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Sathyabama Institute of Science and Technology B.E. - Mechanical Engineering Part Time SMEA1502 Design of Machine Elements Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL OF MECHANICAL ENGINEERING

SMEA1502 DESIGN OF MACHINE ELEMENTS
L T P Credits Total Marks
3 * 0 3 100

UNIT 1 STATIC STRESSES AND VARIABLE STRESSES IN MACHINE COMPONENTS 9 Hrs.
Introduction to the design process-factors influencing machine design, selection of materials based on mechanical
properties - Principal stresses for various load -Factor of safety-Theories of failure- design based on strength and stiffnessstress
concentration-Design for Variable loading –Gerber line, Goodman’s line, and Soderberg’s Line.

UNIT 2 DESIGN OF SHAFTS AND COUPLINGS 9 Hrs.
Design of solid and hollow shafts based on strength and rigidity, Keys- different types of keys- Design Keys, keyways,
failures of keys-Couplings - Rigid coupling- flexible coupling.

UNIT 3 TEMPORARY AND PERMANENT JOINTS 9 Hrs.
Threaded fasteners- stress in screwed threads, Bolted joints including eccentric loading- Design of knuckle and cotter
joints- Welded joints- merits and demerits of welded joints, Types of welded joints, weld symbols, Strength of parallel and
fillet weld, strength of a welded joint , eccentrically loaded welded joints.

UNIT 4 DESIGN OF SPRINGS AND CONNECTING ROD 9 Hrs.
Functions of springs-applications- spring materials-Design of helical, Belleville springs (disc) and torsion spring–Design of
Leaf Spring – Design of connecting rod.

UNIT 5 DESIGN OF BEARINGS FLYWHEELS 9 Hrs.
Introduction -Design of bearings - Sliding contact bearing – Design of journal bearings- Mckees equation- Lubrication in
journal bearings -Rolling contact bearing (antifriction bearing). Types of fly wheels- Design of flywheels involving stresses in
rim and arm.
Max. 45 Hrs.

COURSE OUTCOMES
On completion of the course, student will be able to
CO1 - Demonstrate and understand of various design considerations.
CO2 - Apply the design considerations on the basis of strength and standardization.
CO3 - Analyze and design bolted rivets, welded joints with respect to static and dynamic loads.
CO4 - Apply the concept of energy absorbing members and connecting rod.
CO5 - Analyze and apply the concept of bearings and flywheel.
CO6 - Understand the various design process of machine parts.

TEXT / REFERENCE BOOKS
1. Juvinall R.C. and Marshek K.M., “Fundamentals of Machine Component Design”, John Wiley & Sons, 2002.
2. Bhandari V.B., “Design of Machine Elements”, Tata McGraw Hill Book Co., 2003.
3. Norton R.L., “Design of Machinery”, Tata McGraw Hill Book Co., 2004.
4. Spotts M.F. and Shoup T.E., “Design and Machine Elements”, Pearson Education, 2004.
5. Kannaiah P., "Machine Design", 2nd Edition, Scitech Publication Pvt. Ltd., 2009.
6. Shigley J.E. and Mischke C.R., "Mechanical Engineering Design", 6th Edition, Tata McGraw Hill, 2005.
7. Sundararajamoorthy, T.V. and Shanmugam N., "Machine Design", Anuradha Agencies, 2015.

END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Questions of 2 marks each – No choice 20 Marks
PART B: 2 Questions from each unit of internal choice, each carrying 16 marks 80 Marks