17 Assignment: Understanding GMAW Procedures
The purpose of this assignment is to assess your understanding of GMAW procedures.
Task
Answer the following questions. Provide clear and concise responses.
- How does GMAW differ from GTAW?
- At what work angle should the welding gun be held for horizontal fillet welding?
- At what work angle should the welding gun be held for flat fillet welding?
- What determines whether a pulling or pushing technique should be used?
- What is the difference between spray transfer and globular transfer?
- Why is globular transfer ineffective for welding heavy-gauge metals?
- What is meant by short circuiting transfer? For what type of welding is this most effective?
- What is the probable cause for the formation of overlap in a weld?
- What should be done to prevent surface porosity in a weld?
- How can crater porosity or cracks be prevented?
- What should be done if weld penetration is insufficient?
Please refer to your course materials, lectures, and relevant resources to provide accurate and well-informed answers to the questions. If you encounter any difficulties or have questions, feel free to reach out to your instructor for clarification.
Criteria for Success
This assignment will be assessed based on the accuracy and depth of your responses, as well as your ability to apply knowledge of GMAW procedures to real-world scenarios. Demonstrating a solid understanding of GMAW concepts and practices will contribute to a higher grade.
