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Guidelines for Gas Tungsten Arc Welding (GTAW)

TABLE OF CONTENT

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

3 – ARC SHAPING CAPABILITIES
3-1.Arc Starting Methods
3-2.Balance Control
3-3.AC Frequency Adjustment Control
3-4.Amperage Adjust Control
3-5.Frequency Adjustment Control – 60 Hz
3-6.Frequency Adjustment Control – 200 Hz
3-7.Suggested Inverter Power Source Starting Parameters For Various Aluminum Joints
3-8.Suggested Inverter Power Source Starting Parameters For Various Aluminum Joints (Continued)

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

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

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

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