06ME751- Mechanism Design |
PART – A |
UNIT I: |
GEOMETRY OF MOTION: Introduction, analysis and synthesis,
mechanism terminology, planar, spherical and spatial mechanisms, mobility,
kinematic inversion, Grashoffs law, mechanical advantage, equivalent
mechanisms, unique mechanisms..
|
UNIT II: |
GENERALIZED PRINCIPLES OF DYNAMICS: Fundamental laws of
motion, generalized coordinates, configuration space, constraints, virtual
work, principle of virtual work, energy and momentum, work and kinetic
energy, equilibrium and stability, kinetic energy of a system, angular
momentum.
|
UNIT III: |
LAGRANGE’S EQUATION: Larange’s equation from D.Alembert’s
principles, examples, Hamiltons equations, Hamiltons principle, Lagrange’s
equation from Hamiltons principle, derivation of Hamiltons equations,
examples.
|
UNIT IV: |
SYNTHESIS OF LINKAGES: Type, number, and dimensional synthesis,
function generation, path generation and body guidance, Precision positions,
structural error, Chebychev spacing, two position synthesis of slider crank
mechanisms, crank-rocker mechanisms with optimum transmission angle.
|
PART – B |
UNIT V: |
MOTION GENERATION: Poles and relative poles, relative poles of 4-bar
mechanism, relative poles of slider crank mechanism.
|
UNIT VI: |
GRAPHICAL METHODS OF DIMENSIONAL SYNTHESIS: Two
position synthesis of crank and rocker mechanisms, three position synthesis,
four position synthesis (point precision reduction), overlay method, coupler
curve synthesis, cognate linkages.
|
UNIT VII: |
ANALYTICAL METHODS OF DIMENSIONAL SYNTHESIS: Freudenstein’s equation for four bar mechanism and slider crank mechanism,
examples, Bloch’s method of synthesis.
|
UNIT VIII: |
CAMS: Introduction, pressure angle, parameters affecting pressure angle,
effect of offset follower motion, radius of curvature and undercutting, cams
with specified contours.
|
REFERENCE |
TEXT BOOKS: |
1. “Theory of Machines and Mechanism”, E. Shigley, J. J. Uicker,
McGraw Hill Company.
2. “Classical Dynamics”, Greenwood, Prentice Hall of India, 2004
|
Reference Books |
1. ‘Mechanism & machine Theory’, A.G. Ambekar, PHI, 2007
2. ‘Kinematics, Dynamics & Design of Machinery’, K. J. Waldron,
G. L. Kinzel, Wiley India, 2007.
3. ‘Design of Machinery’, R. C. Nortan , Tata McGraw Hill
4. Advanced Mechanism Design, Erdman sandoor, Vol-1 PHI, 2006.
|
|