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 code quality workmanship standards.

Apply math and science concepts to the welding related process.

• Calculate the differences between arc time and preparation time using algebra.
• Explain the Importance of Code Qualification
• Describe mechanical properties testing in regards to the requirements set forth in ASME Section IX.
• 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

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 oxyfuel 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.

Demonstrate complete joint penetration welds with the E6010 and E7018 electrodes to code quality standards when the pipe axis is fixed in the horizontal position (5G) and the pipe axis is inclined at 45 degrees (6G) position.

• 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.
• Demonstrate correct welding techniques with the E6010 and E7018
  • Describe variables and their causes and effects to achieve desired results

• Welding current
• Travel speed
• Electrode angle
• Arc length
• Oscillation Techniques

• Demonstrate correct welding techniques per the welding procedure specifications:
  • Pipe axis inclined, single v-groove pipe weld (6G)
  • Pipe axis horizontal, single v-groove pipe weld (5G)
• Demonstrate visual examination principles and practices in accordance with ASME Section IX and AWS D1.1.
  • Å·ÖÞ±­¾öÈü¾º²Âapp_Å·ÖÞ±­×ãÇòÍø-Ͷע|¹ÙÍø knowledge of ASME Section IX pipe welding code 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 schedule 40 or 80 pipe using E6010 with E7018.
  • Utilize welding code to reference weld profile inspection criteria.