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FAB2050 Arc Welding 1

Intermediate · 1 credit · TMT - Trades, Manufacturing and Transportation

Description
Students develop basic knowledge, skills and attitudes related to the operation and use of Shielded Metal Arc Welding (SMAW) equipment and accessories to make a variety of welds in the flat position.
Prerequisite
FAB1050: Basic Electric Welding
Parameters
Access to a fabrication work centre, complete with SMAW equipment and supplies, and to instruction from an individual with formal, specialized training in arc welding practices.

Outcomes The student will:

  • 1 identify the appropriate treatment for minor injuries associated with welding processes

    • 1.1 demonstrate and describe the procedures for administering first aid for minor cuts, burns and bruises

    • 1.2 explain the effects of arc flash and the suggested treatment

    • 1.3 describe the effects of inadequate ventilation and the suggested treatment

  • 2 describe the visual characteristics of a desirable weld

    • 2.1 identify the attributes of a quality weld

    • 2.2 inspect a weld by considering the overall appearance, size and shape of the beads, plate penetration, fusion, undercutting and overlapping

  • 3 demonstrate basic SMAW competencies in the flat position

    • 3.1 demonstrate knowledge of the following electrical terms:

      • 3.1.1 direct current

      • 3.1.2 alternating current

      • 3.1.3 voltage

      • 3.1.4 amperage

      • 3.1.5 resistance

      • 3.1.6 polarity

      • 3.1.7 open circuit voltage and arc voltage

    • 3.2 compare the operation and current output produced by a:

      • 3.2.1 transformer

      • 3.2.2 rectifier

      • 3.2.3 generator

    • 3.3 explain the meaning of duty cycle

    • 3.4 describe the construction and sizing of cables

    • 3.5 compare the different types of electrode holders and maintenance requirements

    • 3.6 identify the types and uses of cable lugs, quick connectors and work clamps

    • 3.7 describe and demonstrate the accepted methods of striking an arc

    • 3.8 describe the difference between a stringer bead and a weave bead

    • 3.9 describe and demonstrate the proper tacking procedures and weld profile for a flat fillet weld

    • 3.10 adjust the equipment to coincide with the type of electrode, type of weld and metal thickness

    • 3.11 lay a consistent and even stringer bead and/or weave bead in the flat position

    • 3.12 run a series of stringer beads in the flat position to create a layer of weld metal

    • 3.13 make lap and square butt welds on mild steel plate in the flat position

  • 4 demonstrate basic competencies

    • 4.1 demonstrate fundamental skills to:

      • 4.1.1 communicate

      • 4.1.2 manage information

      • 4.1.3 use numbers

      • 4.1.4 think and solve problems

    • 4.2 demonstrate personal management skills to:

      • 4.2.1 demonstrate positive attitudes and behaviours

      • 4.2.2 be responsible

      • 4.2.3 be adaptable

      • 4.2.4 learn continuously

      • 4.2.5 work safely

    • 4.3 demonstrate teamwork skills to:

      • 4.3.1 work with others

      • 4.3.2 participate in projects and tasks

  • 5 identify possible life roles related to the skills and content of this cluster

    • 5.1 recognize and then analyze the opportunities and barriers in the immediate environment

    • 5.2 identify potential resources to minimize barriers and maximize opportunities

Program of Studies 2009. Source document, © Alberta Education.