lesson plan

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DOC/LP/01/28.02.02


Unit syllabus:

Definitions


Link, Kinematic pair, Kinematic chain, Mechanism, and Machine.


Degree
of freedom


Mobility


Kutzbach criterion (Gruebler’s equation)


Grashoff’s law


Kinematic Inversions of four bar chain and
slider crank chain


Mechanical Advantage


Transmission angle.

Description of common Mechanisms


Offset slider mechanism as quick return
mechanisms, Pantograph, Straight line generators (Peaucellier and Watt mechanisms),
Steering gear for automobile, Hoo
ke’s joint, Toggle mechanism, Ratchets and
escapements


Indexing Mechanisms


Objective:

To understand the concepts of mechanism and its need in industries



Session

No


Topics to be covered


Time


Ref

Teaching
Aids

1

Introduction to Links, Kinematic Pai
rs, Kinematic chain,
Mechanism and degree of freedom.

1 hr

1,4

B

2

Degrees of freedom, Kutzbach criterion (Gruebler’s equation)
to determine degrees of freedom

1 hr

4

B

3

Grashoff’s law for Kinematic Inversions of four bar chain and
slider crank chain

1
hr

3

B

4

Mechanical advantage and Transmission angle, description of
common Mechanisms

1 hr

2,3

B

5

Offset slide mechanism as quick return mechanism

1 hr

3
,6

B

6

Pantograph, Straight line generators, Steering gear for
automobile

1 hr

3

B

7

Hooke’s join
t, Toggle Mechanism, Ratchets and escapements,
Indexing Mechanism

1 hr

3
,5

Projector













LESSON PLAN

LP
-

113302

LP Rev. No:
00

Date:

28/06/11

Page
1

of

6


Sub Code & Name :
11330
2

Kinematics of Machinery


Unit:

I

Branch:
Mechanical Engg.

Semester
:

III

DOC/LP/01/28.02.02


Unit syllabus:

Analysis of simple mechanisms (Single slider crank mechanism and four bar
mechanism)


Graphical Methods for displacement, velocity and accerelation, Shaping machine
mechanism
-

Coincident points


Coriolis acceleration


Analytical method of analysis of
slider crank mechanism and four bar mechanism. Approximate analytical expres
sion for
displacement, velocity and acceleration of piston of reciprocating engine mechanism.


Objective:

To analyze mechanism for finding its
displacement,
velocity, acceleration



Session

No


Topics to be covered


Time


Ref

Teaching
Aids

8

Introductio
n to simple mechanism, Analysis of simple
mechanisms

1 hr

1,5

B

9

Analysis of Single slider crank mechanism, four bar mechanism

1 hr

3

B

10

Determining displacement, velocity and acceleration for
mechanisms by Graphical method

1 hr

2,4

B

11

Tutorial 1

:

Problems to determine the velocity, displacement
and acceleration for mechanisms by graphical method

1 hr

1,3

Tutorial

12

Determining displacement, velocity and acceleration by
graphical method for Shaping machine mechanism

1 hr

2

B

13

Introduction to

Coincident points, Coriolis acceleration method

1 hr

1,3

B

14

Determining displacement, velocity and acceleration for
mechanisms by Coriolis acceleration method

1 hr

4

B

15

Tutorial
2

:

Problems to determine the velocity, displacement
and acceleration f
or mechanisms by Coriolis method

1 hr

1,
3

Tutorial

16

Introduction to analytical method to find the displacement,
velocity and acceleration, Analysis of slider crank mechanism

1 hr

3

B

17

Analysis of four bar mechanism by analytical method,
Introduction
to Instantaneous centre method

1 hr

3

B

18

Tutorial
3

:

Problems to determine the velocity, displacement
and acceleration for mechanisms by Analytical method

1 hr

1,2

Tutorial

19

Determining the velocity of mechanism by Instantaneous
method

1 hr

2

B

20

Tutorial
4

:

