CCOG for WLD 221 archive revision 202201
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- Effective Term:
- Winter 2022 through Summer 2024
- Course Number:
- WLD 221
- Course Title:
- Gas Tungsten Arc Welding Mild Steel
- Credit Hours:
- 4
- Lecture Hours:
- 0
- Lecture/Lab Hours:
- 80
- Lab Hours:
- 0
Course Description
Addendum to Course Description
This is an outcome based course utilizing a lecture/lab format. This course includes classroom discussions, videotapes, and lab demonstrations of technical skills. Course outcomes will include: theoretical concepts, layout, fabrication and welding,
Intended Outcomes for the course
Upon completion of the course students will be able to:
- Function safely in the PCC Welding Lab.
- Interpret blueprints to accurately lay out, prepare, and assemble weld joints.
- Understand and apply fundamentals of GTAW operations on mild steel.
- Weld common joint assemblies with GTAW to AWS D1.1 Structural Steel Welding Code visual acceptance criteria in all positions.
- Apply visual examination principles and practices in accordance with AWS D1.1.
Course Activities and Design
Welding lec/lab courses are Open Entry and Open Exit (OE/OE) and are offered concurrently. Courses are designed to meet the needs of the students with flexible scheduling options. Students may attend full time or part time. This is an OE/OE course which does not align with the normal academic calendar.
Outcome Assessment Strategies
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 tests and task performance.
Course Content (Themes, Concepts, Issues and Skills)
Function safely in the PCC Welding Lab.
- Understand and practice personal safety by using proper protective gear
- Understand and practice power tool safety
- Understand and maintain a safe work area
- Recognize and report dangerous electrical and air/gas hose connections
- Understand and practice fire prevention
Interpret blueprints to accurately lay out, prepare, and assemble weld joints on mild steel.
- Interpret lines, symbols, views and notes
- Lay out material per specifications
- Assemble project per specifications
Understand and apply fundamentals of GTAW operations on mild steel.
- Describe and demonstrate equipment setup, shut down, and operation
- Identify electrode types
- Demonstrate proper arc length and travel speed
- Demonstrate correct starting, stopping and restarting techniques
- Demonstrate proper bead placement
Weld common joint assemblies with the GTAW to AWS D1.1 Structural Steel Welding Code visual acceptance criteria in the following joints and positions:
Flat Position:
- Fuse weld a flat position edge joint
- Fuse weld flat position corner joint
- Butt joint
- T-Joint
Horizontal Position:
- T-Joint
- Lap Joint
- Outside Corner Joint
- Butt Joint
Vertical Position:
- T-Joint
- Lap Joint
- Outside Corner Joint
- Butt Joint
Overhead Position:
- T-Joint
- Lap Joint
- Outside Corner Joint
Apply visual examination principles and practices in accordance with AWS D1.1.
- Evaluate welds using appropriate welding inspection tools
- Assess weld discontinuities causes and corrections