Gun Switch Control Current; Argon Arc Welding Operation; Tig Welding （4T Operation - SanRex SANARG 180AP Operator's Manual

Adjustment knob of
current
Connected to the 8-lead aero
socket on the front panel
§4.3.2 Gun switch control current
§4.4 Argon Arc Welding Operation
§4.4.1 TIG welding （4T operation）
The start current and crater current can be pre-set. This function can compensate the
possible crater that appears at the beginning and end of the welding. Thus, 4T is suitable for the
welding of medium thickness plates.
Pulsed TIG long welding（4T） ：
Welding current (peak
current) setting value
Base current setting
Press and hold the
welding gun switch
Introduction：
welding
Gun switch
I( A)
Start
value
current
Striking success
t1 t2
0
OPERATION
Repress down the
switch
Loosen the
switch
t4 t5
t3
19
Adjustment knob of max welding
current
Adjust current button, when
it's pushed up, the current
increase, when it's pushed
down, the current decrease.
Loosen the
switch
Crater
current
Stop arc
t6
t7
t( s)