Dimensionless design graphs for flexure elements and a comparison between three flexure elements |
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| Authors: | Wouter O Schotborgh Frans G M Kokkeler Hans Tragter Fred J A M van Houten |
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| Affiliation: | Laboratory of Design, Production and Management, Department of Mechanical Engineering, University of Twente, P.O. Box 217, 7500 AE, Enschede, The Netherlands |
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| Abstract: | This paper presents dimensionless design graphs for three types of flexure elements, based on finite element analysis. Using these graphs as a design tool, a designer can determine the optimal geometry, based on the stiffness and rotation demands of a flexure element. An example is given using the beam flexure hinge.Between the analyzed flexure hinges, a comparison is made on basis of equal hinge functionality: rotation. The result describes the maximum stiffness properties from different hinges in identical situations. A beam flexure element is preferred over a circular flexure hinge for stiffness demands in a single direction, while a cross flexure element enables medium stiffness in two perpendicular directions. |
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| Keywords: | Flexure hinge Design tool Design graph Circular hinge Beam hinge Cross hinge Comparison |
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