voestalpine Bohler Welding WF NX 3000 Classic Manuel D'instructions page 98

WELDING THEORY
EN
Steel TIG welding
Preparing the edges
Choosing and preparing the electrode
Filler metal
Shielding gas
Welding current
30 A
60÷90 A
90÷120 A
Copper TIG welding
D.C.R.P. (Direct Current Reverse Polarity)
D.C.S.P.-Pulsed (Direct Current Straight Polarity Pulsed)
Ø electrode Gas nozzle n°
0÷30 mm 4/5
30÷120 mm 4/5/6
120÷250 mm 6/7
Ø electrode
1.0 mm
1.6 mm
2.4 mm
°
30
60÷90
90÷120
Gas nozzle
6/8.0 mm
6.5/8.0/9.5 mm
9.5/11.0 mm
94
Current range
15÷75 A
60÷150 A
130÷240 A
Current range
0÷30 A
30÷120 A
120÷250 A
Argon flux