OM-189 116 Page 15
6-3.
Preparing Tungsten For DC Electrode Negative (DCEN) Welding
Ref. S-0161 / Ref. S-0162
1
Tungsten Electrode
2
Tapered End
Grind end of tungsten on fine grit,
hard abrasive wheel before weld-
ing. Do not use wheel for other jobs
or tungsten can become contami-
nated causing lower weld quality.
3
Ideal Tungsten Preparation – Stable Arc
2-1/2 Times
Electrode Diameter
1
2
1
Stable Arc
2
Flat
Diameter of this flat determines
amperage capacity.
3
Grinding Wheel
4
Straight Ground
3
1
2
1
Arc Wander
2
Point
3
Grinding Wheel
4
Radial Ground
2
1
4
Wrong Tungsten Preparation – Wandering Arc
4
Summary of Contents for Gold Seal 160 i
Page 23: ...OM 189 116 Page 19 Notes...
Page 26: ...Notes...
