CASTING AND JOINING PROCESSES
Sand Casting: Sand Mould, Sand Properties, Core Making – Patterns: Types, Materials, allowances – Types of Melting furnaces, Solidification and Cooling, Special casting processes: Shell - investment - Ceramic mould -Pressure die casting - Centrifugal Casting – Fettling -Defects in Sand casting- Simulation of casting. Gas welding -Types -Flame characteristics - Manual metal arc welding -Gas Tungsten arc welding - Gas metal arc welding – Types of Special Welding Processes – Electron Beam welding and Friction Stir Welding – Brazing, soldering and Adhesive Bonding - Weld defects – Simulation of Welding - Applications.
METAL FORMING AND SHEET METAL PROCESSES
Mechanical working of Metals- Plastic deformation theory – Principles - Hot working and cold working of metals: Forging-Types - Operations, rolling – Flat and Shape rolling, Extrusion – Direct & Indirect, Drawing processes – Tube, Wire - Defects. Sheet metal Processes and characteristics–shearing - bending and drawing operations. special forming Processes : Types - Rubber pad forming - Explosive forming - peen Forming.
THEORY OF METAL CUTTING AND TURNING MACHINES
Mechanics of chip formation - single point cutting tool - forces in machining - Types of chip - cutting tools -nomenclature – orthogonal, oblique metal cutting - thermal aspects - cutting tool materials - tool wear - tool life - surface finish - cutting fluids and Machinability. Centre lathe - constructional features - specification - operations -taper turning methods - thread cutting methods - special attachments - machining time and power estimation - Capstan and turret lathes
MULTI POINT CUTTING AND ABRASIVE MACHINING PROCESSES
Types of operations–drilling - reaming - boring - tapping -milling operations –types of milling cutter. Gear manufacturing: Gear milling and Hobbing -Gear shaping and finishing process.Abrasive processes -grinding wheel - specifications and selection -types of grinding process- cylindrical grinding -surface grinding -centreless grinding and internal grinding -Typical applications – broaching
NON - TRADITIONAL MACHINING AND SURFACE MODIFICATION
Need for NDT -laser beam machining - electron beam machining - electric discharge machining - wire cut – waterjet & electro chemical machining-equipment - applications - advantages and limitations. Introduction to Powder metallurgy – applications. Surface modification – methods-CVD- PVD-Electroplating- shot blasting – application to electronic components manufacturing
Reference Book:
1. HMT, "Production Technology", Tata McGraw Hill, 2008.
2. Roy. A.Lindberg, ―Process and Materials of Manufacture,‖ 4th Edition, PHI/Pearson Education 2013.
3. Rao, P.N. "Manufacturing Technology Foundry, Forming and Welding", Volume I, 4th Edition,2013
4. Sharma, P.C., "A Text book of production Technology (Manufacturing Processes)", S.Chand and Co. Ltd., 2012
5. Rao, P.N. "Manufacturing Technology Metal Cutting and Machine Tools", Volume II 3rd Edition, 2013
Text Book:
1. Hajra Choudhury S.K and Hajra Choudhury A.K., "Elements of workshop Technology", volume I and II, Media promoters and Publishers Private Limited, Mumbai, 14th edition, 2010
2. Kalpakjian. S, ―Manufacturing Engineering and Technology‖, Pearson Education India Edition, 7th edition, 2013
