MR3451 Kinematics and Dynamics of Machinery Syllabus:
MR3451 Kinematics and Dynamics of Machinery Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
1. To understand the basic components and layout of linkages in the assembly of a system/ machine and also learn about the mechanisms
2. To understand the basic concepts of toothed gearing and kinematics of gear trains and the effects of friction in motion transmission and in machine components.
3. To learn about the concepts in friction
4. To understand the principles in force analysis
5. To learn about the basic concept of static and dynamic balancing and vibration
UNIT I KINEMATIC OF MACHINES
Mechanisms – Terminology and definitions – kinematics inversions of 4 bar and slide crank chain kinematics analysis in simple mechanisms – velocity and acceleration polygons – Analytical methods – computer approach – cams – classifications – displacement diagrams – layout of plate cam profiles – derivatives of followers motion – circular arc and tangent cams.
UNIT II GEARS AND GEAR TRAINS
Spur gear – law of toothed gearing – involute gearing – Interchangeable gears – Gear tooth action interference and undercutting – nonstandard teeth – gear trains – parallel axis gears trains – epicyclic gear trains – automotive transmission gear trains.
UNIT III FRICTION
Sliding and Rolling Friction angle – friction in threads – Friction Drives – Belt and rope drives.
UNIT IV FORCE ANALYSIS
Applied and Constrained Forces – Free body diagrams – static Equilibrium conditions – Two, Three and four members – Static Force analysis in simple machine members – Dynamic Force Analysis Inertia Forces and Inertia Torque – D’Alembert’s principle – superposition principle – dynamic Force Analysis in simple machine members.
UNIT V BALANCING AND VIBRATION
Static and Dynamic balancing – Balancing of revolving and reciprocating masses – Balancing machines – free vibrations – Equations of motion – natural Frequency – Damped Vibration – bending critical speed of simple shaft.
COURSE OUTCOMES
At the end of the course, the student able to:
CO1: Recognize the basic terminologies of kinematics and dynamics of machines
CO2: Interpret the various concepts of kinematics and dynamics including forces and frictions
CO 3: Show the motions parameters on the various mechanisms, gears and gear trains.
CO 4: Apply the mechanism, gears and gear train for the design of new machines.
CO 5: Analyze the working of various mechanism, gears and gear train.
TEXT BOOKS:
1. Rattan, S.S, “Theory of Machines”, 4th Edition, Tata McGraw-Hill, 2014.
2. Bansal R.K., “Theory of Machines”, Laxmi Publications Pvt Ltd., New Delhi, 20th edition 2009.
REFERENCES:
1. Thomas Bevan, “Theory of Machines”, CBS Publishers and Distributors, 1984.
2. Ghosh. A, and A.K. Mallick, “Theory and Machine”, Affiliated East-West Pvt. Ltd., New Delhi,1988.
3. 3Rao. J. S. and Dukkipatti R.V. “Mechanisms and Machines”, Wiley-Eastern Ltd., New Delhi,1992.
4. John Hannah and Stephens R.C., “Mechanics of Machines”, Viva Low Prices Student Edition, 1999.
5. Ramamurthi, Mechanisms of Machine, Narosa Publishing House, 2002.
6. Ambekar A. G., “Mechanism and Machine Theory” Prentice Hall of India, New Delhi, 2007