Unit 1 Introduction

10 lecture hours

• Theory of machines and branches
• Concepts of Kinematics
• Types of Kinematic Links
• classification of Kinematic Pairs
• Kinematic Chains
• Mobility and constraints
• Mechanisms and machines
• Kinematic Diagrams
• Degrees of Freedom
• Kutzbach’s criterion
• Grubler’s criterion and Grashof’s Lawfor mechanisms.Kinematic Inversion of mechanisms
• Four-bar mechanisms and inversions
• Slider-Crank Chain Mechanisms and inversions, and double-slider mechanisms and inversions.Straight line motion mechanisms
• Davis and Ackerman steering gear mechanisms

Unit 2 Velocity & Acceleration Analysis of Mechanisms

10 lecture hours

• Determination of velocities and accelerations using graphical and analytical techniques Instantaneous centre method
• number of instantaneous centres and properties
• Graphical and analytical velocity analysis of four bar pin jointed linkages and four-bar slider crank linkages
• Acceleration -tangential & normal
• Graphical and analytical acceleration analysis of four-bar pin jointed linkages and four-bar slider crank linkages.Graphical velocity and acceleration analysis of Whitworth
• Crank-Slotted lever quick return motion mechanisms.Coriolis component of acceleration

Unit 3 Dimensional Synthesis of Mechanisms

6 lecture hours

• Analytical methods Introduction to Function
• Path and Motion generation
• Applications.Two position synthesis
• Three Position synthesis.Freudenstein'sEquationfor three position function generation
• Chebyshev’s spacing for precision points
• angle relationships
• Analytical synthesis of Four-bar and slider crank mechanisms

Unit 4 Belts and Chains

6 lecture hours

• Types of belt drives
• Velocity ratio
• Pulley arrangement
• Length of belt
• Law of belting
• Ratio of friction tension
• Power transmitted
• Centrifugal effects on belts
• Maximum power transmitted
• Creep in belts
• Chains: Chain length
• Angular speed ratio
• Classification of chains

Unit 5 Gears & Gear Trains

6 lecture hours

• Fundamental law of gearing
• involute and cycloid profiles
• interference & undercutting
• Simplegear train
• Compoundgear trainandEpicyclicgear train and Compound Epicyclic gear train
• Differential gearbox of an automobile

Unit 6 Brakes and clutches

• Brakes: Classification
• analysis of block
• band, and internal expanding shoe brakes
• braking torque
• condition for self-lockingand self-energizing
• thermal aspects
• Clutches: Types – single plate
• multiple plate
• cone and centrifugal clutches
• torque transmission capacity under uniform pressure and uniform wear
• efficiency and applications

Unit 7 Program Name

• Bachelor of Engineering Level: UG Branch: Subject Code: BE04000171 Subject Name: Kinematics and Theory of Machines 7 Cams & Followers Classification of cams and followers
• Displacement diagrams – Simple Harmonic Motion
• Uniform velocity and uniform acceleration
• Cam profile design with pressure angle and undercutting constraints
• To be taught in Lab. session