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3.4 WELDING BY TIG PROCEDURE.
In TIG welding we must only use straight polarity, placing the welding torch in the negative pole. In addition, in
the installation, we must place a gas bottle O, (normally Argon), which we will connect to the machine through
pressure regulator N as seen in the figure below.
In TIG welding it is possible to set the following parameters related to the current:
Welding current
(A) (I
Down ramp (s)
(t
)
dws
Crater current
(A)
(I
)
e
Start current (5- I
A)
(I
2
s
Up ramp (0- 10 s)
(t
)
ups
Second current level (5- 160/200 A)
Basic current A. Pulsed ( A)
Pulse frequency (Hz)
Duty cycle (20-80 %)
Remote control.
Pre- Flow ; Post-flow (s)
N- NEGATIVE POLE. TIG WELDING TORCH.
P- WELDING EARTH CLAMP.
O-TORCH GAS OUTPUT.
M- CONTROL CONNECTOR. (TORCH)
L- GAS INTAKE. (GAS BOTTLE)
)
2
)
It regulates between the value assigned to start current
GALA G.E. TIG PULSE
5 – 160 / 5 - 200
5 – 160 / 5 - 200
The maximum value is limited to I
5 – 160 / 5 - 200
The maximum value is limited to I
Not available
5 – 160 / 5 - 200
The maximum value is limited to I
proportionally with it. (Section 3.5)
0.1 - 500
20 - 80
0.1 – 5.0 s ; 0.1 – 10.0 s
0 - 10
(
2
(
2
0 - 10
(
) and varies
2
current value
(I
)
2
18
)
)
5 – 160 / 5 - 200
Not available
Not available
Not available
(I
) and the welding
s
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