Portland Community College | Portland, Oregon

This is a outcome based course utilizing a lecture/lab format. This course includes classroom discussions, computer based instruction, and lab demonstrations. Course outcomes will include: theoretical concepts, layout, fabrication, welding, oxyfuel cutting, safety and environmental awareness, communication, computations and human relations.
 

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, observations, written assignments, visual inspection techniques, welding tests, safe work habits, task performance and work relations.

Function safely in the PCC Welding Shop.

• Practice personal safety by using proper protective gear.
• Practice hand and power tool safety.
• Practice equipment safety for welding and oxy fuel cutting systems.
• 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
• Maintain quality workmanship standards

Apply math and science concepts to the welding related process.

• Determine heat input utilizing algebraic equations.
• Explain the Importance of Code Qualification
• Describe mechanical properties testing in regards to the requirements set forth in AW S D1.1 Structural Welding Code – Steel
• Describe the significance of bend testing and the effects of the E6011 vs E7018 Electrodes on Bend Test Results, Tensile Testing and Charpy V-Notch Impact Testing

Prepare material to industry standards using the band saw; oxyfuel portable and track cutting systems and grinders

• Identify major components of the saw.
• Explain safe operational procedures for the saw.
• Demonstrate the safe operation of the saw.
• Demonstrate correct setup and shutdown procedures for the hand cutting and track cutting systems .
• Perform oxy fuel cutting with guided practice.
• Identify the major components of the grinders.
• Explain safe operational procedures for the grinders.
• Demonstrate the safe operation of the grinders.

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 test assembly with the E6011 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 with the E6011
  • Starting and stopping
  • Overlapping welds
  • Follow welding procedure
• Demonstrate correct welding techniques in the following joints:
  • Vertical Position - Single v-groove weld
  • Overhead Position - Single v-groove weld
• Demonstrate visual examination principles and practices in accordance AWS D1.1 Structural Steel Code.
  • Å·ÖÞ±­¾öÈü¾º²Âapp_Å·ÖÞ±­×ãÇòÍø-Ͷע|¹ÙÍø knowledge of AWS D1.1 requirements in qualification procedures.
  • Use Welding Procedure Specification to set up and weld qualification coupons.
  • Å·ÖÞ±­¾öÈü¾º²Âapp_Å·ÖÞ±­×ãÇòÍø-Ͷע|¹ÙÍø knowledge and skills of the welder qualification procedures on 3/8” plate coupons using E6010.
  • Utilize welding code to reference weld profile inspection criteria.
  • Prepare and bend test plates in accordance with AWS D1.1.
  • Evaluate Bend test samples in accordance with AWS D1.1 to determine acceptability.