Course

31442380 Basic Gas Metal Arc Welding (GMAW)
Course Information
Description
Introductory course designed to provide the learner with a basic theoretical understanding of the Gas Metal Arc Welding process. Emphasis is placed on welding safety, equipment set-up/adjustment and developing manipulative skills using the Gas Metal Arc Welding Process. Welding skills are developed by performing a variety of weld joints in the flat and horizontal position on mild steel. Welding electrode identification, applications and shielding gasses are also addressed.
Total Credits
1
Course Competencies (Course Outcomes)
  1. Practice safety and good work habits when working with Gas Metal Arc Welding process
    Assessment Strategies
    through instructor observation
    by completing a written evaluation with a minimum score of 70%
    Criteria
    you demonstrate safety procedures
    you protect tools, equipment and manuals
    you maintain clean and organized work areas
    you demonstrate conservative use of shop supplies
    you work in a well-ventilated area with no potential for a build-up of gases
    you point the weld gun only in the direction of the intended weld
    you explore potential eye damage from ultraviolet and infrared radiation
    you examine minimum filter plate shade to prevent eye damage
    you examine protective clothing to prevent skin damage from ultraviolet and infrared radiation
    you investigate the prevention of respiratory damage from dangerous fumes and gases
    you explore the steps a welder takes to minimize the potential for electric shock

  2. Set-up the GMAW power source
    Assessment Strategies
    by setting up the GMAW power source per instructor's specifications
    Criteria
    you set power source for constant voltage output
    you adjust voltage setting for chosen electrode diameter and mode of metal transfer
    you adjust wire feed speed for chosen electrode diameter and desire amperage input
    you open shielding gas supply and adjust flowmeter for desired flow rate

  3. Create flat position stringer beads using a forehand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  4. Create flat position stringer beads using a backhand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  5. Create flat position square butt weld joints using a forehand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  6. Create flat position square butt weld joints using a backhand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  7. Create horizontal position fillet welds in the lap joint configuration using a forehand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  8. Create horizontal position fillet welds in the lap joint configuration using a backhand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  9. Create horizontal position fillet welds in the tee joint configuration using a forehand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  10. Create horizontal position fillet welds in the tee joint configuration using a backhand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  11. Create 3-pass horizontal position fillet weld in the tee joint configuration using a forehand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  12. Create 3-pass horizontal position fillet weld in the tee joint configuration using a backhand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  13. Create flat position outside corner joint fillet weld joint using a forehand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  14. Create flat position outside corner joint fillet weld joint using a backhand welding method
    Assessment Strategies
    by submitting completed weld assembly
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria

  15. Create an AWS groove weld with backing bar using either the forehand or backhand welding method
    Assessment Strategies
    by submitting completed weld assembly that passes a guided bend test
    Criteria
    weld assembly conform to established AWS D1.1 structural steel welding code visual inspection criteria
    weld assembly passes the root coupon guided bend test
    weld assembly passes the face coupon guided bend test