Gas Tungsten Arc Welding
1. Perform safety inspections of equipment and accessories.
2. Make minor external repairs to equipment and accessories.
3. Sets up for gas tungsten arc welding operations on plain carbon steel, aluminum, and stainless steel.
4. Operates gas tungsten arc welding equipment.
5. Make fillet welds, all positions, on plain carbon steel.
6. Make groove welds, all positions, on plain carbon steel.
7. Make 1F and 2F welds on aluminum.
8. Make 1G welds on aluminum.
9. Make 1F, 2F, and 3F welds on stainless steel.
10. Identify various tungstens and their uses/applications.
2. Make minor external repairs to equipment and accessories.
3. Sets up for gas tungsten arc welding operations on plain carbon steel, aluminum, and stainless steel.
4. Operates gas tungsten arc welding equipment.
5. Make fillet welds, all positions, on plain carbon steel.
6. Make groove welds, all positions, on plain carbon steel.
7. Make 1F and 2F welds on aluminum.
8. Make 1G welds on aluminum.
9. Make 1F, 2F, and 3F welds on stainless steel.
10. Identify various tungstens and their uses/applications.
Chapter Objectives
Chapter 15
1. Describe the GTAW welding process.
2. Explain why is tungsten the best choice as an electrode.
3. How is electrode erosion controlled.
4. Discuss different types of tungsten.
5. Explain tungsten electrode preparation.
6. Demonstrate proper tungsten electrode grinding.
7. Removing contaminents from the end of the tungsten.
8. Explain proper tungsten preparation for AC welding.
9. Discuss different types of GTAW torches.
10. Discuss proper setup for welding.
Chapter 16
Chapter 15
1. Describe the GTAW welding process.
2. Explain why is tungsten the best choice as an electrode.
3. How is electrode erosion controlled.
4. Discuss different types of tungsten.
5. Explain tungsten electrode preparation.
6. Demonstrate proper tungsten electrode grinding.
7. Removing contaminents from the end of the tungsten.
8. Explain proper tungsten preparation for AC welding.
9. Discuss different types of GTAW torches.
10. Discuss proper setup for welding.
- electrode size
- cup size
- shielding gas setting
- welding current selection
- preflow and postflow
Chapter 16