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Translation of the original instructions
TIG PRO 201 AC/DC - TIG PRO 201L AC/DC
TIG AC WELDING
• TIG AC - Easy
This mode allows a quick use of AC welding by adjusting the electrode diameter (the selected value is indicated by the
different LEDs on the HMI). With this mode, "Balance" and "Frequency" settings parameters are unchangeable. The
choice of the electrode diameter affects the welding current and the scraping values as follows :
Electrode diameter
1,6 mm
2,4 mm
3,2 mm
4,0 mm
With this mode, the frequency value is related to the welding current value as follows :
Current (A)
Frequency (Hz)
De 10 à 40
117
De 41 à 90
100
De 91 à 140
79
De 141 à 170
70
De 171 à 200
60
When switching from "AC - Easy" to "AC" mode, the last welding parameters "AC - EASY" are retained and can be used
as a basis for further refinement in "AC" (e.g. : welding frequency and balance).
• TIG AC - Standard
This TIG AC - Standard welding mode is dedicated to welding aluminium and its alloys (Al, AlSi, AlMg, AlMg, AlMn...).
Alternating current (AC) includes a cleaning phase which is essential for aluminium welding.
The balance: It allows the part to be cleaned during welding. The balance: It allows the part to be cleaned during
welding.
The frequency: the frequency is used to adjust the concentration of the arc. A high frequency generates a concentrated
arc. A low frequency generates a wider arc.
High frequency
The TIG PRO 201 AC/DC and TIG PRO 201L AC/DC current-frequency characteristic: In AC, the value of the welding
current and its frequency are linked by the function below :
AC Current as a function
Current
Courant (A)
200
150
0
50
I
I
min
max
10 A
80 A
45 A
120 A
60 A
180 A
75 A
200 A
Low frequency
of Frequency
100
150
200
Penetration and cleaning
30 %
37 %
43 %
50 %
Up to 100 Hz it is possible to weld at
a welding current of 200 A. Between
100 Hz and 200 Hz, the maximum
value
decreases from 200 A to 150 A.
Fréquence (Hz)
Frequency
of
the
welding
current
EN
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