GYS TIG 250 AC/DC Mode D'emploi page 23

Indicator of the
place of the positive
polarity
HF ignition HF
Lift ignition LIFT
Pre-gas Pre-gas
Starting current Starting current
Inital time Starting current
Up slope current Upslope
Cold current (4TLog) I cold
Cold current I cold
Pulse balance Pulse duration
PULSE Frequency Pulse frequency
Down slope current Downslope
Ending current End current
Ending time End duration
Post gas Post gas
Penetration and clea-
AC balance
ning (%)
AC frequency AC frequency
AC time T AC
DC time T DC
Spot time Welding duration
TACK time T Pulse
Electrode diameter Ø
Fe, CrNi, Cu/CuZn,
Metal to weld
AlMg, AlSi, Al99
Lap welding
Butt welding
Fillet welding
Vertical down weld
Thickness of the
workpiece
MMA process MMA
TIG AC process AC
TACK mode TACK
TIG AC MIX mode AC MIX
TIG 250 AC/DC
X POSITIVE polarity (+).
X X Arc ignition without contact
X X Arc ignition with contact
X X Time to purge the torch and to protect the area with gas before ignition
X X Pre current (A)
X X Pre current duration (S)
X X Minimum current to welding current (upslope phase) duration (S)
Background welding current or cold current activated with a double button
X X
torch or in 4T LOG (A)
X X Base current or cold current in PULSE mode (A)
X X Base current or cold current balance in PULSE mode (%)
X X PULSATION frequency of the PULSE mode (Hz)
Welding current to minimum current (downslope phase) duration, I Stop (S)
X X
to avoid weld defects and craters.
X X Pre current (A)
X X Pre current duration (S)
Duration for which gas is released after the arc has stopped. It protects the
X X
weld pool and the electrode against oxidisation when the metal is cooling (S).
X Wave balance control of penetration and cleaning (%)
X AC welding frequency (Hz)
X AC welding duration in AC MIX (S)
X DC welding duration in AC MIX (S)
X X Spot time (s)
X Spot pulse duration (s)
Recommended diameter of the tungsten electrode to optimise the arc igni-
X X
tion in SYNERGIC mode (mm)
Selction of the metal to weld: Steel, Nickel-Chromium, Cusi or brass, Alumi-
X X
nium-Magnesium, Aluminium-Silicon in SYNERGIC mode
X X SYNERGIC Mode.
X X SYNERGIC Mode.
X X SYNERGIC Mode.
X X SYNERGIC Mode.
X X Thickness adjustment of the workpiece in SYNERGIC mode
X
X
X
X
EN
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