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Flexibility Calculation of Like-U Type Flexure Hinge
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A new like-U type flexure hinge structure is proposed, based on Castigliano’s second theorem and calculus
theory. Taking the centrifugal angle parameters as the integration variable, and defining the intermediate parameters, it
deduces the analytic computational formula for the like-U type flexure hinge flexibility. By changing the structural
parameter of the flexure hinge, it is able to transform four different structure flexure hinges, and the deduced analytic
computation formula can be applied to all of these four structures flexure hinges. After the twelve flexure hinges of
different structures have been analyzed by applying finite-element method, it is found that the results are in good
agreement with the results of analytic computation formula. Thus, the validity of the analytic computation formula is
verified, realize accurate design and computation for such flexure hinges is realized, and the theoretical base for technical
application of like-U type flexure hinge is provided.
Bentham Science Publishers Ltd.
Title: Flexibility Calculation of Like-U Type Flexure Hinge
Description:
A new like-U type flexure hinge structure is proposed, based on Castigliano’s second theorem and calculus
theory.
Taking the centrifugal angle parameters as the integration variable, and defining the intermediate parameters, it
deduces the analytic computational formula for the like-U type flexure hinge flexibility.
By changing the structural
parameter of the flexure hinge, it is able to transform four different structure flexure hinges, and the deduced analytic
computation formula can be applied to all of these four structures flexure hinges.
After the twelve flexure hinges of
different structures have been analyzed by applying finite-element method, it is found that the results are in good
agreement with the results of analytic computation formula.
Thus, the validity of the analytic computation formula is
verified, realize accurate design and computation for such flexure hinges is realized, and the theoretical base for technical
application of like-U type flexure hinge is provided.
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