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The following chart correlates the NTMA’s Level I Duties and Standards for Machining Skills to theMachining Fundamentals text. The duty areas and titles are correlated by chapter and section numbers.
MACHINING SKILLS—LEVEL I ASSIGNMENTS
Correlation Chart
Duty Area Duty Machining Fundamentals DrawingNos.
B234789Chapter 3, 29–54.1.1 Job Process PlanningDevelop a process plan for a part requiring milling,drilling, turning, or grinding. Fill out an operationsheet detailing the process plan and required speedsand feeds.
1. Job PlanningandManagement
B234790Chapter 2, 23–28; Chapter 3,29–54; Chapter 6, Sections 6.1.1Vises, 6.7 Hacksaw, 6.8 Files, 6.10Hand Threading, 6.11 Polishing.
2.1 Manual Operations: BenchworkTap holes. Use files, scrapers, and coated abrasives todeburr parts. Use arbor presses to perform press fits.Use bench vises and hand tools appropriately.
2. Job Execution
2. Job Execution
2. Job Execution
2. Job Execution
B234791Chapter 2, 23–28; Chapter 3, 29–54;Chapter 4, 55–80; Chapter 5, 81–90.
2.2 Manual Operations: LayoutLay out the location of hole centers and surfaceswithin an accuracy of ± –.015.
B234792
B234793Chapter 2, 23–28; Chapter 3, 29–54;Chapter 4, 55–80; Chapter 9,149–152; Chapter 13, 201–240;Chapter 14, 241–260.
2.3 Turning Operations: Turning Between CentersSet up and carry out between centers turning oper-ations for straight turning.
2.4 Turning Operations: ChuckingSet up and carry out chucking operations for turning.
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2. Job Execution 2.5 Power Feed MillingSet up and operate a horizontal or vertical millingmachine using power feeds. Perform routinemilling.
Chapter 2, 23–28; Chapter 3, 29–54;Chapter 4, 55–80; Chapter 9,149–152; Chapter 17, 285–316;Chapter 18, 317–352.
B234794
Chapter 2, 23–28; Chapter 3,29–54; Chapter 4, Sections 4.1The Rule, 4.2 Micrometers, 4.3Vernier Calipers, 4.4.4 ThreadGages, 4.5 Dial Indicators, 4.6.7Screw Pitch Gages; Chapter 9,149–152; Chapter 11, 183–190;Chapter 13; 201–240; Chapter 14,241–260.
Machining Fundamentals Instructor’s Resource2
Duty Area Duty Machining Fundamentals DrawingNos.
B234795Chapter 2, pages 23–28; Chapter 3,29–54; Chapter 4, 55–80; Chapter 9,149–152; Chapter 17, 285–317.
2.6 Vertical MillingSet up and operate vertical milling machines.Perform routine milling and location of hole centerswithin ±.005″.
2. Job Execution
2. Job Execution
2. Job Execution
2. Job Execution
2. Job Execution
3. Quality Controland Inspection
3. Quality Controland Inspection
5. GeneralMaintenance
Chapter 2, 23–28; Chapter 19,149–152.
2.7a Surface Grinding: Grinding Wheel SafetyRing test grinding wheels, perform visual safetyinspection, mount and dress a grinding wheel inpreparation for surface grinding.
B234796
B234797,B234798
B234799
Chapter 2, 23–28; Chapter 3, 29–54;Chapter 4, 55–80; Chapter 9,149–152; Chapter 19, 353–382.
Chapter 2, 23–28; Chapter 3, 29–54;Chapter 4, 55–80; Chapter 9,149–152; Chapter 10, 153–182.
Chapter 2, 23–28; Chapter 3,29–54; Chapter 4, Section: 4.1 TheRule; Chapter 12, 191–200.
Chapter 3, 29–54; Chapter 4,55–80; Chapter 23, 435–450.
Chapter 3, 29–54; Chapter 4,55–80; Chapter 23, 435–450.
Chapter 2, 23–28; Chapter 4,55–80; Chapter 10, Section: 10.8Sharpening Drills; Chapter 11,183–190; Chapter 13, Section: 13.6Cutting Tools and Tool Holders;Chapter 17, Section: 17.4 MillingCutters; Chapter 19, Sections 19.8Universal Tool and Cutter Grinderand 19.9 Tool and Cutter GrindingWheels.
Chapter 30, 547–556.
2.7b Surface Grinding: Horizontal SpindleReciprocating TableSet up and operate manual surface grinders with a 10″and smaller diameter wheel. Perform routine surfacegrinding, location of surfaces, and squaring of surfaces.Perform wheel dressing.
2.8 Drill PressSet up and operate drill presses. Perform routinedrill press operations.
2.9 Power Saw OperationsSet up and operate power saws for cutoff operations.
3.1 Part InspectionDevelop an inspection plan and inspect simpleparts using precision tools and techniques. Preparereports on the compliance of parts.
3.2 Process ControlFollow a sampling plan. Inspect the samples for therequired data. Enter the data on appropriate charts.Graph the data. Respond to the warning conditionsindicated by process charts.
5.3 Tooling MaintenanceKeep the duty station clean and safe for work. Keepthe tools, workbenches, and manual equipmentclean, maintained, and safe for work.
7.1 Career PlanningDevelop and explain a short-term career plan andresume.
7. CareerManagementand EmploymentRelations
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