MF8501 - CASTING AND WELDING TECHNOLOGY (Syllabus) 2017-regulation Anna University

MF8501 - CASTING AND WELDING TECHNOLOGY (Syllabus) 2017-regulation Anna University

MF8501

CASTING AND WELDING TECHNOLOGY

 LPTC

3003

OBJECTIVES: At the end of this course the student should be able to understand
• Melting procedure of various materials
• Design principles of welding and casting
• Principles of advanced welding and casting processes
• Automation of welding and casting plant

UNIT I

MELTING AND POURING

9

Principles of melting practice-fluxing- Degasification and inoculation- types of furnaces-Crucibles, Cupola, Oil fired furnaces – Electric arc and induction furnaces – Melting practice of cast iron, SG iron, steel, aluminum and copper alloys.

UNIT II

CASTING DESIGN

9

Solidification of pure metals and alloys-shrinkage in cast metals-design of sprue, runner ,gate and risers-problems in design and manufacture of thin and unequal sections-designing for directional solidification, minimum distortion and for overall economy-design problems of L,T,V,X and Y junctions.


UNIT III

WELD DESIGN AND WELDING METALLURGY

9

Design of welded components-symbolic representation of welds on drawings- welding classes- residual stresses in welds-weld distortions-design consideration-strength consideration of welded joints-analysis of statistically loaded welded joints-welded structures subjected to fatigue loads.

UNIT IV

SPECIAL CASTING AND WELDING PROCESSES

9

Evaporative pattern casting-ceramic mould casting –electro magnetic moulding-squeeze casting – investment casting-shell moulding- PAW-electron beam welding-laser beam welding- friction welding-ultrasonic welding – diffusion welding-high velocity oxy fuel processes

UNIT V

QUALITY CONTROL AND AUTOMATION

9

Cleaning and inspection of castings – Casting defect and remedies – foundry automations- moulding machines-Automation of sand plant, moulding and fettling sections of foundry-Dust and fume control-Welding defects –causes and remedies – Non destructive tests – arc welding using robots-weld positioner and manipulators –weld seam tracking-vision system-arc sensing Welding

TOTAL : 45 PERIODS

OUTCOMES:
• Ability to design welding and casting component
• Ability to perform quality control and inspection.

TEXT BOOKS:
1. Parmar,R.S., “Welding Processes and Technology”, Khanna Publishers, 1997
2. Jain,P.L., “Principles of Foundry Technology”, Tata McGraw Hill, 2003.

REFERENCES:
1. ASM, “A.S.M Hand book: Vol 15, Casting”:,ASM international, 1988 2. Klas Weman, “Welding Processes Handbook", CRC press, 2003 3. Cary and Howard,B., “Modern Welding Technology”, Prentice-Hall, 1989. 4. Heine, R.W., Loper.L.R., and Rosenthal,C, “Principles of Metal Casting”, Tata McGraw Hill, 1986. 5. Minkoff,J., “Solidification and Cast structure”, Wiley, 1986 6. Davies, A.C., “Welding”, 10th Edition, Cambridge University Press, 1996.

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