Sand Casting: Sand Mould, Sand Properties– Patterns: Types, Materials, allowances –Types of Melting furnaces, Special casting processes: Shell - investment -Ceramic mould -Pressure die casting - Centrifugal Casting – Fettling -Defects in Sand 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 - Weld defects - Applications.
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.
Mechanics of chip formation - single point cutting tool - forces in machining - Types of chip – orthogonal, oblique metal cutting - thermal aspects - cutting tool materials - tool wear - tool life - surface finish - cutting fluids and Machinability. Gear manufacturing: Gear milling and Hobbing -Gear shaping and finishing process. Abrasive processes -types of grinding process- applications.
Need for NDT- Introduction to Powder metallurgy – applications. Surface modification – methods-CVD-PVD. Numerical Control (NC) machine tools — CNC types, constructional details, special features, machining centre, part programming fundamentals CNC — manual part programming.
Introduction to Metrology - Need–Elements of measuring system. Effect on Precision and Accuracy - Errors in Measurements – Calibration. Basic principles of Geometric dimensioning and tolerancing (GD&T)- Thread measurement -Gear measurement -Surface finish Measurement. Basic concept of CMM -CMM Constructional features. Basic concepts of Machine Vision System.
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. F.W.Galyer, Charles Reginald Shotbolt, “Metrology for Engineersâ€, 5th edition, Cengage Learning Publisher, 2014.
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 Technologyâ€, Pearson Education India Edition, 7th edition, 2018 3. Jain R.K. “Engineering Metrologyâ€, Khanna Publishers, 2016.
