Portland Community College | Portland, Oregon

• Function safely in the PCC Welding Shop.
• Demonstrate professional work ethics (Habits)
• Operate oxyfuel portable welding units 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 Oxy-fuel welding equipment to code quality standards in the flat, vertical and horizontal Position

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 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 tool 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 (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

• Construction with Angles/Bevels
• Construction of a Bevel (Angle) Finders

Science

• Source of Heat for Oxy-Acetylene Welding
• Comparing Acetylene with Other Fuels
• Reasons for Oxidizing, Carbonizing, and Neutral Flames
• Welding Structural Steel
• Benefits of Oxy-Acetylene
• Limitations of Oxy-Acetylene
• Fluxes for Oxy-Acetylene Welding

Operate oxy-acetylene portable welding units and manifold system

• Demonstrate correct setup and shutdown procedures for the portable welding tanks and manifold system
• Perform oxy-fuel welding 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
• Assemble weld project per specification.
• Participate in shop clean-up

Weld common joints with the with the Oxy-fuel welding process to code quality standards in the flat, horizontal, vertical, and overhead positions

• Develop a working knowledge of the vocabulary used in the welding industry
• Use correct terminology
• Define terms used in the Oxy-fuel process
• Equipment identification, setup, shut down, and adjustment of equipment to settings called for in the Oxy-fuel welding process
  •   Oxy-fuel hose connections, inspection, and proper use
  •   Filler rod identification and classification, characteristics, and use
• Describe essential variables of tip size to regulating Oxy-fuel settings on regulators
• Demonstrate  how to adjust travel speed and amount of heat for thickness of material, and weld bead size
• Demonstrate correct welding techniques with the Oxy-fuel welding process and torch brazing
  • Starting and stopping
  • Overlapping welds
• Follow welding procedure

Demonstrate correct welding techniques in the following joints:

• Flat Position:
  • Bead Plate
  • T-Joint
  • Lap Joint
  • Outside Corner Joint
  • Butt Joint
• Horizontal Position:
  • Bead Plate
  • T-Joint
  • Lap Joint
  • Out side Corner Joint
• Vertical Position:
  • T-Joint
  • Lap Joint
  • Butt Joint
  • Outside Corner Joint
•   Overhead Position:
  •   T-Joint
  • Lap Joint
  • Butt Joint

Demonstrate visual examination principles and practices