Sheet metal forming processes and die design /
"Sheet Metal Forming Processes and Die Design, Second Edition is the long-awaited new edition of a best-selling text and reference. It provides an expanded and more comprehensive treatment of sheet metal forming processes, while placing forming processes and die design in the broader context of...
Clasificación: | Libro Electrónico |
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Autor principal: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
South Norwalk, CT :
Industrial Press,
[2014]
|
Edición: | Second edition. |
Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Sheet Metal Forming Processes and Die Design
- Front Matter
- Title Page
- Copyright
- Dedication
- Table of Contents
- Preface to the Second Edition
- Preface to the First Edition
- List of Tables
- Introduction
- PART ONE THEORETICAL FUNDAMENTALS
- Chapter ONE The Structure of Metals
- 1.1 Introduction
- 1.2 Atomic Structure
- 1.3 Bonding Between Atoms and Molecules
- 1.3.1 Primary Bonds
- 1.3.2 Secondary Bonds
- 1.4 The Crystal Structure of Metals
- 1.5 Deformation and Strength of Single Crystals
- 1.5.1 Imperfections in the Crystal Structure of Metals
- 1.5.2 Grain Size and Boundary
- 1.5.3 Strain Hardening
- 1.6 Recovery and Recrystallization
- Chapter TWO Mechanical Behavior of Materials
- 2.1 Introduction
- 2.2 Stress/Strain Curves
- 2.3 Ductility
- 2.4 True Stress and True Strain
- 2.5 Hardness
- 2.5.1 Hardness Tests
- 2.6 Effect of Temperature on Material Properties
- PART TWO MANUFACTURING PROCESESS
- Chapter THREE Shearing Process
- 3.1 Mechanics of Shearing
- 3.2 Shearing Forces
- 3.2.1 Shearing with Straight Parallel Cutters
- 3.2.2 Shearing with Straight Inclined Cutters
- 3.2.3 Shearing with Rotary Cutters
- Chapter FOUR Blanking and Punching
- 4.1 Blanking and Punching Mechanism
- 4.2 Blanking and Punching Clearance
- 4.3 Punch Force
- 4.3.1 Punch and Die with Parallel-Cut Edges
- 4.3.2 Punch and Die with Bevel-Cut Edges
- 4.4 Material Economy
- 4.4.1 Scrap Strip Layouts
- 4.4.2 Altering the Design of the Workpiece
- 4.4.3 Multi-Line Layout
- 4.4.4 Utilizing Scrap from One Piece as Material for Another Piece
- 4.5 Shaving
- 4.5.1 Shaving a Punched Workpiece
- 4.5.2 Shaving a Blanked Workpiece
- Chapter FIVE Bending
- 5.1 Introducton
- 5.2 Mechanics of Bending
- 5.3 Moment of Bending
- 5.3.1 Moment of Bending in the Elastic-Plastic Domain.
- 5.3.2 Moment of Bending in the Purely Plastic Domain
- 5.4 Bending Forces
- 5.4.1 Force for U-Die
- 5.4.2 Forces for a Wiping Die
- 5.4.3 Forces for V-Die
- 5.4.4 Curling
- 5.4.5 Three-Roll Forming
- 5.5 Bend Radius
- 5.5.1 Minimum Bend Radius
- 5.5.2 Maximum Bend Radius
- 5.6 Bend Allowance
- 5.7 Springback
- 5.8 Clearance
- Chapter SIX Deep Drawing
- 6.1 Introduction
- 6.2 Mechanics of Deep Drawing
- 6.2.1 Deep Drawability
- 6.3 Forces
- 6.3.1 First Drawing Operation
- 6.3.2 Subsequent Drawing Operations
- 6.4 Blank Calculations for Rotational Symmetrical Shells
- 6.4.1 Method of Partial Areas
- 6.4.2 Analytical Method
- 6.4.3 Infl uence of Wall Thickness on Blank Calculations
- 6.4.4 Allowance for Trimming
- 6.4.5 Shells with Reduced Thickness of Wall
- 6.5 Determining Shape of Blank for Nonsymmetrical Shells
- 6.5.1 Rectangular Shells
- 6.5.2 Square Shell
- 6.6 Drawing Practice
- 6.6.1 Defects During Deep Drawing
- 6.6.2 Lubrication in Drawing
- Chapter SEVEN Various Forming Processes
- 7.1 Stretch Forming
- 7.2 Nosing
- 7.3 Expanding
- 7.4 Dimpling
- 7.5 Spinning
- 7.6 Flexible Die Forming
- 7.6.1 Guerin Process
- 7.6.2 Verson-Wheelon Process
- 7.6.3 Marform Process
- 7.6.4 Hydroforming Process
- 7.6.5 Force in Die Forming
- PART THREE DIE DESIGN
- Chapter EIGHT Basic Die Classifi cations and Components
- 8.1 Die Classifications
- 8.1.1 Die Classifi cations Depending on the Production Quantity of Parts
- 8.1.2 Die Classifi cations According to Number of Stations
- 8.1.3 Die Classifi cations According to Manufacturing Processes
- 8.2 Basic Die Components
- Chapter NINE Blanking and Punching Dies
- 9.1 Introduction
- 9.2 Die Blocks
- 9.2.1 Die Opening Profile
- 9.2.2 Fastening to the Die Shoe
- 9.2.3 Sectioned Die
- 9.2.4 Calculation of Die Block Dimensions
- 9.3 Punches.
