GYS TITANIUM 400 AC/DC Manual De Usuario página 39

TIG AC WELDING
TIG AC - Standard
This TIG AC - Standard welding mode is dedicated to welding aluminium and its alloys (Al, AlSi, AlMg, AlMg, AlMn...). Alternating current allows the
pickling of aluminium essential for welding.
Settings Designation
Pre-gas
Starting current
Starting time
Rising current
Welding current
Downslope
End current
End duration
Post-gas
AC wave shape
Welding frequency
Percentage of
pickling
The Balance (%T_AC):
during the positive wave, the oxidation is broken. During the negative wave, the electrode cools and the parts are welded, there is penetration. By
modifying the ratio between 2 alternatives through the balance adjustment, you choose either cleaning or penetration (the default value is 30%).
20%: Max. penetration
The frequency (AC Hz):
the frequency allows you to adjust the concentration of the arc. The higher the frequency, the more concentrated the arc. The lower the frequency
the wider the arc will be.
High Low
TITANIUM 400 AC/DC
Adjustable
settings
0 - 60 sec. Time to purge the torch and to protect the area with gas before ignition
10 - 200 %
This starting bearing current is a phase before the current rise ramp.
0 - 10 sec.
0 - 60 sec. Current rise ramp.
3 - 400 A Welding current.
0 - 60 sec. Downslope current.
10 - 200%
This stopping stop current is a phase after the current descent ramp.
0 - 10 sec.
Duration for which gas is released after the arc has stopped. It protects the weld pool
0 - 60 sec.
and the electrode against oxidisation when the metal is cooling down.
AC waveform.
20 - 300 Hz Frequency of polarity reversals welding - pickling
20 - 60 % Percentage of the welding period dedicated to pickling (default 30-35%)
50%
Description & advice
60%: Max. pickling
EN
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