介绍了下交叉支撑转向架的结构特点和关键技术参数，对侧架导框的加工、侧架与支撑座的组焊和转向架的组装工艺等着重进行了分析。

Mainly analyzed are the technologies in processing of side frame guides, assembly by welding of the side frame and braced seat, and assembly of the bogie.

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运用SIMPACK动力学软件，通过模拟计算，仅就交叉支撑装置对转向架动力学性能的影响进行了初步探讨。

By simulation and calculation, the influence of cross sustaining device to the dynamic character of bogie is basically discussed via the SIMPACK software.

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交叉支撑装置是提速货车转向架的关键部件之一。

Cross sustaining device is one of the key parts of speed increased freight car bogies.

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