50-420-717Milling Machines for Machine Trades Apprentices
Course Information
Description
This course related instruction on the basic principles of vertical and horizontal milling machines for the machine tool apprentice. Instruction includes safety, basic parts and functions of the machines, work holding devices, tooling requirements, and feeds and speeds.
Total Credits
0.5
Course Competencies
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Determine safety requirements for milling machinesAssessment StrategiesOral, Written or Graphic AssessmentCriteriaapprentice uses terms accuratelyapprentice applies concepts correctlyapprentice references resourcesapprentice completes worksheet on timeapprentice submits worksheet to the instructor for review and approvalwork is completework is accuratework is grammatically correct and error freeanswers are clear and conciseanswers are neat and readableapprentice relates the competency to given specifications
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Analyze vertical milling machine tool capabilities and setupAssessment StrategiesMilling Machine & Operations WorksheetCriteriaapprentice completes an analysis of the capacities of a vertical milling machine selected by the instructoranalysis includes description of the function of vertical milling machine componentsanalysis includes a list of steps involved for a vertical mill to perform these tasks: squaring, using "T" slot locating stops, aligning the mill vise, locating work edges, locating spindle centeranalysis includes a determination of whether or not a vertical mill is the correct alternative for given job criteriaanalysis is well organized and follows a logical sequenceanalysis evidences correct grammar, punctuation, and spellingapprentice completes related worksheet questions and submits work for review and feedback by the instructoranswers are clear and conciseanswers are neat and readable
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Analyze horizontal and universal milling machine tool capabilities and setupAssessment StrategiesMilling Machine & Operations WorksheetCriteriaapprentice completes an analysis of the capacities of a horizontal/universal milling machine selected by the instructoranalysis includes description of the function of horizontal/universal milling machine componentsanalysis includes a list of steps involved for a horizontal/universal mill to perform these tasks: squaring, using "T" slot locating stops, aligning the mill vise, locating work edges, locating spindle centeranalysis includes a determination of whether or not a horizontal/universal mill is the correct alternative for given job criteriaanalysis is well organized and follows a logical sequenceanalysis evidences correct grammar, punctuation, and spellingapprentice completes related worksheet questions and submits work for review and feedback by the instructoranswers are clear and conciseanswers are neat and readable
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Select work-holding devicesAssessment StrategiesMilling Machine & Operations WorksheetCriteriaapprentice selects work holding and locating devices for milling operations selected by the instructorselection is the one that best suits the job at handselection incorporates safe milling practicesselection recognizes accuracy in the choice of work holding deviceselection recognizes rigidity in the choice of work holding deviceapprentice completes related worksheet questions and submits work for review and feedback by the instructoranswers are clear and conciseanswers are neat and readable
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Examine cutting tool selection and identification for milling machinesAssessment StrategiesOral, Written or Graphic AssessmentMilling Machine & Operations WorksheetCriteriaapprentice uses terms accuratelyapprentice applies concepts correctlyapprentice references resourcesapprentice completes worksheet on timeapprentice submits worksheet to the instructor for review and approvalwork is completework is accuratework is grammatically correct and error freeanswers are clear and conciseanswers are neat and readable apprentice relates the competency to given specifications
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Calculate feeds and speeds used in milling machinesAssessment StrategiesMilling Machine & Operations WorksheetCriteriaapprentice uses the correct formula for calculating R.P.M.apprentice determines the correct surface feet per minute values (cutting speeds) to within 90% accuracyapprentice determines the correct inches per revolution to within 90% accuracyapprentice determines the correct feed per tooth (F.P.T.) based on the material to within 90% accuracyapprentice calculates the correct inches per minute of feed (I.P.M.) based on the tooling used to within 90% accuracyapprentice completes related worksheet questions and submits work for review and feedback by the instructoranswers are clear and conciseanswers are neat and readable