PATON
StandardMIG
MMA/TIG/MIG/MAG
-16 -
4. TUNGSTEN ARC INERT GAS WELDING (TIG)
Attention!
Shielding gas is most often pure argon “Ar”, sometimes helium “He”, as
well as their mixtures with different ratios.
EXCLUDE usage of combustible gases! Other gases can only be used upon
approval of the equipment manufacturer.
Procedure for machine preparation for operation:
‐ insert the torch cable into the source socket
B “–”
;
‐ insert the “mass” cable into the source socket
А “+”
;
‐ connect the “mass” cable to the work piece;
- install the pressure reducer on the gas bottle;
- connect the torch gas hose to the gas bottle pressure reducer;
- open the gas bottle valve, check the tightness;
‐ connect the mains plug to the supply mains;
‐ set power switch
14
on the rear panel to position “I”;
‐ set the TIG welding mode by pressing the button
6
; the modes switch over
end‐around;
‐ use buttons
1
to set the main parameter, which is welding current;
‐ if necessary, additional functions of welding process can be adjusted—see a
changeover sequence in Clause 6.1.
Attention!
The argon torch shall be a valve torch, with a bayonet connector
Ф9 mm. Select the maximum torch current depending on your operating
requirements.
Attention!
A common mistake is “needle‐like” electrode sharpening; in this case,
the arc may wag from side to side. A correctly sharpened electrode has slightly
blunted neg, and the smaller is the “butt” withstanding set current, the better.
ground
terminal
piece
argon
torch
argon
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