Mechanisms and Mechanical Devices Sourcebook 4th Edition by Neil Sclater, Nicholas Chironis 0071467610 9780071467612

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ISBN 10: 0071467610

ISBN 13: 9780071467612

Author: Neil Sclater, Nicholas Chironis

Over 2000 drawings make this sourcebook a gold mine of information for learning and innovating in mechanical design The fourth edition of this unique engineering reference book covers the past, present, and future of mechanisms and mechanical devices. Among the thousands of proven mechanisms illustrated and described are many suitable for recycling into new mechanical, electromechanical, or mechatronic products and systems. Overviews of robotics, rapid prototyping, MEMS, and nanotechnology will get you up-to-speed on these cutting-edge technologies. Easy-to-read tutorial chapters on the basics of mechanisms and motion control will introduce those subjects to you or refresh your knowledge of them. Comprehensive index to speed your search for topics of interest Glossaries of terms for gears, cams, mechanisms, and robotics New industrial robot specifications and applications Mobile robots for exploration, scientific research, and defense INSIDE Mechanisms and Mechanical Devices Sourcebook, 4th Edition Basics of Mechanisms • Motion Control Systems • Industrial Robots • Mobile Robots • Drives and Mechanisms That Include Linkages, Gears, Cams, Genevas, and Ratchets • Clutches and Brakes • Devices That Latch, Fasten, and Clamp • Chains, Belts, Springs, and Screws • Shaft Couplings and Connections • Machines That Perform Specific Motions or Package, Convey, Handle, or Assure Safety • Systems for Torque, Speed, Tension, and Limit Control • Pneumatic, Hydraulic, Electric, and Electronic Instruments and Controls • Computer-Aided Design Concepts • Rapid Prototyping • New Directions in Mechanical Engineering

Mechanisms and Mechanical Devices Sourcebook 4th Table of contents:

