In pulsed GTAW with wire filler,the variation of the weld pool shape could be observed from the weld pool image,such as the pool width,length,rear angles,surface height,etc.

• 在填丝脉冲GTAW过程中,从熔池图像上可以观察到熔池形状的变化,如宽度、长度、后拖角和表面高度等。熟练焊工可以根据变化的情况实时地调整焊接规范,保证焊缝成形稳定。