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CCOG for WLD 111 archive revision 201403

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Effective Term:
Summer 2014 through Winter 2016

Course Number:
WLD 111
Course Title:
Shielded Metal Arc Welding (E7024) and Oxy-acetylene Cutting
Credit Hours:
4
Lecture Hours:
0
Lecture/Lab Hours:
80
Lab Hours:
0

Course Description

Covers uses, safety, nomenclature, equipment operation, set-up and shutdown procedures and welding related math and science for S.M.A.W. and O.A.C. Department permission required. Audit available.

Addendum to Course Description

This is a outcome based course utilizing a lecture/lab format. This course includes classroom discussions, videotapes, and lab demonstrations technical skills.  Course outcomes will include; theoretical concepts, layout, fabrication, welding, oxyfuel cutting, safety and environmental awareness, communication, computations and human relations.

Intended Outcomes for the course

  • Function safely in the ±¬ÁÏÍøWelding Shop.
  • Demonstrate professional work ethics (Habits)
  • Apply math and science concepts to the welding related process
  • Operate oxy-acetylene portable and track cutting systems in accordance with industry standards
  • Interpret drawing and symbols to accurately layout a project; prepare and assemble to specified tolerances; and weld joints in accordance to AWS D1.1
  • Weld common joints with the E7024 electrode to code quality standards in the flat, and horizontal position

Outcome Assessment Strategies

The student will be assessed on his/her ability to demonstrate the development of course outcomes. The methods of assessment may include one or more of the following: oral or written examinations, quizzes, written assignments, visual inspection welding tests, safe work habits, task performance and work relations.     

Course Content (Themes, Concepts, Issues and Skills)

Function safely in the ±¬ÁÏÍøWelding Shop

  • Understand and practice personal safety by using proper protective gear
  • Understand and practice power tool safety
  • Understand and practice equipment safety for welding and oxy fuel cutting systems
  • Understand and maintain a safe work area
    • Recognize and report dangerous electrical and air/gas hose connections
    • Understand and practice fire prevention
  • Access and explain the importance Material Safety Data Sheets (MSDS)

Demonstrate professional work ethics (Habits)

  • Track training hours on time card
  • Perform projects in accordance to specifications and procedures
  • Follow directions in a positive manner
  • Manage time productively
  • Respects equipment and others
  • Demonstrate skill in problem solving and decision making

Apply math and science concepts to the welding related process

Math

  • Measuring with fractions
  • Reducing common fractions
  • Expressing common fractions in higher terms
  • Ability to read a tape measure

Science

  • SMAW with E7024 Electrode
  • As-Deposited Composition of E7024
  • Mechanical Properties of E7024
  • Operating Range for E7024
  • Fluxes for E7024 Electrode
  • Impact Toughness of E7024 Weld Metal
  • Arc Stability and Slag Removal
  • Arc Length for E7024
  • Possibility of Hydrogen-Assisted Cracking with E7024
  • Significance of the Volt-Ampere Curve for SMAW with E7024
  • Iron Powder Addition to E7024
  • Duty Cycle Calculation

Oxy-Acetylene Cutting

  • Chemical Reactions in Oxy-Acetylene Cutting Steel and Cast Iron
  • Oxy-Acetylene Cutting of Stainless Steel and Titanium

Operate oxy-acetylene portable and track cutting systems in accordance with industry standards

  • Demonstrate correct setup and shutdown procedures for the hand cutting and track cutting systems
  • Perform oxy fuel cutting with guided practice

Interpret drawing and symbols to accurately layout, prepare and assemble weld joints

  • Interpret lines, symbols and verbiage on project drawing
  • Layout material per drawing specifications
  • Use the oxyfuel cutting process to cut material to specified dimensions
  • Grind material to meet specifications
  • Assemble weld project per specification

Weld common joints with the E7024 to code quality standards in the flat, horizontal, positions

  • Use correct terminology.
    • Define terms used in the SMAW process.

  • Equipment identification, setup, shut down, and principles of operation for SMAW.
    • Power source identification and adjustment

    • Welding lead, connections, inspection, and use

    • Electrode identification characteristics and use

  • Know essential variables of SMAW by demonstrating the effects of the following variables: current,      travel speed, electrode angle and arc length.
  • Demonstrate correct welding techniques with the E7024
    • Starting and stopping

    • Overlapping welds

    • Follow welding procedure

  • Demonstrate correct welding techniques in the following joints:
    • Flat Position:

      • Bead Plate

      • T-Joint

      • Lap Joint

    • Horizontal Position:

      • T-Joint

      • Lap Joint

      • Out side Corner Joint

  • Demonstrate visual examination principles and practices