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I.F.T.M. UNIVERSITY, MORADABAD STUDY & EVALUATION SCHEME B.TECH Mechanical Engineering Effective from Session 2012 - 13 EME - 502: Machine Design-I L T P 3 1 0 UNIT I (a) Introduction: Definition, Design requirement of machine component, Design procedure, Types of design, Standards in design, preferred numbers, Indian standards of designation of cast iron and different types of steel, Ergonomics in design, Aesthetic consideration in design. (b) Material properties and selection for design: Stress strain diagram, Mechanical properties, cast iron, plain carbon steel, Alloy steels, Heat treatment process, Non ferrous metals and their alloys, Ceramics, Plastics, Nature and synthetic rubber, Creep, Selection of material. UNIT 2 (a) Design for static load: Types of failure, Factor of safety, Shear stress and shear strain, Stresses due to bending and torsion, Eccentric loading, Principal stresses, Theories of failure, selection and use of theories of failure, Design of simple machine component and lever. (b) Design for fluctuating load: Stress concentration, stress concentration factor, Fluctuating stress, Fatigue failure, Endurance strength, Notch sensitivity, Endurance strength approximation, Fatigue design under combined stress, Use of Gerber equation, and Goodman and soderberg method. UNIT 3 (a) Power screws: Introduction, Forms of thread, Terminology of power screws, Torque requirement to raise and to lower the load, Efficiency of Screw, ACME Thread, Collar friction, Design of screw jack, Recirculation ball screws. (b) Shaft, Keys and coupling: Introduction, Shaft design based on strength, Torsional rigidity, ASME code for design, Design of hollow shaft, Keys: Introduction, Types, Designing Coupling: Introduction, Requirement of coupling, Flexible and rigid coupling. UNIT 4 (a) Springs: Introduction, Types, Terminology, Material, End connection, Stress& deflection in springs, Design of helical spring for static and fluctuating load, Surge and Buckling of spring, Leaf springs, nipping of leaf springs, designing of leaf springs. (b) Riveted joint: Introduction, Method of riveting, Materials, Types, Caulking and fullering, Failure of joint, Efficiency, Design of boiler joint. UNIT 5 (a) Welded joint: Introduction, Types, Strength, Axially loaded unsymmetrical welded joint, eccentric loading of welded joint, Welded joint subjected to bending and torsion. (b) Design of miscellaneous element: Oil seals, Wire ropes, Stress in wire ropes, Rope sheaves and drums, buckling of columns. References 1. Design of machine element (B.V.Bhandri) 2. Machine Design (R.S.khurmi) 3. Machine Design (Sharma & Agrawal) 4. Machine Design (S.Kulkarni) 5. Machine Design (Maleeve and Hartman) 6. Machine Design (Shigley) 7. Machine Design (Hall and holowenko)
I.F.T.M. UNIVERSITY, MORADABAD STUDY & EVALUATION SCHEME B.TECH Mechanical Engineering Effective from Session 2012 - 13 EME – 503: Manufacturing Engineering – I L T P 2 1 0 Unit-1 Introduction: Importance of manufacturing. Economic & technological considerations in manufacturing. Classification of manufacturing processes. Materials & manufacturing processes for common items. Metal Forming Processes: Elastic & plastic deformation, yield criteria. Hot working vs cold working. Analysis (equilibrium equation method) of forging process for load estimation with sliding friction sticking friction and mixed condition for slab and disc. Work required for forging, Hand, Power, Drop Forging. Unit-2 Metal Forming Processes (continued): Analysis of Wire/strip drawing and maximum-reduction, Tube drawing, Extrusion and its application. Condition for Rolling force and power in rolling. Rolling mills & rolled-sections. Design, lubrication and defects in metal forming processes. Unit-3 Sheet Metal working: Presses and their classification Die & punch assembly and press work methods and processes. Cutting/Punching mechanism, Blanking vs Piercing. Compound vs Progressive die. Flat-face vs Inclined-face punch and Load (capacity) needed. Analysis of forming process like cup/deep drawing. Bending & spring-back. Unit-4 Unconventional Metal forming processes: Unconventional metal forming processes such as explosive forming, electromagnetic, electro-hydraulic forming. Powder Metallurgy: Powder metallurgy manufacturing process. The need, process, advantage and applications. Jigs & Fixtures: Locating & Clamping devices & principles. Jigs and Fixtures and its applications. Manufacturing of Plastic components: Review of plastics, and its past, present & future uses. Injection molding. Extrusion of plastic section. Welding of plastics. Future of plastic & its applications. Resins & Adhesives. Unit-5 Casting (Foundry) Basic principle & survey of casting processes. Types of patterns and allowances. Types and properties of moulding sand. Elements of mould and design considerations, Gating, Riser, Runners, Core. Solidification of casting. Sand casting, defects & remedies and inspection. Cupola furnace. Die Casting, Centrifugal casting. Investment casting, CO2 casting and Stir casting etc. Books : 1. Manufacturing Science by Ghosh and Mallik 2. Production Engg. Science by P.C. Pandey 3. Production Technology by R.K. Jain 4. Manufacturing Technology by P.N. Rao., TMH 5. Materials and Manufacturing by Paul Degarmo. 6. Manufacturing Science by KM Moeed. 7. Manufacturing Engineering & Technology by Kalpakjian, Pearson Pub.
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