GYS PROTIG 201 DC FV Manual De Instrucciones página 28

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Operating manual
TIG DC - Pulse
This pulsed current welding mode is a combination of high current pulses (I, welding pulse) and low current pulses (I_Cold, part cooling pulse). This
pulse mode allows to assemble pieces while keeping the machine cool.
Example :
The welding current I is set to a 100A and % (I_cold) = 50%, thus a Cold current of = 50% x 100A = 50A. F(Hz) is set to 2 Hz, the signal period will
be 1/2Hz = 500 ms. Every 250ms, a 100A pulse then a 50A pulse will succeed each other.
Recommendations:
Choice of frequency:
• If welding with manual filler metal, then F(Hz) synchronised to the filler metal action,
• If thin without filler (< 0.8 mm), F(Hz) >> 10Hz
The pulse frequency is adjusted by pressing and releasing the «F(Hz)» button and then activating the main incremental encoder. Frequency value
increases when the incremental encoder is operated clockwise and decreases when it is operated anti-clockwise. Once the setting is set, it is possible
to press and release again the «F(Hz)» button to re-link the main incremental encoder to the current setting or to wait 2 seconds.
Designation
Pre-gas
Rising current
Welding current
Cold current/Background current)
Pulse frequency
Evacuation
Post-gas
TIG - Advanced menu
Additional settings can be accessed in the advanced menu.
These advanced settings can be accessed by pressing the button
advanced settings:
Parameter
Description
Current threshold when
« ISa »
starting the weld.
Time threshold when
« tSa »
starting the weld.
Current threshold when
« ISo »
the weld stops.
Time threshold when the
« tSo »
weld stops.
« dcy »
Duty Cycle
The parameter to be modified is validated by pressing the button
28
Translation of the original
instructions
Pulse TIG DC
The grey areas are not useful for this mode.
Setting
Description & advice
0 - 60 s
Time to purge the torch and to protect the area with gas before ignition
0 - 60 s
Current rise ramp.
10 - 200 A
Welding current
20 - 99 %
Second welding current known as «cold» welding current
0.1 - 2000 Hz
Pulse frequency
0 - 60 s
Down slope current.
Duration for which gas is released after the arc has stopped. It protects the weld pool and
0 - 60 s
the electrode against oxidisation when the metal is cooling down.
Setting
Standard
10 % - 200 %
0 s - 10 s
10 % - 100 %
0 s - 10 s
20 % - 80 %
for more than 3 seconds. Rotating the wheel gives access to the following
Pulse
Recommendations
This current threshold is a phase before the current upslope.
This current threshold is a phase before the current upslope.
Time balance of the hot current (I) of the pulsation
. The advanced settings menu can be exited with «ESC».
PROTIG 201 DC FV

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