FORM NO. CF 6

LESSON PLAN

RAJALAKSHMI INSTITUTE OF TECHNOLOGY Kuthambakkam, Chennai-602107

LESSON PLAN

Faculty Name : S.ANANTH

Subject Name : KINEMATICS OF MACHINERY Code : ME2203

Year : II Semester : III

Degree & Branch : B.E. – Mechanical Engineering

Objective:

To understand the concept of machines, mechanisms and related terminologies. To analyse a mechanism for displacement, velocity and acceleration at any point in a moving link To understand the theory of gears, gear trains and cams To understand the role of friction in drives and brakes.

Text Book(s):

1. Ambekar A. G., Mechanism and Machine Theory, Prentice Hall of India, NewDelhi, 2007.2. Uicker J.J.,Pennock G.R., Shigley J.E., “Theory of Machines andMechanisms”(Indian Edition), Oxford University Press, 2003.

Reference Book(s):

1. Thomas Bevan, “Theory of Machines”, CBS Publishers and Distributors, 1984.2. Ramamurti,V.,’ Mechanism and Machine Theory”, Second Edition, NarosaPublishing House, 20053. Ghosh A and A.K.Mallick, “Theory of Mechanisms and Machines”, Affiliated East-West Pvt. Ltd., New Delhi, 1998.4. Rao J.S and Dukkipati R.V, “Mechanism and Machine Theory”, Wiley-EasternLtd., New Delhi, 199 2.5. John Hannah and Stephens R.C, “Mechanics of Machines”, Viva Low-Prices

FORM NO. CF 6

LESSON PLAN

S.

No.

Proposed

Date Actual Date

Period/

HoursUnit Topic(s) Book

Book

No.

UNIT I BASICS OF MECHANISMS

1 1 IDefinitions – Link, Kinematic pair, Kinematic chain, T 2

2 2 IMechanism and Machine. -Degreeof Freedom – Mobility

T 2

3 3-5 I

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

T 2

4 6-8 I

Pantograph, Straight line generators (Peaucellier and Watt mechanisms),Steering gear for automobile,

T 2

5 9-10 I

Hooke’s joint, Toggle mechanism, Ratchets and escapements - Indexing Mechanisms.

T 2

6 11 1 Tutorials T 1

UNIT-II KINEMATIC ANALYSIS

6 12 II

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

R 2,3

S.

No.

Proposed

Date Actual Date

Period/

HoursUnit Topic(s) Book

Book

No.

7 13-15 IIGraphical Methods for displacement, velocity and acceleration;

R 2,3

8 16 II

Shapingmachine mechanism - Coincident points – Coriolis acceleration

R 2,3

9 17-19 II

Analytical method ofanalysis of slider crank mechanism and four bar mechanism

R 2,3

10 20-23 II

Approximate analyticalexpression for displacement, velocity and acceleration of piston of reciprocating engineMechanism.

R 2,3

11 24-28 II Tutorials R 2,3

UNIT III KINEMATICS OF CAMS

16 29-32 III

Classifications - Displacement diagrams - Parabolic, Simple harmonic and Cycloidalmotions

R 3,4

17 33-36 III

Graphical construction of displacement diagrams and layout of plate camprofiles

R 3,4

18 37 III circular arc and tangent cams R 3,4

19 38-41 III Pressure angle and undercutting. R 3,4

20 42-43 III Tutorials R 3,4

UNIT IV GEARS

22 44 IVClassification of gears – Gear tooth terminology T 1

S.

No.

Proposed

Date Actual Date

Period/

HoursUnit Topic(s) Book

Book

No.

23 45-47 IVFundamental Law of toothed gearingand involute gearing T 1

24 48-51 IVLength of path of contact and contact ratio T 1

25 52-54 IVInterference andundercutting T 1

26 55-57 IVGear trains – Simple, compound and Epicyclic gear trains T 2

27 58 Differentials.

28 59-60 IV Tutorials T 1

UNIT V FRICTION

29 61 V Dry friction – Friction in screw jack R 2

28 62 V Pivot and collar friction R 2

30 63 V Plate clutches R 2

31 64 VBelt andrope drives R 2

32 65 V Block brakes, band brakes. R 2

33 66-67 V Tutorials R 2

L = 45, T = 22 TOTAL: 67 PERIODS

T - Text Book / R - Reference Book

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