Description should include procedures for adhering to all safety requirements, industry recommended practices, and instructor guidelines related to
- storing, handling, and installing high-pressure gas cylinders
- setting up equipment and materials
- selecting the current
- selecting the shielding gas
- selecting the shielding gas flow rate
- selecting and preparing a tungsten electrode
- selecting the torch nozzle
- selecting the filler metal
- preparing the metal for welding
- starting the arc
- using welding techniques
- shutting down the equipment.
Process/Skill Questions:
- What are some methods for starting the arc when performing GTAW operations?
- What are the steps for preparing metal for GTAW operations?
- What resources are available to determine the appropriate current, polarity, shielding gas, shielding gas flow rate, tungsten electrode, torch nozzle, and filler metal?
- What is the shape of a properly prepared tungsten electrode?
- Why is GTAW considered to be the most precise welding operation?
- How are GMAW and GTAW similar? Different?