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Development Of Solid Models And Multimedia Presentations Of Kinematic Pairs

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2001 Annual Conference


Albuquerque, New Mexico

Publication Date

June 24, 2001

Start Date

June 24, 2001

End Date

June 27, 2001



Page Count


Page Numbers

6.381.1 - 6.381.12

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Paper Authors

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Scott Wharton

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Yesh Singh

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NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract

Session 2793

Development of Solid Models and Multimedia Presentations of Kinematic Pairs

Scott Michael Wharton, Dr. Yesh P. Singh The University of Texas at San Antonio, San Antonio, Texas


Understanding of complex 3D motion of kinematic pairs with 1 to 5 degrees of freedom is a difficult task to grasp for students enrolled in introductory course in kinematics. In this paper, the development of solid models and multimedia presentations of kinematic pairs is presented. Through the use of commercially available computer programs, Solidworks 99 and Photoworks, detailed three-dimensional models of kinematic pairs were developed. Form-closed and force- closed variants of each kinematic pair were modeled for a total of 24 models. The models were then animated to show the relative motion between the two bodies that make up the kinematic pair. Each animation was processed into a Windows audio/video interleave (AVI) file, allowing the viewing of the animation either on the Internet or in the classroom through the use of multimedia screens. A summary of all kinematic pairs is provided in Table 1, it will serve as a useful handout for students in reviewing the classification, degrees of freedom, name, and symbol of kinematic pairs. Table 2 presents captured screen shots from the AVI movies for each of the 12 kinematic pairs, both form-closed and force-closed are shown.


For students, the visual understanding of complex three-dimensional motion is a difficult task to master. In the study of biomechanics, it is highly important to understand the relative motion between two bodies. To replace the knee or elbow joint on the human body, an understanding on how the relative motion between the bones in the knee and elbow joint must be investigated. Connections that allow constrained relative motion are called kinematic joints, also referred to as kinematic pairs 1. Essentially, a kinematic pair consists of two rigid bodies that are kept in contact such that a constrained motion can occur between the two bodies. Kinematics is “the study of motion of mechanisms and methods of creating them” 2.

Proceedings of the 2001 American Society for Engineering Education Annual Conference & Exposition Copyright  2001, American Society for Engineering Education

Wharton, S., & Singh, Y. (2001, June), Development Of Solid Models And Multimedia Presentations Of Kinematic Pairs Paper presented at 2001 Annual Conference, Albuquerque, New Mexico.

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