- 9.3.1 Punch Face Geometry
- 9.3.2 Methods for Assembling Punches
- 9.3.3 Punch Calculations
- 9.4 Stripper Plates
- 9.4.1 Stripper Force
- 9.4.2 Stripper Design
- 9.5 Die Components for Guiding and Stopping
- 9.5.1 Stock Guides and Guide Rails
- 9.5.2 Die Stops and French Notch Punch
- 9.5.3 Positioning the Individual Blank
- 9.5.4 Pilots
- 9.6 Center of Die Pressure
- 9.7 Examples of Cutting Die Designs
- Chapter TEN Bending Dies
- 10.1 Introduction
- 10.2 Simple Die Designs
- 10.2.1 U-Profi le Bend Dies
- 10.2.2 V-Profi le Bend Dies
- 10.2.3 Universal Bending Dies
- 10.3 Dies of Complex Design
- 10.3.1 Closing Profi le Dies
- 10.3.2 Special Bending Dies
- 10.3.3 Curling and Hinge Dies
- 10.3.4 Tube-Forming Dies
- 10.3.5 Multiple-Bend Dies
- 10.3.6 Combination Dies
- 10.3.7 Progressive Dies
- Chapter ELEVEN Deep Drawing Dies
- 11.1 Introduction
- 11.2 Draw Rings
- 11.2.1 Draw Ring with Corner Radius
- 11.2.2 Draw Ring with Conical Profile
- 11.3 Clearances and Tolerances
- 11.3.1 Calculation of the Dimensions of the Punch and Die
- 11.4 Blank Holders
- 11.4.1 Blank Holder Pressure
- 11.4.2 Blank Holder Force
- 11.4.3 Draw Beads
- 11.5 Single-Operation Dies
- 11.6 Multi-Operation Dies
- 11.7 Progressive Drawing Dies
- 11.8 Drawing Dies for Spherical and Parabolic Shape Shells
- 11.9 Ironing Dies
- Chapter TWELVE Various Forming Dies
- 12.1 Nosing Dies
- 12.2 Expanding and Bulging Dies
- 12.2.1 Expanding Dies
- 12.2.2 Bulging Dies
- 12.3 Flanging Dies
- Chapter THIRTEEN Tool and Die Materials
- 13.1 Introduction
- 13.2 Carbon and Alloy Steels
- 13.2.1 Designations for Carbon and Alloy Steels
- 13.2.2 Effects of Various Alloy Elements in Steels
- 13.2.3 Carbon Steels
- 13.2.4 Alloy Steels
- 13.2.5 Machinability of Steels
- 13.2.6 Mechanical Properties of Steels.
- 13.2.7 Applications of Carbon and Alloy Steels
- 13.3 Tool and Die Steels
- 13.3.1 Designation and Classifi cation of Tool and Die Steels
- 13.3.2 Cold Work Tool and Die Steels
- 13.4 Nonferrous Metals
- 13.5 Non-Metallic Materials
- Chapter FOURTEEN Quick Die-Change Systems and Die Design
- 14.1 Introduction
- 14.1.1 Quick Die Change Benefits
- 14.2 Quick Die-change System Configuration
- 14.2.1 Die Clamping Systems
- 14.2.2 Die Transfer, Transport and Positioning Systems
- 14.2.3 Other Components of Quick Die-Change Systems
- 14.3 Implementation of Quick Die-Change Systems
- 14.3.1 Die Design for Quick Die-Change Systems
- 14.3.2 Selection of Die Transfer Methods
- 14.3.3 Selection of Die Clamping Systems
- 14.3.4 Selection of Die Lifter System
- 14.3.5 Selection of Support Equipment
- 14.3.6 Safety Circuits and Evaluation
- Appendix 1 Blank Diameter of Drawn Shells
- Appendix 2 Metric System Tolerances on Linear Dimensions
- Appendix 3 Miscellaneous Information
- Appendix 4 Technical Specifi cation of the Helical and Belleville Springs
- Glossary
- Bibliography
- Index.