Unit ι : Theory of Metal Cutting lntroduction : Metal removal processes. Types of machine tools - Theory of metal cutting : Chip formation, Orthogonal cutting - Oblique cutting - Machinability of metal. Cutting tool - Classification of cutting tools-Single point cutting tool geometry-Cutting tool materials, Tool wear, Tool life, and cutting fluids - Functions and properties. (Chapter - 1) Unit 11 : Lathe and Operations Centre Iathe-Construction-Various operations, Taper turning methods, Thread cutting operation, Lathe attachments and accessories. Capstan and turret Iathes -Automats - Single spindle, Swiss type, Multi spindle automatic Iathe. (Chapter - 2) Unit 111 : Reciprocating Machine Tools Shaper-Principal parts, Classification, Specification of shaper, Shaper mechanisms, Types-Hydraulic shaper. Cutting speed, Feed, Depth of cut and machining time-Various shaper operations-Introduction to planer-Principal parts and working of double housing planer, Principal parts of slotter-Working of slotter. (Chapter - 3) Unit IV : Drilling and Milling Machines Drilling operations - Twist drill geometry - Radial drilling machine - Jigs and fixtures - Definition -Need of jigs and fixtures drill jig - Locating devices - Milling - Classification, Column and knee type milling machine - Milling cutters and classification - Fundamentals of milling processes - Milling operations. Indexing methods - Simple and compound. Cutting speed, Feed, Depth of cut and machining time. (Chapters - 4, 5, 6) Unit V : Super Finishing Processes Abrasive processes - Grinding wheel - Specifications and selection. Types of grinding process -Cylindrical grinding, Surface grinding, Centreless grinding. Super finishing process - Honing, Lapping, Super finishing, Polishing and buffing. (Chapters - 7, 8) Unit VI : Nonconventional Machining Process Unconventional machining process - Classification, Electron beam machining, Laser beam machining, Electric discharge machining, Ultrasonic machining, Abrasive jet machining. Additive manufacturing - Concept - Various applications of additive manufacturing. (Chapter - 9)
