GYS NEOFEED 4W Mode D'emploi page 41

Settings Designation
Pre-gas
Welding current
Pulse duration
Pulse frequency
Non-pulsed duration
Post-gas
Access to some welding parameters depends on the selected display mode: Settings/User Level: Easy, Expert, Advanced.
• Welding in E.TIG mode
This mode allows constant power welding by measuring arc length variations in real time to ensure constant bead width and penetration. In case the
assembly requires the welding power to be controlled, the E.TIG mode can be used as it is designed to ensure that the welding power remains the
same regardless of the position of the torch.
Standard (constant current)
2 mm
D
TRIGGER FUNCTIONS
2T MODE
t
t
Main button
T1
Main button
T1
4T MODE
t
t
Main button
T1 T2
Main button
T1 T2
t
t
Main button
T1 T2
Main button
T1 T2
NEOFEED 4W
Adjustable
settings
0 - 60 secs. Torch purge time and to protect the area with gas before ignition
5 - Imax Welding current.
, 0 - 60
Pulsation phase controlled manually or for a defined duration
secs.
0.1 - 2500 Hz Pulse frequency
, 0 - 60 Smooth current phase controlled manually or for a defined duration
secs.
Duration for which gas is released after the arc has stopped. It protects the weld pool
0 - 60 secs.
and the electrode against oxidisation when the metal is cooling down.
5 mm
D D
t
t
T2
T2
t
t
T4
T3
T4
T3
<0.5s <0.5s >0.5s
<0.5s <0.5s >0.5s
t
t
T4
T3
T4
T3
Description & advice
10 mm
5 mm
D
T1 - The main button is pressed, the welding cycle starts (PreGas,
I_Start, UpSlope and welding).
T2 - The main button is released, the welding cycle is stopped
(DownSlope, I_Stop, PostGas).
For the double button torch and in 2T mode only, the secondary
button works like the main button.
T1 - The main button is pressed, the cycle starts at PreGas and
stops in the I_Start phase.
T2 - The main button is released, the cycle continues in UpSlope
and in welding.
T3 - The main button is pressed, the cycle switches to DownSlope
and stops in I_Stop.
T4 - The main button is released, the cycle ends with PostGas.
Nb : for torches, double button and double button with potentiome-
ter
=> command « up/welding current » and active potentiometer,
command «low » inactive.
E-TIG (constant power)
2 mm
D
EN
10 mm
D
41