Description
Objectives
Learning Objective 1 • Identify GTAW-related safety practices and describe the electrical characteristics that affect GTAW.
- Identify GTAW-related safety practices.
- Describe the electrical characteristics that affect GTAW.
Learning Objective 2 • Identify and describe GTAW equipment and consumables.
- Identify and describe GTAW welding machines.
- Identify and describe GTAW torches.
- Identify and describe GTAW torch nozzles and electrodes.
- Identify and describe GTAW shielding gases.
- Identify and describe GTAW filler metals.
Learning Objective 3 • Explain how to set up for GTAW welding.
- Explain how to select and position the welding machine.
- Explain how to connect and set up the shielding gas flow rate.
- Explain how to select and prepare the tungsten electrode.
- Explain how to select and install the nozzle along with the tungsten electrode.
Performance Tasks
Performance Task 1 (Learning Objective 2) Select a GTAW shielding gas.
Performance Task 2 (Learning Objective 2) Select a GTAW filler metal.
Performance Task 3 (Learning Objective 3) Connect the shielding gas and set the flow rate.
Performance Task 4 (Learning Objective 3) Select and prepare the tungsten electrode.
Performance Task 5 (Learning Objectives 2 and 3) Break down and reassemble a GTAW torch.
