Om-2240 Page 60
10-3. Preparing Tungsten For AC Or 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
Grinding wheel should be dedi-
cated to grinding tungsten only.
4
Straight Ground
3
1
2
1
Arc Wander
2
Point
3
Grinding Wheel
Grinding wheel should be dedi-
cated to grinding tungsten only.
4
Radial Ground
2
1
4
Wrong Tungsten Preparation
−
Wandering Arc
4
Содержание DYNASTY 200 DX
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Страница 63: ...OM 2240 Page 57 SECTION 8 ELECTRICAL DIAGRAMS Figure 8 1 Circuit Diagram 209 602 D...