DOC/LP/01/28.02.02

/ LESSON PLAN / LP-ME6401
LP Rev. No: 00
Date:29.12.2014
Page 1 of 6
Sub Code & Name : ME6401 KINEMATICS OF MACHINERY Unit: I Branch: Mechanical Engineering Semester : III

Unit syllabus: BASICS OF MECHANISMS 9

Classification of mechanisms – Basic kinematic concepts and definitions – Degree of freedom,Mobility – Kutzbach criterion, Gruebler’s criterion –Grashof’s Law –Kinematic inversions of four-bar chain and slider crank chains –Limit positions –Mechanical advantage –Transmission Angle –Description of some common mechanisms –Quick return mechanisms, Straight line generators,Universal Joint –rocker mechanisms.

Objective: i. To understand the terms, types, and design related to mechanisms.

ii. To understand the working principles of common mechanisms

Session
No / Topics to be covered / Time
(Min) / Ref / Teaching Aids
1 / Definitions – Link, Kinematic pair, Kinematic chain, Mechanism, and Machine. -Degree of Freedom – Mobility / 50 / 2,4 / BB/LCD
2 / Kutzbach criterion (Gruebler’s equation) -Grashoff's law / 50 / 2,4 / BB/LCD
3 / Kinematic Inversions of four-bar chain and slider crank chain / 50 / 2,4 / BB/LCD
4 / Mechanical Advantage-Transmission angle. / 50 / 2,4 / BB/LCD
5 / Description of common Mechanisms - Offset slider mechanism as quick return mechanisms, Pantograph. / 50 / 2,4 / BB/LCD
6 / Pantograph, Straight line generators (Peaucellier and Watt mechanisms) / 50 / 2,4 / BB/LCD
7 / Steering gear for automobile, Hooke’s joint,
Toggle mechanism / 50 / 2,4 / BB/LCD
8 / Ratchets and escapements - Indexing Mechanisms / 50 / 2,4 / BB/LCD
9 / Problem-Mechanism / 50 / 2,4 / BB/LCD
/ LESSON PLAN / LP-ME6401
LP Rev. No: 00
Date:29.12.2014Page 2 of 6
Sub Code & Name : ME6401 KINEMATICS OF MACHINERY Unit: III Branch: Mechanical Engineering Semester : III

Unit syllabus: KINEMATICS OF CAM MECHANISMS

Classification of cams and followers – Terminology and definitions – Displacement diagrams –Uniform velocity, parabolic, simple harmonic and cycloidal motions – Derivatives of follower motions – Layout of plate cam profiles – Specified contour cams – Circular arc and tangent cams – Pressure angle and undercutting – sizing of cams.

Objective: To draw the cam profile. To study about types of cams and cam terminologies.

Session
No / Topics to be covered / Time
(Min) / Ref / Teaching Aids
10 / Classifications - Displacement diagrams-parabolic, Simple harmonic and Cycloidal motions / 50 / 1,4 / BB/LCD
11 / Layout of plate cam profiles / 50 / 1,4 / BB/LCD
12 / Derivatives of Follower motion / 50 / 1,4 / BB/LCD
13 / Problem-cam profile / Drawing Hall
14 / Problem-cam profile
15 / Problem-cam profile
16 / Problem-cam profile
17 / Circular arc and tangent cams, Pressure angle and undercutting. / 50 / 1,4 / BB/LCD
18 / Problem / 50 / 1,4 / BB/LCD
CAT I; Syllabus : Unit : I & Unit III / 75 / -- / --
/ LESSON PLAN / LP-ME6401
LP Rev. No: 00
Date:29.12.2014
Page 3 of 6
Sub Code & Name : ME6401 KINEMATICS OF MACHINERY Unit: IV Branch:Mechanical Engineering Semester : III

Unit syllabus: GEARS AND GEAR TRAINS 9

Law of toothed gearing – Involutes and cycloidal tooth profiles –Spur Gear terminology and definitions–Gear tooth action – contact ratio – Interference and undercutting. Helical, Bevel, Worm, Rack and Pinion gears [Basics only]. Gear trains – Speed ratio, train value – Parallel axis gear trains – Epicyclic Gear Trains.

Objective: To know kinematics of gears and gear trains.

Session
No / Topics to be covered / Time
(Min) / Ref / Teaching Aids
19 / Classification of gears , Spur gear Terminology / 50 / 1,2,4 / BB/LCD
20 / Fundamental Law of toothed gearing and Involute gearing / 50 / 1,2,4 / BB/LCD
21 / Length of path of contact and contact ratio / 50 / 1,2,4 / BB/LCD
22 / Interference and undercutting. / 50 / 1,2,4 / BB/LCD
23 / Problem / 50 / 1,2,4 / BB/LCD
24 / Gear trains- Simple, compound gear trains / 50 / 1,2,4 / BB/LCD
25 / Epicyclic gear trains-Differentials / 50 / 1,2,4 / BB/LCD
26 / Problem gear train / 50 / 1,2,4 / BB/LCD
27 / Problem gear train / 50 / 1,2,4 / BB/LCD
/ LESSON PLAN / LP-ME6401
LP Rev. No: 00
Date:29.12.2014
Page 5 of 6
Sub Code & Name : ME6401 KINEMATICS OF MACHINERY Unit: V Branch: Mechanical Engineering Semester :III

Unit syllabus: FRICTION IN MACHINE ELEMENTS 9

Surface contacts – Sliding and Rolling friction – Friction drives – Friction in screw threads –Bearings and lubrication – Friction clutches – Belt and rope drives – Friction in brakes- Band and Block brakes.

