Welding (WEL) at Patrick Henry Community College


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WEL 100 - Fundamentals of Welding
Introduces arc and oxyfuel welding and cutting. Provides fundamental principles of joining ferrous and non-ferrous metals, welding and cutting processes, equipment operation, and safety procedures with emphasis upon welding and cutting procedures.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
WEL 115 - Arc and Gas Welding
Presents arc and gas welding practices. Discusses safety, general welding practices and effects of welding on metals.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits
WEL 117 - Oxyfuel Welding and Cutting
Introduces history of oxyacetylene welding, principles of welding and cutting, nomenclature of the equipment, development of the puddle, running flat beads, and butt welding in different positions. Explains silver brazing, silver and soft soldering, and safety procedures in the use of tools and equipment.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
WEL 120 - Introduction to Welding
Introduces history of welding processes. Covers types of equipment, and assembly of units. Stresses welding procedures such as fusion, non-fusion, and cutting oxyacetylene. Introduces arc welding. Emphasizes procedures in the use of tools and equipment.
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
WEL 123 - Shielded Metal Arc Welding (Basic)
Teaches operation of AC and DC power sources, welding polarities, heats and electrodes for use in joining various metal alloys by the arc welding process. Deals with running beads, butt, and fillet welds in all positions. Emphasizes safety procedures.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
WEL 124 - Shielded Metal Arc Welding (Advanced)
Continues instruction on operation of AC and DC power sources, welding polarities, heats and electrodes for use in joining various metal alloys by the arc welding process. Deals with running beads, butt, and fillet welds in all positions. Emphasizes safety procedures.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
WEL 126 - Pipe Welding I
Teaches metal arc welding processes including the welding of pressure piping in the horizontal, vertical, and horizontal-fixed positions in accordance with section IX of the ASME code.
Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits
WEL 130 - Inert Gas Welding
Introduces practical operations in the uses of inert-gas- shield arc welding. Discusses equipment, safety operations, welding practice in the various positions, process applications, and manual and semi-automatic welding.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
WEL 135 - Inert Gas Welding
Introduces practical operations in use of inert gas shielded arc welding. Studies equipment operation, setup, safety and practice of GMAW (MIG) and GTAW (TIG).
Lecture 1 hour. Laboratory 3 hours. Total 4 hours per week.
2 credits
WEL 141 - Welder Qualification Tests I
Studies techniques and practices of testing welded joints through destructive and non-destructive testing. Part I of II.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
WEL 145 - Welding Metallurgy
Studies steel classifications, heat treatment procedures, properties of ferrous and non-ferrous metals. Discusses techniques and practices of testing welded joints and destructive/nondestructive, visual magnetic and fluorescent testing.
Lecture 2-3 hours. Laboratory 1-2 hours. Total 3-5 hours per week.
3-4 credits
WEL 150 - Welding Drawing and Interpretation
Teaches fundamentals required for successful drafting as applied to the welding industry. Includes blueprint reading, geometric principles of drafting and freehand sketching, basic principles of orthographic projection, preparation of drawings and interpretation of symbols.
Lecture 2-3 hours per week.
2-3 credits
WEL 195 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
WEL 197 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
WEL 198 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits
WEL 297 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
WEL 298 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits