Section 9 − Guidelines For Tig Welding (Gtaw); Positioining The Torch; Torch Movement During Welding - Miller Electric MARK VIII-2 Owner's Manual

SECTION 9 − GUIDELINES FOR TIG WELDING (GTAW)

9-1. Positioining The Torch

10−15
5

9-2. Torch Movement During Welding

Tungsten Without Filler Rod
Welding direction
Form pool
Tungsten With Filler Rod
Welding direction
Form pool
OM-218 Page 30
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 8-1, and 8-2
or 8-3.
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