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User manual
TUNGSTEN ELECTRODE WELDING WITH INERT GAS (TIG MODE)
CONNECTIONS AND RECOMMENDATIONS
• The TIG DC welding requires gas shield protection of pure gas (Argon).
• Connect the earth clamp to the positive connector (+). Connect the power cable to the negative plug (–), as well as the torch and the gas connections.
• Ensure that the torch is equipped and ready to weld, and that the consumables (Vice grip, ceramic gas nozzle, collet and collet body) are not da-
maged.
• The electrode choice depends on the TIG DC process current.
ELECTRODE GRINDING
For optimal operation, it is recommended to use a sharpened electrode as follows:
d
CHOICE OF ELECTRODE DIAMETER.
Electrode Ø (mm)
1
1.6
2
2.5
3.2
SELECT IGNITION MODE
TIG HF High Frequency start without contact.
TIG Lift contact ignition (for environments sensitive to HF disturbances).
1
2
1
2
Warning: Increasing the length of the torch or earth return cables beyond the maximum length specified by the manufacturer will increase the risk of
electric shock.
30
Translation of the original
instructions
L
TIG DC
Pure tungsten
Tungsten with oxides
10 > 75
10 > 75
60 > 150
60 > 150
75 > 180
100 > 200
130 > 230
170 > 250
160 > 310
225 > 330
Environ = 80 A per mm Ø
3
3
L = 3 x d for a low current.
L = d for a high current
1- Place the torch in the welding position above the part (distance of about 2-3 mm
between the electrode tip and the part).
2- Press the torch trigger (the arc starts without contact using High Frequency impul-
sions).
3- The initial welding current circulates, the welding carries on according to the
welding cycle.
1- Position the torch nozzle and electrode tip on the part and press the torch button.
2- Tilt the torch until a distance of about 2-3 mm separates the tip of the electrode
from the part. The arc starts.
3- Put the position back into position to start the welding cycle.
PROTIG 231L DC PFC
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