UNIT 1:
Basic Terminology - Kinematic links, Pairs
Joints, Structures, Machines
Degree of freedom, Grubler&Kutzbach Criterion
Mechanism –Mobility of mechanism
Simple mechanisms - Four bar mechanism and their inversions.
Single slider crank chain mechanism and their inversions.
Double slider crank chain mechanism and their inversions.
Intermittent Motion Mechanisms
Mechanisms & linkages - real time applications
Mechanical advantage - Transmission Angle.
UNIT 2:
Construction of velocity and acceleration diagram
Classification of synthesis
Introduction to commercial software packages for the development of kinematic models.
UNIT 3:
Introduction - terminology, classifications
Types of follower motion - Uniform Velocity Motion
Uniform Acceleration and Retardation Motion
Construction of cam profile
Knife edge follower, Roller and flat faced follower
UNIT 4:
Static Force Analysis, Free body diagrams
Conditions of two, three and four Force members
Inertia forces and D’Alembert’s principle
Inertia force Analysis in Reciprocating Engines
Fly wheels–turning moment diagrams
Fluctuation of energy of reciprocating engine mechanisms
Coefficient of fluctuation of energy and speed, weight of flywheel required
Need of balancing, concept of static and dynamic balancing
Inertia forces and D’Alembert’s principle
Need of balancing, concept of static and dynamic balancing
Need of balancing, concept of static and dynamic balancing
Balancing of rotating mass by another mass in the same plane
Forces due to revolving masses.
Forces due to revolving masses.
UNIT 5:
Basic features of vibratory systems–types
Single degree of freedom system
Transverse vibration of beams–Natural frequency by energy method
Dunkerly’s Method-Critical speed-damped free vibration of single degree freedom system
Types of damping–free vibration with viscous damping,
Critically damped system, under damped system
Torsional systems: Natural frequency of two and three rotor systems.
Response to periodic force–Harmonic Force
Motion-Logarithmic decrement-magnification factor–Vibration isolation and transmissibility – Modal Analysis in Vibration.
Types - Centrifugal governors - Gravity controlled and spring-controlled governors –Characteristics - Effect of friction - Controlling Force.
Gyroscopic forces and torques- Gyroscopic couple - Gyroscopic stabilization - Gyroscopic effects in Automobiles, ships and airplanes.
