←Mechanical Engineering
Semester 6
Theory
Design of Machine Elements (102601) - 3 Credits
3L + 0T + 0P Unit-1.0: 8 hrs Introduction to design: Steps in design process, design factors, practical considerations in design, selection of materials, strength of mechanical elements, impact load, shock load, fatigue loading, effects of surface, size, temperature and stress concentration, consideration of creep and thermal stress in design. Unit-2.0: 8 hrs Design of shafts: stresses in shafts, design of static loads, combined stresses, reversed bending and steady loads, design of shafts based on deflection and strength, critical speed of shafts. Analysis and design of sliding and rolling contact bearings. Unit-3.0: 9 hrs Riveted joint: Stresses in riveted joint, design of riveted joints with central and eccentric loads, boiler and tank joints, structural joints. Bolt Joints: Stresses in bolt joint, design of bolt joints with central and eccentric loads. Welded joints: types of welded joints, stresses, design of welded joints subjected to axial, torsional and bending loads, welds subjected to fluctuating loads. Unit-4.0: 7 hrs Design of Clutches: Friction clutches, uniform wear and uniform pressure assumptions, centrifugal clutches. Brakes: Design of internal expansion elements, assumptions, design of external contraction elements, band type brakes. Unit-5.0: 4 hrs Design of transmission elements: spur, helical, bevel and worm gears. Unit-6.0: 6 hrs Springs: stresses in helical springs, deflection of helical compression and tension springs, springs subjected to fatigue loading, concentric and helical torsion spring, critical frequency of springs, leaf springs, and design of automotive leaf springs.
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Dynamics of Machinery (102602) - 3 Credits
3L + 0T + 0P Unit 1.0- 4 hrs Force analysis of mechanism: Dynamics of plane motion of a rigid body, dynamically equivalent two mass system, correction torque, forced in mechanism and machines. Unit 2.0- 6 hrs Turning moment diagram: Fluctuations of crankshaft speed and energy in a direct acting engine mechanism, flywheels. Unit 3.0 – 8 hrs Cams: Classification of cams and followers, types of follower and retardation, cam profile and generation of concentric and offset radial cam profiles by graphical method. Cams with specified contours tangent cam with roller follower, circular arc cam with flat follower. Unit 4.0- 8 hrs Analysis of gyroscopic motion : Principle of gyroscope, gyroscopic couple and gyroscopic reaction couple, Gyroscopic effects on the movement of ships, aeroplanes, two wheeled and four wheeled vehicles, gyrostabilizers. Unit 5.0 – 7 hrs Effects of inertia of reciprocating masses on engine frame: Unbalanced primary and secondary forces and couples, balancing of primary and secondary forces, partial balancing of locomotives, balancing of multicylinder in line and radial engines, direct and reverse cranks methods for balancing of radial engines. Unit 6.0- 9 hrs Mechanical vibrations : Basic concepts degree of freedom, types of damping and viscous damping; natural free, damped free and damped forced vibrations of a single degree of freedom spring mass system, reciprocating and rotating unbalance, vibration isolation and transmissibility, whirling of shaft, elementary treatment of two degree of freedom systems torsional vibrations of single rotor and two rotor systems, transverse vibration of simply supported beam energy method, Rayleigh’s and Dankerley method.
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Manufacturing Technology (102603) - 3 Credits
3L + 0T + 0P Unit- 1.0: 7 hrs Tooling for conventional and non-conventional machining processes: Mould and die design, Unit- 2.0: 7 hrs Press tools, Cutting tools; Holding tools: Jigs and fixtures, principles, applications and design; press tools –configuration, design of die and punch; principles of forging die design. Unit- 3.0: 7 hrs Metrology: Dimensions, forms and surface measurements, Limits, fits and tolerances; linear and angular measurements; comparators; gauge design; interferometry. Unit- 4.0: 7 hrs Metrology in tool wear and part quality including surface integrity, alignment and testing methods; tolerance analysis in manufacturing and assembly. Process metrology for emerging machining processes such as microscale machining, Inspection and workpiece quality. Unit-5.0: 5 hrs Assembly practices: Manufacturing and assembly, process planning, selective assembly, Material handling and devices. Unit- 6.0: 9 hrs Unconventional Machining Processes: Abrasive Jet Machining, Water Jet Machining, Abrasive Water Jet Machining, Ultrasonic Machining, principles and process parameters. Electrical Discharge Machining, principle and processes parameters, MRR, surface finish, tool wear, Dielectric, power and control circuits, wire EDM; Electro-chemical machining (ECM), etchant & maskant, process parameters, MRR and surface finish. Laser Beam Machining (LBM), Plasma Arc Machining (PAM) and Electron Beam Machining.
