Portland Community College | Portland, Oregon

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

• Function safely in the PCC Welding Laboratory
• Demonstrate professional work ethics(habits)
• Apply math and science concepts related to GMAW-P
• Understand the principles of the Gas Metal Arc Welding - Pulse process
  • Terminology
  • Equipment
  • Operation variables
  • Welding specifications
• Weld common joints in all positions on aluminum using the GMAW-P transfer.

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 task performance, safe work habits and work relations.

Function safely in the PCC Welding Laboratory

• Understand and practice personal safety by using proper protective gear
• Understand and practice power tool safety
• Understand and practice equipment safety
• Understand and maintain a safe work area
• Understand and practice fire prevention
• Access and explain the importance of 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
• Respect equipment and others
• Demonstrate skill in problem solving and decision making

Apply math and science concepts related to GMAW-P

• Demonstrate the ability to solve formulas
• Apply math order of operation rules
• Explain the purpose of Pulsing with GMAW
• Identify the types of shielding gases used for Pulsed GMAW
• Understand the principles of GMAW-P
  • Terminology
  • Variables
  • Equipment
  • Shielding gas
  • Welding specifications

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

• Interpret lines, symbols and verbiage on project drawing
• Layout material per drawing specification
• Assemble weld project per specification

Weld common joints to Code Quality using GMAW – Pulse transfer on aluminum.

• Flat position
• Butt joint
• Plug weld
• Horizontal position
• Lap Joint
• Plug Weld
• Vertical position
• Lap Joint
• Plug Weld
• Overhead position
• Lap Joint
• Plug Weld