焊接机器人焊缝跟踪技术的现状与发展趋势

The State-of-the-art and Developing Trends of Weld Seam Tracking Technology of Welding Robot

焊接机器人因其高效性在先进制造业中应用广泛,焊缝跟踪的精度和实时性是评价焊接质量的重要指标。焊缝跟踪以传感技术为基础,可实现焊缝的起止点和边缘检测、焊缝宽度测量等,传感器在机器人焊接过程中作用重大。详细分析和综述了机器人焊接过程中用于焊缝跟踪的各类传感器及其技术特点,系统地总结了其应用现状,并对焊缝跟踪技术的发展趋势进行了分析与展望,指出其未来的研究方向。

Welding robots are widely used in advanced manufacturing industry owning to their high efficiency, the accuracy and real-time of seam tracking are the two key indicators to evaluate welding quality. The seam tracking technology is based on sensors so that the weld starting and end points, weld edges and width can be detected, thus sensors play a major role in robotic welding. Different sensors and their technical characteristics used in seam tracking during robotic welding were discussed in detail, and their application status was also systematically summarized. The future research direction, the development trend of seam tracking technology was analyzed and expected.