Welding Techniques; Torch Movement During Welding - Linde BOC Smootharc Advance MIG 425R Operating Manual

11.7 Welding techniques

TIG Welding techniques
Welding Rod
Shield gas
15–30°
Direction of travel
The suggested electrode and welding rod angles for welding a bead on
plate are shown above. The same angles are used when making a butt
weld. The torch is held 60–75° from the metal surface. This is the same
as holding the torch 15–30° from the vertical.
Take special note that the rod is in the shielding gas during the
welding process.
Vertical
Nozzle
Tungsten electrode
BOC Smootharc Advance III MIG 225C & 255C Operating manual

11.8 Torch movement during welding

Tungsten Without Filler Rod
Welding
direction
60–75°
Form pool
Tilt torch
75°
Move torch to front of pool. Repeat.
75°
15°
Tungsten With Filler Rod
Welding
direction
Form pool
75°
75°
Tilt torch
75°
75°
15°
75°
Add filler metal
15°
75°
15°
Remove rod
Move torch to front of pool. Repeat.
39
75°
75°
75°
15°
75°
15°