Mechanical Engineering(4th Sem.)
Manufacturing Science - I__________________________________1. Unit-1
2. Unit-2
3. Unit-3
4. Unit-4
5. Unit-5
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Manufacturing Science - I SyllabusUNIT – I
Introduction to Manufacturing Processes: Importance of manufacturing processes, classification, economic and technological definitions of manufacturing processes. Foundry Pattern making - Types, material, allowances, colour codes, core – types, materials and its properties. Mould Making - Types of sand moulding, design considerations, moulding machines & moulding procedure, moulding sand – types, properties, composition and applications. Casting - Procedure, Melting furnaces, casting defects, Special Casting Processes - Investment casting, centrifugal casting, shell moulding, CO2 moulding, slush casting, die casting. UNIT – II Welding Principles of Welding, survey and allied processes Arc Welding Power Source and Consumable, MMAW, TIG and MIG processes and their parameter selection, atomic hydrogen welding, welding of cast iron, welding electrode – types, composition, specification. Resistance Welding Principle, equipment and processes. Thermit Welding, brazing & soldering, Internal and external welding defects, Inspection & testing of weld. UNIT – III Powder Metallurgy Powder Manufacturing, compacting and sintering processes, Advantages, limitations and applications of powder metallurgy . Manufacturing of Plastic Components Advantages, application and principle of the following processes, extrusion, injection moulding, compression moulding, transfer moulding, blow moulding . UNIT – IV Machine Tools Lathe Introduction, type, specification, construction, work holding devices & tools, mechanism and attachments for various operations, taper turning, thread cutting operations on Lathe, capston and turret lathe. Shaper Introduction, type, specification, Quick return Mechanisms, Table feed mechanism, work holding devices, shaper operations Slotter & Planner Introduction, specification, types of drives, types of machines. Milling Introduction, specification, types, mechanisms and attachments for milling, milling operations, Indexing-simple, compound and differential. UNIT – V Drilling Introduction, drill nomenclature, types of drilling machines, other operations like counter boring, counter sinking, spot facing etc. Reaming Introduction, description of reamers, type of reaming operations. Boring Introduction, types of boring machines, boring operations, boring tools Broaching Introduction, types of broaches, nomenclature of broach, types of broaching machines. Surface finishing operations Honing, lapping, super finishing, polishing, buffing, process parameters and attainable grades of surface finish. |
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