MF8791 - METAL FORMING TECHNOLOGY (Syllabus) 2017-regulation Anna University

MF8791 - METAL FORMING TECHNOLOGY (Syllabus) 2017-regulation Anna University

MF8791

METAL FORMING TECHNOLOGY

 LPTC

3003

OBJECTIVE:
• To understand the principle, procedure and applications of Bulk Metal Forming and Sheet Metal Forming.

UNIT I

FUNDAMENTALS OF METAL FORMING

9

State of stress – Components of stress, symmetry of stress tensor, principal stresses – Stress deviator – von-mises, Tresca yield criteria – Octahedral shear stress and shear strain theory – Flow stress determination – Temperature in metal forming – Hot, cold and warm working – strain rate effects –metallurgical structures – residual stresses – Spring back.

UNIT II

FORGING AND ROLLING

9

Principle – classification – equipment – tooling – processes parameters and calculation of forces during forging and rolling processes – Ring compression test - Post forming heat treatment – defects (causes and remedies) – applications – Roll forming.


UNIT III

EXTRUSION AND DRAWING PROCESSES

9

Classification of extrusion processes – tool, equipment and principle of these processes – influence of friction – extrusion force calculation – defects (causes and remedies) – Rod/Wire drawing – tool, equipment and principle of processes – defects – Tube drawing and sinking processes – mannessmann process of seamless pipe manufacturing – Tube bending.

UNIT IV

SHEET METAL FORMING PROCESSES

9

Classification – conventional and HERF processes – presses – types and selection of presses – formability studies – FLD, Limiting Draw ratio - processes: Deep drawing, spinning, stretch forming, plate bending, Rubber pad forming, bulging and press brake forming – Explosion forming, electro hydraulic forming, Magnetic pulse forming.

UNIT V

RECENT ADVANCES

9

Super plastic forming – Electro forming – fine blanking – Hydro forming – Peen forming – Laser Forming – Micro forming - P/M forging – Isothermal forging – high speed hot forging – near net shape forming high velocity extrusion – CAD and CAM in forming.

TOTAL : 45 PERIODS

OUTCOMES: Upon completion of this course, the students can able to
• To understand the fundamental mechanics of metal forming processes
• To learn the principle, classification, equipments used and applications of Rolling and Forging Processes
• To learn the principle, classification, equipment’s used and applications of Extrusion and Drawing Processes
• To understand the principle, procedure of various sheet metal forming processes
• To study about the recent advances in technology for metal forming

TEXT BOOKS:
1. Dieter G.E., “Mechanical Metallurgy”, McGraw Hill, Co., S.I. Edition, 2001
2. Nagpal G.R. “Metal forming processes”, Khanna publishers, New Delhi, 2004

REFERENCES:
1. Serope Kalpakjian, Steven R Schmid, “Manufacturing Process for Engineering Materials”, 4th Edition, Pearson Education, 2003.
2. Rao, P.N. “Manufacturing Technology”, TMH Ltd., 2003
3. Edward M.Mielink, “Metal working Science Engineering", McGraw Hill, Inc, 2000.
4. Metal Handbook Vol.14, “Forming and Forging”, Metal Park, Ohio, USA, 1990

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