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CONCORDIA UNIVERSITY

FACULTY OF ENGINEERING AND COMPUTER SCIENCE

DEPARTMENT OF MECHANICAL AND INDUSTRIAL ENGINEERING

MECH 343 – THEORY OF MACHINES I - Winter 2011 Credits 3.50

COURSE OUTLINE

Instructor Section M: Dr. S. Narayanswamy, Office: EV4-124

Time & Classroom: - - W - -, 17:45 - 20:15, Classroom: H 553

Office Hours: - - W - -, 14:00 – 16:00 or by appointment

Phone/E-Mail: 514-848-2424 ex.7923 / nrskumar@encs.concordia.ca

Web Site: http://users.encs.concordia.ca/~nrskumar

TEACHING ASSISTANTS

Tutors: Tutorial class: MA - - - - F 08:45 – 09:35 – room FG-B055

Tutor: Ossama Abdelsalam, ossama_ramy@yahoo.com

Tutorial class: MB M - - - - 08:45 – 09:35 – room FG-B080

Tutor: Shahram Shokouhfar, shahram.shokouhfar@gmail.com

Marker:

For all course submissions: Gurpreet Singh, gurpritsinghdhillon@gmail.com

Lab Instructors: Lab Sections: MM; MN; MO; MP; MK and MR

Instructors: Ali Zohaib, xohaib.shah@gmail.com (for Sections MM and MN)

Gurpreet Singh, gurpritsinghdhillon@gmail.com (for Sections MM; MN; MO; MP and MK)

Pooya Rowghantan, p_rowgh@encs.concordia.ca (for Sections MO and MP) Mohamed Ahmed, mr_geuchy@yahoo.com (for Section MR)

TEXTBOOK (Mandatory)

Kinematics and Dynamics of Machines, G. H. Martin, Waveland Press Inc., Second Edition, 2002

LABIRATORY (Mandatory)

2 hours alternate week, H-1040 (will start in the week of Jan 09, 2012 as week 1)

LAB MANUAL

Lab manual and schedule of the laboratory is available on course website

COURSE OBJECTIVES

Kinematic and dynamic analysis of linkages and machines is a principal step in the design process.

The main objective of the course is to present fundamental principles for kinematic analysis, and

synthesis of mechanisms and machines. After passing this course students should be able to find

mobility of different types of mechanism, to perform position, velocity and acceleration analysis using

graphical and analytical methods, to synthesize linkages, to analyze different types of gears and gear

trains, to perform static and dynamic force analysis of linkages and design flywheels for different

applications.

GRADUATE ATTRIBUTES

In most engineering problems specially those related to kinematics and dynamics of machines,

engineers should wisely employ appropriate techniques with clear understanding of their limitations in

order to analyze and synthesize different mechanisms. Considering this, the following graduate

attributes will be included in this course

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Engineering Tool Usage: An ability to create, select and apply appropriate techniques, resources,

and modern engineering tools, including prediction and modeling, to a range of engineering activities,

from simple to complex, with an understanding of the associated limitations.

Practice: Mainly class discussions and provided assignments address this skill.

Evaluation: This attribute will be evaluated based on the exam questions and term tests.

COURSE PLAN

Week Date Chapter

in Text Description

1 4th

Jan 1 Introduction, Classification of Mechanisms, Pairing elements, Classification of motions,

Mobility criterion, Grashof’s Law

2 11th

Jan 2, 3

Position, Velocity and Acceleration of a Point; Linear and Angular Velocities and

Accelerations; Line of Transmission; Angular-Velocity Ratio; Sliding and Rolling

Contacts; Different types of Linkages

3 18th

Jan

4, 5, 6, 7

Velocities and Accelerations in Mechanisms by Methods of Relative Velocities; Velocity

and Acceleration image; Coriollis Acceleration; Instant Centers of Velocities; Kennedy’s

Theorem; Velocities by Instant Centers; Velocities by Components; Kinematic Analysis

by Complex Numbers; Centroids; Equivalent Linkages

4 25th

Jan

5 1st Feb

6 8th

Feb

7 15th

Feb

12, 13

Spur Gear; Fundamental Law of Gearing; Gear Nomenclature; Contact Ratio; Interference

and Undercutting; Involute Rack; Methods of Gear Manufacture; Involumetry; Parallel

and Cross Helical Gears; Worm Gears; Bevel Gears; Gear Trains; Planetary Gear Train

22nd

Feb

8 29th

Feb

9 7th

Mar 14 Synthesis of Mechanisms; Design for Coupler Position; Block’s Method of Synthesis;

Freudenstein’s Method; Function Generators

10 14th

Mar

16, 17

Static Force Analysis; Dynamic Force Analysis; Inertia and External Force Analysis by

D’Alembert’s Principle; Linkage Force Analysis by the Method of Virtual Work; Linkage

Force Analysis by Matrix Method; Spur , Helical, Bevel, and Worm Gear Force Analysis

11 21st Mar

12 28th

Mar

13 4th

Apr 18 Flywheel; Review

MIDTERM TEST

One closed book midterm exam, common for both sections of the course, for 90 minutes will be

held on the Saturday, 18th

of Feb 2012. No formula sheets will be provided. The topics for the test and

the venue will be posted on the course webpage. No alternate midterm exam will be conducted.

QUIZZES

Two quizzes of 45 minutes each will be conducted during the lecture hours on 1st February and

14th

March 2012. The materials covered in the quizzes will be announced in the class 1 week before the

quiz.

EVALUATION SCHEME

Assessment Criteria Share towards Final

Quizzes (2) – Closed Book 15 Marks 15 Marks

Laboratory 15 Marks 15 Marks

Exams:

Midterm - Closed book 20 Marks

Final – Closed book 50 Marks 70 Marks

Total 100 Marks with Midterm 100 Marks without Midterm

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OTHER USEFUL REFERENCES

1. J. J. Uicker, Jr., G. R. Pennock and J. E. Shigley, Theory of Machines and Mechanisms, Third

Edition, Oxford University Press, 2003

2. H. H. Mabie and C. F. Reinholtz, Mechanics and Dynamics of Machinery, Fourth Edition, John

Wiley, 1987

3. K. J. Waldron and G. L. Kinzel, Kinematics, Dynamics, and Design of Machinery, John Wiley,

1999

4. R. L. Norton, Design of Machinery, Third Edition, McGraw Hill, 2004

5. A. G. Erdman, G. N. Sandor and S. Kota, Mechanism Design; Analysis and Synthesis, Vol 1,

Fourth Edition, Prentice Hall, 2001

Note: the reference 1, which is very useful, is available at our Library on a 3 hour loan.

GENERAL NOTE

1. Lab is Mandatory, and students must complete satisfactory all the labs in order to obtain a

passing grade in the course. Students have to get the lab instructor’s signature on their data sheet. Lab

reports have to be submitted at the following lab (2 weeks later). Lab reports has to be started with

Expectation of Originality Form available at http://www.encs.concordia.ca/documents/expectations.pdf

2. Two quizzes will be held during lecture hours and there will be no makeup test for quizzes.

3. The final examination (closed book) will be held during the university wide examination period

in April. It should be noted that in order to pass the course you have to obtain atleast 50% of mark from

final exam.

4. Electronic communication devices (including cell phones) are not allowed in examination rooms.

5. Only faculty approved calculators will be allowed for exams.

6. In the event of extraordinary circumstances beyond the University control, the content and/or

evaluation scheme in this course is subject to change.