Dec 26, 2024  
2024-2025 CNM Catalog, Volume 56 
    
2024-2025 CNM Catalog, Volume 56

WELD 1250 - Introduction to GTAW and Fabrication Lab

2 credit hour(s)
Prerequisite:   
Pre- or corequisite: WELD 1050 
Introduces Gas Tungsten Arc Welding (GTAW) safety, machine set up and shutdown procedures. Topics include personal protective equipment (PPE) GTAW uses, advantages and disadvantages, base metal prep, constant current (CC) power source, DCEP/DCEN polarity and AC current, tungsten types, prep and identification, types of filler metal, shielding gas uses and weld discontinuities and defects identification and corrective practices.  Lab exercises include flat and horizontal positions on carbon, aluminum and stainless steel. Emphasizes application of safety and gas tungsten arc welding (GTAW) on carbon steel. Fabrication and repairs are stressed. Customer billing techniques are introduced

Note(s):
  • Previously WELD 1592

Theory Hours: 15
Lab Hours: 45
Additional Lab Hours: 15