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Automation in Manufacturing (102605) - 3 Credits
3L + 0T + 0P Unit- 1.0: 5 hrs Introduction: Why automation, Current trends, CAD, CAM, CIM, Rigid automation: Part handling, Machine tools. Unit- 2.0: 7 hrs Flexible automation: Computer control of Machine tools and Machining centres, NC and NC part programming, CNC-Adaptive Control, Automated Material Handling. Assembly, Flexible fixturing. Unit- 3.0: 6 hrs Computer Aided Design: Fundamentals of CAD-Hardware in CAD-Computer Graphics software and Data Base, Geometric modelling for downstream applications and analysis methods. Unit- 4.0: 7 hrs Computer Aided Manufacturing: CNC Technology, PLC, Micro-controllers, CNC Adaptive control. Unit-5.0: 8 hrs Low cost automation: Mechanical & Electromechanical systems, Pneumatic and Hydraulics, Illustrative examples and case studies. Unit- 6.0: 9 hrs Introduction to Modeling and Simulation: Product design, process route modelling, Optimization techniques, Case studies & Industrial applications.
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Renewable Energy Systems (Open Elective I) (102611) - 3 Credits
3L + 0T + 0P Unit 1.0- 8 hrs Principles of Renewable Energy: Introduction, Energy and sustainable development, Fundamentals, Scientific Principles of renewable energy, Technicle implications, Social implications, Problems. Unit 2.0- 8 hrs Solar radiation: Introduction, Exatra- terrestrial solar radiation, Components of radiation, Geometry of collector and the solar beam, Effects of the Earth’s atmosphere Measurements of solar radiation, Estimation of solar radiation, Solar wate heating: Introduction, Calculation of heat balance: general remarks, Uncovered solar water heaters- progressive analysis, Improved solar water heaters, Prograssive analysis, Improved solar water heaters, Evacuated collectors, Buildings and other solar thermal applications. Air heaters, Crop driers, Space cooling, Water desalination, Solar ponds, Solar concentrators, Solar thermal electric power systems, Problems. Unit 3.0- 6 hrs Photovoltaic generation: Introduction, The silicon p-n Junction, Photon absorption at the Junction, solar radiation absorption, Maximizing cell efficiency, Solar cell construction, Applications, Problems, Unit 4.0- 6 hrs Hydro- power: Introduction, Principles, Assessing the resource for small installations, An inpulse turbine Reaction trubines, Hydroelectric systems. the hydraulic ram pump, Problems. Unit 5.0 – 8 hrs Power from the wind: Introduction, Turbine types and tems, Linear momentum and basic theory, Dynamics matching, Blade element theory, Contents Characteristics of the wind, Power extraction by a turbine, Electricity generations, Mechanical power, Problems. Unit 6.0- 8 hrs Biomass and Biofuels: Introduction, Biofuel classification, Biomass production for energy faming, Direct combustion for heat, Pyrolysis (destructive distillation), Further thermochemical processes, Alcoholic fermentation, Anaerobic digestion for biogas, Wastes and residues, Vegetable oils and biodiesel, Problems.
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Program Elective I
Process Planning and Cost Estimation (102606) - 3 Credits
3L + 0T + 0P Unit-1.0 8 hrs Introduction of Process Planning- methods of process planning, drawing interpretation. Unit-2.0- 5 hrs Material evaluation, steps in process selection, production equipment and tooling selection. Unit-3.0 8 hrs Process planning activities- process parameter calculation for various production processes, selection of jigs and fixtures, selection of quality assurance methods, documents for process planning, economics of process planning, case studies. Unit-4.0 8 hrs Introduction to cost estimation- importance of costing and estimation, method of costing, elements of cost estimation, types of estimates, estimating procedure, estimation of labor cost, material cost, allocation of overhead charges, calculation of depreciation cost. Unit-5.0 6 hrs Machining time estimation- importance of machine time calculation, machining time for different lathe operations, drilling and boring time calculation, Machining time calculation for Milling, Shaping. Planning and Grinding. Unit-6.0 7 hrs Production costs- different production processes for different jobs, estimation of forging cost, estimation of welding cost, estimation of foundry cost, estimation of machining cost.
