Compliant Mechanisms: Design of Flexure Hinges, 1st Edition (Hardback) book cover

Compliant Mechanisms

Design of Flexure Hinges, 1st Edition

By Nicolae Lobontiu

CRC Press

472 pages | 127 B/W Illus.

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pub: 2002-12-27
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Description

Flexure hinges hold several advantages over classical rotation joints, including no friction losses, no need for lubrication, no hysteresis, compactness, capacity to be utilized in small-scale applications, ease of fabrication, virtually no assembly, and no required maintenance. Compliant Mechanisms: Design of Flexure Hinges provides practical answers to the present and future needs of efficient design, analysis, and optimization of devices that incorporate flexure hinges. With a highly original approach the text:

  • Discusses new and classical types of flexure hinges (single-, two- and multiple-axis) for two- and three-dimensional applications

  • Addresses a wide range of industrial applications, including micro- and nano-scale mechanisms

  • Quantifies flexibility, precision of rotation, sensitivity to parasitic loading, energy consumption, and stress limitations through closed-form compliance equations

  • Offers a unitary presentation of individual flexure hinges as fully-compliant members by means of closed-form compliance (spring rates) equations

  • Fully defines the lumped-parameter compliance, inertia and damping properties of flexure hinges

  • Develops a finite element approach to compliant mechanisms by giving the elemental formulation of new flexure hinge line elements

  • Incorporates more advanced topics dedicated to flexure hinges including large deformations, buckling, torsion, composite flexures, shape optimization and thermal effects

    Compliant Mechanisms: Design of Flexure Hinges provides practical answers and directions to the needs of efficiently designing, analyzing, and optimizing devices that include flexure hinges. It contains ready-to-use plots and simple equations describing several flexure types for the professional that needs quick solutions to current applications. The book also provides self-contained, easy-to-apply mathematical tools that provide sufficient guidance for real-time problem solving of further applications.

  • Table of Contents

    Preface

    INTRODUCTION

    COMPLIANCE-BASED DESIGN OF FLEXURE HINGES

    Introduction

    Generic Mathematical Formulation

    Single-Axis Flexure Hinges for Two-Dimensional Applications

    Multiple-Axis Flexure Hinges for Three-Dimensional Applications

    Two-Axis Flexure Hinges for Three-Dimensional Applications

    Conclusions

    STATICS OF FLEXURE-BASED COMPLIANT MECHANISMS

    Introduction

    Planar Compliant Mechanisms

    Spatial Compliant Mechanisms

    DYNAMICS OF FLEXURE-BASED COMPLIANT MECHANISMS

    Introduction

    Elastic Potential Energy for Individual Flexure Hinges

    Kinetic Energy for Individual Flexure Hinges

    Free and Forced Response of Flexure-Based Compliant Mechanisms

    Damping Effects

    FINITE ELEMENT FORMULATION FOR FLEXURE HINGES AND FLEXURE-BASED COMPLIANT MECHANISMS

    Introduction

    Generic Formulation

    Elemental Matrices for Flexure Hinges

    Elemental Matrices for Rigid Links

    Application Example

    Appendix

    TOPICS BEYOND THE MINIMAL MODELING APPROACH TO FLEXURE HINGES

    Large Deformations

    Buckling

    Torsion of Noncircular Cross-Section Flexure Hinges

    Composite Flexure Hinges

    Thermal Effects

    Shape Optimization

    Means of Actuation

    Fabrication

    APPLICATIONS OF FLEXURE-BASED COMPLIANT MECHANISMS

    Macroscale Applications

    Microscale (MEMS) Applications

    Subject Categories

    BISAC Subject Codes/Headings:
    TEC009070
    TECHNOLOGY & ENGINEERING / Mechanical
    TEC016000
    TECHNOLOGY & ENGINEERING / Industrial Design / General