Fluid Power Circuits and Controls: Fundamentals and Applications, 1st Edition (Hardback) book cover

Fluid Power Circuits and Controls

Fundamentals and Applications, 1st Edition

By John S. Cundiff

CRC Press

560 pages | 330 B/W Illus.

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Hardback: 9780849309243
pub: 2001-06-28
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Description

Engineers not only need to understand the basics of how fluid power components work, but they must also be able to design these components into systems and analyze or model fluid power systems and circuits. There has long been a need for a comprehensive text on fluid power systems, written from an engineering perspective, which is suitable for an undergraduate-level course in fluid power.

Fluid Power Circuits and Controls: Fundamentals and Applications encourages students to think of the collection of components as a system. The author illustrates each concept with a circuit diagram, and as each component is discussed, immediately places it in a circuit and analyzes its performance. This approach allows students to immediately apply what they have learned and encourages them to think about how the component operating characteristics interact with the rest of the circuit.

Covering all aspects of the industry, this book:

  • Develops the basic concept for power delivery with fluids

  • Reviews basic concepts of fluid mechanics and discusses the key properties of the fluids

  • Discusses the creation and control of flow and the various methods used to control pressure in a circuit

  • Provides a detailed example of the classic problem of hydrostatic transmission design

  • Presents characteristics of auxiliary components and applicable SAE standards

  • Addresses pneumatics, focusing on the difference in power transmission for liquid and gas

  • Discusses servo valves and proportional valves without requiring a background in automatic controls

    The text is richly illustrated, filled with fully worked example problems, and reinforced with exercises in each chapter. Fluid Power Circuits and Controls offers valuable design experience and the background its readers need to approach real-world fluid power problems with confidence.

  • Table of Contents

    Preface

    BRIEF OVERVIEW OF FLUID POWER

    Introduction

    Concept of Fluid Power

    Summary

    FLUID POWER BASICS

    Introduction

    Fluid Statics

    Functions of a Working Fluid

    Fluid Properties

    Flow in Lines

    Leakage Flow

    Orifice Equation

    Summary

    Data Selected for Hydraulic Fluids

    PRESSURE CONTROL

    Introduction

    Review of Needed Symbols

    Relief Valve

    Unloading Valve

    Sequence Valve and Pressure-Reducing Valve

    Counterbalance Valve and Brake Valve

    Summary

    CREATION AND CONTROL OF FLUID FLOW

    Introduction

    Fixed Displacement Pumps

    Fixed Displacement Pump Circuits

    Variable Displacement Pump Circuits

    Comparison of Pump Performance Characteristics for Three Main Designs

    Multiple Pump Circuits

    Pump Mounts

    Flow Control Valves

    Circuits Using Flow Control Valves

    Summary

    ROTARY ACTUATORS

    Introduction

    Stall Torque Efficiency

    Typical Performance Data for a Gear motor

    Comparison of Motor Performance Characteristics for Three Main Designs

    Performance Characteristics of Low-Speed, High-Torque Motors

    Design Example for Gear Motor Application

    Interaction of Pump and Motor Characteristics

    Bent Axis motors

    Radial Piston motors

    Motor-Gearbox Combinations

    Oscillating Actuator

    Summary

    Curve Fitting Technique

    HYDROSTATIC TRANSMISSIONS

    Introduction

    Mechanical Transmissions

    Introduction to Hydrostatic Transmissions

    Hydrostatic Transmissions for Vehicle Propulsion

    Different Configurations of Hydrostatic Transmissions to Propel Vehicles

    Classification of Hydrostatic Transmissions

    Closed-Circuit Hydrostatic Transmissions

    Closed-Circuit, Closed-Loop Hydrostatic Transmissions

    Hydrostatic Transmission Design

    Summary

    Basic Concepts in Traction

    Selected Catalog Data for Hydrostatic Transmission Design Problems

    LINEAR ACTUATORS

    Introduction

    Analysis of Cylinders in Parallel and Series

    Synchronization of Cylinders

    Cushioning

    Rephasing of Cylinders

    Presses

    Load Analysis

    Types of Cylinders

    Cylinder Construction

    Summary

    TEMPERATURE AND CONTAMINATION CONTROL

    Introduction

    Temperature Control

    Contamination Control

    Summary

    AUXILIARY COMPONENTS

    Introduction

    Reservoir

    Hydraulic Lines

    Fluid Velocity in Conductors

    Options for Connecting Components

    Installation of Lines

    Design Life of Components

    System Integration

    Summary

    Selected Design Data for Fluid Conductors

    PNEUMATICS

    Introduction

    Orifice Equation

    Compressors

    Receiver

    Pipelines

    Preparation of Compressed Air

    Cylinders

    Motors

    Additional Actuator Units

    Valves

    Summary

    Standard Conditions

    SERVO VALVES

    Introduction

    Concept

    Servo Valve Construction

    Valve Performance

    Types of Servo Systems

    Servo Amplifiers

    Servo Analysis

    Summary

    PROPORTIONAL VALVES

    Introduction

    Types of Proportional Valves

    Analysis of Proportional Directional Control Valve

    Comparison of Servo and Proportional Valves

    Summary

    Summary of Equations

    Index

    About the Series

    Mechanical and Aerospace Engineering Series

    Learn more…

    Subject Categories

    BISAC Subject Codes/Headings:
    TEC007000
    TECHNOLOGY & ENGINEERING / Electrical
    TEC008010
    TECHNOLOGY & ENGINEERING / Electronics / Circuits / General