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Power Plant Engineering (102610) - 3 Credits
3L + 0T + 0P Unit-1.0: 7 hrs Power plants – types and classification based on energy sources. Unit-2.0: 7 hrs Basic Rankine cycle and its modifications; Layout of modern coal power plant; Super critical boilers, FBC boilers; Turbines, condensers, steam and heating rates; Subsystems of thermal power plants; Fuel and ash handling; Draught system; Feed water treatment; Binary cycles and cogeneration systems. Unit-3.0: 7 hrs Brayton cycle analysis and optimization; Components of gas turbine power plants; Combined cycle power plants; Integrated Gasifier based Combined Cycle (IGCC) systems. Unit-4.0: 7 hrs Basics of nuclear energy conversion; Layout and subsystems of nuclear power plants; Boiling Water Reactor (BWR); Pressurized Water Reactor (PWR); CANDU Reactor; Pressurized Heavy Water Reactor (PHWR); Fast Breeder Reactors (FBR); Gas cooled and liquid metal cooled reactors; Safety measures for nuclear power plants. Unit-5.0: 7 hrs Hydroelectric power plants, hydrological cycle, Rainfall & run-off measurement & plotting of various curves for estimating stream flow, site selection, classification, comparison with other types of power plant, typical layout and components, Principles of wind, tidal, solar photo-voltaic, solar thermal, geothermal, biogas and fuel cell power systems. Unit-6.0: 7 hrs Economic and environmental issues; Power tariffs; Load distribution parameters; Load curve; Capital and operating cost of different power plants; Pollution control technologies including waste disposal options for coal and nuclear plants.
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Microprocessors in Automation (102608) - 3 Credits
3L + 0T + 0P Unit-1.0 6 hrs Number Systems, codes, digital electronics: Logic Gates, combinational circuits design, Flip-flops, Sequential logic circuits design: Counters, Shift registers. Unit-2.0 6 hrs Introduction to 8085 Functional Block Diagram, Registers, ALU, Bus systems, Timing and control signals. Unit-3.0 6 hrs Machine cycles, instruction cycle and timing states, instruction timing diagrams, Memory interfacing. Unit-4.0 9 hrs Assembly Language Programming: Addressing modfes, Instruction set, simple programs in 8085; Concept of Interrupt, Need for Interrupts, Interrupt stucture, Multiple Interrupt requests and their handling, Programmable interrupt controller; Interfacing pheripherals: Programmable peripheral interface (8255). Unit-5.0 8 hrs Interfacing Analog to Digital Converter & Digital to Analog converter, Multiplexed seven segments LED display systems, Stepper Motor Control, Data Communication: Serial Data communication (8251), Programmable Timers (8253); 8086/8088 Microprocessor and its advanced features, Unit-6.0 7 hrs Introduction to Digital Control: Sampling theorem, Signal conversion and Processing, Z- Transform, Digital Filters, Implementation of Digital Algorithm.
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Program Elective II
Mechatronics Systems (102607) - 3 Credits
3L + 0T + 0P Unit 1.0- 8 hrs Introduction: Definition of Mechanical Systems, Philosophy and approach; Systems and Design: Mechatronics approach, Integrated Product Design, Modeling, Analysis and Simulation, Man- Machine Interface; Unit 2.0- 8 hrs Sensors and transducers: classification, Development in Trransducer technology, Opto- electronics Shaft encoders, CD Sensors, Vision System, etc. Unit 3.0- 6 hrs Drives and Actuators: Hydraulic and Pneumatic drives, Electrical Actuators such as servo motor nad Stepper motor, Drive Circuits, open nad closed loop control; Embedded Systems: Hardware Structure, Software Design nad Communication, Programmable Logic Devices, Automatic Control and Real Time Control Systems; Unit 4.0- 6 hrs Smart materials: Shape Memory Alloy, Piezoelectric and Magnetostrictive Actuators: Materials, Statics and dynamic characteristics, illustrative examples for positioning, vibration isolation, etc. Unit 5.0 – 8 hrs Micromechatronic systems: Microsensors, Microactuators; Micro-fabrication techniques LIGA Process: Lithography, etching, Micro- joining etc. Unit 6.0- 8 hrs Application examples; Case studies Examples of Mechatronic Systems from Robotics Manufacturing, Machine Diagnostics, Road vehicles and Medical Technology
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Composite Materials (102609) - 3 Credits
