WLD262 — Gas Tungsten Arc Welding
6 , 4 lecture periods 4 lab periods Procedures and techniques in the Gas Tungsten Arc Welding (GTAW) process. Includes health, safety, and environmental practices; welding terminology, GTAW process and equipment, equipment operation and techniques. Also includes power source types and controls, welding currents and polarities, tungsten electrodes, shielding gases, mild steel welding, aluminum welding, stainless steel welding, and GTAW certification. Demonstrate mild steel welding. Demonstrate aluminum welding. Demonstrate stainless steel welding. Outline: Health, Safety, and Environmental Practices Eye Protection Protective clothing Equipment handling Safety features to GTAW process Occupational Safety and Health Administration (OSHA) regulations Welding Terminology Dictionary of welding terms Applications GTAW Process and Equipment Process of operation GTAW parameters and variables Power sources Types of foot pedals Welding torches Gas regulators Equipment Operation and Techniques Assembly of the GTAW equipment Starting the arc Torch angles Oscillating the torch Adding the filler rod Speed of travel Power Source Types and Controls Types of power sources Manual power source controls on panel Polarity control Amperage control Welding Currents and Polarities Types of welding currents and their uses Types of polarities in the current and their uses Tungsten Electrodes Types and sizes of tungsten electrodes used in welding projects Care of the tungsten electrode Shielding Gases T
Prerequisites: WLD110