Subject Details
Dept     : MECH
Sem      : 3
Regul    : 2017
Faculty : Dr.S.Charles
phone  : NIL
E-mail  : principalsnsce@gmail.com
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Lecture Notes

UNIT 1:
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Sand Casting
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Type of patterns - Pattern Materials – Pattern allowances
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Moulding sand Properties and testing
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Moulding machines- Types and applications
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Melting furnaces : Blast and Cupola Furnaces
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Shell casting - investment casting
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Ceramic mould – Pressure die casting
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Centrifugal Casting - CO2 process
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Stir casting; Defects in Sand casting
UNIT 2:
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Gas welding - Types, Flame characteristics
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Manual metal arc welding
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Gas Tungsten arc welding
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Gas metal arc welding
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Submerged arc welding
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Electro slag welding
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Resistance welding
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Thermit welding
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Friction welding and Friction Stir Welding
UNIT 3:
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Forging processes – Open, impression and closed die forging
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Hot working and cold working of metals
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Rolling of metals
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shape rolling operations
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Principle of rod and wire drawing
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Principles of Extrusion
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Defects in rolled parts
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Hot and Cold extrusion
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Tube drawing
UNIT 4:
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Introduction of Explosive forming
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Metal spinning
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Sheet metal characteristics
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Stretch forming operations
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Rubber pad forming
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Hydro forming
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Formability of sheet metal – Test methods
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magnetic pulse forming
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peen forming
UNIT 5:
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Types and characteristics of plastics
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injection moulding
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Compression moulding
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Transfer Moulding
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introduction to blow moulding
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Rotational moulding
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Film blowing
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Extrusion
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Thermoforming