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.

• 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 a variety of electrodes to code quality standards in the flat, horizontal, vertical, overhead  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 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

• Converting Decimal Inches to Nearest Sixteenth of an Inch
• On Metric Conversions Converting to Larger and Smaller Metric Units
• Converting within the Metric System
• Metric to Metric

Science

• E7018 Low-Hydrogen Electrode and E6011Cellulosic Electrode
• Benefits and Limitations of E7018 vs. E6011
• Significance of Constant Current for SMAW
• Use of Iron Powder
• Austenitic Stainless Steel Welding
• Stainless Steel Welding with 308 and 308L Electrodes
• Electrode Overheating
• Types of 308 Covered Electrodes
• Solidification Cracking in Austenitic Stainless Steel Welds
• Example of the use of the WRC-1992 Diagram
• Welding with 309 and 309L Electrodes
• Cast Iron Welding with Nickel-Based Electrodes
• Cast Iron Welding with Cast Iron Electrodes
• Use of Nickel Based Electrodes (ENi-CI and EniFe-CT)
• Aluminum Welding
• Cleaning Action with DECP and AC Welding
• Cracking in Aluminum Alloys
• Porosity in Aluminum Weld Metal

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 various electrodes to code quality standards in the flat, horizontal, and vertical 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 in the following projects: 

Snipe 

All Position

E-7018

Pipe to Plate

5G

E-6011

Pad Eye 

4F 

E-7014

I-Beam 

All Position 

E-6013

T-Joint  

2F

E-309L

 Thick to thin (12Gau. To 3/8”)

2F-4F 

E-6013

 Advanced Corner 

2F-3F

E-6011

Down Hand   

3F

E-6011 or E-6013

• Demonstrate visual examination principles and practices