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Accurate Welding Line Prediction in Extrusion Processes

机译：挤出过程中精确的焊接线预测

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In contrast to conventional extrusion processes, where a lot of research is done on in the welding quality, in composite extrusion, research is investigated into the welding line positioning. As a result of the process principle, the reinforcing elements are embedded into the longitudinal welding line. Hence, an undefined material flow inside the welding chamber induces reinforcement deflection, which can lead to reduced mechanical properties, as momentum of inertia. Therefore and to reduce costly experimental investigations, a new method of an automated numerical welding line prediction was developed. The results form HyperXtrude finite element calculations are used for special particle tracing simulations to predict the welding line in the profile cross section accurately. The procedures of segmentation and characteristic extraction are presented to approximate the welding line by cubic spline functions. The method was fully programmed in the Java program language, and works well for all HyperXtrude process models consisting of tetrahedral elements.
机译：与传统的挤出工艺相比，在焊接质量上进行大量研究，在复合挤出中，研究了研究进入焊接线定位。作为过程原理的结果，加强元件嵌入到纵向焊接线中。因此，焊接室内的未定义的材料流动诱导加强偏转，这可以导致机械性能降低，作为惯性的动量。因此，为了降低昂贵的实验研究，开发了一种自动数值焊接线预测的新方法。结果形成高轴的有限元计算的特殊粒子跟踪模拟，以准确地预测轮廓横截面中的焊接线。提出了分割和特征提取的程序以使焊接线近似立方样条函数。该方法在Java程序语言中完全编程，适用于由四面体元素组成的所有高速抑制过程模型。

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