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Subject Details
Dept     : MECH
Sem      : 5
Regul    : R2019
Faculty : Mr.A.Vetrivel
phone  : NIL
E-mail  : vetri232@gmail.com
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Lecture Notes

UNIT 1:
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Basic Terminology - Kinematic links, Pairs
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Joints, Structures, Machines
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Degree of freedom, Grubler & Kutzbach Criterion
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Simple mechanisms - Four bar mechanism and their inversions.
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Single slider crank chain mechanism and their inversions.
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Double slider crank chain mechanism and their inversions.
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Intermittent Motion Mechanisms
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Mechanism –Mobility of mechanism
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Mechanisms & linkages - real time applications
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Mechanical advantage - Transmission Angle.
UNIT 2:
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Construction of velocity and acceleration diagram
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Four bar mechanism
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Slider crank mechanisms
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Complex mechanism
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Synthesis of mechanism
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Synthesis of mechanism
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Classification of synthesis
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Four bar mechanism
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Slider crank mechanisms
UNIT 3:
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Introduction - terminology, classifications
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Types of follower motion - Uniform Velocity Motion
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Simple Harmonic Motion
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Uniform Acceleration and Retardation Motion
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Construction of cam profile
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Construction of cam profile
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Knife edge follower, Roller and flat faced follower
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tooth forms – minimum number teeth – length of arc of contact
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Parallel axis and epicyclic gear trains
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velocity and torque calculation- contact ratio and interference. Gear trains: types
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Construction of cam profile
UNIT 4:
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Static Force Analysis, Free body diagrams
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Conditions of two, three and four Force members
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Inertia forces and D’Alembert’s principle
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Inertia force Analysis in Reciprocating Engines
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Crank shaft Torque
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Fly wheels–turning moment diagrams
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Coefficient of fluctuation of energy and speed, weight of flywheel required
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Balancing of rotating mass by another mass in the same plane
UNIT 5:
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Basic features of vibratory systems–types
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Single degree of freedom system
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Transverse vibration of beams–Natural frequency by energy method
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Dunkerly’s Method-Critical speed-damped free vibration of single degree freedom system
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Types of damping–free vibration with viscous damping,
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Critically damped system, under damped system
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Response to periodic force–Harmonic Force