Precision Machining Technology Textbook - Jefferson College



Manufacturing Technician Program Precision Machining Technology Textbook to ACT WorkKeys NCRC CrosswalkPrecision Machining Technology TextbookJefferson CollegeACT WorkKeys NCRC Skills and LevelsRationale/DiscoveriesLearning OutcomesCourse OutlineWorkplace DocumentsGraphic LiteracyApplied MathBasic Blueprint ReadingIntroduction to MachiningIntroduction to Machining Workplace SkillsCareers in MachiningMeasurement, Materials, and SafetyMeasurement Systems and Machine Tool Math OverviewSemi-Precision MeasurementJob Planning, Benchwork, and LayoutUnderstanding DrawingsStudents will use vocabulary peculiar to the trade Students will learn different line types and their uses Students will demonstrate the use of different size prints and paper sizes Students will construct 3-D view drawings using top, side, and bottom views to interpolate Students will determine tolerance and dimension specifications from reading blueprints Students will compare accuracies of finished parts to blueprints Students will utilize bill of materials using information from blueprint Understanding importance of blueprints and the need in the industry Understanding how blueprints are generated Understanding features of blueprints, what each are used for, and how to identify:Solid lines Hidden lines Center linesExtension linesDimension lines Leaders Title blocks NotationsDifferent views and why they are needed Tolerancing Bases for Blueprint Reading, Alphabet of Lines and Object Lines Hidden Lines, Center Lines, Extension Lines, and Dimension Lines Projection Lines, Other and Line Combinations. Three View Drawings Arrangement of Views, Two View Drawings One View Drawings, Auxiliary Views Size and Location Dimensions, Dimensioning Cylinders and Arch Size Dimensions for Holes, Location Dimensions for Points Base Line Dimensioning, Tolerances, Unilateral & Bilateral Interchangeable Parts, Allowances, and Class of Fit External Screw Threads, Internal and Left Handed Threads Tapers, Shop Notes, Metric System Dimensioning Metric System Dimensioning, First Angle Projection Metric Screw Threads, Cutting Planes Half Sections, Partial Section, Ordinate and Tabular Dimensioning Geometric Dimensioning and TolerancingOrthographic, Isometric, Oblique Sketching3-44-54-533-44-5NA4-74-5Industrial MathIntroduction to MachiningWorkplace SkillsMeasurement, Materials, and SafetyMeasurement Systems and Machine Tool Math OverviewStudents will utilize applied math to perform work related functions Fractions Addition of fractions Subtraction of fractions Division of fractions Multiplication of fractions Converting fractions to decimals Decimals Addition of decimals Subtraction of fractions Division of fractions Multiplication of fractions Converting decimals to fractions Understanding the Basic Metric System Convert inches to metric Convert metric to inches Simplified Geometry and Trigonometry Application of geometry in the field Application of trigonometry in the field 3-44-5NA3-4NA4-7Dimensional MetrologyMeasurement, Materials, and SafetySemi-Precision MeasurementPrecision MeasurementStudents will use vocabulary peculiar to the trade Students will learn how measurement is essential at many levels. (skilled, production, and scientific) Students will explain why statistical control is based on measurements that have already been taken Students will construct statistical spreadsheets, and use them to predict what the future measurements will be Students will be able to use graduated scales within recognized limitations Students will read Vernier and dial instruments Students will read and use micrometer and digital instruments Students will read and use gauge blocks and production gauge instruments Learning nomenclature of semi-precision and precision instruments Learn to fluently read and use the following instruments: Tape measure – learn to fluently read and use Steel rule Dial calipers Micrometers Veneer calipers Veneer height gauge Dial height gauge Gauge pins Surface plates Angle plates Indicators 4-54-54-7Machining ProceduresIntroduction to MachiningIntroduction to Machining Careers in MachiningWorkplace SkillsMeasurement, Materials, and SafetyIntroduction to SafetyMeasurement Systems and Machine Tool Math OverviewSemi-Precision MeasurementPrecision MeasurementJob Planning, Benchwork, and LayoutUnderstanding DrawingsLayoutHand ToolsSaws and Cutoff MachinesOffhand GrindingDrilling, Threading, Tapping, and ReamingDrill PressTurningMillingGrindingComputer Numerical ControlStudents will use vocabulary peculiar to the trade Students will identify proper safety procedures Students will calculate speeds and feeds for specific cutters and applications Students will calculate tap drill sizes for specific tap sizes Students will select proper layout procedures and tools for part layout Students will perform precision measuring using micrometers and calipers Students will operate band saw, and cut-off saw to perform intermediate operations Students will operate tool room lathe to perform intermediate operations Students will operate vertical milling machine to perform intermediate operations Students will operate surface grinders to perform intermediate operations Students will select and sharpen cutting tools to perform intermediate operations Machine Shop Safety Eye protection Long hair Proper clothing Jewelry Lock out Machine hazards Layout Layout bench Height gauges Squares and scribes Measuring Tools Micrometer Calipers Height gauges Rules Manual Engine Lathe (tool room lathe) Turning Drilling Boring Threading Manual Milling Machine (vertical milling machine) End milling Drilling Reaming Tapping Manual Cut-Off Saw/ Band Saw CNC lathe CNC mill Learn all basic machine shop cutting tools Center drills End mills Taps Reamers 3-44-54-54-54-54-54-55-63-43-54-64-55-64-53-45-6NA4-74-74-74-74-74-64-7 ................
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