Portland Community College | Portland, Oregon

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

• Function safely in the PCC Welding Shop.
• Demonstrate professional work ethics (Habits)
• Operate oxyfuel 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 E7018electrode to code quality standards in the Overhead and Vertical positions

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.

Function safely in the PCC Welding Shop

• Understand and practice personal safety by using proper protective gear.
• Understand and practice hand tool safety and power tool safety
• Understand and practice equipment safety for welding and oxy fuel cutting systems.

  Science on Steel

  • Characteristics of E7018 Low-Hydrogen Electrodes compared to E7010
  • Why “Low-Hydrogen “ prevents Cracking in Welds
  • Advantages of E7018 Electrode for SMAW
  • Disadvantages of E7018 Electrodes for SMAW
  • Mechanical Properties of Weld Metal deposited by SMAW with E7018
  • Codes Requiring E7018 Low-Hydrogen Electrodes
  • Hydrogen Designators by AWS
  • Flux Composition of E7018 Electrode
  • Alloy Variations of E7018 Electrode
  • Iron Powder in E7018 Electrode
  • Baking of E7018 Electrodes
  • Arc Length and Arc Voltage
  • Arc Starting

  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 E7018 to code quality standards in the horizontal, vertical and overhead 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 E7018

    • Starting and stopping

    • Overlapping welds

    • Follow welding procedure

  Demonstrate correct welding techniques in the following joints:

  • Vertical Position:

    • Out side corner

    • Butt Joint

    • Single Bevel V-groove

  • Overhead Position:

    • T-Joint

    • Lap Joint

    • Out side Corner Joint

    • Butt Joint

  Demonstrate visual examination principles and practices

• 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 on Metal

• Calculating Fractional Tolerances
• Comparing Fractions