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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...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Boljanovic, Vukota (Autor)
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.