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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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Design and Performance Optimization of Large Stroke Spatial Flexures
TL;DR: In this article, a method is presented for optimizing the geometry of flexure hinges, which aims at maximizing supporting stiffnesses, and the new ∞ -flexure hinge design is presented The considered hinges are subjected to a load and deflected an angle of up to ±20 degrees.
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Large range nanopositioning stage design: A three-layer and two-stage platform
TL;DR: In this article, a two-dimensional nanopositioning platform (NanoPla) is described, which is characterized by a three-layer architecture and two-stage motion strategy.
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Incorporation of flexural hinge fatigue-life cycle criteria into the topological design of compliant small-scale devices
TL;DR: In this paper, the fatigue-life of one-noded hinges is incorporated into them during the design synthesis by embedding analytical expressions accounting for stress concentration, surface finish, non-zero mean stresses and superposed multiple loading conditions into the formulation.
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Review: Tilt-Free Low-Noise Seismometry
Fabrice Matichard,Matthew Evans +1 more
TL;DR: In this paper, the authors present a discussion on the use of suspension mechanisms as an alternative to signal subtraction methods and analyze limitations related to sensor noise and geometrical couplings.
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Performance of Pseudo-Elastic Flexure Hinges in Parallel Robots for Micro-Assembly Tasks
TL;DR: In this paper, a pseudo-elastic flexure hinge is used for parallel robots for micro-assembly tasks, and the material used for the flexure hinges is a shape memory alloy permitting angular deflections of ± 30°.