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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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Book ChapterDOI
Dynamic Modeling and Performance Trade-offs in Flexure-based Positioning and Alignment Systems
TL;DR: A finite-element approach based on Euler-Bernoulli beam bending theory is formulated for analyzing dynamics in [15] and optimizing the design space for precision flexure-based applications in [16].
Journal ArticleDOI
Tripod mechanisms with novel spatial Cartesian flexible hinges
TL;DR: In this article, two spatial flexible hinge designs are proposed and their compliance matrices are derived based on closed-form compliances of the basic segments, which are used to formulate the stiffness matrix of tripod mechanisms that are parallel combinations of three identical hinges and a rigid link.
Journal ArticleDOI
Spring-joint method for topology optimization of planar passive compliant mechanisms
TL;DR: In this paper, a serial spring-joint mechanism (SSJM) is proposed to obtain the optimal initial topology of flexure-based compliant mechanisms directly from problem specifications without referencing to the existing mechanism topologies.
Proceedings ArticleDOI
Type Synthesis Principle and Practice of Flexure Systems in the Framework of Screw Theory: Part II—Numerations and Synthesis of Complex Flexible Joints
TL;DR: In this article, a general type synthesis process for flexible joints is presented, and the output of this process is the derivation of a multiple of flexible joint concepts that would then be modeled and optimized by existing modeling and analysis methods.
Journal ArticleDOI
Effect of material removal on workpiece dynamics in milling: Modeling and measurement
TL;DR: In this article, the fixed-free workpiece is divided into three components as machined, unmachined and fixed boundary condition in the receptance coupling model and the fixed boundary conditions are determined through the inverse receptance couplings to mathematically acquire the fixed boundaries condition of the experimental setup flexibility that causes significant difference between modeling and measurement results.