Portland Community College | Portland, Oregon

This is a 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.

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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, observation, written assignments, visual inspection techniques, 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 and 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

• 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.
 

• Determine steel costs by weight per square foot calculations
• Explain the characteristics of the SAW process as it relates to common electrodes and flux combinations.  
• Explain how Heat-Affected Zone (HAZ) Cracking Possible
• Describe mechanical properties of weld metal deposited by SAW. 

Operate oxyfuel 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 submerged arc welding process to code quality standards in the flat and horizontal positions

• Use correct terminology.
  • Define terms used in the SAW process.
• Equipment identification, setup, shut down, and principles of operation for SAW.
  • Power source identification and adjustment.
  • Welding lead, connections, inspection, and use.
  • Electrode and Flux identification, characteristics, and use.
• Know essential variables of SAW by demonstrating the effects of the following variables: travel speed, electrode angle, voltage and wire feed speed.
• Demonstrate correct welding techniques with the SAW.  
  • Starting and stopping
  • Overlapping welds
  • Follow a welding procedure
• Demonstrate correct welding techniques in the following joints:
  • Flat Position
    • Groove Joint
  • Horizontal Position
    • T-Joint
• Demonstrate visual examination principles and practices