Electron beam welding has significant keyhole effect, it induces the electron beam welding different from general melting, and also important influence on its welding stresses and distortion.

电子束焊接具有显著的小孔效应，这一特点决定着电子束焊接过程和普通熔化焊不同，并对其焊接应力和变形产生重要影响。

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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。

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This article discusses how to prevent and lessen welding distortion during welding producing from many aspect such as welding seam length and size, welding form, welding surface size, welding method.

论述在焊接生产中，如何防止和减少焊接变形，并在焊缝长短、焊缝大小、焊接形式、焊接面大小、焊接方法方面加以探索。

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