10457100Metal Repair Techniques
Course Information
Description
This course covers safety, layout and measurement, grinding, drill press, lathe operation, filing, threading, properties of metals, oxy-acetylene welding, brazing and cutting, and SMAW, GMAW, and FCAW.
Total Credits
2
Prior Learning Assessment
  • Experiential-Skill Demonstration
Course Competencies
  1. Perform shop safety
    Assessment Strategies
    in lab performance
    Criteria
    you use required eye protection for welding and machine shop
    you dress appropriately
    you demonstrate welding safety procedures
    you use the grinder and drill press safety
    you protect tools, equipment and manuals
    you maintain clean and organized work areas
    you demonstrate conservative use of shop supplies

  2. Perform measurement
    Assessment Strategies
    on a written evaluation
    in the lab during a project layout procedure
    Criteria
    you measure with a steel rule to within the print specifications
    you measure with a micrometer - English and Metric to within the print specifications
    you measure with a dial caliper to within the print specifications
    you measure with a dial indicator to within the print specifications
    you use a digital readout (DRO) per print specifications
    you layout projects to within tolerance specified on print handout

  3. Use basic types of hand metal cutting tools
    Assessment Strategies
    in lab performance
    on a written evaluation
    Criteria
    you identify the appropriate chisel or punch for the assigned task
    you demonstrate the selection and use of the appropriate saw blade
    you follow all personal and environmental safety practices
    you perform basic hand metal cutting operations appropriately

  4. Perform grinding
    Assessment Strategies
    in lab performance
    Criteria
    you grind a drill bit with appropriate angles
    you grind the appropriate angles for a chisel, center punch and/or prick punch
    you use a hand grinder to achieve a dimension and finish as specified

  5. Determine the properties of various types of metals
    Assessment Strategies
    through written evaluation
    in a lab performance
    Criteria
    you explain the properties of different types of metals
    you determine what makes metals heat treatable
    you identify different types of metals
    you investigate what happens to metal as it is heated

  6. Operate drill press
    Assessment Strategies
    in lab performance
    Criteria
    you select proper drill bit per application including using a tap drill chart
    you calculate the RPM and set the drill press speed
    you set up and drill stock per print
    you ream stock per print
    you counterbore stock per print
    you countersink stock per print

  7. Operate lathe
    Assessment Strategies
    in lab performance
    on a written evaluation
    Criteria
    you set up and face stock in a 3-jaw chuck
    you perform a drilling and/or reaming procedure on the lathe to print specifications
    you identify lathe components
    you identify lathe component functions

  8. Perform threading
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you identify thread sizes
    you tap stock per print
    you identify parts of a thread
    you use threading terminology
    you identify tap drill size per tap
    you perform a threading operation to print specifications
    you perform a thread restoration using a thread file
    you remove a broken bolt and restore threads
    you cut new threads internally
    you cut new threads externally

  9. Perform filing
    Assessment Strategies
    in lab performance
    on a written evaluation
    Criteria
    you draw file stock per print specifications
    you file corner radii per print specifications
    you use proper filing technique
    you use file terminology

  10. Perform oxy-acetylene welding
    Assessment Strategies
    in lab performance
    on a written evaluation
    Criteria
    you select tip size for application
    you select oxygen and acetylene line pressures for tip size
    you follow oxy-acetylene welding safety standards
    you perform puddling in the flat position
    you perform an edge weld in the flat position
    you use welding terminology
    you identify oxy-acetylene welding safety standards

  11. Perform oxy-acetylene cutting
    Assessment Strategies
    in lab performance
    on a written evaluation
    Criteria
    you select correct tip size for application
    you follow oxy-acetylene cutting safety standards
    you select correct oxygen and acetylene line pressure for tip size
    you perform cutting
    you use cutting terminology
    you identify oxy-acetylene cutting safety standards

  12. Perform oxy-acetylene brazing
    Assessment Strategies
    in lab performance
    on a written evaluation
    Criteria
    you select correct tip size for application
    you select correct oxygen and acetylene line pressure for the tip size
    you follow oxy-acetylene brazing safety standards
    you perform a butt braze in the flat position
    you perform a lap braze in the flat position
    you perform a braze stringer in the flat position
    you use welding terminology
    you identify oxy-acetylene brazing safety standards

  13. Perform Shielded Metal Arc Welding
    Assessment Strategies
    in lab performance
    on a written evaluation
    Criteria
    you set up power source
    you follow Shielded Metal Arc Welding safety standards
    welding is appropriate width
    welding is appropriate height
    welding has appropriate amount of spatter for selected electrode
    welding is performed on specified metal
    you perform flat position stringer beads using a E6013 or 7018
    you perform flat position stringer beads using a E6010 or 6011
    you perform flat position fillet welds using a E6010 or 6011
    you perform flat position fillet welds using a E7018
    weld passes a face bend test on butt welds
    you identify characteristics of power supply set-up
    you identify manipulation techniques for electrodes
    you use welding terminology
    you identify Shielded Metal Arc welding safety standards

  14. Perform Gas Metal Arc Welding
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you explain GMAW set-up procedure
    you use a welding calculator to determine proper voltage and wire feed
    you follow Gas Metal Arc Welding safety standards
    you calculate the wire feed speed of an unknown wire feeder
    you use welding terminology
    you set up MIG welding machine
    you perform all welds on specified material
    you perform a lap joint fillet weld
    you perform a outside corner weld
    you weld an exhaust pipe lap joint as if mounted on a vehicle
    welding is appropriate width
    welding has appropriate amount of spatter for selected electrode
    welding is appropriate height
    you identify Gas Metal Arc welding safety standards

  15. Perform plasma arc cutting
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you identify basic plasma arc cutting functions
    you identify plasma arc cutting safety standards
    you set up plasma arc cutting machine
    you perform a cut in sheet steel
    you perform a cut in aluminum
    you perform a cut in stainless steel
    you follow plasma arc cutting safety standards

  16. Perform milling
    Assessment Strategies
    on a written evaluation
    in lab performance
    Criteria
    you identify the axis of the vertical mill
    you calculate the speed and feed rates for the selected material in the selected mill
    you mill stock per print using vertical mill