50-420-724CNC Programming and Planning for Machine Trades Apprentices
Course Information
Description
This course is a classroom introduction to CNC programming for apprentices, with a focus on CNC turning and milling centers. Apprentices will create setup sheets, develop tool lists, calculate speeds and feeds, assign tool offsets and write CNC programs.
Total Credits
1
Course Competencies
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Illustrate the applications of CNC tool systemsAssessment StrategiesCNC Programming & Planning WorksheetCriteriaapprentice creates a drawing with written explanations for an application of CNC tool systems selected by the instructorapprentice uses resources and references efficientlydrawing shows CNC componentsdrawing includes labels to 100% accuracywritten explanation describes advantages and limitations of controlswritten explanation describes manual and computer-assisted programminganswers are neat and readableanswers are clear and conciseapprentice completes related worksheet questions and submits work for review and feedback by the instructor
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Compute cartesian coordinatesAssessment StrategiesCNC Programming & Planning WorksheetCriteriaapprentice uses coordinate systems to solve problems with given coordinate positionsapprentice plots coordinates on a cartesian grid to 100% accuracyapprentice describes six points in incremental coordinates to 100% accuracyapprentice describes six points in absolute coordinates to 100% accuracyapprentice computes rectangular coordinates to 100% accuracyapprentice computes polar coordinates to 100% accuracyanswers are neat and readableanswers are clear and conciseapprentice completes related worksheet questions and submits work for review and feedback by the instructor
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Sequence CNC operationsAssessment StrategiesCNC Programming & Planning WorksheetCriteriaapprentice sequences CNC operations for cylindrical and non-cylindrical partsapprentice sequences in a logical orderapprentice sequences in a "doable" orderapprentice sequences in the way that makes most efficient use of materialsapprentice sequences is a safe oneanswers are neat and readableanswers are clear and conciseapprentice completes related worksheet questions and submits work for review and feedback by the instructor
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Select tooling for an operationAssessment StrategiesCNC Programming & Planning WorksheetCriteriaapprentice selects the tool that will perform the job most efficientlyapprentice uses given prints, resources, and a tool library efficientlyapprentice selects the tool holder(s) appropriate for the jobapprentice assigns offsets for the tool selectedapprentice can explain safety, efficiency, and quality concerns for their selectionapprentice selects tooling to perform a specific operation
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Plan set-ups for CNC equipmentAssessment StrategiesCNC Programming & Planning WorksheetCriteriaapprentice plans a set-up for part manufacturing given a piece part print selected by the instructorapprentice explains safety considerations in the proposed setupapprentice orients the piece to the machine axis(s)apprentice establishes the part program zeroapprentice selects an appropriate work holding methodapprentice determines tool change positionsanswers are neat and readableanswers are clear and conciseapprentice completes related worksheet questions and submits work for review and feedback by the instructor
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Select cutter path locations for various operationsAssessment StrategiesCNC Programming & Planning WorksheetCriteriaapprentice calculates cutter coordinates on a piece part print selected by the instructorapprentice correctly sequences the cutter locationsapprentice calculates coordinates with 90% accuracyapprentice places, labels and sequences the cutter path on the part printanswers are neat and readableanswers are clear and conciseapprentice completes related worksheet questions and submits work for review and feedback by the instructor
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Write word address programs including G-codes and M-codesAssessment StrategiesWritten Manual CNC ProgramCNC Programming & Planning WorksheetCriteriathe manual program has complete letter address codesthe manual program has initialization blocksthe manual program has tool change procedurethe manual program provides linear and circular cutter paths with no errorthe manual program incorporates canned cycle commandsthe manual program has an ending with no errorsanswers are neat and readableanswers are clear and conciseapprentice completes related worksheet questions and submits work for review and feedback by the instructor
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Prove out cutter pathsAssessment StrategiesCNC Programming & Planning WorksheetCriteriaapprentice troubleshoots a program selected by the instructorapprentice locates all errorsapprentice revises the program and corrects all errorsapprentice tests the program and verifies that it runs error freeanswers are neat and readableanswers are clear and conciseapprentice completes related worksheet questions and submits work for review and feedback by the instructor
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Explore various CNC controlsAssessment 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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Compare tape formats for various 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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Relate feeds and speeds to CNC operations and 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