UNIT - I Metal cutting: Introduction, elements of cutting process - Geometry of single point tools. Chip formation and types of chips. Engine lathe - Principle of working, types of lathe, specifications. Taper turning,- Lathe attachments. Capstan and Turret lathe - Single spindle and multi-spindle automatic lathes - tool layouts. (Chapter - 1) UNIT - II Drilling and Boring Machines - Principles of working, specifications, types, operations performed; twist drill. Types of Boring machines and applications. Shaping, slotting and planing machines -Principles of working - machining time calculations. (Chapter - 2) UNIT - III Milling machines - Principles of working - Types of milling machines - Geometry of milling cutters methods of indexing. Grinding - theory of grinding - classification of grinding machines. Types of abrasives, bonds. Selection of a grinding wheel. Lapping, honing and broaching machines, comparison and Constructional features, machining time calculations. (Chapter - 3) UNIT - IV Limits, fits and tolerances - Types of fits - Unilateral and bilateral tolerance system, hole and shaft basis system. Interchangeability and selective assembly. Limit Gauges: Taylor’s principle, Design of GO and NO GO gauges Measurement of angles Using Bevel protractor, and Sine bar. Measurement of flatness using, straight edges, surface plates, optical flat and auto collimator. (Chapter - 4) UNIT - V Surface Roughness Measurement: Roughness, Waviness. CLA, RMS, Rz Values. Methods of measurement of surface finish, Talysurf. Screw thread measurement, Gear measurement; Machine Tool Alignment Tests on lathe, milling and drilling machines. Coordinate Measuring Machines: Types and Applications of CMM (Chapter - 5)