Problems to determine the velocity, displacement
and acceleration for mechanisms by Instantaneous method

1 hr

1,3

Tutorial

21

Approximate analytical expression for displacement, velocity
and acceleration of piston of reciprocating engine mech
anism

1 hr

3

B

22

Tutorial 5

:

Problems related to Approximate analytical method

1 hr

1,3

Tutorial







LESSON PLAN

LP
-

113302

LP Rev. No:
00

Date:

28/06/11

Page
2


of

6


Sub Code & Name :
11330
2

Kinematics of Machinery




Unit:

II

Branch:
Mechanical Engg.

Semester
:

III


DOC/LP/01/28.02.02



Unit syllabus:

Classifications


Displacement diagrams


Parabolic, Simple harmonic
and Cycloidal
motions


Graphical construction of displacement diagrams and layout of plate cam
profiles


circular arc and tangent cams


Pressure angle and undercutting.


Objective:

To understand the importance of cam and its profiles for different motio
ns




Session

No


Topics to be covered


Time


Ref

Teaching
Aids

23

Introduction to cam and its classification, Displacement
diagrams for Parabolic motions

1 hr

3

B

24

Graphical construction of displacement diagrams and layout of
plate cam profiles for P
arabolic motions

1 hr

3,5

B

25

Displacement diagrams for simple harmonic motions

1 hr

3

B

26

Graphical construction of displacement diagrams and layout of
plate cam profiles for simple harmonic motions

1 hr

3

B

27

Tutorial 6 :

Problems to construct cam
profile for parabolic
and simple harmonic motions

1 hr

1,3

Tutorial

28

Displacement diagrams for cycloidal motions

1 hr

3

B

29

Graphical construction of displacement diagrams and layout of
plate cam profiles for cyloidal motions

1 hr

3

B

30

Tutorial
7
:

Problems to construct cam profile for cycloidal
motions.

1 hr

3

Tutorial

31

Introduction to Circular arc cams, Problems related to circular
arc cams

1 hr

3

B

32

Introduction to tangent cams, Problems related to tangent
cams, Undercutting and Pressure ang
le in cams

1 hr

3

B

33

Tutorial
8
:

Problems related to circular arc, tangent,
undercutting and pressure angle in cams

1 hr

3

Tutorial







\







LESSON PLAN

LP
-

11330
2

LP Rev. No:
00

Date:

28/06/11

Page
:

3

of

6


Sub Code & Name :
11330
2

Kinematics of Machiner
y


Unit:

III
Branch:
Mechanical Engg.

Semester
:
III

DOC/LP/01/28.02.02



Unit syllabus:

Classification of gears


Gear tooth terminology


Fundamental Law of toothed gearing
and involute gearing


Length of path of contact and contact ratio


Interference and
undercutting


Gear trains


Simple, compound, and epicyclic gear trains
-

Differentials



Objective:

To descr
ibe the types of gear trains and its variation
in speed through
theoretical approach



Session

No


Topics to be covered


Time


Ref

Teaching
Aids

34

Introduction to gears and its classification

1 hr

2

B

35

Gear tooth terminology

1 hr

2,3

B

36

Laws of to
othed gearing and involute gears

1 hr

2

B

37

Derivation of involute gear terminologies and prolems related
to involute gears

1 hr

3

B

38

Tutorial 9:

Problems related to involute gears

1 hr

2,3

Tutorial

39

Derivation of length of path of contact and cont
act ratio in
gears

1 hr

3

B

40

Interference and undercutting in gears

1 hr

3

B

41

Introduction to gear trains


Simple and compound trains

1 hr

3

B

42

Problems related to simple and compound gear trains

1 hr

3

B

43

Tutorial 10:

Problems solving in simp
le and compound gear
trains

1 hr

3

Tutorial

44

Problems related to epicyclic gear trains and introduction to
differentials

1 hr

3

B

45

Tutorial 11:

Problems solving in epicyclic gear trains

1 hr

3

Tutorial

46

Procedure for solving differential gears, Pr
oblems in
differential gears

1 hr

3

B

47

Tutorial 12:

Problems related to differentials

1 hr

3

Tutorial









LESSON PLAN

LP
-

113302

LP Rev. No:
00

Date:

28/06/11

Page
4

of

6


Sub Code
& Name :
11330
2

Kinematics of Machinery


Unit:

IV
Branch:
Mechanical Engg.

