PCC/ CCOG / WLD

Course Content and Outcome Guide for WLD 111

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
Special Fee:
$24.00

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 PCC Welding 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 PCC Welding 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