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1·The welding distortion of these structure is too serious.

这些结构的焊接变形太严重了。

2·The methods of welding distortion prediction are largely based on finite element analysis.

焊接变形预测方法大都基于有限元分析。

3·The minimum welding distortion was obtained by the combination of static and dynamic thermal tensioning.

静态与动态温差拉伸结合使用，获得了最小的焊接变形。

4·The prediction and controlling of welding distortion and residual stress is still a very important project in the industry.

焊接变形和残余应力的预测和控制至今仍然是工业生产中需要解决的重要课题。

5·Two methods of welding distortion straightening technique are summed up from plate model and applied to some conventional welding distortion treatment.

以钢板对接为例，提出了焊接变形高效矫正法的两条途径，并将其应用于几种常见的焊接变形矫正中。

6·The mechanical factors for the property of welding joint are welding defects, discontinuity of joint shape, welding residual stress and welding distortion.

通常，影响焊接接头性能的力学因素有焊接缺陷、接头形状的不连续性、焊接残余应力以及焊接变形。

7·The technique using thermal tensioning and trailing intense cooling simultaneously to reduce welding distortion was investigated by both numerical simulation and experiments.

对温差拉伸和随焊激冷配合使用控制铝合金薄板焊接变形的联合工艺进行了数值模拟和试验研究。

8·Effectiveness of reducing welding distortion by trailing intensive cooling and the influence of heat - dissipating condition of the fixture on such effectiveness were studied.

研究了随焊激冷减小铝合金薄板焊接变形的效果及夹具的散热条件对该效果的影响。

9·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.

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。

10·The theory of residual plastic strain can be used to predict the distortion of simple components, and the reverse deformation is an effective method for controlling the welding distortion.

通过对实例的分析，表明对于简单构件的激光焊接，残余塑变理论可以用来预测变形，反变形法是控制焊接变形的有效方法。