# lesson plan

Mechanics

Nov 14, 2013 (5 years and 5 months ago)

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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

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

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
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

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