Fundamental:

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

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

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

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

5) Adopt automatic flux delivery and recovery system.