Foreword
Chapter 1 Introductions and Definitions
1.1 Basic Notions
1.2 Influence of Stiffness and Damping on Strength
and Length of Service
1.3 Negative Stiffness and Damping
1.4 Stiffness and Damping of Some Widely
Used Materials
1.5 General Comments on Stiffness in
Mechanical Design
References
Chapter 2 Modes of Loading and Stiffness of Structural
Components
2.1 Influence of Mode of Loading on Stiffness
2.2 Influence of Beam Design on its Bending Stiffness
and Damping
2.3 Torsional Stiffness
2.4 Influence of Stress Concentrations
2.5 Stiffness of Frame/Bed Components
2.6 General Comments on Stiffness Enhancement of
Structural Components
2.7 Stiffness-Critical Metal Elastic Elements (Springs)
2.8 Static Deformation Characteristics of Quasi-Linear
Rubber Elements
References
Chapter 3 Nonlinear and Variable Stiffness Systems;
Preloading
3.1 Definitions
3.2 Embodiments of Mechanical Elements
with Nonlinear Stiffness
3.3 Statically Nonlinear Rubber Elements
3.4 Stiffness Management by Preloading
(Strength-to-Stiffness Transformation)
3.5 Assembled Frame-Like and Beam-Like Structures
References
Chapter 4 Contact (Joint) Stiffness and Damping
4.1 Introduction
4.2 Contact Deformations Between Non-Conforming Surfaces
4.3 Contact Deformations Between Conforming and Quasi-Comforming Surfaces
4.4 Contact Stiffness in Structural Analysis
4.5 Quasi-Conforming Contact Deformations in Cylindrical/Conical Connections
4.6 Tangential Contact Compliance
4.7 Practical Case: Study of a Modular Tooling System
4.8 Damping of Mechanical Contacts
References
Chapter 5 Supporting Systems/Foundations
5.1 Influence of Support Characteristics
5.2 Rational Location of Supporting/Mounting Elements
5.3 Overconstrained (Statically Indeterminate) Systems
5.4 Influence of Foundation on Structural Deformations
5.5 Deformations of Long Machine Bases
References
Chapter 6 Stiffness and Damping of Power Transmission Systems and Drives
6.1 Basic Notions
6.2 Compliance of Mechanical Power Transmission and Drive Components
6.3 Parameter Reduction in Mathematical Models
6.4 Practical Examples of Structural Compliance Breakdown
6.5 More on Stiffness and Damping of Antifriction Bearings and Spindles
6.6 Damping in Power Transmission Systems
References
Chapter 7 Design Techniques for Reducing Structural Deformations (Stiffness Enhancement
Techniques )
7.1 Structural Optimization Techniques
7.2 Compensation of Structural Deformations
7.3 Stiffness Enhancement by Reduction of Stress Concentrations
7.4 Strength-to-Stiffness Transformation
7.5 Temporary Stiffness Enhancement Techniques
7.6 Performance Enhancement of Cantilever Components
7.7 Damping Enhancement Techniques
References
Chapter 8 Use of “Managed Stiffness” in Design
8.1 Cutting Edge/Machine Tool Structure Interface
8.2 Stiffness of Clamping Devices
8.3 Modular Tooling
8.4 Tool/Machine Interfaces. Tapered Connections
8.5 Benefits of Intentional Stiffness Reduction in Design Components
8.6 Constant Force (Zero Stiffness) Vibration Isolation Systems
8.7 Anisotropic Elastic Elements as Limited Travel Bearings (Flexures)
8.8 Modification of Parameters in Dynamic Models
References
Appendix 1 Single- Degree-of-Freedom Dynamic Systems with Damping
References
Appendix 2 Stiffness/Damping/Natural Frequency Criteria
References
Appendix 3 Influence of Axial Force on Beam Vibrations
Reference
Appendix 4 Characteristics of Elastomeric (Rubberlike) Materials
References
Appendix 5 Power Transmission Couplings References
References
Appendix 6 Systems with Multiple Load-Carrying Components
References
Appendix 7 Compliance Breakdown for a Cylindrical (OD) Grinder
References
About the Author
Index