For welding the extra thick plate of low alloy high strength steel, due to the influence of welding stress, it relatively difficulty for controlling the defect and deformation.
低合金高强钢特厚板的焊接，由于焊接应力的影响，在控制缺陷和变形方面都比较困难。
The research of three dimensional numerical simulation of welding process on thick plate has been conducted.
采用厚板试件对焊接过程的三维数值模拟进行了初步研究。
With independent regulation of the arc starting, welding, and arc ending current, and the arc ending time, it has good effects in welding of both thick and thin metal plate.
具有起始、焊接、收弧电流分别调节，焊接厚、薄板都具有良好的效果。
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