511105 Tool & Die Design – Elective II
Teaching Scheme Examination Scheme
Lectures: 3 hrs/week Theory: 100 Marks
Duration: 3 hours
Credits - 3
1. Cutting Tool Design
Fundamentals of Cutting tools design, cutting tools and their principal elements, Tool
geometry, system of nomenclatures and their interrelations, setting for the grinding of various
basic cutting tool (turning, drilling, milling)
2. Analyses and Design of Jigs and Fixture
Principles of jig and fixture design, Dual cylinder location, diamond pin analysis, V-block
analysis, design principles of centralisers, various mechanisms and design of equalizers,
analysis for optimum number of clamping forces required and calculation of their
magnitudes, concept of modular fixtures, design of fixtures for NC/CNC machines, computer
applications in fixture design and analysis.
3. Design of press tools:
Components of die design, design of die blocks, punches and strippers, methods of holding
punches, sketches of stock stops, Design procedure for progressive dies, compound dies and
combination dies for press tool operation forging die design for drop and machine forging
parts. Computer applications in press tool design.
4. Design of forging dies:
Grain flow considerations, parting line selection, draft, design problems involving ribs,
bosses and fillets. Flash and flash control, determination of number of impressions required
and their sequence, design steps and analysis of forging dies, detail calculations, shrinkage,
cavity shapes, heat transfer considerations, cooling and ejection systems, automation in
forging operations, computer aided design and analysis.
5. Design of injection molds
Principles of melt processing, product considerations, determination of economical number
of cavities, temperature control of injection molds, calculation of mold opening force and
ejection force. Detail design of cooling system, ejection system and gating system.
Moldability features, mold flow analysis.
6. Die casting die design
Metals for die casting, specific details of die construction, casting ejectors, side cores, loose
die pieces, slides, types of cores, directional solidification, types of feeders, die venting,
water cooling, design aspects of die casting dies, defects.
References
1. Cole: “Tool Design”
2. Donaldson: “Tool Design”, Tata McGraw Hill.
3. ASTEM: “Fundamentals of Tool Design”
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4. P.C.Sharma: “A Textbook of Production Engineering”., S.Chand Publication, N.Delhi
5. Ivana Suchy, “Handbook of Die Design”, 2nd edition McGraw Hill.
6. Ventatraman, “Design of Jigs, Fixtures and Press Tools”, Ascent Series Tata McGraw Hill.
7. Deshpande D. L., “Basic Tools”, 2nd edition University Press.
Reference http://www.unipune.ernet.in/stud_info/Syllabi/Syllabus_2008.html
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