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Seam-Tracking for Friction Stir Welded Lap Joints

机译:搅拌摩擦焊接搭接缝的接缝跟踪

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摘要

This article presents a method for automatic seam-tracking in friction stir welding (FSW) of lap joints. In this method, tracking is accomplished by weaving the FSW tool back-and-forth perpendicular to the direction of travel during welding and monitoring force and torque signals. Research demonstrates the ability of this method to automatically track weld seam positions. Additionally, tensile and S-bend test result comparisons demonstrate that weaving most likely does not reduce weld quality. Finally, benefits of this weave-based method to FSW of lap joints are discussed and methods for incorporating it into existing friction stir welding control algorithms (such as axial load control) are examined.
机译:本文提出了一种在搭接接头的搅拌摩擦焊(FSW)中自动跟踪接缝的方法。在此方法中,通过在焊接过程中垂直于行进方向前后编织FSW工具并监视力和扭矩信号来完成跟踪。研究表明,这种方法能够自动跟踪焊缝位置。此外,拉伸和S形弯曲测试结果的比较表明,编织很可能不会降低焊接质量。最后,讨论了这种基于编织的方法对搭接部FSW的好处,并研究了将其结合到现有的摩擦搅拌焊接控制算法(例如轴向载荷控制)中的方法。

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