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Gas Tungsten Arc Welding  (GTAW / TIG)
  • Background, advantages & disadvantages

  • Polarity, AC balance & AC frequency 

  • Techniques & shielding gasses used

  • Torch amptrols vs. foot pedal

  • Process variables, troubleshooting

  • Welding an aluminum lap joint

Minimum time requirement:  2 hours.  (20% classroom, 80% shop)

Application activities in the classroom as well as the shop.

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Example of pages included in the Student/Reference Manual

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