Gas Metal Arc Welding (GMAW)

Learning objectives

  • Explain the principles of operation behind gas metal arc welding (GMAW)
  • Describe the design and function of each of the following components:
    • GMAW wire feeders
    • GMAW electrode wires
    • GMAW guns
  • List the shielding gases that can be used during GMAW
  • Explain how to start an arc when performing GMAW
  • Describe the four main methods of metal transfer associated with GMAW

Course overview

When you complete this lesson, you will be able to describe gas metal arc welding (GMAW) methods. In addition, you will be able to discuss the design and function of components used in the GMAW process.

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