Other university all, Mechanical Engineering , Theory of Machines Syllabus

Unit I

Introduction, mechanisms and machines, kinematics and kinetics, types of links, kinematic pairs and
their classification, types of constraint, degrees of freedom of planar mechanism, Grubler’s equation,
mechanisms, inversion of four bar chain, slider crank chain and double slider crank chain.
Velocity analysis:
Introduction, velocity of point in mechanism, relative velocity method, velocities in four bar
mechanism, instantaneous center .
Acceleration analysis:
Introduction, acceleration of a point on a link, acceleration diagram, Corioli’s component of
acceleration, crank and slotted lever mechanism,.

Unit II

Cams
Introduction, classification of cams and followers, cam profiles for knife edge, roller and flat faced
followers for uniform velocity, uniform acceleration,
Gears and gear trains
Introduction, classification of gears, law of gearing, tooth forms and their comparisons, systems of gear
teeth, length of path of contact, contact ratio, minimum number of teeth on gear and pinion to avoid
interference, simple, compound, reverted and planetary gear trains, sun and planet gear train.

Unit III

Force analysis:
Static force analysis of mechanisms, D’Alembert’s Principle, dynamics of rigid link in plane
motion, dynamic force analysis of planar mechanisms, piston force and crank effort. Turning
moment on crankshaft due to force on piston, Turning moment diagrams for single cylinder
double acting steam engine, four stroke IC engine and multi-cylinder engines, Fluctuation of
speed, Flywheel.

Unit IV

Balancing:
Introduction,static balance, dynamic balance, balancing of rotating masses,two plane
balancing, graphical and analytical methods, balancing of reciprocating masses,
Governors:
Introduction, types of governors, characteristics of centrifugal governors, gravitycontrolled
and spring controlled centrifugal governors, hunting of centrifugal governors, inertia governors. Effort and Power of governor

Unit V

Brakes and dynamometers:
Introduction, Law of friction and types of lubrication, types of brakes, effect of braking on rear
and front wheels of a four wheeler, dynamometers, belt transmission dynamometer, torsion
dynamometer, hydraulic dynamometer

Text/Reference Books:
1. Kinematics and dynamics of machinery: Wilson and Sadler, Third edition, Pearson.
2. Theory of Mechanisms and Machines: AmitabhaGhosh and Ashok kumarMallik, Third
Edition Affiliated East-West Press.
3. Theory of Machines and Mechanisms: Joseph Edward Shigley and John Joseph
Uicker, Jr. Oxford University Press
4. Kinematics and dynamics of machinery: R L Norton, McGraw Hill
5. Theory of Mchines: S.S. Rattan, McGraw Hill
6. Theory of Mchines: Thomas Bevan, CBS Publishers.