Design of Machine Elements detailed syllabus scheme for B.Tech Production Engineering (PR), 2019 onwards has been taken from the DBATU official website and presented for the Bachelor of Technology students. For Subject Code, Course Title, Lecutres, Tutorials, Practice, Credits, and other information, do visit full semester subjects post given below.
For all other DBATU Syllabus for Production Engineering 5th Sem 2019, do visit PR 5th Sem 2019 Onwards Scheme. The detailed syllabus scheme for design of machine elements is as follows.
Design of Machine Elements Syllabus for Production Engineering (PR) 3rd Year 5th Sem 2019 DBATU
Prerequisites:
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Course Objectives:
To understand material properties, design process and various theories of failures in order to design various basic machine components and new components based on design principles.
Course Outcomes:
At the end of the course, students will be able to:
- Formulate the problem by identifying customer need and convert into design specification
- Understand component behavior subjected to loads and identify failure criteria
- Analyze the stresses and strain induced in the component
- Design of machine component using theories of failures
- Design of component for finite life and infinite life when subjected to fluctuating load
- Design of components like shaft, key, coupling, screw and spring
Unit 1: Mechanical Engineering Design Process
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Unit 2: Design of Machine Elements
- Against Static LoadingDirect loading and combined loading, Joints subjected to static loading e.g. cotter and knuckle joint, turnbuckle, etc. introduction to fluctuating loads.
- Against Fluctuating LoadsStress concentration, stress concentration factors, fluctuating stresses, fatigue failure, endurance limit, notch sensitivity, approximate estimation of endurance limit, design for finite life and finite life under reversed stresses, cumulative damage in fatigue, Soderberg and Goodman diagrams, fatigue design under combined stresses.
Unit 3: Design of Shafts, Keys, Couplings and Bearings
Various design considerations in transmission shafts, splined shafts, spindle and axles strength, lateral and torsional rigidity, ASME code for designing transmission shaft. Types of Keys: Classification and fitment in keyways, Design of various types of keys. Couplings: Design consideration, design of rigid, muff and flange type couplings, design of flexible couplings. Bearings: Types, Constructional details of roller contact and sliding contact bearins, Static and dynamic load carrying capacities, Stribecks Equation, Equivalent load, load and life relationship, selection of bearing life, Load factor, selection of bearing from manufacturers catalogue, Lubrication and bearing materials.
Unit 4: Design of Threaded Joints
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Unit 5: Mechanical Springs
Stress deflection equation for helical spring, Wahls factor, style of ends, design of helical compression, tension and torsional spring under static loads, construction and design consideration in leaf springs, nipping
Unit 6: Design of Gears and Drives
Gear drives, Classification of gears, Law of gearing, Terminology of spur gear, Standard system of gear tooth force analysis, gear tooth failures, material selection, Number of teeth, Face with, Beam strength equation, Effective load on gear tooth, Estimation of module based on beam strength. Design for maximum power capacity, Lubrication of gears. Helical Gears: Terminology, Virtual number of teeth, Tooth proportions, Force analysis, Beam strength equation, Effective load on gear tooth, Wear strength equation. Bevel Gears: Types of bevel gears, Terminology of straight bevel, force analysis, Beam and Wear strength, Effective load on gear tooth. Worm Gears: Terminology, Proportions, Force analysis, Friction in worm gears, Vector method, Selection of materials, Strength and wear rating, Thermal considerations Flat and V belts, Geometric relationship, analysis of belt tensions, condition for maximum power, Selection of flat and V belts from manufacturers catalogue, Adjustment of belt tensions. Flywheel: Introduction, types of flywheel, stresses in disc and armed flywheel.
Text Books:
- V. B. Bhandari, Design of Machine Elements, Tata McGraw Hill Publications, New Delhi, 2008.
- R. L. Nortan, Machine Design: An Integrated Approach, Pearson Education Singapore, 2001.
Reference Books:
For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
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For detail syllabus of all other subjects of Production Engineering (PR) 5th Sem 2019 regulation, visit PR 5th Sem Subjects syllabus for 2019 regulation.