Chapter 1 Basics of Mechanisms

Introduction

Physical Principles

Inclined Plane

Pulley Systems

Screw-Type Jack

Levers and Mechanisms

Linkages

Specialized Mechanisms

Gears and Gearing

Pulleys and Belts

Sprockets and Chains

Cam Mechanisms

Chapter 2 Motion Control Systems

Motion Control Systems Overview

Glossary of Motion Control Terms

Mechanical Components form Specialized Motion-Control Systems

Servomotors, Stepper Motors, and Actuators for Motion Control

Servosystem Feedback Sensors

Solenoids and Their Applications

Chapter 3 Industrial Robots

Introduction to Robots

Industrial Robots

Mechanism for Planar Manipulation with Simplified Kinematics

Tool-Changing Mechanism for Robot

Piezoelectric Motor in Robot Finger Joint

Self-Reconfigurable, Two-Arm Manipulator with Bracing

Improved Roller and Gear Drives for Robots and Vehicles

Glossary of Robotic Terms

Chapter 4 Mobile Scientific, Military, and Research Robots

Introduction to Mobile Robots

Scientific Mobile Robots

Military Mobile Robots

Research Mobile Robots

Second-Generation Six-Limbed Experimental Robot

All-Terrain Vehicle with Self-Righting and Pose Control

Chapter 5 Linkages: Drives and Mechanisms

Four-Bar Linkages and Typical Industrial Applications

Seven Linkages for Transport Mechanisms

Five Linkages for Straight-Line Motion

Six Expanding and Contracting Linkages

Four Linkages for Different Motions

Nine linkages for Accelerating and Decelerating linear Motions

Twelve Linkages for Multiplying Short Motions

Four Parallel-Link Mechanisms

Seven Stroke Multiplier Linkages

Nine Force and Stroke Multiplier Linkages

Eighteen Variations of Differential Linkage

Four-Bar Space Mechanisms

Seven Three-Dimensional Linkage Drives

Thirteen Different Toggle Linkage Applications

Hinged Links and Torsion Bushings Soft-Start Drives

Eight Linkages for Band Clutches and Brakes

Design of Crank-and-Rocker Links for Optimum Force Transmission

Design of Four-Bar Linkages for Angular Motion

Multi-Bar Linkages for Curvilinear Motions

Roberts’ Law Helps to Design Alternate Four-Bar Linkages

Slider-Crank Mechanism

Chapter 6 Gears: Devices, Drives, and Mechanisms

Gears and Eccentric Disk Provide Quick Indexing

Odd-Shaped Planetary Gears Smooth Stop and Go

Cycloid Gear Mechanism Controls Pump Stroke

Gears Convert Rotary-to-Linear Motion

Twin-Motor Planetary Gears Offer Safety and Dual-Speed

Eleven Cycloid Gear Mechanisms

Five Cardan-Gear Mechanisms

Controlled Differential Gear Drives

Flexible Face-Gears are Efficient High-Ratio Speed Reducers

Rotary Sequencer Gears Turn Coaxially

Planetary Gear Systems

Noncircular Gears are Balanced for Speed

Sheet-Metal Gears, Sprockets, Worms, and Ratchets for Light Loads

Thirteen Ways Gears and Clutches Can Change Speed Ratios

Gear and Clutch Shifting Mechanisms

Twinworm Gear Drive Offers Bidirectional Output

Elastomeric Gear Bearings Equalize Torque Loads

Redundant Gearing in Helicopter Transmits Torque

Worm Gear Friction Reduced by Oil Pressure

Bevel and Hypoid Gear Design Prevents Undercutting

Geared Electromechanical Rotary Joint

Geared Speed Reducers Offer One-Way Output

Design of Geared Five-Bar Mechanisms

Equations for Designing Geared Cycloid Mechanisms

Design Curves and Equations for Gear-Slider Mechanisms

Chapter 7 Cam, Geneva, and Ratchet Drives and Mechanisms

Cam-Controlled Planetary Gear System

Five Cam-Stroke-Amplifying Mechanisms

Cam-Curve-Generating Mechanisms

Fifteen Different Cam Mechanisms

Ten Special-Function Cams

Twenty Geneva Drives

Six Modified Geneva Drives

Kinematics of External Geneva Wheels

Kinematics of Internal Geneva Wheels

Star Wheels Challenge Geneva Drives for Indexing

Ratchet-Tooth Speed-Change Drive

Modified Ratchet Drive

Eight Toothless Ratchets

Analysis of Ratchet Wheels

Chapter 8 Clutches and Brakes

Twelve Clutches with External or Internal Control

Spring-Wrapped Clutch Slips at Preset Torque

Controlled-Slip Expands Spring Clutch Applications

Spring Bands Improve Overrunning Clutch

Slip and Bidirectional Clutches Combine to Control Torque

Walking Pressure Plate Delivers Constant Torque

Seven Overrunning Clutches

One-Way Clutch has Spring-Loaded Pins and Sprags

Roller Clutch provides Two Output Speeds

Seven Overriding Clutches

Ten Applications for Overrunning Clutches

Eight Sprag Clutch Applications

Six Small Clutches Perform Precise Tasks

Twelve Different Station Clutches

Twelve Applications for Electromagnetic Clutches and Brakes

Roller Locking Mechanism Contains Two Overrunning Clutches

Chapter 9 Latching, Fastening, and Clamping Devices and Mechanisms

Sixteen Latch, Toggle, and Trigger Devices

Fourteen Snap-Action Devices

Remote Controlled Latch

Toggle Fastener Inserts, Locks, and Releases Easily

Grapple Frees Loads Automatically

Quick-Release Lock Pin has a Ball Detent

Automatic Brake Locks Hoist when Driving Torque Ceases

Lift-Tong Mechanism Firmly Grips Objects

Perpendicular-Force Latch

Two Quick-Release Mechanisms

Ring Springs Clamp Platform Elevator into Position

Cammed Jaws in Hydraulic Cylinder Grip Sheet Metal

Quick-Acting Clamps for Machines and Fixtures

Nine Friction Clamping Devices

Detents for Stopping Mechanical Movements

Twelve Clamping Methods for Aligning Adjustable Parts

