Control the weld-line movement in the hydro-forming.
3.充液拉深中焊缝移动的控制。
参考来源 - 差厚拼焊板方盒形件充液拉深中焊缝移动的研究The material flow along the tangent of male die surface is inhibited, which reduces the weld movement and possibility of fracture. Finally, blank flat deformed accord to the shape of male die.
它阻止了板料沿凸模型面切线方向流动,这就大大减小了拼焊板料在变形过程中的焊缝移动量和开裂的可能性,最终将板坯完全按凸模形状成形。
参考来源 - 拼焊板盒形件充液拉深模拟研究The geometry characters and the difference in stress and strain states between thinner and thicker tubes were studied to reveal the plastic deformation during TWT tube hydroforming. The weld-seam movement and the thickness distribution were also deeply investigated.
本文研究了差厚拼焊管内高压成形的塑性变形规律,给出了成形过程中不同厚度管材的变形特征及应力应变状态,揭示了差厚拼焊管成形的焊缝移动规律及壁厚分布规律。
参考来源 - 差厚拼焊管内高压成形规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
分析了拉深筋的设置对激光拼焊板成型时焊缝移动的影响。
In this paper, the influence of the draw rib setting on the welded seam movement for the tailor-welded blanks (TWBs) was analyzed.
通过对盒形件拉深过程的应力分析，得到了焊缝移动规律。
The regularity of the weld bead displacement is deduced by analysing the stress of the square cup stamping.
通过以上研究，得到了板厚比、焊缝位置和曲线焊缝半径对于拼焊板成形高度以及焊缝移动量的模型和规律性，为工程设计提供了参考依据。
With the FEM modeling for the curved weld line TWBs, the paper makes the comparison of linear and nonlinear weld line TWBs, which can help to offer the reference for the engineering application.
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