Welding holder
electrode
workpiece
DC POSITIVE CONNECTION
Argon gas
Gas hose
cyclinder
Ar
⚫
⚫
Shield gas
input joint
pipe
DC POSITIVE CONNECTIO N
13
DC NEGATIVE CONNECTION
Shield gas
Negative
connector
Welding cable
torch
workpiece
Welding holder
electrode
workpiece
output
Aero
socket
Positive
output
Control cable of
torch switch
Return current
cable