3L + 0T + 0P Unit-1.0: 7 hrs Definition and applications of composite materials, Fibers-glass, carbon, ceramic and aramid fibers; Matrices-polymer, graphite, ceramic and metal matrices; characteristics of fibers and matrices. Unit-2.0: 7 hrs Lamina assumptions, macroscopic viewpoint, generalized Hookes law, reduction of homogenous orthotropic lamina, isotropic limit case, orthotropic stiffness matrix, commercial material properties, rule of mixtures, transformation matrix, transformed stiffness. Unit-3.0: 7 hrs Manufacturing of composite materials, bag moulding, compression, pultrusion, filament welding, other manufacturing processes. Unit-4.0: 7 hrs Basic assumptions of laminated anisotropic plates, symmetric laminates, angle ply plates, cross ply laminates, laminate structural moduli, evaluation of lamina properties, determination of lamina stresses, maximum stress and strain criterias, Von Mises yield criterion for isotropic materials. Unit-5.0: 7 hrs Generalized Hill’s criterion for anisotropic materials, Tsai-Hill’s criterion for composites, prediction of laminate failure, thermal analysis of composite laminates. Unit-6.0: 7 hrs Analysis of laminated plates-equilibrium equations of motion, energy formulation, static bending analysis, buckling analysis, free vibrations, natural frequencies.
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Practical
Design of Machine Elements Lab (102601P) - 1 Credits
0L + 0T + 2P Perform all Experiments 1. To study the design procedure of Knuckle & Cotter joint. 2. Design of shafts subjected to torsion, bending moment and combined bending and torsion. 3. Design of flat and square key 4. Design and drawing of riveted joints 5. Design and drawing of screw jack 6. Journal Bearing Test Rig.
Dynamics of Machinery Lab (102602P) - 1.5 Credits
0L + 0T + 3P Perform any 10 Experiments List of Experiments: 1. To study various types of Links, Pairs, Chain and Mechanism 2. To study inversion of Four Bar Mechanism 3. To study velocity diagram for Slider Crank Mechanism. 4. To study various kinds of belts drives. 5. To study and find coefficient of friction between belt and pulley. 6. To study various types of Cam and Follower arrangement. 7. To plot follower displacement Vs cam rotation graph for various cam follower arrangement. 8. To study Different types of Gears. 9. To study Different types of Gear Trains. 10. To Perform Experiment on Watt, Porter, Proell and Hartnell Governors and prepare Performance Characteristic Curves also analyze Stability & Sensitivity 11. To study gyroscopic effects through models. 12. To determine gyroscopic couple on Motorized Gyroscope. 13. To perform the experiment of Balancing of rotating parts and find the unbalanced couple and forces. 14. To study Dynamically Equivalent System. 15. Determine the moment of inertial of connecting rod by compound pendulum method and trifler suspension pendulum. 16. To study the various types of dynamometers. 17. To find out critical speed experimentally and to compare the Whirling Speed of a shaft with theoretical values.
Manufacturing Technology Lab (102603P) - 1.5 Credits
0L + 0T + 3P Perform all Experiments List of Experiments: 1. Measurement of angle using Sine Center / Sine bar / bevel protractor 2. Measurement of alignment using Autocollimator / Roller set 3. Measurement of cutting tool forces using a. Lathe tool Dynamometer b. Drill tool Dynamometer. 4. Measurement of Screw Threads Parameters using Two wire or Three-wire method. 5. Measurements of Surface roughness, Using Tally Surf/Mechanical Comparator 6. Measurement of gear tooth profile using gear tooth Vernier/Gear tooth micrometer 7. Calibration of Micrometer using slip gauges 8. Measurement using Optical Flats.
Automation in Manufacturing Lab (102605P) - 1 Credits
0L + 0T + 2P Perform any 10 Experiments List of Experiments: 1. Case study on automated system of any industry. 2. Practice programming on manual part program. 3. Practice Programming on APT. 4. Demonstration on robot. 5. Performance on robot. 6. Demonstration on CNC lathe. 7. Performance on CNC lathe. 8. Performance and simulation with CNC lathe software. 9. Demonstration on CNC milling. 10. Performance on CNC milling. 11. Performance and simulation with CNC milling software. 12. Case study on Computer aided process planning. 13. Case study on part coding and group technology. 14. Case study on Computer aided quality control. 15. Case study on flexible manufacturing system.