Semester
:
III

DOC/LP/01/28.02.02

Unit syllabus:

Dry friction


Friction in screw jack


Pivot and collar friction


plate clutches


Belt and
rope drives



Block brakes, band brakes
.


Objective:

To understand the concept of friction and its application in drives and brakes


Session

No


Topics to be covered


Time


Ref

Teaching
Aids

48

Introduction to friction, types of friction, its application

1 hr

3

B

49

Definition of cone of fri
ction and co
-
efficient of friction,
difference between static friction and dynamic friction

1 hr

3

B

50

Concepts of friction in screw jack, Problems related to screw
jack friction

1 hr

3

B

51

Concept and problem solving in pivot and collar friction

1 hr

3

B

52

Tutorial 13: Problems related to screw jack friction, pivot and
collar friction

1 hr

3

Tutorial

53

Introduction to clutches, Types of clutches and its relation over
friction, application of clutches in automobiles

1 hr

3

B

54

Concept and derivat
ion of plate clutches, Problems related to
plate clutches.

1 hr

3

B

55

Tutorial 14: Problems related to plate clutches

1 hr

3

Tutorial

56

Concept of belt drives and rope drives, derivation of length of
belt in open belt and closed belt drives

1 hr

3

B

5
7

Slip of the belt, creep of the belt, centrifugal tension in the
belt, power transmission in belt and problems in belt

1 hr

3

B

58

Introduction to brakes and its relation with friction, problems
related to block brakes, Advantages and disadvantages of
b
lock brakes

1 hr

3

B

59

Concept of band brakes and problems related to band brakes.

1 hr

3

B

60

Tutorial 15: Problems solving in belt drives, block brakes and
band brakes

1 hr

3

Tutorial














LESSON PLAN


LP
-

113302

LP Rev. No:
00

Date:

28/06/11

Page
5


of

6


SubCode & Name :
11330
2

Kinematics of M
achinery


Unit:

V

Branch:
Mechanical Engg.

Semester
:

III








Course Delivery Plan:



Week

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

I

II

I II

I II

I II

I II

I II

I II

I II

I II

I II

I II

I II

I II

I II

I II

Units















































References:



1
. S.S.Rattan
,”Theory of Machines”, second edition, Tata Mc
-
Graw Hill
, Delhi, 2008

2.

P.L.Ballaney, “Theory of Machines: A textbook for Engg students”, 15
th
edition,
Khanna,

Delhi,

1987

3.
R.S.Khurmi & J.K.Gupta, “Theory of Machines”, 14
th

Edition, Eurasia Publishing
House,

Delhi,

2005

4. V.Jayakumar
, “Kinematics of Machine
ry”,
1
st

Editi
on, Lakshmi Publisher, Chennai,
2004

5
.
http://www.mekanizmalar.com/

6.
http://pagesperso
-
orange.fr/jeanlouis.
blanchard/english/overview.html




Prepared by

Approved by

Signature

1.


2.


Name

1. Mr. C.Senthamaraikannan

2. Mr. M.Maheswaran


Dr.N.Nallusamy

Designation

Asst.Professor

Professor & Head

Date

28/06/2011




LESSON PLAN


LP
-

11330
2

LP Rev. No:
00

Date:

28
/06/11

Page
6


of

6


SubCode & Name :
11330
2

Kinematics of Machinery


Unit:

--

Branch:
Mechanical Engg.

Semester
:
III