Described are the improvement and dynamics performance on-track test on 18-578 bogies for Russian railway freight cars.

介绍了俄罗斯铁路货车18 - 578型转向架的改进及线路动力学性能试验。

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The bad release of the composite brake beam in speed increased bogies for railway freight cars is analyzed through calculation and test.

通过计算和试验，对铁路货车提速转向架组合式制动梁缓解不良问题进行了分析，提出了影响因素和改进方案。

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