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MANUFACTURING SCIENCE & TECHNOLOGY-I (NME- 402)

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Syllabus of MANUFACTURING SCIENCE & TECHNOLOGY-I (NME- 402)

Unit-I
Introduction :
Importance of manufacturing. Economic & technological considerations in manufacturing.
Classification of manufacturing processes. Materials & manufacturing processes for common items.

Metal Forming Processes :
Elastic & plastic deformation, yield criteria(Mises’ and Tresca’s). Hot working versus cold working.

Analysis (equilibrium equation method) of Forging process for load estimation with sliding friction, sticking friction and mixed condition for slab and disc. Work required for forging, Hand, Power, Drop
Forging.
Unit-II
Metal Forming Processes (continued):
Analysis of Wire/strip drawing and maximum-reduction, Tube drawing, Extrusion and its application.

Condition for Rolling force and power in rolling. Rolling mills & rolled-sections.

Design, lubrication and defects in metal forming processes.

Unit-III
Sheet Metal working :
Presses and their classification, Die & punch assembly and press work methods and processes.
Cutting/Punching mechanism, Blanking vs. Piercing. Compound vs. Progressive die. Flat-face vs
Inclined-face punch and Load(capacity) needed.

Analysis of forming process like cup/deep drawing. Bending & spring-back.

Unit-IV
Casting (Foundry)
Basic principle & survey of casting processes. Types of patterns and allowances. Types and properties
of moulding sand, sand testing. Elements of mould and design considerations, Gating, Riser, Runnes,
Core. Solidification of casting,. Sand casting, defects & remedies and inspection. Cupola furnace.

Die Casting, Centrifugal casting, Investment casting, Continuous casting, CO2 casting and Stir casting
etc.

Unit-V
Unconventional Metal forming processes :
Unconventional metal forming or High Energy Rate Forming (HERF) processes such as explosive
forming, electromagnetic, electro-hydraulic forming.

Powder Metallurgy :
Introduction to Powder metallurgy manufacturing process. Application and, advantages. 1
Jigs & Fixtures :
Locating & Clamping devices & principles. Jigs and Fixtures and its applications.

Manufacturing of Plastic components :
Review of plastics, and its past, present & future uses. Injection moulding. Extrusion of plastic
section. Welding of plastics. Future of plastic & its applications. Resins & Adhesives.

Books and References :
1. Manufacturing Science by Ghosh and Mallik
2. Production Engg. Science by P.C. Pandey
3. Manufacturing Engineering & Technology by Kalpakjian, Pearson
4. Manufacturing Technology by P.N. Rao., TMH
5. Manufacturing Processes by Shan, Pearson.
6. Manufacturing Processes foe Engineering materials by Kalpakjian, Pearson
7. Materials and Manufacturing by Paul Degarmo.
8. Manufacturing Processes by Kaushish , PHI
9. Principles of Foundry Technology, Jain, TMH
10. Production Technology by R.K. Jain

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