If it cannot be remedied, the weld should be polished and removed, the groove should be re-polished, PT inspection should be carried out, and cleaning should be carried out after the inspection is completed.
Re-welding, assembly spot welding control interval of 2~3mm, argon protection inside the weldment, reducing welding current and improving welding speed. You feed the wire a little faster, and the welding speed is uneven. 6mm pipe should be welded 2~3 times.
Look at the marble floor where you took pictures. Definitely not in the production workshop, not a major. . . Is the locator definitely missing?
Find two benches, spot weld the nozzle and elbow and put them on the benches. It will be easier to weld by one person and turn the pipe by one person.
Your current welding technology can't weld all the positions yet.
If you really can't handle it, and it's in Pudong, Shanghai or Rugao Port, Nantong, you can come to our company and I'll find someone to help you handle it. There are many welding technicians of Grade 8 in Sensong Company. ...