PR8551 - DESIGN OF MACHINE ELEMENTS AND TRANSMISSION SYSTEMS (Syllabus) 2017-regulation Anna University

PR8551

DESIGN OF MACHINE ELEMENTS AND TRANSMISSION SYSTEMS

 LPTC
3204

OBJECTIVE:
• To introduce students to the design and theory of common machine elements and to give students experience in solving design problems involving machine elements.

UNIT I

INTRODUCTION

9+6
Fundamentals of Machine Design-Engineering Design, Phases of Design, Design Consideration - Standards and Codes - Selection of Materials –Design against Static and Dynamic Load –Modes of Failure, Factor of Safety, Principal Stresses, Theories of Failure-Stress Concentration, Stress Concentration Factors, Variable Stress, Fatigue Failure, Endurance Limit, Design for Finite and Infinite Life, Soderberg and Goodman Criteria.

UNIT II

DETACHABLE AND PERMANENT JOINTS

9+6
Design of Bolts under Static Load, Design of Bolt with Tightening/Initial Stress, Design of Bolts subjected to Fatigue – Keys -Types, Selection of Square and Flat Keys-Design of Riveted Joints and Welded Joints


UNIT III

SHAFTS AND COUPLING

9+6
Design of Shaft –For Static and Varying Loads, For Strength and Rigidity-Design of Coupling-Types, Flange, Muff and Flexible Rubber Bushed Coupling

UNIT IV

GEARS AND BELT DRIVES

9+6
Design of Spur and Helical Gear drives-Design of Belt drives-Flat and V Belts

UNIT V

SPRINGS AND BEARINGS

9+6
Design of Helical Spring-Types, Materials, Static and Variable Loads-Design of Leaf Spring-Design of Journal Bearing -Antifriction Bearing-Types, Life of Bearing, Reliability Consideration, Selection of Ball and Roller Bearings

TOTAL : 75 PERIODS

OUTCOMES: Upon completion of this course, the students can able
• To formulate and analyze stresses and strains in machine elements subjected to various loads
• To analyze and design structural joints such as Riveted joints, welded joints, Bolts
• To analyze and design the components for power transmission like shaft and couplings.
• To analyze and design different types of gears and belts for engineering applications.
• To analyze and design mechanical springs and bearings.

TEXT BOOKS:
1. Joseph Edward Shigley, Charles R. Mischke “ Mechanical Engineering Design”, McGraw Hill, International Edition, 1992
2. Sharma. C.S. and Kamlesh Purohit, “ Design of Machine Elements”, Prentice Hall of India Private Limited, 2003

REFERENCES:
1. Bhandari. V.B., “Design of Machine Elements”, Tata McGraw-Hill Publishing Company Limited, 2003. 2. Robert L.Norton, “Machin Design – An Integrated Approach”, Prentice Hall International Edition, 2000.
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