Airworks Twister T40, Installation & Operation Manual

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10
Appendix A
Eye Filter Shades
Table A.1 Eye protection filter shade selection for welding or cutting (goggles or helmet).
Guideline only, consult shade manufacturer for more info.
Welding or Cutting Operation Electrode Size, Metal
Thickness, or Welding Current
Filter Shade Number
Torch soldering
Torch brazing
Oxygen cutting

Light

Medium

Heavy
Gas welding

Light

Medium

Heavy
Shielded metal-arc welding
(stick) electrodes
Gas metal-arc welding (MIG)

Non-ferrous base metal

Ferrous base metal
Gas tungsten arc welding (TIG)
Atomic hydrogen welding
Carbon arc welding
Plasma arc welding
Carbon arc air gouging

Light

Heavy
Plasma arc cutting

Light

Medium

Heavy
-
-
Under 1 in. (25mm)
1 to 6 in. (25-150mm)
Over 6 in. (150mm)
Under 1/8 in. (3mm)
1/8 to 1/2 in. (3-12mm)
Over 1/2 in. (12mm)
Under 5/32 in. (4mm)
5/32 to 1/4 in. (4-6.4mm)
Over 1/4 in. (6.4mm)
All
All
All
All
All
All
-
-
Under 300 amps.
300-400 amps.
Over 400 amps.
2
3 or 4
3 or 4
4 or 5
5 or 6
4 or 5
5 or 6
6 or 8
10
12
14
11
12
12
12
12
12
12
14
9
12
14
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Phone: 1-780-454-2263
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