Objective: To understand the concept of friction and its applications

Session
No / Topics to be covered / Time
(Min) / Ref / Teaching Aids
28 / Dry friction – Friction in screw jack / 50 / 1,3,4 / BB/LCD
29 / Tutorial / 50 / 1,3,4 / BB/LCD
30 / Pivot and collar friction / 50 / 1,3,4 / BB/LCD
31 / Friction clutches / 50 / 1,3,4 / BB/LCD
32 / Tutorial / 50 / 1,3,4 / BB/LCD
33 / Belt and rope drives / 50 / 1,3,4 / BB/LCD
34 / Tutorial / 50 / 1,3,4 / BB/LCD
35 / Friction aspects in Brakes / 50 / 1,3,4 / BB/LCD
36 / Block brakes,Band brakes / 50 / 1,3,4 / BB/LCD
CAT-II / 90 / -- / ---
/ LESSON PLAN / LP-ME6401
LP Rev. No: 00
Date:29.12.2014
Page 5 of 6
Sub Code & Name : ME6401 KINEMATICS OF MACHINERY Unit: II Branch: Mechanical Engineering Semester :III

Unit syllabus: KINEMATICS OF LINKAGE MECHANISMS 9

Displacement, velocity and acceleration analysis of simple mechanisms – Graphical method– Velocity and acceleration polygons – Velocity analysis using instantaneous centres – kinematic analysis of simple mechanisms – Coincident points – Coriolis component of Acceleration – Introduction to linkage synthesis problem.

Objective: To perform kinematic analysis on various mechanisms.

Session
No / Topics to be covered / Time
(Min) / Ref / Teaching Aids
37 / Displacement, velocity and acceleration - analysis in simple mechanisms - Graphical Method / 50 / 1,2 / BB/LCD
38 / Slider-crank mechanism,Four-bar mechanism / 50 / 1,2 / BB/LCD
39 / Shaping machine mechanism - Coincident points – Coriolis acceleration / 50 / 1,2 / BB/LCD
40 / Problem / Drawing Hall
41 / Problem
42 / Analytical method of analysis of slider crank mechanism and four bar mechanism. / BB/LCD
43 / Tutorial / BB/LCD
44 / Approximate analytical expression for displacement, velocity and acceleration of piston of reciprocating engine mechanism / 50 / 1,2 / BB/LCD
45 / Problem / 50 / 1,2 / BB/LCD
CAT –III (Full Syllabus) / 90 / -- / --

Page 6 0f 6

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. Thomas Bevan, "Theory of Machines", 3rd Edition, CBS Publishers and Distributors, 2005.

2. Cleghorn. W. L, “Mechanisms of Machines”, Oxford University Press, 2005

3. Robert L. Norton, "Kinematics and Dynamics of Machinery", Tata McGraw-Hill, 2009.

4. Allen S. Hall Jr., “Kinematics and Linkage Design”, Prentice Hall, 1961

5. Ghosh. A and Mallick, A.K., “Theory of Mechanisms and Machines", Affiliated East-West Pvt.Ltd., New Delhi, 1988.

6. Rao.J.S. and Dukkipati.R.V. "Mechanisms and Machine Theory", Wiley-Eastern Ltd., New Delhi, 1992.

7. John Hannah and Stephens R.C., "Mechanics of Machines", Viva Low-Prices Student Edition,1999.

8. Ramamurthi. V, "Mechanics of Machines", Narosa Publishing House, 2002.

9. Khurmi, R.S., ”Theory of Machines”,14th Edition, S Chand Publications, 2005

10. Sadhu Sigh : Theory of Machines, "Kinematics of Machine", Third Edition, Pearson Education,2012

11. Uicker, J.J., Pennock G.R and Shigley, J.E., “Theory of Machines and Mechanisms”, 3rd Edition, Oxford University Press, 2009.

12. Rattan, S.S, “Theory of Machines”, 3rd Edition, Tata McGraw-Hill, 2009.

WEBSITE: www.howstuffworks.com, http://kmoddl.library.cornell.edu.

Prepared by / Approved by
Signature
Name / 1.  Dr.N.Muthukrishnan
2. Mr.G.Saravanaram / Dr. K.Pitchandi
Designation / 1.  Professsor
2.  Asst. Professsor / Prof.& Head
Date / 29.12.2014 / 29.12.2014