Journal
PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY
Volume 29, Issue 1, Pages 41-47Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.precisioneng.2004.04.003
Keywords
flexure hinge; design tool; design graph; circular hinge; beam hinge; cross hinge; comparison
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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. (C) 2004 Published by Elsevier Inc.
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