关键词： J 型坡口；多轴控制系统；焊接变形控制 [gap=1097]Key words：J type groove；multi-axle control system；welding distortion control
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The effects of distortion control in welding thin aluminum alloy plates by two kinds of thermal tensioning were investigated.
对两种形式的温差拉伸控制铝合金薄板焊接残余变形的效果和规律进行了研究。
Therefore, optimizing welding parameters was a valid means to minish and control welding residual stress and distortion.
因此，优化焊接工艺参数是减小、控制焊接残余变形和残余应力一种有效手段。
New idea to control welding residual stress and distortion with trailing impactive electromagnetic force was given.
提出了基于脉冲电磁力随焊控制焊接应力及变形新方法。
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