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ME6401 Kinematics of Machinery Hand Written Lecture Notes - Mr.Krishnamoorthy Edition
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Kinematics Of Mechanics Premium Lecture Notes Contains all units by Mr. Krishnamoorthy. Specially for Mechanical Engineering Candidates. Syllabus Covered based on Anna University B.E Mechanical Engineering


Special Thanks to:
Mr.Krishnamoorthy
P.T.Lee Chengalvaraya Naicker Engg Collage

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KINEMATICS OF MACHINERY
Unit-1
BASICS OF MACHANISMS
UNIT-2
KINEMATICS OF MOTION
UNIT-3
KINEMATICS OF CAM MECHANISMS
UNIT-4
GEARS AND GEARS TRAINS
Unit-5
FRICTION IN MACHINE ELEMENTS

Unit-1
BASICS OF MACHANISMS
Review of fundamentals of kinematics
Classification of mechanism
Basic kinematics concepts and definition
Concepts of mechanism
1. Link elements
2. Kinematic pair joints
3. Kinematic chain
Practical examples
Redundant chain
Degree of freedom
Mobility
Problems
Kutzbach criterion
Application of kutzbach criterion for spatial mechanism
Grublers criterion for spatial mechanism
Grashof’s law
Kinematic inversion of gour bar chain and slider chain
Types of kinematic inversion of chains
Pantograph
Limit position
Mechanical advantages of a mechanism
Transmission angle
Description of some common mechanism
Quick return mechanism
Straight line generation
Universal joints
Rocker mechanism

UNIT-2
KINEMATICS OF MOTION
Introduction
Displacement
Addition of vectors
Subtraction of vector
Rectilinear motion
Curvilinear motion
Circular motion
Relation between linear motion and angular motion
Velocity
Method for determining the velocity of a body
Relative velocity of two bodies moving in an inclined direction
Configuration diagram
Motion of a link
Velocities in a four bar chain
Velocities in slider crank mechanism
Acceleration in mechanisms

UNIT-3
KINEMATICS OF CAM MECHANISMS
Introduction
Necessary elements of a cam mechanism
Classification of CAMS
1. According to CAM shapes
2. According to the follower movement
3. According to the manner of constraints of the followers
4. Classification of followers
Motion of the followers
1. Uniform velocity
2. Simple harmonic motion
3. Uniform acceleration and retardation
Cam analysis formulas
Cam profile with knife edge followers
Cam profile with roller followers
Cam profile with flat reciprocating followers
Cam profile with oscillating followers

UNIT-4
GEARS AND GEARS TRAINS
Toothed gearing
Advantages
Disadvantages
Gear terminology
Law of gearing or condition of correct gearing
Velocity of sliding of teeth
Length of path of contact
Length of arc of contact
Contact ratio or number of pairs of teeth in contact
Standard tooth profiles
Form of teeth
Cycloidal tooth profile
1. Epicycloid
2. Hypocycloid
Involute tooth profile
Interference and undercutting in involute gear
Method to avoid interference
Undercutting
Minimum number of teeth on the pinion in order to avoid interference
Minimum number of teeth on the wheel in order to avoid interference

Unit-5
FRICTION IN MACHINE ELEMENTS
Frictional force or friction
Types of friction
Dry friction
Fluid friction
Types of dry friction
Static friction
Dynamic friction 
Limiting friction
Laws of static friction
Co-efficient of friction
Angle of friction
Angle of repose
Cone of friction
Properties of friction
Advantages
Some basic concepts of friction
Friction of the screw and nut
Over hauling and self locking screws
Efficiency of self locking screws
Belts and rope drives
Selection of a belt drives
Types of belt drives
Types of belt
Circular belt
Material used for belt
Creep of the belt
Power transmitted by a belt
Angle of contact
Ropes drives
Problems based on slip of the belt
Problems


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