UNIT I
BASICS OF MECHANISMS – Classification of links and kinematic pairs – Sliding,
Turning, Rolling, Screw and spherical pairs- Lower and higher pairs- Degree of freedom,
Mobility – Kutzbach criterion, Gruebler’s criterion – Grashof’s Law
KINEMATIC INVERSIONS of four-bar chain, Single and double slider crank chains –
Quick return mechanisms

UNIT II
MECHANISMS WITH LOWER PAIRS – Straight line motion mechanisms, Peaucellier,
Hart, Scottrussel, Grasshopper, Watt, Tchebicheff, Robert and pantograph.
STEERING MECHANISMS – Conditions for correct steering – Davis Steering gear,
Ackermanns steering gear. Hooke’s Joint (Universal coupling) -Single and double Hooke’s
joint –– applications – Simple problems.

UNIT-III
KINEMATICS – Displacement, Velocity and acceleration analysis of simple mechanisms –
Graphical method– Velocity and acceleration of polygons
VELOCITY ANALYSIS using instantaneous centers – kinematic analysis of simple
mechanisms – Coincident points – Coriolis component of Acceleration

UNIT IV
CAMS – Classification of cams and followers – Terminology and definitions – Displacement
diagrams –Uniform velocity, Parabolic, Simple harmonic and Cycloidal motions.
CAM PROFILES – Specified contour cams – Circular arc and tangent cams – Pressure
angle and undercutting – Sizing of cams.

UNIT V
GEARS AND GEAR TRAINS – Law of toothed gearing – Involutes and Cycloidal tooth
profiles –Spur Gear terminology and definitions –Gear tooth action – Contact ratio –
Condition for constant velocity ratio for transmission of motion – Interference and
undercutting. Helical, Bevel, Worm, Rack and Pinion gears [Basics only].
GEAR TRAINS – Speed ratio, Train value – Parallel axis gear trains – Epicyclic Gear
Trains, Differential gear of an automobile, Simple problems only.

TEXT BOOKS:
1. Theory of Machine, S.S. Rattan, Tata McGraw-Hill, 3rd Edition, 2013.
2. Theory of Machine, R.S Khurmi,, S Chand Publications, 14th Edition, 2005 .
3. Kinematics and dynamics of machinery, R.L.Norton, Tata McGraw-Hill, 1st Edition,
2013.
REFERENCES:
1. Theory of Machines and Mechanisms, J.E. Shigley 4rd Edition” Oxford International
student Edition
2. Theory of Machines, Thomas bevan, Pearson (P), 3 rd Edition, 2012
3. Mechanics of Machines, Ramamurthy, V. Narosa Publishing House, 2002.