STATE COUNCIL OF EDUCATIONAL RESEARCH AND TRAINING TNCF 2017 - DRAFT SYLLABUS Subject :GENERAL MACHINIST - Theory Class : XI TOPIC CONTENT 1. Workshop Engineering Introduction; Machinist; Duties; Role of a machinist in the growth of a country Accidents; Safety; First Aid 2. Hand Tools Introduction; Vice; Types; Files; types; Hacksaw frame; types; Bearing Puller; scraper types; Taps; types; Die; types marking Tools; Punches types; Try square scriber; surface scriber; surface plate; Angle plate; Marking plate; V-block 3. Measuring Instruments and Gauges Introduction; different categories of measuring Instruments Grades of measuring Instruments; Steel Rule; Types; Calipers; types Vernier Caliper; Least count formula Vernier height Gauge Micrometer; types errors in a Micrometer; types; Difference between a verniercaliper and a micrometer; Combination set; Bevel protractor; Least count of venire Bevel protractor; Sine bar Gauges : Introduction, Advantages of Gauges Grade of Gauges Types; snap Gauge; Double ended solid snap Gauge; Types; snap Gauge; Double ended solid snap gauge; Types Adjustable snap gauge Difference between gauges and templates 4. Engineering Materials Introduction Engineering Materials; structure of material; Properties of material Classification of materials; common Engineering materials 5. Heat Treatment Introduction; objectives of Heat treatment; methods of Heat treatment Annealing; Normalizing; Hardening; Tempering; Case Hardening; Carburizing; cyaniding Nitriding; Induction Hardening; Flame Hardening; Quenching Heat treatment
furnaces; Sintering furnace 6. FOUNDARY Introduction; Foundry Types; Foundary raw materials Foundary methods; wet sand, Dry sand Preparing of Foundary Sand, foundary Machines; Types; Foundary Model shapes 7. Fasteners and Jigs & Fixtures Fasteners : Introduction; Types of threads; nomenclature of threads; Forms of threads; nut, washer; types; keys; types Proportion of keys Jigs &Fixtures : Jigs :Introduction, Advantage of Jigs Elements of Jigs & fixtures Fixtures : Introduction, Types, - Advantages of fixtures; Difference between Jigs & Fixtures Principle of Location Six point Location ( 3-2-1 Location ) 8. Standardizations Introduction; Standardization; Interchangeability; Advantages of interchangeability; Basic terminology in interchangeable system; Fits; types Limit system 9. Transmission of Power Introduction; method of transmitting power; Belt Drive; Types; velocity of a belt drive; Beltslip Gears; types; Simple gear train; Compound gear train 10. Electricity Introduction; Current; Ampere; Resistance ; Ohm s Law electrical circuit; Types; Kirchoff s Law; First Law or current Law; Second Law or voltage Law Magnetism; Electro Magnetism; MMF. Magnetic Flux; Flux Density; Magnetic Intensity Faraday s Laws Direction of EMF; Fleming Right hand Rule; Left Hand Rule DC & AC Fundamental cycle Frequency AC 3 phase System Delta system; Star system; Comparison of
star & Delta System Difference between DC and AC System Electrical Equipments : Introduction; motors; types; construction of a Induction motor; Starters; Types 11. Industrial Management Introduction; Plant Engineering; Plant Location; Important factors to be considered in selecting a plant Location; plant layout; Advantage of a good plant layout; Work Study; Method Study; works management Production & Productivity based on different resources; Means of Increasing Production Planning and control (PPC); Functions of PPC; Importance of PPC Quality control; management; Frederick W. Taylor; Henry Fayol Organization; Types; Organization chart 12. Cost Estimation Introduction; Cost of material; machining charges; wage paid to workers cost for making accessories like Jigs and Fixtures; Administrative Expenditure Profit and tax STATE COUNCIL OF EDUCATIONAL RESEARCH AND TRAINING
TNCF 2017 - DRAFT SYLLABUS Subject :GENERAL MACHINIST THEORY Class : XII TOPIC CONTENT 1. Lathe Introduction; Parts of the Lathe; Types of the Lathe; Size of the Machine; Spindle Machinism; Feed Mechanism; Work holding devices; Special attachments; Tools (Cutting Tools) Machining operations; Cutting Speed, Feed, depth Introduction; Types of machines; Parts of the Machines; Size of the Machine; Spindle mechanism work holding devices; Cutting Tools; Tool holding devices; drill bit nomenclature; Cutting Speed, Feed, depth 2. Drilling machine 3. Shaping machine Introduction; Types of Machine; Parts of the Machine; Size of the Machine; Quick return Mechanism; Pawl & Ratchet mechanism; Stoke length, Ram position; Setting stroke length; Work holding devices; Tool head; Types of tools; Machining operations; Cutting speed, depth, feed. 4. Grinding machine Introduction; Types of Machines; Size of Machines; Grinding Operation; Types; advantages & disadvantages; Machining operation; Grinding; Adrasives; types; Bonds; Bonding material; types of Bonds; Abrasive size, structure, grade; Grinding wheel specification; selection of grinding wheels; mounting of grinding wheels; Glazing; Loading; Chastening; Balancing; Dressing; Truing; Cutting speed, feed, depth of cut; types of surface finishing process.
Introduction; Types of machines; Size of the machine; Advantages & disadvantages; Fundamental milling process types; Cutters; standard, plain milling cutters; Indexing tool; nomenclature; Tool holding devices; special attachments; types of operation; cutting speed, feed, depth of cut 5. Milling machine 6. Machine tool maintanance Introduction; Objective of maintenance; wear, tear & backlash; lubrication; types; central maintenance; types of maintenance; planning maintenance; materials and Instruments needed for doing maintenance 7. Welding Introduction; Types of welding; Process of welding; Types of Electrodes; Arc Welding; Gas welding differences; welding operation; welding related process; types of welding joints; safety precautions HYDRAULIC EQUIPMENTS 8. Hydraulic &pheumaticequipments Introduction; Density; volume; Hydraulics characteristics; Properties of fluids; Hydraulic system; Advantages of Hydraulic device over mechanical device; Hydraulic properties; Pumps types; types of cylinders; types of valves; safety equipments; Accumulator; Shock absorber; Basic Hydraulic circuit; Advantage & disadvantages PNEUMATIC EQUIPMENTS
Introduction physical law of pneumatics; Pneumatic circuit components; Characteristics and applications; Advantages and disadvantages 9. CNC machine Introduction; Numerical control; Elements of NC machines; Software; Machine control units; Input reading units; Memory unit; Processing unit; Output channel; Feedback unit; Driving devices; Manual control units; Advancement in NC machines; Direct Numerical control; Adaptive control; Types of CNC Machines; Advantages Automation Introduction; Types of Automation; Needs for Industrial Automation; Application for Automation; Advantages and Disadvantages 10. Automation & Robotics Robotics Introduction; Robot Autonomy; Basic Principles of Robot; Asimov law; Types and Classification of robotics; Robo Coordinating system ; Applications