Description
Objectives
Learning Objective 1 • Identify aluminum-welding metallurgical considerations and the types of weld problems commonly encountered.
- Describe various aluminum alloys and their characteristics.
- Identify key characteristics of aluminum welding using GMAW.
- Describe the types of problems commonly encountered in aluminum welding.
Learning Objective 2 • Explain how to prepare for GMAW of aluminum plate and describe specific welding techniques.
- Identify common welding safety practices.
- Explain how to prepare the area and materials for GMAW practice.
- Describe how to prepare GMAW equipment for aluminum welding.
- Describe how to accomplish terminations and restarts and create basic GMAW weld beads.
- Describe how to make aluminum fillet welds in various positions. f. Describe how to make aluminum plate V-groove welds in various positions.
Performance Tasks
Performance Task 1 (Learning Objective 2) • Complete the following GMAW aluminum-plate welding tasks: – Stringer beads – Weave beads – Weld terminations – Weld restarts – Overlapping beads
Performance Task 2 (Learning Objective 2) • Complete GMAW fillet welds on aluminum plate in the following positions: – 1F – 2F – 3F – 4F
Performance Task 3 (Learning Objective 2) • Complete GMAW V-groove welds on aluminum plate with backing in the following positions: – 1G – 2G – 3G – 4G
