Guidelines To Gas Tungsten Arc Welding (GTAW)

SECTION 1 - SAFETY1

SECTION 2 - THE TIG PROCESS2
2-1.What Is TIG2
2-2.GTAW (TIG) Connections 2
2-3.TIG Advantages 3
2-4.TIG Disadvantages 3
2-5.AC Sine Wave 4
2-6.Zero Crossover Area 4
2-7.Squarewave Imposed Over A Sinewave 5
2-8.Conventional Squarewave AC 5

SECTION 3 - ARC SHAPING CAPABILITIES 6
3-1.Arc Starting Methods 6
3-2.Balance Control 6
3-3.AC Frequency Adjustment Control 7
3-4.Amperage Adjust Control 7
3-5.Frequency Adjustment Control - 60 Hz8
3-6.Frequency Adjustment Control - 200 Hz8
3-7.Suggested Inverter Power Source Starting Parameters For Various Alumunium joints
3-8.Suggested Inverter Power Source Starting Parameters For Various

SECTION 4 - TUNGSTEN SELECTION AND PREPARATION11
4-1.Safety Information And Selecting Tungsten Electrodes 11
4-2.Selecting A Tungsten Electrode 11
4-3.Proper Tungsten Preparation 11
4-4.More About Tungsten Preparation 12
4-5.Tungsten Shape For AC Sine Wave & Conventional Squarewave 13
4-6.Tungsten Shape For Inverter AC & DC 13

SECTION 5 - TIG SHIELDING GASES 14
5-1.TIG Shielding Gases 14
5-2.Argon vs. Helium 14
5-3.Argon/Helium Mixes 15

SECTION 6 - GUIDELINES FOR GTAW WELDING (TIG) 16
6-1.Lift-Arc And HF TIG Start Procedures 16

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