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SRM UNIVERSITY

DEPARTMENT OF AUTOMOBILE ENGINEERING

LESSON PLAN

COURSE CODE: ME 0208

COURSE TITLE: MACHINES AND MECHANISMS

YEAR / SEM: II Year –IV Sem.

COURSE TIME – SEMESTER: ODD / EVEN YEAR: 2011-12

S.

No.Title

Ref.

Book

Page

No.

1 Overview about the course T-1

R-2

C-1

C-12

Introduction about the mechanism, elements of a mechanism like pairs

and its types, links and chains

3

Definition of degrees of freedom and its application in planar, spherical

and spatial mechanism - Grashofs law and its application - Determiningthe number of links in a pair using kutz-bak relationship.

4

Inversion of mechanisms – Four Bar Chain T-1

R-2

C-2C-3

C-2

Velocity analysis of Four bar, single slider crank and double slider

crank mechanisms using relative velocity method

5Practice of Problems in velocity analysis like Four bar, single slider

crank and double slider crank mechanisms in Relative Velocity method

6Acceleration analysis of Four bar, single slider crank and double slider

crank mechanisms using relative velocity method.

7Practice of Problems in acceleration analysis like Four bar, single slidercrank and double slider crank mechanisms in Relative Velocity method

8

Instantaneous centre method - TheoryVelocity analysis of Four bar, single slider crank and double slidercrank mechanisms using Instantaneous centre method – Simple

Problems

9 Kennedy’s theorem

10

Practice of Problems in velocity analysis like Four bar, single slider

crank and double slider crank mechanisms in Instantaneous centremethod

11 Pantograph and Steering gear mechanism - Theory T-1

R-2

C-6

12 Davis Steering gear - Derivation

13 Ackerman steering gear - Derivation

14 Hooke’s joint – Double Hooke’s joint - Derivation

15

Problems on Hook’s joint

Fundamentals of cam and its Nomenclature - Classification of cam andits follower with its different types of motion

T-1

R-2

C-7

C-816

Undercutting, Interference, Pressure angle in cams – Displacement,velocity and acceleration diagrams for various follower motions

17 Velocity and acceleration analysis – various follower motions

18 Cam profile construction - Radial Follower – Same Axis



19

Cam profile construction – Radial Follower – Offset follower

Cam profile construction – Knife edge Follower- Same Axis & offset

follower

20 Practice problems in cam construction

21 Practice problems in cam construction

22 Definition of friction and its types, applications T-1 C-8

23Screw friction and problems in screw friction

Practice problems in screw friction

24 Self locking and overhauling of screws

25 Clutches and its applications, types of clutches

26 Problems on single plate clutch and multi plate clutch

27Problems on Cone clutch and Centrifugal clutch

Torque, Power transmitted derivations and calculations - Clutches

28Gears and its basics - classification of gears - Nomenclature of gears -

Law of gearing - Undercutting and interference of gears

T-1

R-2

C-10

C-9

29

Interference in gears and some basics problems involving the

calculation of module, contact ratio..

30

Gear trains and its necessity, applications - Types of gear trains T-1

R-2

C-11

C-9calculation of speed ratio, gear speeds in simple gear train and

compound gear train

31

Train value calculation in epicyclic gear train and determination of

number of tooth in driver and driven, sun and planet gear system

Torque calculation of gear trains

32Definition of gyroscope and introduction about gyroscopic couple and

moment with precision axis of spin

T-1

R-2

C-17

C-1033 Forces on bearing due to gyroscopic action

34 Gyroscopic action and its effect in Aeroplanes

35Gyroscopic action and its effect in Ships

Gyroscopic action and its effect in two wheelers

36 Gyroscopic action and its effect in four wheelers

37 Governor and its types – Working principleT-1

R-2

C16

C-6

38 Turning moment diagram in Flywheel - Theory T-1 C-13

39” – Problem 1– Intercepted areas

” – Problem 2 – Curve equation

40” – Problem 3 –IC engine application

” – Problem 4 -Punching press

41 Problems on Flywheel & punching Press42

Balancing – Conditions & Balancing of several masses in same plane –

Analytical & Graphical method

T-1

R-2

C-14

C-7

43 Balancing of several rotating masses in different planes - Theory

44” - Problems

Problems on Balancing of Rotating masses

45 Balancing of V- engines – Theory & Problem



TEXT BOOKS

1. Ratan, S.S., Theory of Machines, Tata McGraw Hill Publishing company Ltd.,2

ndEdition, 2005.

2. Thomas Bevan, Theory of Machines, CBS Publishers and Distributors, 3rd

Edition, 1984.

REFERENCE BOOKS

1. Shigley, J. E., and Uicker, J. J., Theory of Machines and Mechanisms, McGraw

Hill, 1995.2. Ghosh, A., and Mallick, A. K., Theory of Mechanisms and Machines, Affiliated

East-West Pvt Ltd., New Delhi, 1988.

3. Rao, J. S., and Dukkipati, R.V., Mechanism and Machine Theory, Wiley–EasternLtd., New Delhi, 1995

P.BASKARA SETHUPATHI Dr.M.LEENUS JESU MARTIN

Staff Signature HOD-Automobile Engg

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machines and mechanism(1).pdf