed by companies such as AEG and MAN for high speed trains such as ICE. The whole development process including simulation calculation, structural design, rolling test bench test and line running test are introduced in detail. As well as experimental data. High-speed bogies are available in models such as HLD-E, HLD-L, HLD-300 and HLD-K with a design speed of 200-300 km / h; bogies for ICE-V high-speed trains with a design speed of 350 km / h .