Fronius AccuPocket 150/400 TIG, Руководство по эксплуатации

Страница: 43 / 88

3
Release torch trigger => end of welding
4-step mode See the section on page for details on how to activate 4-step mode.
I
t
I-1
GPr
I-S
I-E
I-2
GPo
I-1
t
down
t
e
t
s
1 2 3 4 5 6 7
t
up
4-step mode with intermediate lowering I-2
Intermediate lowering means that the welder uses the torch trigger during the
main current phase to lower the welding current to the specified reduced current
I-2.
1
Place the tungsten electrode onto the workpiece and then pull the torch trig-
ger back and hold => shielding gas flows
2
Raise the tungsten electrode => start of welding with starting current I-S
3
Release torch trigger => welding with main current I-1
4
Push forward and hold the torch trigger => activation of intermediate lower-
ing with reduced current I-2
5
Release torch trigger => welding with main current I-1
6
Pull back and hold the torch trigger => lowering to final current I-E
7
Release torch trigger => end of welding
43
EN