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| Introduction | |
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| Historical Development of the Assembly Process | |
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| Choice of Assembly Method | |
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| Social Effects of Automation | |
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| References | |
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| Automatic Assembly Transfer Systems | |
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| Continuous Transfer | |
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| Intermittent Transfer | |
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| Indexing Mechanisms | |
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| Operator-Paced Free-Transfer Machine | |
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| References | |
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| Automatic Feeding and Orienting - Vibratory Feeders | |
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| Mechanics of Vibratory Conveying | |
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| Effect of Frequency | |
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| Effect of Track Acceleration | |
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| Effect of Vibration Angle | |
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| Effect of Track Angle | |
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| Effect of Coefficient of Friction | |
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| Estimating the Mean Conveying Velocity | |
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| Load Sensitivity | |
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| Solutions to Load Sensitivity | |
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| Spiral Elevators | |
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| Balanced Feeders | |
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| Orientation of Parts | |
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| Typical Orienting System | |
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| Effect of Active Orienting Devices on Feed Rate | |
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| Analysis of Orienting Systems | |
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| Orienting System | |
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| Method of System Analysis | |
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| Optimization | |
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| Performance of an Orienting Device | |
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| Analysis | |
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| Natural Resting Aspects of Parts for Automatic Handling | |
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| Assumptions | |
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| Analysis for Soft Surfaces | |
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| Analysis for Hard Surfaces | |
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| Analysis for Cylinders and Prisms with Displaced Centers of Mass | |
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| Summary of Results | |
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| Analysis of a Typical Orienting System | |
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| Design of Orienting Devices | |
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| Out-of-Bowl Tooling | |
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| References | |
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| Automatic Feeding and Orienting - Mechanical Feeders | |
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| Reciprocating-Tube Hopper Feeder | |
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| General Features | |
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| Specific Applications | |
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| Centerboard Hopper Feeder | |
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| Maximum Track Inclination | |
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| Load Sensitivity and Efficiency | |
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| Reciprocating-Fork Hopper Feeder | |
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| External Gate Hopper Feeder | |
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| Feed Rate | |
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| Load Sensitivity and Efficiency | |
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| Rotary-Disk Feeder | |
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| Indexing Rotary-Disk Feeder | |
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| Rotary-Disk Feeder with Continuous Drive | |
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| Load Sensitivity and Efficiency | |
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| Centrifugal Hopper Feeder | |
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| Feed Rate | |
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| Efficiency | |
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| Stationary-Hook Hopper Feeder | |
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| Design of the Hook | |
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| Feed Rate | |
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| Bladed-Wheel Hopper Feeder | |
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| Tumbling-Barrel Hopper Feeder | |
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| Feed Rate | |
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| Rotary-Centerboard Hopper Feeder | |
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| Magnetic-Disk Feeder | |
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| Elevating Hopper Feeder | |
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| Magnetic Elevating Hopper Feeder | |
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| Magazines | |
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| References | |
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| Feed Tracks, Escapements, Parts-Placement Mechanisms, and Robots | |
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| Gravity Feed Tracks | |
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| Analysis of Horizontal-Delivery Feed Track | |
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| Example | |
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| On/Off Sensors | |
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| Theory | |
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| Feed Track Section | |
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| Design of Gravity Feed Tracks for Headed Parts | |
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| Analysis | |
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| Results | |
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| Procedure for Use of Figure 5.17 to Figure 5.20 | |
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| Powered Feed Tracks | |
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| Example | |
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| Escapements | |
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| Ratchet Escapements | |
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| Slide Escapements | |
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| Drum Escapements | |
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| Gate Escapements | |
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| Jaw Escapements | |
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| Parts-Placing Mechanisms | |
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| Assembly Robots | |
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| Terminology | |
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| Advantages of Robot Assembly | |
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| Magazines | |
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| Types of Magazine Systems | |
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| Automatic Feeders for Robot Assembly | |
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| Economics of Part Presentation | |
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| Design of Robot Assembly Systems | |
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| References | |
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| Performance and Economics of Assembly Systems | |
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| Indexing Machines | |
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| Effect of Parts Quality on Downtime | |
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| Effects of Parts Quality on Production Time | |
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| Effect of Parts Quality on the Cost of Assembly | |
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| Free-Transfer Machines | |
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| Performance of a Free-Transfer Machine | |
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| Average Production Time for a Free-Transfer Machine | |
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| Number of Personnel Needed for Fault Correction | |
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| Basis for Economic Comparisons of Automation Equipment | |
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| Basic Cost Equations | |
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| Comparison of Indexing and Free-Transfer Machines | |
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| Indexing Machine | |
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| Free-Transfer Machine | |
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| Effect of Production Volume | |
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| Economics of Robot Assembly | |
