To distribute heat input uniformly

To reduce longitudinal distortion

To avoid slag inclusion effects

To prevent arc blow

Globular and short circuiting

short circuiting and spray

Spray and pulsed spray

Globular and pulsed spray

1000

18/5

5/18

0.001

12

30

24

15

Constant current power source

Variable current power source

Constant voltage power source

Variable voltage power source