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首页> 外文会议>International Conference on Mechatronics System and Robots >On-machine Measurement and Compensation of Assembling Gap for 5-axis Friction Stir Welding based on 2D Laser Profilometer
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On-machine Measurement and Compensation of Assembling Gap for 5-axis Friction Stir Welding based on 2D Laser Profilometer

机译：基于二维激光轮廓仪的五轴搅拌摩擦焊装配间隙在线测量与补偿

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摘要

Gap width control is an important task for friction stir welding (FSW) since assembling gap width greatly influences the welding quality. A new efficient method with on-machine measurement (OMM) system based on 2D laser profilometer has been developed in this paper. The method is divided into three steps. Firstly, kinematics and calibration are analyzed to establish the transform relationship from laser sensor coordinate system to workpiece coordinate system (WCS). Then, width information is obtained by an automatic recognition algorithm. Lastly, compensation strategy based on measurement results is presented. Experiments have been performed to verify the efficiency of the proposed compensation method. The results prove that the method is efficient in improving the accuracy and uniformity of assembling gap width.
机译：间隙宽度的控制是搅拌摩擦焊（FSW）的重要任务，因为组装间隙宽度会极大地影响焊接质量。本文提出了一种基于二维激光轮廓仪的高效机上测量（OMM）系统。该方法分为三个步骤。首先，分析运动学和标定，建立从激光传感器坐标系到工件坐标系（WCS）的转换关系。然后，通过自动识别算法获得宽度信息。最后提出了基于测量结果的补偿策略。已经进行实验以验证所提出的补偿方法的效率。结果证明，该方法有效提高了装配间隙宽度的精度和均匀性。

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