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Fundamentals of Gas Metal Arc Welding (GMAW/MIG)
Rating: 4.3 out of 5(14 ratings)
123 students

Fundamentals of Gas Metal Arc Welding (GMAW/MIG)

Bridging Theory and Practice: Unveiling the Core Concepts of Gas Metal Arc Welding (GMAW)
Created byRay Harkins, The Manufacturing Academy, Garry Pace
Last updated 5/2026
English

What you'll learn

  • A detailed overview of Gas Metal Arc Welding (GMAW) and a related process called Flux Core Arc Welding (FCAW)
  • How GMAW works ... the physics and chemistry behind this widely-used process
  • Modes of transfer and the electrical signals that produce them
  • GMAW equipment ... the gun, wire feeder, power source, cable, grounding clamp, etc.
  • All about shielding gas
  • GMAW filler metal classifications
  • Pre-weld and Post-weld procedures
  • Flux core electrodes ... their function, design, and types

Course content

1 section • 23 lectures • 3h 13m total length

  • Introduction to the Course5:48
  • Detailed Overview of GMAW, Pt 18:19
  • Detailed Overview of GMAW, Pt 28:06

    Learn how GMAW (MIG) welding uses shielding gas, electrical current, and wire feed to deposit weld metal, with argon/CO2 shielding, adjustable heat input, and streamlined, less-skill-intensive deposition without slag.

  • Principles of Operations, Pt 16:57
  • Principles of Operations, Pt 28:11

    Learn how GMAW/MIG uses wire feed speed to control current and voltage, and explore four transfer modes—short circuiting, globular, spray, and pulse spray—and their ideal applications.

  • Principles of Operations, Pt 310:42
  • Transfer Modes, Pt 16:26

    Explore gas metal arc welding transfer modes: short circuiting, globular, spray, and pulse spray, and how wire size, shielding gas, current, and voltage shape these processes.

  • Transfer Modes, Pt 26:12
  • GMAW Transfer Modes
  • GMAW Equipment, Pt 111:49

    Learn gas metal arc welding (GMAW/MIG) equipment, including power supplies, wire feeders, the welding gun, and the shielding gas system, to deposit weld metal while shielding the weld puddle.

  • GMAW Equipment, Pt 213:16
  • GMAW Equipment, Pt 313:16
  • Gun and Wire Feed Troubleshooting13:18

    Explore gas metal arc welding gun and wire feed troubleshooting, covering feed rolls, gun liner, contact tips, diffusers, nozzles, and shielding gas to prevent birds nesting and ensure clean welds.

  • Shielding Gases, Pt 19:38
  • Shielding Gases, Pt 27:28
  • Filler Metal Classification10:45
  • Pre-weld Preparation, Pt 16:06
  • Pre-weld Preparation, Pt 25:52
  • Post-Welding Procedures5:32
  • Flux Core Arc Welding, Pt 17:40
  • Flux Core Arc Welding, Pt 28:17
  • FCAW Electrodes12:38

    Explore flux cored arc welding electrodes, including self shielded and gas shielded forms, and contrast them with gas metal arc welding solid wires, noting ASME and AWS standards.

  • Conclusion to the Course2:32

    Conclude your learning by revisiting core terminology and concepts of gas metal arc welding, and leverage lifetime access to updates, with questions welcome on YouTube or the instructor page.

  • Bonus Lecture4:58

Requirements

  • Basic understanding of materials and manufacturing

Description

Welcome to the Udemy course titled, "Fundamentals of Gas Metal Arc Welding (GMAW)," a uniquely crafted online course that seamlessly blends theoretical knowledge with practical application. While welding is inherently a hands-on skill, this program goes beyond the traditional approach by providing in-depth information, ensuring you not only grasp the fundamentals but truly understand the underlying principles of Gas Metal Arc Welding.

Plus, this course is taught by metallurgist and licensed professional engineer, Garry Pace. Garry not only posses the technical training, but also has over two decades of hands-on experience in welding, welding instruction, weld design, and nondestructive testing.

From understanding the core principles to hands-on practice, we'll delve into the intricacies of GMAW, also known as MIG welding, exploring its applications across various materials and industries.

In this course, you will learn:

  • A detailed overview of Gas Metal Arc Welding (GMAW) and a related process called Flux Core Arc Welding (FCAW)

  • How GMAW works ... the physics and chemistry behind this widely-used process

  • Modes of transfer and the electrical signals that produce them

  • GMAW equipment ... the gun, wire feeder, power source, cable, grounding clamp, etc.

  • All about shielding gas

  • Filler metal classifications

  • Pre-weld and Post-weld procedures

  • Flux core electrodes ... their function, design, and types

  • And much more!

When you sign up for Fundamentals of Gas Metal Arc Welding (GMAW), you join an immersive journey where theory meets practice, empowering you to confidently navigate the complexities of GMAW and apply your knowledge to real-world welding scenarios. Plus, you get:

  • 3+ hours of high-quality discussion of GMAW/FCAW

  • Q&A access to the course instructors through the Udemy platform

  • A promise to respond to you question or comment in less than 48 hours.

  • LIFETIME ACCESS to the course materials

So sign up today to continue your learning journey with "Fundamentals of Gas Metal Arc Welding (GMAW)". See you in class!!

Who this course is for:

  • Welders, Welding Engineers, Weld Inspectors
  • Manufacturing Engineers, Industrial Engineers, Metallurgist
  • Quality Engineer, Quality Manager, Quality Technician, Lab Technician
  • Design Engineer, Process Engineer, Mechanical Engineer

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