Miller HF-251-2 Instrukcja obsługi - Strona 30
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SECTION 8 – GUIDELINES FOR TIG WELDING (GTAW)
8-1. Positioining The Torch
°
10–15
5
8-2. Torch Movement During Welding
Tungsten Without Filler Rod
Welding direction
Form pool
Tungsten With Filler Rod
Welding direction
Form pool
OM-611 Page 26
3
2
°
90
1
4
°
10–25
Remove rod
4
°
75
Tilt torch
°
°
75
15
Tilt torch
Move torch to front
of pool. Repeat process.
Y Weld current can damage
electronic parts in vehicles.
Disconnect
both
cables before welding on a
vehicle. Place work clamp as
close to the weld as possible.
1
Workpiece
Make sure workpiece is clean
before welding.
2
Work Clamp
Place as close to the weld as
possible.
3
Torch
4
Filler Rod (If Applicable)
5
Tungsten Electrode
Select and
prepare
according to Sections 7-1, and 7-2
or 7-3.
Tungsten extension is the distance
the tungsten extends out gas cup of
torch.
Arc length is the distance from the
tungsten to the workpiece.
As a general guide, start with an
extension and arc length equal to
diameter of tungsten.
Move torch to front
of pool. Repeat process.
Add filler metal
battery
tungsten
ST-161 892
ST-162 002-B