2nd Edition

Clutches and Brakes Design and Selection

By William C. Orthwein Copyright 2004

    Conveniently gathering formulas, analytical methods, and graphs for the design and selection of a wide variety of brakes and clutches in the automotive, aircraft, farming, and manufacturing industries, Clutches and Brakes: Design and Selection, Second Edition simplifies calculations, acquaints engineers with an expansive range of application, and assists in the selection of parameters for specific design challenges.

    Contains an abundance of examples, 550 display equations, and more than 200 figures for clear presentation of various design strategies

    Thoroughly revised throughout, the second edition offers…

  • Additional chapters on friction drives and fluid clutches and retarders
  • An extended discussion on cone brakes and clutches
  • A simpler formulation of the torque from a centrifugal clutch
  • Updated sections on automatic braking systems
  • An analysis of variable-speed friction drives with clutch capability
  • Analytical and computer-assisted design techniques
  • FRICTION MATERIALS
    Friction Code
    Wear
    Brake Fade
    Friction Materials
    Notation
    References
    BAND BRAKES
    Derivation of Equations
    Application
    Lever-Actuated Band Brake: Backstop Design
    Example: Design of a Backstop
    Notation
    Formula Collection
    References
    EXTERNALLY AND INTERNALLY PIVOTED SHOE BRAKES
    Pivoted External Drum Brakes
    Pivoted Internal Drum Brakes
    Design of Dual-Anchor Twin-Shoe Drum Brakes
    Dual-Anchor Twin-Shoe Drum Brake Design Examples
    Design of Single-Anchor Twin-Shoe Drum Brakes
    Single-Anchor Twin-Shoe Drum Brake Design Examples
    Electric Brakes
    Notation
    Formula Collection
    References
    LINEARLY ACTING EXTERNAL AND INTERNAL DRUM BRAKES
    Braking Torque and Moments for Centrally Pivoted External Shoes
    Braking Torque and Moments for Symmetrically Supported Internal Shoes
    Design Examples
    Notation
    Formula Collection
    DRY AND WET DISK BRAKES AND CLUTCHES
    Caliper Disk Brakes
    Ventilated Disk Brakes
    Annular Contact Disk Brakes and Clutches
    Design Examples
    Notation
    Formula Collection
    CONE BRAKES AND CLUTCHES
    Torque and Activation Force
    Folded Cone Brake
    Design Examples
    Notation
    Formula Collection
    References
    MAGNETIC PARTICLE, HYSTERESIS, AND EDDY-CURRENT BRAKES AND CLUTCHES
    Theoretical Background
    Magnetic Particle Brakes and Clutches
    Hysteresis Brakes and Clutches
    Eddy-Current Brakes and Clutches
    Notation
    References
    ACCELERATION TIME AND HEAT DISSIPATION CALCULATIONS
    Energy Dissipated in Braking
    Mechanical Energy of Representative Systems
    Braking and Clutching Time and Torque
    Clutch Torque and Acceleration Time
    Example 1: Grinding Wheel
    Example 2: Conveyor Brake
    Example 3: Rotary Kiln
    Example 4: Crane
    Example 5: Magnetic Particle or Hysteresis Brake Dynamometer
    Example 6: Tension Control
    Example 7: Torque and Speed Control
    Example 8: Soft Start
    Notation
    Formula Collection
    CENTRIFUGAL, ONE-WAY, AND DETENT CLUTCHES
    Centrifugal Clutches
    One-Way Clutch: The Spring Clutch
    Overrunning Clutches: The Roller Clutch
    Overrunning Clutches: The Sprag Clutch
    Torque Limiting Clutch: Tooth and Detent Types
    Torque Limiting Clutch: Friction Type
    Notation
    Formula Collection
    References
    FRICTION DRIVES WITH CLUTCH CAPABILITY
    Belt Drives
    Friction Wheel Drive
    Friction Cone Drive
    Example 1: Belt Drive, Hinged Motor Mount
    Example 2: Belt Drive, Sliding Motor Mount
    Example 3: Cone Drive
    Notation
    Formula Collection
    FLUID CLUTCHES AND BRAKES
    Fluid Couplings as Clutches
    Fluid Brakes: Retarders
    Magnetorheological Suspension Clutch and Brake
    Notation
    Formula Collection
    References
    ANTILOCK BRAKING SYSTEMS
    Tire/Road Friction Coefficient
    Mechanical Skid Detection
    Electrical Skid Detection: Sensors
    Electrical Skid Detection: Control
    Notation
    Formula Collection
    References
    BRAKE VIBRATION
    Brief Historical Outline
    Recent Experimental Data
    Finite Element Analysis
    Caliper Brake Noise Reduction
    References
    ENGINEERING STANDARDS FOR CLUTCHES AND BRAKES
    SAE Standards
    American National Standards Institute (ANSI)
    Other Standards Organizations
    BIBLIOGRAPHY
    INDEX

    Biography

    William C. Orthwein

    "…an indispensable authoritative text by a leading expert in the field….recommended."
    -Applied Mechanics Reviews, about the first edition