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介绍了一种采用电磁传感器的新型弧焊自动跟踪系统。该系统采用电磁双重耦合电路克服工件错过造成的干扰。可以实现双向跟踪．即沿焊缝水平、垂直两个方向同时控制焊炬的位置。
A new arc welding automatic tracking system using electromagnetic sensors is introduced. The system uses electromagnetic double coupling circuit to overcome the interference caused by the workpiece missing. Can achieve two-way tracking. That is, along the weld seam horizontal and vertical control of the torch position in both directions.