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2013 ASEE Annual Conference & Exposition


Atlanta, Georgia

Publication Date

June 23, 2013

Start Date

June 23, 2013

End Date

June 26, 2013



Conference Session

Computers in Education Division - General Technical Session 2

Tagged Division

Computers in Education

Page Count


Page Numbers

23.1015.1 - 23.1015.16



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Paper Authors


Raghu Echempati Kettering University

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Raghu Echempati is a professor and graduate programs director of Mechanical Engineering at Kettering with academic experience of over 25 years. His areas of expertise are Mechanics, CAE, Mechanism Design, Mechanical Engineering Design, Vibrations, Finite Element Analysis and Sheet Metal Forming Simulation. He is a fellow member, advisor and chair of the ASME local chapters. Also, he is a member of ASEE and SAE. He is a co-organizer of Body Design and Engineering Session of SAE World Congress and an associate editor of Journal of Passenger Cars. He has delivered lectures, short term courses and workshops at several national and international conferences. The countries include Argentina, Australia, Brazil, Germany, Korea, India, USA and Taiwan. He taught several three-month terms in Germany at HTWG-Konstanz, Konstanz. He promotes applied research and consulting and also study abroad programs. Dr. Echempati is a winner of several awards for his services to the academic and professional communities.

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Theodore Paul Dani

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Ankita Sahu

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Nathan Marshall LeBlanc

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QUICK-RETURN MECHANISM REVISITEDAbstractIn this paper, the teaching and learning experiences of the author with two summer interns at oneof the educational institutions in India is presented. These are the senior mechanical engineeringstudents from two different engineering colleges in India who spent nearly two months at theuniversity where the author spent a 3-month sabbatical as a visiting faculty. Although these twostudents took the “Theory of Machines” course at their college, a complete understanding ofkinematic and dynamic analyses of mechanisms such as a quick-return linkage were not realizedby both parties. The students were taught the basics of loop-closure equations pertaining to thekinematic and dynamic analysis of an example quick-return mechanism and were asked todevelop an Excel based program to perform calculations and plot the various characteristics suchas variation of quick return ratio as a function of the critical link lengths, kinematic and dynamiccharacteristics of the linkage, and the results of an effort to partially balance the system. Thestudents were also asked to model the linkage using the motion simulation application that iscommonly available in any CAE tool such as Catia, UG-NX, NX I-DEAS or SolidWorks.Finally, the students used the available laboratory experimental apparatus to verify some of thetheoretical calculations. The performance metric is a final report that included the learningoutcomes and recommendations for further work. It is believed that the developed Excel programcan be easily used as it is or adapted by other faculty teaching the Kinematics course.

Echempati, R., & Dani, T. P., & Sahu, A., & LeBlanc, N. M. (2013, June), QUICK-RETURN MECHANISM REVISITED Paper presented at 2013 ASEE Annual Conference & Exposition, Atlanta, Georgia. 10.18260/1-2--22400

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