gala gar GALA 1700 G.E. TIG PULSE Manuel Technique D'instructions page 19

3.5 WELDING BY TIG PROCEDURE. 2 STROKE MODE.
3.5.1 SOFT STRIKING (LIFT ARC)
Arc-striking without the need for high frequency. It allows arc-striking while establishing low currents when the
electrode touches the piece, thus avoiding contamination of the piece and the electrode.
GAS
Torch
1T↓
3.5.2 HIGH FREQUENCY STRIKING
This permits striking without contact using a high frequency voltage.
GAS
HF
Torch
1T↓
3.6 WELDING BY TIG PROCEDURE. 4 STROKE MODE.
In both modalities the striking is carried out by high frequency.
3.6.1 STANDARD 4-STROKE MODE
GAS
HF
Torch
1T↓ 2T↑
GALA G.E. TIG PULSE
MODO 2T CEBADO SUAVE
2T↑
MODO 2T HF
2T↑
MODO 4T HF
3T↓
•
Place the torch at a distance of 3 to 5 mm from the
part.
•
Apply the pushbutton. Start current is established
• During the time established
Post gas
until the desired one is attained
•
When released the current drops during time
it reaches current
•
The post-flow remains.
•
Place the torch at a distance of 3 to 5 mm from the
part.
• Apply the pushbutton. Start current is established
.
Post gas
•
During the time established
increases until the desired one is attained
•
When released the current drops during time
until it reaches current
on.
•
The post-flow remains.
•
Place the torch at a distance of 3 to 5 mm from
the part.
• Apply the pushbutton. Start current is established
.
pressed.
Post g
• When the pushbutton is released, during the time
established
desired one is attained
•
When pressed again, the current drops during
time
remains until the torch is pressed.
•
When released the arc goes out and the post-
4T↑
flow remains.
, the current increases
. At that time the arc goes on.
. At that time the arc goes
This current remains until the torch is
, the current increases until the
.
until it reaches current
19
.
.
until
, the current
.
. This current