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On stiffness improvement of the Tricept machine tool

Published online by Cambridge University Press:  27 April 2005

Dan Zhang
Dan Zhang
Affiliation:
Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, Oshawa, Ontario (Canada) L1H 7K4 E-mail: Dan.Zhang@uoit.ca
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Abstract

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In this paper, an alternate passive leg structure is proposed for the Tricept machine tool to form a modified Tricept machine tool. The global stiffness of the modified Tricept machine tool is derived and compared with that of the Tricept machine tool. First, the configurations of the Tricept machine tool and the modified Tricept machine tool are introduced, respectively. Then, the global velocity equations are derived and the stiffness models of the two configurations are presented and analyzed. Finally, the advantages and disadvantages of the two types of passive leg structure are analyzed and discussed and stiffness simulations are conducted.

Keywords

Triceps machine toolStiffness improvementPassive leg structure
Type
Research Article
Information
Robotica , Volume 23 , Issue 3 , May 2005 , pp. 377 - 386
Copyright
© 2005 Cambridge University Press