WITH EFFECT FROM THE ACADEMIC YEAR 2012 - 2013
ME 305
MANUFACTURING PROCESSES
Instruction 4 Periods per week
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks
UNIT-I
Casting Process : Casting terms, pattern materials, types of patterns, pattern allowances, colour code for patterns, Moulding sands, core sands, properties of moulding sand and its ingredients, different types of moulding machines, Directional solidification, use of chaplets, chills, riser and gating design.
UNIT-II
Special Casting Processes: Shell moulding, Co2 moulding, die casting, centrifugal casting, investment or lost wax process; Casting defects, causes and remedies, Inspection and testing of casting. Furnaces used in foundry-Cupola, Induction and Arc furnace.
Processing of plastics - Extrusion, Injection moulding, Blow moulding and Thermoforming.
Introduction to Composites and MEMS.
UNIT-III
Welding Processes: Solid state welding processes - Friction welding, Forge welding, Explosive welding and ultrasonic welding, Gas welding, Arc welding- SMAW, SAW, GMAW, GTAW, PAW, Atomic hydrogen welding, principle of Soldering and Brazing.
UNIT-IV
Special Welding Processes: Laser beam welding, Electron beam welding, Thermit welding, and Electro slag welding. Resistance welding processes - Spot welding, Projection welding, Seam welding, Butt welding, weldability, Welding defects.
UNIT-V
Forming Processes: Cold & Hot working, Yield criteria, Process description of Forging, Rolling, Extrusion, Wire drawing, Blanking, Piercing,
10
Bending, Deep drawing, Stretch forming, Spinning. Introduction to unconventional forming processes-Explosive forming, Electro-magnetic forming, Electro-hydraulic and rubber pad forming.
Suggested Reading:
- 1.P.N.Rao, “Manufacturing Technology,” Vol. 1, Tata McGraw Hill Publ., 3nd Ed., 2011.
- 2.Amitabh Ghosh & Mallick, “Manufacturing Science”, Assoc. East west Press Pvt. Ltd. 4th Ed., 2011.
- 3.Roy A. Lindberg, "Materials & Process of Manufacturing", Prentice Hall of India, 5th Ed.l992.
- 4.Serope Kalpakjian, “Manufacturing Engineering and Technology”, Addison, Wesley Publishing Company, 2006
- 5.George.E. Dieter, "Mechanical Metallurgy", SI Metric Edition McGraw-Hill Book Company
- 6.J.P.Kaushish, "Manufacturing Processes", PHI Learning Pvt. Ltd., 2nd, 2010