GMAW – Aluminum Plate – Module ID 29401-16

GMAW – Aluminum Plate – Module ID 29401-16

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Module One (29401-16) presents gas metal arc welding (GMAW)—one of the more common welding processes now used. As with most welding systems, GMAW equipment is available in many different sizes and varieties. However, the basic operating principles of GMAW apply to all makes and models of equipment. This module describes how GMAW equipment is used to weld aluminum plate and examines different techniques used to produce fillet and V-groove plate welds in aluminum base metals.

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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

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