国产一卡二卡在线播放,日韩欧美中文字幕一区二区,欧美成人精品一区二区三区在线观看,亚洲日韩精品欧美一区二区一,欧美日韩看片,一区二区三区中文,二区三区视频

Work principle:

1) Two H-shaped steels are placed at  45-degree boat-shaped welding position on the workpiece holder which inside the guide rail ;

2) The gantry walks on the guide track at the adjusted welding speed;

3) Two sets of submerged arc welding are used to weld two weld seams simultaneously;

4) The arc guide frame is used to automatically track the weld seam;

5) Adopt automatic flux delivery and recovery system.