Outcomes
In order to successfully complete this course, the student will:
1. Employ safety rules associated in all welding processes.
2. Associate gas metal arc welding process to equipment, electrode classification, and types of metal transfer for various applications.
3. Employ the following procedures to gas metal arc welding equipment: correct set-up procedure, making adjustments, shutting down gas metal arc welding equipment, and perform minor maintenance.
4. Relate the variables and techniques to the applications of adjustment, manipulating the gun, and read the puddle to successfully deposit welds in all positions.
5. Interpret the variables required in depositing quality welds by material preparation, amperage and voltage, electrode angles, travel speed, gun manipulations and electrode stick-out.
6. Apply the variables the must be considered when welding on the various joint designs; such as process methods, strength, thickness, accessibility, welding position, and metal type.
7. Relate the variables covered in joint design and apply them in depositing quality welds in the square groove weld joint in all positions.
8. Explore the effect of shielding gas and other key variables on the three different types of metal transfer associated with gas metal arc welding.
9. Apply the techniques needed to deposit quality welds in the single V-groove weld, butt joint in all positions.
10. Complete GMAW welding skills exercises that require the "single V-groove weld, butt joint, in all positions.
11. Produce quality single V-groove welds on 3/8 mild steel using the spray transfer.
12. Apply techniques to adjust the power source while depositing stringer beads to produce weld qualities to complete all assignments.
13. Describe welding characteristics of aluminum and aluminum alloys as defined in the Aluminum Association Designation System.
14. Apply shielding gases used to protect aluminum and nonferrous metals, and describe the characteristics, application, availability, and effects on weld quality.
15. Describe welding characteristics of nonferrous materials other than aluminum when using the gas metal arc welding process.
16. Relate the method of operation, and equipment to the applications of the flux cored arc welding process.
17. Apply the appropriate set-up operation and perform preventive maintenance of FCAW equipment
18. Recognize the types of welding defects associated with the FCAW process andapply the methods of correction.
19. Produce quality "single V-groove welds on all positions using small diameter tubular electrode wires with shielding gas.
20. Produce quality multi-pass fillet welds in the vertical position capable of passing a visual and macro-etch examination.
21. Produce quality welds that pass the visual and guided bend test when welded on the single V-groove weld in all positions.
22. Identify and select FCAW electrodes using the American Welding Society classification system.
Required Software: WELD IT program
Recommended text book: Contact current Instructor for the recommended text material
Personal supplies provided by the welding student:
1. Safety glasses.
2. Welding helmet
3. Replacement lens for welding helmet
4. Oxy-fuel cutting goggles or face shield with #5 shade
5. Welding gloves, full-length leathers, or appropriate protective clothing.
6. Appropriate footwear; steel-toe boot preferred or leather shoes. NO TENNIS SHOES
7. Hard hat or other suitable head covering.
Tools required and provided by the welding student for this course include the following:
1. Metal tool box
2. 10" crescent wrench
3. Channel lock or plumbers pliers
4. Soap stone or metal marking pencil
5. 10’ or 25’ tape measure
6. Tip cleaner
7. Wise-grip pliers or needle nose pliers
8. Chipping hammer
9. Wire brush
10. Combination square
11. Heavy duty 6" C-clamp