针对钢轨焊接的电压控制要求，研制了钢轨闪光焊稳压调压电源系统。
To effectively control the voltage of rail flash welding, a kind of adjustable power supply system is developed.
结果表明：钢轨焊接所需顶锻力随顶锻量、顶锻速度的增加而增大，随焊口温度的降低而升高。
The results show that the upset force increases with the increasing of the upset length and upset speed, and increases with the reducing of the heating temperature.
在阅读相关文献的基础上，设计并制作了一种新型的钢轨焊接接头平直度测量仪的相关软件和硬件。
Based on a lot of related documents, in this article, the hard and soft system of a new style of E-Class rail foot flatness measuring instrument was designed and made.
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