20
In order for a better understanding of the descriptions of the welding parameters
reported, related to the TIG mode, when necessary to make reference to the trends
shown below:
I
0
, t
0
: start current, start time
I
1
: welding current
I
2
: background current
I
5
, t
5
: end current, end time
t
3
/t
2
x100: pulse balance
1/t
2
: pulse frequency
t
6
: post gas time
I
0
, t
0
: start current, start time
I
1
: welding current
I
3
: 2nd level current
I
2
: background current
I
5
, I
5
: end current, end time
t
3
/t
2
x100: pulse balance
1/t
2
: pulse frequency
t
6
: post gas time
Torch Button
Torch Button T.B.
13. TIG WELDING
TIG 2t mode with ramps
TIG 4t/4bi mode with ramps