Spring-Loaded Chucks and Holding Fixtures

Chapter 10 Chain and Belt Devices and Mechanisms

Twelve Variable-Speed Belt and Chain Drives

Belts and Chains are Available in Manydifferent Forms

Change Center Distance without Altering Speed Ratio

Motor Mount Pivots to Control Belt Tension

Ten Roller Chains and their Adaptations

Twelve Applications for Roller Chain

Six Mechanisms for Reducing Pulsations in Chain Drives

Chapter 11 Spring and Screw Devices and Mechanisms

Flat Springs in Mechanisms

Twelve Ways to Use Metal Springs

Seven Overriding Spring Mechanisms for Low-Torque Drives

Six Spring Motors and Associated Mechanisms

Twelve Air Spring Applications

Novel Applications for Different Springs

Applications for Belleville Springs

Vibration Control with Spring Linkage

Twenty Screw Devices

Ten Applications for Screw Mechanisms

Seven Special Screw Arrangements

Fourteen Spring and Screw adjusting Devices

Chapter 12 Shaft Couplings and Connections

Four Couplings for Parallel Shafts

Links and Disks Couple Offset Shafts

Disk-and-Link Couplings Simplify Torque Transmission

Interlocking Space-Frames Flex as they Transmit Shaft Torque

Coupling with Off-Center Pins Connects Misaligned Shafts

Universal Joint Transmits Torque 45[sup(°)] At Constant Speed

Ten Universal Shaft Couplings

Nineteen Methods for Coupling Rotating Shafts

Five Different Pin-and-Link Couplings

Ten Different Splined Connections

Fourteen Ways to Fasten Hubs to Shafts

Chapter 13 Motion-Specific Devices, Mechanisms, and Machines

Timing Belts, Four-Bar linkage Team Up for Smooth Indexing

Ten Indexing and Intermittent Mechanisms

Twenty-Seven Rotary-to-Reciprocating Motion and Dwell Mechanisms

Five Friction Mechanisms for Intermittent Rotary Motion

Nine Different Ball Slides for Linear Motion

Ball-Bearing Screws Convert Rotary to Linear Motion

Nineteen Arrangements for Changing Linear Motion

Five Adjustable-Output Mechanisms

Four Different Reversing Mechanisms

Ten Mechanical Computing Mechanisms

Seven Different Mechanical Power Amplifiers

Forty-Three Variable-Speed Drives and Transmissions

Ten Variable-Speed Friction Drives

Four Drives Convert Oscillating Motion to One-Way Rotation

Operating Principles of Liquid, Semisolid, and Vacuum Pumps

Twelve Different Rotary-Pump Actions

Chapter 14 Packaging, Conveying, Handling, and Safety Mechanisms and Machines

Fifteen Devices that Sort, Feed, or Weigh

Seven Cutting Mechanisms

Two Flipping Mechanisms

One Vibrating Mechanism

Seven Basic Parts Selectors

Eleven Parts-Handling Mechanisms

Seven Automatic-Feed Mechanisms

Fifteen Conveyor Systems for Production Machines

Seven Traversing Mechanisms for Winding Machines

Vacuum Pickup for Positioning Pills

Machine Applies Labels from Stacks or Rollers

Twenty High-Speed Machines for Applying Adhesives

Twenty-Four Automatic Mechanisms for Stopping Unsafe Machines

Six Automatic Electrical Circuits for Stopping Textile Machines

Six Automatic Mechanisms for Assuring Safe Machine Operation

Chapter 15 Torque, Speed, Tension, and Limit Control Systems

Applications of the Differential Winch to Control Systems

Six Ways to Prevent Reverse Rotation

Caliper Brakes Keep Paper Tension in Web Presses

Control System for Paper Cutting

Warning System Prevents Overloading of Boom

Lever System Monitors Cable Tension

Eight Torque-Limiters Protect Light-Duty Drives

Thirteen Limiters Prevent Overloading

Seven Ways to Limit Shaft Rotation

Mechanical Systems for Controlling Tension and Speed

Nine Drives for Controlling Tension

Limit Switches in Machinery

Nine Automatic Speed Governors

Eight Speed Control Devices for Mechanisms

Chapter 16 Instruments and Controls: Pneumatic, Hydraulic, Electric, and Electronic

Twenty-Four Mechanisms Actuated by Pneumatic or Hydraulic Cylinders

Foot-Controlled Braking System

Fifteen Tasks for Pneumatic Power

Ten Applications for Metal Diaphragms and Capsules

Nine Differential Transformer Sensors

High-Speed Electronic Counters

Applications for Permanent Magnets

Nine Electrically Driven Hammers

Sixteen Thermostatic Instruments and Controls

Eight Temperature-Regulating Controls

Seven Photoelectric Controls

Liquid Level Indicators and Controllers

Applications for Explosive-Cartridge Devices

Centrifugal, Pneumatic, Hydraulic, and Electric Governors

Chapter 17 Computer-Aided Design Concepts

Introduction to Computer-Aided Design

Chapter 18 Rapid Prototyping

Rapid Prototyping Focuses on Building Functional Parts

Rapid Prototype Processes

Rapid Prototyping Steps

Commercial Rapid Prototyping Choices

Chapter 19 New Directions in Mechanical Engineering

The Role of Microtechnology in Mechanical Engineering

Micromachines Open a New Frontier for Machine Design

Multilevel Fabrication Permits more Complex and Functional MEMS

Gallery of MEMS Electron-Microscope Images

MEMS Chips Become Integrated Microcontrol Systems

Alternative Materials for Building MEMS

LIGA: An Alternative Method for Making Microminiature Parts

Miniature Multispeed Transmissions for Small Motors

The Role of Nanotechnology in Mechanical Engineering

What are Carbon Nanotubes?

Nanoactuators Based on Electrostatic Forces on Dielectrics

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