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MV1202 MANUFACTURING TECHNOLOGY
UNIT-I
Metal joining processes: Classification plastic welding, fusion welding, solid phase welding and sub classification. Study of power sources, electrodes, processes and applications: SMAW, SAWM, GTAW, GMAW, PAW, electro gas welding and electric, resistance welding. Gas welding, oxy acetylene cutting, brazing and soldering. Under water welding. Defects and Inspection of welded joints.
UNIT-II
Casting Processes: Sand casting, pattern and core making, moulding, moulding sand properties, gating and riser, moulding methods, melting furnaces – cupola, pit furnace and electric furnaces. Special casting processes – shell, investment, die casting – pressure and gravity types. Plastic moulding – injection and blow moulding, defects in casting and moulding – testing and inspection.
UNIT-III
Finish processes: Surface finishing processes: grinding processes, various types of grinders, work holding devices, grinding wheels and specification, selection of grinding wheels for specific applications – selection of cutting speed and work speed. Fine Finishing Process: Lapping, honing, and super finishing process.
UNIT-IV
Metal forming processes: Hot and cold working processes – rolling, forging, drawing and extrusion processes, bending, hot spinning, shearing, tube and wire drawing, cold forming, shot peening. Sheet metal working – blanking, piercing, punching, trimming, Bending – types of dies – progressive, compound and combination dies. High-energy rate forming processes.
UNIT-V
Machining processes: Lathe: working principle, classification, specification accessories, lathe and tool holders, different operations on a lathe, methods of taper turning machining time and power required for cutting, turret and capstan lathes.
Drilling and boring: machines- classification, specification, cutters speed feed, machining time parts and description of parts parts-boring machines- jig borer –description, types and hole location procedures.
Milling: classification, principle, parts- specification milling cutters indexing, selection of milling m/c fundamentals of inches processes, milling processes and operations
TEXT BOOKS
1. Hajra Choudhary S.K., “Elements of Manufacturing Technology”, Vol. II, 11th edition, Media Publishers, Mumbai, 1997.
2. Rao.P.N., “Manufacturing Technology, Metal Cutting and Machine Tools”, Tata McGraw-Hill,2000.
REFERENCES
1. Jain K.C. Agarwal, L.N. “Metal Cutting Science and Production Technology”, 1st edition, Khanna Publishers, 1986.
3. Chapman W.A.J., “Workshop Technology”, Vol. II, Arnold Publishers.
2. H.M.T., “Production Technology”, Tata McGraw-Hill, New Delhi, 2000.
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