STEALTH DIGI-TIG 180 DC PULSE PFC MV
4.3.2 TIG welding (2T operation)
Pulsed TIG short welding (2T)
MAINTENANCE AND TROUBLESHOOTING
18
l
t4
~
t5
:
Down slope time, adjustment rang of down slope time: 0~10S;
l
t5
~
t6
:
Crater current holds time; adjustment range of crater current: 5~100% of main current;
l
t6
:
Loosen the gun switch, stop arc, and keep on argon flowing;
l
t6
~
t7
:
Post flow time, adjustment range of post flow time: 0
~
10S;
l
t7
:
Electromagnetic valve is closed and stop argon flowing. Welding is finished.
§4.3.2 TIG welding (2T operation)
Pulsed TIG short welding
(
2T
):
t
(
s
)
0
I
(
A
)
Loosen the welding
gun switch
Press and hold the welding
gun switch
t1
t5
Striking success
Stop arc
t3
t4
Base current setting value
t2
Welding current (peak
current) setting value
5A
Introduction
:
l
0
:
Press and hold the gun switch, Electromagnetic gas valve is turned on. The
shielding gas starts to flow;
l
0
~
t1
:
Pre flow time, adjustment range of pre flow time : 0~2S;
l
t1
~
t2
:
Striking success, the output current slopes up to the setting current from minimum current
(5A); if the output pulse function is turned on, the slope up current is pulsed;
l
t2
~
t3
:
During the whole welding process, the gun switch is pressed and held without releasing;
Note: If the output pulse function is turned on, the output current is pulsed. If the output pulse
function is turned off, the output current is DC current;
l
t3
:
Loosen the gun switch, the output current slopes down; if the output pulse function is turned
on, the slope down current is pulsed;
l
t3
~
t4
:
The output current slopes down to minimum current (5A), stop arc; adjustment range of
down slope time: 0~10S;
l
t4
~
t5
:
Post flow time, adjustment range of post flow time: 0
~
10S;
Introduction
• 0
Press and hold the gun switch – electromagnetic gas valve is turned on.
The shielding gas starts to flow
•
0~t1 Pre flow time – adjustment range of pre flow time: 0~2S
•
t1~t2 Striking success – the output current slopes up to the setting current from
minimum current (5A). If the output pulse function is turned on, the slope
up current is pulsed
•
t2~t3 During the whole welding process, the gun switch is pressed and held
without releasing
Note: If the output pulse function is turned on, the output current is pulsed.
If the output pulse function is turned off, the output current is DC
•
t3
Loosen the gun switch – the output current slopes down. If the output pulse
function is turned on, the slope down current is pulsed
•
t3~t4 The output current slopes down to minimum current (5A) – stop arc.
Adjustment range of down slope time: 0~10S
•
t4~t5 Post flow time – adjustment range of post flow time: 0~10S
•
t5
Electromagnetic valve is closed – argon stops flowing and welding is complete
Short circuit protection function
1 TIG /LIFT If the tungesten electrode touches the workpiece when welding, the
current will drop to 5A which can greatly reduce the tungsten spoilage,
prolong the life of the tungsten electrode and prevent tungsten clipping
2 TIG /HF
If the tungesten electrode touches the workpiece when welding, the
current will drop to 0 within 1S which can greatly reduce the tungsten
spoilage, prolong the life of the tungsten electrode and prevent tungsten
clipping
19