Unit 1 Foundry Technology

10 lecture hours

• Pattern Practices: Types of patterns
• pattern allowances, and materials used for patterns
• Moulding materials and moulding sands
• properties of moulding sand, and sand testing methods such as grain fineness
• moisture content
• clay content, and permeability
• Core materials and core making
• core prints
• core boxes, and chaplets
• Moulding practices including green sand
• dry sand, and loam sand moulding
• pit and floor moulding
• shell moulding
• permanent moulding
• and carbon dioxide (CO₂) moulding
• Casting Practices: Fundamentals of metal casting
• sand casting
• shell mould casting
• plaster and ceramic mould casting
• investment casting
• vacuum casting
• permanent mould casting
• and slush casting
• Pressure casting and die casting
• centrifugal casting
• continuous casting
• and squeeze casting
• Casting alloys
• casting defects, and design of castings including gating system and riser design
• Melting furnaces such as rotary
• pit electric
• tilting, and cupola furnaces

Unit 2 Metal Joining Processes

• Principles of welding
• brazing, and adhesive bonding
• Classification of welding and allied processes
• Gas welding and gas cutting
• including oxy-acetylene welding equipment
• Arc welding
• power sources, and consumables
• Resistance welding processes such as spot
• projection, and seam welding
• Advanced welding processes including atomic hydrogen
• plasma arc, laser beam, and electron beam welding
• Special welding processes such as TIG, MIG, friction, and explosive welding
• Welding of cast iron (C.I.) and aluminium (Al)
• Welding defects
• electrodes and electrode coatings, and welding positions. 10 Program Name: Bachelor of Engineering Level: UG Branch: Mechanical
• Production and Mechatronics Subject Code: BE05000311 Subject Name: Manufacturing Technology

Unit 3 Forming and Shaping Processes

10 lecture hours

• Metal working
• elastic and plastic deformation
• hot and cold working
• concept of strain hardening
• Cold working processes such as shearing
• deep drawing
• coining, and embossing
• Rolling: principle and operations, and roll pass sequence
• Extrusion, and wire and tube drawing processes
• Forging: methods of forging
• forging hammers and presses, and principles of forging tool design
• Metal working defects
• cold heading
• thread rolling
• bending, and forming operations

Unit 4 Microsystems Fabrication Technology

10 lecture hours

• Microsystem Technology (MEMS/NEMS): Definition and classification of microsystems
• Microfabrication techniques including photolithography (process steps and masks)
• etching processes such as wet etching and dry etching (plasma
• reactive ion etching - RIE), and deposition techniques including Physical Vapour Deposition (PVD) and Chemical Vapour Deposition (CVD)
• Doping and ion implantation
• Micromachining processes: bulk micromachining
• surface micromachining
• LIGA process, and laser micromachining
• Recent trends and applications including basics of nanofabrication
• 3D micro/nano printing
• lab-on-chip systems, and industrial and biomedical applications

Unit 5 Plastic Technology

5 lecture hours

• classification of plastics
• ingredients of moulding compounds
• general properties of plastics
• plastic part manufacturing processes such as compression moulding
• transfer moulding
• injection moulding
• extrusion moulding
• blow moulding
• slush moulding, and laminating