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Flexures: Elements of Elastic Mechanisms
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Flexure Design: Advantages and Disadvantages of Flexures as discussed by the authors The main advantages and disadvantages of flexible design are: Basic Elasticity. Fatigue. Vibrations and Natural Frequencies of Continuous Systems.Abstract:
Introduction: Advantages and Disadvantages of Flexures. Goals of Flexure Design. Essentials: Basic Elasticity. Behavior of Materials. Fatigue. Bending of Symmetric Beams. Rigid Body Dynamics: Linear Systems Theory. Vibrations and Natural Frequencies of Continuous Systems. Flexure Elements: Leaf Type Springs. Notch Hinge. Two Axis Hinges. The Four Bar Link. Flexure Systems: General Model for Dynamics of planar Flexures. Hinges of Rotational Symmetry: The Disc Coupling. Rotationally Symmetric Leaf Type Hinge. The Bellows as a Flexure Element. Levers. Manufacturing and Assembly Considerations: Machining and Heat Treatment of Some Common Flexure Materials.read more
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Journal ArticleDOI
Topology synthesis of large‐displacement compliant mechanisms with specific output motion paths
TL;DR: A robust and efficient staggered topology optimization scheme is proposed, described and implemented to maximize the output motion of the design CM for a user-specified motion path.
Journal ArticleDOI
Deterministic Design for a Compliant Parallel Universal Joint With Constant Rotational Stiffness
Yan Xie,Jingjun Yu,Hongzhe Zhao +2 more
Proceedings ArticleDOI
Characterization of dynamic behavior of flexure-based mechanisms for precision angular alignment
TL;DR: This paper assembles models for characterizing the dynamic behavior of flexural mechanisms for angular alignment, and proposes a state-space formulation for mapping design performance variables, such as vertical deflection or angular acceleration.
Journal ArticleDOI
Design Principle of High-precision Flexure Mechanisms Based on Parasitic-motion Compensation
Shouzhong Li,Jingjun Yu +1 more
TL;DR: In this article, a general design principle and method for high-precision flexure mechanisms based on the parasitic-motion compensation is presented, and the proposed method can compensate the parasitic rotation in company with translation, or the parasitic translation in case with rotation, or both.
Journal ArticleDOI
A spatial closed-form nonlinear stiffness model for sheet flexures based on a mixed variational principle including third-order effects
TL;DR: In this paper, a model for the nonlinear stiffness characteristics of spatially deforming sheet flexures under general 3-D load conditions at moderate deformations is presented, where the effects of bending, shear, elongation, torsion and warping deformation are taken into account.