Aug 24, 2019  
2018-2019 Course Catalog 
    
2018-2019 Course Catalog [ARCHIVED CATALOG]

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MFG 171 - Manufacturing Welding I

Credits: 2
Lecture Hours: 0
Lab Hours: 4
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
Basic skills will be developed in welding beads and buildup surfacing in the flat position, welding with oxy-acetylene equipment, and an introduction to GMAC welding.
Competencies
  1. View required Shielded Metal Arc Welding videos
    1. View SMAW videos one (1) through eight (8)
    2. Complete workbook assignments related to videos 1-8
    3. Submit completed workbook assignments to instructor by deadline
  2. Demonstrate the safety rules when using shielded metal arc welding equipment
    1. Describe the safety procedures when setting (up) shielded metal arc welding equipment
    2. Identify personal safety gear employed when using shielded metal arc welding equip
    3. Explain how to electric shock
  3. Demonstrate proper set up, start up and shut down procedures of SWAW equipment
    1. Illustrate proper set up of equipment
    2. Explain the two types of welding machines
    3. Show how to set current and polarity
  4. Distinguish between AC and DC current
    1. Explain the differences between AC and DC current
    2. Learn to select the electrodes used with AC polarity
    3. Learn to select the electrodes used with DC polarity
  5. Select classifications of electrodes for various polarity
    1. Relate how electrode size is determined
    2. Convert the numbers on the electrodes to what they mean
    3. Identify the characteristics for each electrode
  6. Run stinger beads with different electrodes, stop, then restart in the flat position
    1. Study video #4 and complete workbook assignment
    2. Make stringer beads on ¼” or 3/16” plate, using 1/8” & 5/32” E-6010, E-6013, E-7018 and E-7024
    3. Practice running 1” beads, stopping and restarting by joining together with same electrodes as above
  7. Manipulate the rod making circle and weave beads in the flat position
    1. Select electrodes 1/8” ” E-6010 & E-6013
    2. Maneuver electrode in circle motion, make beads ½” wide
    3. Operate electrode in zigzag motion and form weave bead in between circle beads
  8. Perform surface welds with two different rods in the flat position
    1. Study video #12 and complete workbook assignment
    2. Use electrodes 1/8” E-6013 & E-7018
    3. Construct a surface weld on ½” x 4” x 6”, going length ways on plate
    4. Lab test for surface welds with two different rods for final grade
  9. Lab test for surface welds with two different rods for final grade
  10. View required Oxy-Acetylene videos and complete required workbook activities
    1. Complete assignments #1 through 4 and submit to instructor
    2. Study hand out on 7 set up and 5 shut down procedures
    3. Demonstrate an understanding of personal safety equipment while using OAW equipment
  11. Interpret the safety rules for using Oxy-Acetylene equipment
    1. Explain some of the safety precautions when using OAW equipment
    2. Select the personal safety equipment to be utilized when using OAW equipment
    3. Describe the procedures for performing safety checks of equipment 
  12. Demonstrate the set up, start up and shut down procedures of Oxy-Acetyl equipment
    1. Complete assignments #3 and 4 and complete workbook actively
    2. Demonstrate set up and shut down of equipment using handout provided
    3. Illustrate lighting torch and adjusting it to three types of flames
  13. Execute fusion welding with and without filler rods, and have penetration in the flat position on 16 ga. Sheet metal
    1. View video (#5) and complete workbook assignment
    2. Use 16 ga. 4” x 6” HR sheet metal, place between two fire bricks
    3. Produce a puddle on sheet, manipulating torch with 100% on back side
    4. Produce 100% penetration by adding filler rod
  14. Conduct welds with filler cord on lap and tee joints in the flat position
    1. After viewing video #6 complete the related workbook assignment
    2. Place lap joint between fire bricks and weld both sides with filler rod
    3. Construct a tee joint and weld one side with filler rod
  15. Flame cut (manually) various thicknesses of metals and structural shapes with Oxy-Acetylene equipment
    1. View tapes #8, 9, and 14 and complete workbook assignments
    2. Set up cutting torch with proper tip size and fuel pressures
    3. Manually flame cut sheet metal, ¼”, 3/16”, 3/8”, ½”, pierce holes, cut bevels and structural shapes
  16. Control perpendicular and bevels by using Oxy-Acetylene line cutter
    1. View video #14 and complete related workbook assignments
    2. Demonstrate proper set up of line cutter
    3. Run line cutter and produce straight and bevel cuts
  17. Lab test over Oxy-Acetyl for final grade
  18. View required Gas Metal Arc Welding videos
    1. View videos one and two for GMAW
    2. Complete workbook assignments for videos one and two
    3. Submit completed workbook assignments by established deadline
  19. Interpret the safety rules for using gas metal arc welding equipment
    1. Describe safety rules when setting up GMAW equipment
    2. State what personal safety gear is employed when using GMAW equipment
    3. Explain how to prevent electric shock when using equipment
    4. Recite and practice safety in all work situations



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