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| Parts Presentation | |
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| Profile of Typical Candidate Assembly | |
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| Single-Station Systems | |
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| Equipment Costs | |
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| Personnel Costs | |
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| Parts Quality | |
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| Basic Cost Equation | |
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| Multistation Transfer Systems | |
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| Equipment Costs | |
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| Cost Equation | |
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| References | |
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| Design for Manual Assembly | |
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| Introduction | |
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| Where Design for Assembly Fits in the Design Process | |
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| General Design Guidelines for Manual Assembly | |
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| Design Guidelines for Part Handling | |
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| Design Guidelines for Insertion and Fastening | |
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| Development of a Systematic DFA Analysis Method | |
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| DFA Index | |
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| Classification System for Manual Handling | |
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| Classification System for Manual Insertion and Fastening | |
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| Effect of Part Symmetry on Handling Time | |
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| Effect of Part Thickness and Size on Handling Time | |
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| Effect of Weight on Handling Time | |
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| Parts Requiring Two Hands for Manipulation | |
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| Effects of Combinations of Factors | |
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| Threaded Fasteners | |
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| Effects of Holding Down | |
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| Problems with Manual Assembly Time Standards | |
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| Application of the DFA Method | |
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| Results of the Analysis | |
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| Further General Design Guidelines | |
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| References | |
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| Product Design for High-Speed Automatic Assembly and Robot Assembly | |
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| Introduction | |
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| Design of Parts for High-Speed Feeding and Orienting | |
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| Example | |
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| Additional Feeding Difficulties | |
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| High-Speed Automatic Insertion | |
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| Example | |
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| Analysis of an Assembly | |
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| General Rules for Product Design for Automation | |
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| Design of Parts for Feeding and Orienting | |
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| Summary of Design Rules for High-Speed Automatic Assembly | |
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| Rules for Product Design | |
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| Rules for the Design of Parts | |
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| Product Design for Robot Assembly | |
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| Summary of Design Rules for Robot Assembly | |
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| References | |
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| Printed-Circuit-Board Assembly | |
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| Introduction | |
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| Terminology | |
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| Assembly Process for PCBs | |
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| SMD Technology | |
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| Estimation of PCB Assembly Costs | |
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| Worksheet and Database for PCB Assembly Cost Analysis | |
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| Instructions | |
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| PCB Assembly - Equations and Data for Total Operation Cost | |
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| Manual | |
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| Autoinsertion Machine | |
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| Robot Insertion Machine | |
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| Glossary of Terms | |
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| References | |
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| Feasibility Study for Assembly Automation | |
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| Machine Design Factors to Reduce Machine Downtime Due to Defective Parts | |
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| Feasibility Study | |
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| Precedence Diagrams | |
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| Manual Assembly of Plug | |
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| Quality Levels of Parts | |
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| Parts Feeding and Assembly | |
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| Special-Purpose Machine Layout and Performance | |
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| Indexing Machine | |
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| Free-Transfer Machine | |
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| Robot Assembly of the Power Plug | |
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| References | |
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| Problems | |
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| Simple Method for the Determination of the Coefficient of Dynamic Friction | |
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| The Method | |
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| Analysis | |
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| Precision of the Method | |
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| Discussion | |
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| Reference | |
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| Out-of-Phase Vibratory Conveyors | |
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| Out-of-Phase Conveying | |
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| Practical Applications | |
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| Reference | |
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| Laboratory Experiments | |
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| Performance of a Vibratory-Bowl Feeder | |
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| Objectives | |
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| Equipment | |
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| Procedure | |
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| Theory | |
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| Presentation of Results | |
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| Performance of a Horizontal-Delivery Gravity Feed Track | |
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| Objectives | |
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| Equipment (Objective 1) | |
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| Theory (Objective 1) | |
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| Procedure (Objective 1) | |
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| Results (Objective 1) | |
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| Equipment (Objective 2) | |
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| Theory (Objective 2) | |
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| Procedure (Objective 2) | |
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| Results (Objective 2) | |
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| Conclusions | |
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| Feeding and Orienting Techniques for Small Parts | |
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| Coding System | |
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| Introduction to the Coding System | |
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| Coding Examples | |
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| Sample Parts for Practice | |
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| Analysis of the Coding of the Sample Parts | |
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| Coding System for Small Parts | |
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| Feeding and Orienting Techniques | |
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| Orienting Devices for Vibratory-Bowl Feeders | |
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| Nonvibratory Feeders | |
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| Nomenclature | |
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| Index | |