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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
Amplification ratio analysis of a bridge-type mechanical amplification mechanism based on a fully compliant model
TL;DR: In this article, the authors proposed a new mathematical model for the amplification ratio of a single-stair bridge-type amplification mechanism, where all members of the amplification mechanism are assumed to be compliant.
Journal ArticleDOI
Optimal design of rotary manipulators using shape memory alloy wire actuated flexures
TL;DR: This paper presents the design and implementation of rotary manipulators using shape memory alloy (SMA) wire actuated flexures, and contributes a new two-way manipulator to achieve bi-directional motion without sacrificing SMA strain.
Journal ArticleDOI
Compliant Joint Design Principles for High Compressive Load Situations
TL;DR: In this article, the authors describe two principles, isolation and inversion, that can be successfully applied to many compliant joints to increase their ability to withstand high compressive loads by avoiding buckling-prone loading conditions.
Proceedings ArticleDOI
Analysis and design of parallel mechanisms with flexure joints
TL;DR: This paper considers the analysis and design of general platform-type parallel mechanisms containing flexure joints and calculates the Pareto frontier, which can be used to select the desired design parameters based on secondary criteria, such as performance sensitivity and dynamic characteristics.
Journal ArticleDOI
Design and Optimization of an XYZ Parallel Micromanipulator with Flexure Hinges
Yangmin Li,Qingsong Xu +1 more
TL;DR: The CPM structure improvement is made to enlarge the workspace and eliminate or reduce the stress stiffening, buckling phenomenon, and parasitic motions of the original XYZ CPM, which leads to a new CPM with a more compact structure.