50-420-743Milling Machines for Machine Trades Apprentices
Course Information
Description
This course will have the apprentice analyze the basic principles of vertical and horizontal milling machines. Apprentices practice safety measures while exploring basic parts and functions of the machines, work holding devices, tooling requirements, and feeds and speeds.
Total Credits
1
Course Competencies
  1. Determine safety operations for milling machines
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    use PPE when and where appropriate
    apply safety concepts correctly
    follow LOTOTO procedures
    attends to housekeeping of machine area

  2. Analyze milling machine capabilities and setup
    Assessment Strategies
    Demonstration
    Criteria
    assess milling machine and parts for performance capabilities
    identify the capacities of given milling machine
    identify operations specific milling machine can accomplish
    compare and contrast types of lathes to select the lathe most suited for a given job

  3. Sequence milling machines
    Assessment Strategies
    Demonstration
    Criteria
    complete an analysis of the capacities of a horizontal/universal milling machine
    analyze the function of horizontal/universal milling machine components
    list steps involved for a horizontal/universal mill to perform various tasks
    determine horizontal/universal mill is the correct alternative for given job criteria

  4. Select work-holding devices for milling machines
    Assessment Strategies
    Demonstration
    Criteria
    select work holding and locating devices for milling operations
    apply safe milling practices
    examine accuracy in the choice of work holding device
    identify rigidity in the choice of work holding device

  5. Examine cutting tool selection and identification for milling machines
    Assessment Strategies
    Oral, Written or Graphic Assessment
    Criteria
    use terms accurately
    apply concepts correctly
    use references and resources
    complete work in a timely manner
    relate tool to given specifications

  6. Calculate feeds and speeds for various milling machines
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    use the correct formula for calculating R.P.M.
    determine the correct surface feet per minute values (cutting speeds) to within 90% accuracy
    determine the correct inches per revolution to within 90% accuracy
    determine the correct feed per tooth (F.P.T.) based on the material to within 90% accuracy
    calculate the correct inches per minute of feed (I.P.M.) based on the tooling used to within 90% accuracy