Portland Community College | Portland, Oregon

Course Number:
WLD 141
Course Title:
Flux-Cored Arc Welding I (Gas Shielded)
Credit Hours:
4
Lecture Hours:
0
Lecture/Lab Hours:
80
Lab Hours:
0
Special Fee:
$24.00

Course Description

Develops knowledge and skills in the gas shielded flux-cored arc welding process in the flat, vertical, horizontal and overhead positions. Prerequisites: Department permission required. Audit available.

Addendum to Course Description

This is an outcome based course utilizing a lecture/lab format. This course includes classroom

discussions, videos, and lab demonstrations of technical skills.  Course outcomes will include:

theoretical concepts, lay out, fabrication, welding, oxy-fuel cutting and safety.

Intended Outcomes for the course

Upon completion of the course students will be able to:

  • Function safely in the PCC Welding Lab.
  • Operate oxy-fuel portable and track cutting systems in accordance with industry standards.
  • Understand and apply code requirements for FCAW E71T-1.
  • Interpret blueprints to accurately lay out, prepare, and assemble weld joints.
  • Weld single V-groove welds with E71T-1 to AWS D1.1 Structural Steel Welding Code.
  • Operate an CAC-A (Carbon Arc Cutting - Air) system in accordance with industry standards.
  • Apply visual and destructive examination principles and practices in accordance with AWS D1.1.

Course Activities and Design

This is a outcome-based course utilizing a lecture/lab format. This course includes classroom discussions, videos, and lab demonstrations covering technical skills. Course outcomes will include the following: theoretical concepts, layout, fabrication, welding, oxyfuel cutting, safety.

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 and task performance.

Course Content (Themes, Concepts, Issues and Skills)

Function safely in the PCC Welding Lab.

  • 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

Operate oxy-fuel 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.

Understand and apply code requirements for FCAW E71T-1.

  • Demonstrate proper stick out and travel speed
  • Demonstrate correct starting, stopping and restarting techniques
  • Demonstrate proper bead placement for single V-groove welds

Interpret blueprints to accurately lay out, prepare, and assemble weld joints.

  • Interpret  lines, symbols, views and notes
  • Lay out material per specifications
  • Use the oxy-fuel cutting process to cut material to specified dimensions
  • Assemble project per welding procedure specifications (WPS)

Weld single V-groove welds with E71T-1 to AWS D1.1 Structural Steel Welding Code in the following joint configurations and positions:

Demonstrate correct welding techniques in the following joints:

  • Flat Position:
    • T-Joint
  • Horizontal Position:
    • T-Joint
    • Single v groove
  • Vertical Position:
    • T-Joint
    • Single V-groove
  • Overhead Position:
    • T-Joint
    • Single V-groove

Operate an CAC-A (Carbon Arc Cutting - Air) system in accordance with industry standards.

  • Demonstrate the effects of the following variables in position: electrode angle, amperage setting, air pressure, and travel speed.
  • Demonstrate correct CAC-A gouging techniques on single V-groove welds.

Apply visual and destructive examination principles and practices in accordance with AWS D1.1.

  • Explain visual inspection criteria
  • Evaluate welds using appropriate welding inspection tools
  • Assess weld discontinuities causes and corrections