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MY1301 FOUNDRY ENGINEERING
1. PATTERN PREPARATION AND MOULDING
Introduction to foundry operations, patterns - functions, types, allowances, selection of pattern materials, colour codes, core boxes, moulding practice, ingredients of moulding sand and core sand, Testing of Moulding sands. Sand preparation, Sand moulding: green sand moulding, dry sand moulding, skin dry sand moulding, core sand moulding, loam moulding, fluid sand process, shell moulding, pit and floor moulding, carbon-di-oxide process.
2. MELTING PRACTICE
Melting practice and special precautions for steels, alloy steels, cast irons, aluminium alloys, copper alloys and magnesium alloys, safety considerations, fluxing, degassing and inoculation
3. CASTING TECHNIQUES
Sand casting, permanent mould casting, die casting, centrifugal casting, plaster mould casting, investment casting, continuous casting, squeeze casting, full mould process.
4. DESIGN OF CASTINGS AND FOUNDRY METALLURGY
Elements of gating system, types, design of gating system with examples, functions of risers, types of risers, Chvorinov’s rule, design and positioning of riser with examples, directional solidification, use of chills, exothermic compounds etc., riser efficiency, yield calculations. Concepts of pouring, solidification and shrinkage, inoculation and modification of cast irons and Al-Si systems.
5. ETTLING, INSPECTION AND AUTOMATION
Cleaning and repair of castings. Casting defects and remedies. Heat treatment of castings. Inspection of casting. Principles of mechanisation, automation and foundry layout. Pollution control and safety considerations in foundries. Functional design, simplification of foundry practices, metallurgical design
TEXT BOOKS
1. Heine. R.W., Loper. C.R.,Rosenthal, P.C. “Principles of Metal Casting”, Tata McGraw-Hill Publishing Co., Ltd., New Delhi, 1995.
2. Jain.P.L., “Principles of Foundry Technology”, Tata McGraw-Hill Publishing Co., Ltd., New Delhi, 1995.
REFERENCES
1. Ramana Rao.T.V. “Metal Casting Principles and Practice”, New Age Pub. Co., New Delhi, 1996.
2. Beeley.P.R., “Foundry Technology”, Butterworths, London, 1982.
3. Srinivasan.N.K, “Foundry Engineering”, Khanna Tech Publications, New Delhi, 1994.
4. ASM Metals hand Book. Vol. 15. “Casting”, ASM International, 10th Edition, 1991
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| Author: Vidya 23 May 2008 | Member Level: Diamond Points : 2 |
useful topic
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