Engineering Tutorials

EME- 402 : MANUFACTURING SCIENCE-I

Unit-I
Introduction :
Importance of manufacturing. Economic & technological considerations in
manufacturing. Classification of manufacturing processes. Materials & manufacturing
processes for common items. 2
Metal Forming Processes :
Elastic & plastic deformation, yield criteria. Hot working vs cold working. 2
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 5

Unit-II
Metal Forming Processes (continued):
Analysis of Wire/strip drawing and maximum-reduction, Tube drawing, Extrusion
and its application. 3
Condition for Rolling force and power in rolling. Rolling mills & rolled-sections. 2
Design, lubrication and defects in metal forming processes. 2
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. 4
Analysis of forming process like cup/deep drawing. Bending & spring-back. 3
Unit-IV
Unconventional Metal forming processes :
Unconventional metal forming processes such as explosive forming, electromagnetic,
electro-hydraulic forming. 2
Powder Metallurgy :
Powder metallurgy manufacturing process. The need, process, advantage and
applications. 2
Jigs & Fixtures :
Locating & Clamping devices & principles. Jigs and Fixtures and its applications. 2
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. 2
Unit-V
Casting (Foundry)
Basic principle & survey of casting processes. Types of patterns and allowances.
Types and properties of moulding sand. Elements of mould and design considerations,
Gating, Riser, Runnes, Core. Solidification of casting,. Sand casting, defects & remedies
and inspection. Cupola furnace. 7
Die Casting, Centrifugal casting. Investment casting, CO2 casting and Stir
casting etc. 3

Books :
1. Manufacturing Science by Ghosh and Mallik
2. Production Engg. Science by P.C. Pandey
3. Production Technology by R.K. Jain
4. Manufacturing Technology by P.N. Rao., TMH
5. Materials and Manufacturing by Paul Degarmo.
6. Manufacturing Science by KM Moeed.
7. Manufacturing Engineering & Technology by Kalpakjian, Pearson Pub.

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