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Subject Details
Dept     : MECH
Sem      : 3
Regul    : 2023
Faculty : Mr.P.Divyakumar
phone  : NIL
E-mail  : divith200@gmail.com
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Lecture Notes

UNIT 1:
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Sand Casting: Sand Mould , Sand Properties
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Core making - Pattern Materials, Type of material , allowances
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Types of melting furnaces ,Solidification & Cooling , Special casting processes
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Special casting processes: Types
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Gas welding -Types -Flame characteristics
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Types of Special Welding Processes Electron Beam welding
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Friction Stir Welding.
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Brazing, soldering and Adhesive Bonding - Weld defects – Simulation of Welding – Applications
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Brazing, soldering and Adhesive Bonding - Weld defects – Simulation of Welding – Applications
UNIT 2:
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Mechanical working of Metals- Plastic deformation theory
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Principles - Hot working and cold working of metals
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Forging-Types
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Extrusion, Drawing processes
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Sheet metal Processes and characteristics
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Special forming Processes
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Types - Rubber pad forming - Explosive forming - peen Forming
UNIT 3:
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Forces in machining - Types of chip - cutting tools
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Mechanics of chip formation - single point cutting tool
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Nomenclature - orthogonal
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Oblique metal cutting - thermal aspects - cutting tool materials
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Tool wear - tool life - surface finish cutting fluids and Machinability
UNIT 4:
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Milling operations –types of milling cutter
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Milling operations –types of milling cutter
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Gear shaping and finishing process.
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Typical applications – broaching
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Abrasive processes -grinding wheel - specifications
UNIT 5:
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Need for NDT - LBM
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EBM – EDM
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EBM – EDM
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Wire cut – waterjet
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Need for NDT - LBM
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Electro chemical machining-equipment -Micro fabrication process