介绍了DJ 1构架侧梁的结构，分析了其焊接变形特点，阐述了控制构架侧梁焊接变形的工艺措施。
This paper mainly describes the structure of DJ1 bogie side frame and analyzes its distortion characteristic. The controlling technology of welding distortion has also been presented.
基于这种方法，以SS_（7E）型电力机车转向架构架箱型变截面侧梁为应用对象，创建了有限元求解模型。
This calculating technique then attempts to be applied to the box-shape-section lateral beam in the bogie's frame of SS7E electro-locomotive in order to obtain the FEM calculating results.
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