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stainless steel.
8mm for corner welding.
pieces (up to about 1mm) weld material is not needed
grease, solvents etc.
mode does not entail either tungsten inclusions in the weld pool or electrode wear and
Press the torch button, bringing the tip of the electrode close to the piece (2 -3mm),
the weld pool on the piece and proceed along the joint.
and the HF discharges are visible, do not insist for long in subjecting the electrode to
slope down setting.
tungsten inclusions and electrode wear to a minimum.
Place the tip of the electrode on the piece, using gentle pressure. Press the torch
as shown in
,
arc, a narrower weld pool and limited heating of the electrode. Lower values give a
The table
summarises the effects of parameter changes in AC welding.
The instructions for this welding procedure are also valid.
The table
suitable electrode is a pure tungsten electrode (green band).
-
during welding to the actual required heat transfer.
-
enough to allow the electrode and weld pool to cool at the end of welding without
coming into contact with the atmosphere (oxidation and contamination).
current value.
-
-
and the postgas phase will start.
-
pressure and release should be short) the current will change between the setting
1
current will be maintained until the button is released to terminate the welding
end
.
. To
- The welding current must be regulated according to the diameter of the electrode in
- The user must consider that, according to the electrode diameter, higher current
, after a few moments the
. The
s
.
s
. The
current
-
end
end
.
- At the end of these operations re-assemble the panels of the welding machine and
s
- After having carried out maintenance or repairs, restore the connections and wiring
.
2
. The
end
).
- 8 -
time has been reached (spot time).
and the most suitable current.
Electrode (mm)
1.6
2
2.5
3.2
4
5
6
behaviour) of the welding machine. The setting for this parameter can be made
either on the panel or using the remote control with 2 potentiometers.
to avoid overheating, bad gas diffusion and poor performance.
appropriate solvents.
for damage to the insulation.
screw the fastening screws right down.
25
.
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