Welding (WEL) at Thomas Nelson Community College


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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 and plasma arc cutting. 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 120 Detailed Outline
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 146 - Welding Quality Control
Teaches techniques and practices of inspection, and interpretation of tests and measurements. Includes radiographic tests of joints of unlimited thickness welded in 3G and 4G positions.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 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 160 - Gas Metal Arc Welding
Introduces semi-automatic welding processes with emphasis on practical application. Includes the study of filler wires, fluxes, and gases.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
WEL 161 - Flux Cored Arc Welding (FCAW)
Introduces flux cored semi-automatic welding processes with emphasis on practical application. Includes the study of filler wires, fluxes, and gases.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits
WEL 161 Detailed Outline
WEL 164 - Gas Tungsten Arc Welding (GTAW), Tungsten Inert Gas (TIG)
Introduces practical operations in the use of tungsten arc welding and equipment. Studies equipment operation setup, safety, and practice of Gas Tungsten Arc Welding (GTAW), Tungsten Inert Gas (TIG).
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits
WEL 164 Detailed Outline
WEL 166 - Advanced Gas Tungsten Arc Welding (GTAW), Tungsten Inert Gas (TIG)
Continues practical operations in the use of tungsten arc welding and equipment. Studies equipment operation setup, safety, and practice of Gas Tungsten Arc Welding (GTAW), Tungsten Inert Gas (TIG).
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
Prerequisite: WEL 164
3 credits
WEL 166 Detailed Outline
WEL 175 - Semi-Automatic Processes
Introduces Semi Automatic Processes performed with Carbon Steel. Emphasizes practical applications in field techniques. Includes the study of filler wires, fluxes and cover gasses.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
WEL 175 Detailed Outline
WEL 210 - Maritime Flux Core Arc Fillet Welding (FCAW)
Provides an introduction to Maritime Flux Core Arc Welding and covers equipment setup, adjustment and maintenance, safety, and electrode selection, training to develop welding skills on carbon steels using small and large diameter flux-cored electrodes in all positions on fillet and groove welds. Provides an introduction to specific types of electrodes and base materials used in FCAW welding.
Lecture 2 hours, Lab 3 hours per week.
3 credits