Course

31420317 Machining Basics
Course Information
Description
Introduces the basic concepts and skills using engine lathes, power saws, drill presses and bench applications. Emphasizes safety and proper operation of tools and machines, speeds, feeds, cutting tools, tool geometry, tool grinding and work-holding devices. Stresses dimensional accuracy, finish and quality as well as team-building and work ethics.
Total Credits
1
Course Competencies (Course Outcomes)
  1. Perform Shop Safety
    Assessment Strategies
    Lab Performance
    Criteria
    Use required eye protection in the machine shop
    Dress appropriately
    Demonstrate safety procedures
    Use the grinder and drill press safely
    Protect tools, equipment, and manuals
    Maintain clean and organized work areas

  2. Perform Basic Measurement, Layout, and Inspection
    Assessment Strategies
    Written Evaluation
    Lab Performance
    In-Lab Layout Procedure
    Criteria
    Measure with English steel rules
    Measure with an outside micrometer
    Measure with a dial caliper to within print specifications
    Measure with a dial indicator to within print specifications
    Use a digital readout (DRO) per print specifications
    Layout projects to within tolerance specified on print handout
    Layout hole centers and surfaces
    Choose the appropriate layout tools, dividers, scribes, combination square set, center punches, prick punches, and calipers
    Layout points of tangency between arcs and lines
    Measure angles, perpendicularity and parallelism

  3. Operate Pedestal Grinder
    Assessment Strategies
    Lab Performance
    Criteria
    Grind a lathe bit with appropriate angles
    Grind the appropriate angles for a chisel, center, and prick punch
    Use a pedestal grinder to achieve a dimension and finish as specified
    Demonstrate grinding safety rules
    Dress and true grinding wheel

  4. Operate Drill Press
    Assessment Strategies
    Lab Performance
    Written Evaluation
    Criteria
    Describe the functions of a drill press
    Demonstrate drill press safety precautions
    Demonstrate proper work holding methods
    Select proper drill bit per application including using a tap drill chart
    Calculate speeds and feeds, and set the drill press speed
    Center drill locations
    Drill holes
    Ream holes using the drill press
    Set up and drill stock per print
    Counterbore stock per print
    Countersink stock per print

  5. Operate Manual Engine Lathe
    Assessment Strategies
    Lab Performance
    Written Evaluation
    Criteria
    Set up and face stock in a 3-jaw chuck or collet chuck
    Calculate feeds and speeds
    Turn diameters
    Center drill with tailstock
    Turn tapers with compound

  6. Perform Threading
    Assessment Strategies
    Lab Performance
    Criteria
    Identify thread sizes
    Tap stock per print
    Identify tap drill size per tap
    Perform a tapping operation to print specifications

  7. Perform Filing
    Assessment Strategies
    Lab Performance
    Criteria
    Draw file stock per print specifications
    File corner radii per print specifications
    Use proper filing technique
    Use file terminology

  8. Operate Vertical Milling Machine
    Assessment Strategies
    Lab Performance
    Criteria
    Demonstrate safe operating procedures
    Calculate feeds and speeds
    Demonstrate vise work holding methods
    Maintain vertical mill
    Indicate vise
    Perform end milling
    Perform side milling

  9. Operate Vertical and Horizontal Saws
    Assessment Strategies
    Lab Performance
    Criteria
    Demonstrate cutoff machine safety procedures
    Hacksaw stock
    Perform saw maintenance as needed

  10. Perform Hand and Bench Work
    Assessment Strategies
    Lab performance
    Criteria
    Demonstrate safe working conditions
    File metal
    Lay out work
    Demonstrate use of common hand tools i.e. hammers, pliers, wrenches, chisels, etc.
    Maintain hand tools