Introduction to Roll Forming | p. 1 |
Introduction to Roll Forming | p. 1 |
Roll Forming Mill | p. 1 |
General | p. 1 |
Mill Types | p. 1 |
Mill Components | p. 18 |
References | p. 32 |
Presses and Die Accelerators | p. 1 |
General | p. 1 |
Mechanical Presses | p. 6 |
Pneumatic Presses | p. 10 |
Hydraulic Presses | p. 12 |
Information and Dimensions for Press/Die Purchasing and Installation | p. 15 |
Rotary and Other Cutting, Punching Equipment | p. 15 |
Flying Die Accelerators | p. 20 |
Secondary Operations in the Roll Forming Line | p. 1 |
Secondary Operations | p. 2 |
Straightening | p. 3 |
Tight or Loose Line: Cutting Before, In-Between, or After Roll Forming | p. 9 |
Location of the Secondary Operations | p. 14 |
Stationary and Flying Dies | p. 14 |
Punching, Perforating, Notching, and Mitering | p. 16 |
Piercing and Partial Punching | p. 19 |
Flanging, Louvering, and Lancing | p. 20 |
Embossing and Drawing | p. 20 |
Bending | p. 22 |
Curving (Sweeping) | p. 24 |
Marking | p. 46 |
Swedging (Off Setting) | p. 46 |
Rotary Dies | p. 46 |
Mechanical Joining of Different Strips or Parts | p. 56 |
Adhesive Bonding | p. 60 |
Soldering and Brazing | p. 60 |
Resistance Welding | p. 60 |
Painting | p. 62 |
Foaming | p. 62 |
Packaging | p. 62 |
References | p. 62 |
Roll Design | p. 1 |
Roll Design Process | p. 2 |
Cross-Section | p. 4 |
Product Orientation and Other Operations in the Line | p. 13 |
Materials | p. 19 |
Roll Forming Mill | p. 28 |
Other Tool Design Considerations | p. 40 |
Spacers and Shims | p. 48 |
Calculating Strip Width | p. 52 |
Bend Lines | p. 55 |
Number of Passes | p. 64 |
Flower Diagram | p. 73 |
Roll Design | p. 78 |
Calculating Roll Dimensions Manually | p. 94 |
Computer-Aided Roll Design | p. 95 |
Examples | p. 100 |
Roll Marking System | p. 103 |
Roll Orientation | p. 107 |
Setup Charts | p. 107 |
References | p. 111 |
Materials | p. 1 |
Design Considerations | p. 1 |
Mechanical Properties | p. 2 |
Crystalline Structure of Metals | p. 7 |
Forming Metals | p. 7 |
Increasing the Strength of Metals by Cold Working | p. 10 |
Hot Rolling | p. 10 |
H.R. and H.R.P.O. Steels | p. 12 |
Cold Rolled Steel | p. 12 |
Carbon Steel | p. 12 |
Alloyed Steel | p. 13 |
Stainless Steel | p. 15 |
Metallic Coatings | p. 16 |
Nonmetallic Coating and Laminating | p. 17 |
Joining Different Materials in the Roll Forming Process | p. 18 |
Aluminum | p. 18 |
Other Metals and Materials | p. 20 |
Influence of Primary Metal Processes on Roll Forming | p. 20 |
Guideline to Steel Prices | p. 24 |
References | p. 24 |
Lubrication | p. 1 |
Tribology of Lubrication | p. 1 |
Selection of Lubricants | p. 5 |
Surface Properties of Formed Material | p. 8 |
Lubricants for the Secondary Operations | p. 10 |
Application Techniques | p. 11 |
Preparation and Maintenance of Lubricants | p. 12 |
Operating Problems during Production | p. 18 |
Coil Processing, Material Handling, and Plant Layout | p. 1 |
Flow of Material | p. 2 |
Coil Handling and Storage | p. 3 |
Sheet Handling and Storage | p. 6 |
In-Line Coil Handling | p. 9 |
Coil End Welding | p. 14 |
Strip (Coil) Accumulators | p. 16 |
Flattening and Leveling | p. 19 |
In-Line Sheet Handling | p. 22 |
Finished Product Handling | p. 23 |
Finished Product Storage | p. 31 |
Material Handling Equipment | p. 34 |
Material Handling Accessories | p. 38 |
Crane Controls | p. 40 |
Plant Layout | p. 41 |
References | p. 43 |
Designing Products for Roll Forming | p. 1 |
Developing Light Gage Products | p. 1 |
Design Considerations | p. 2 |
Secondary Operations | p. 10 |
Profiles Manufactured in Different Sizes | p. 20 |
Design of Specific Products | p. 22 |
Dimensioning and Tolerancing | p. 22 |
References | p. 29 |
Equipment Installation, Roll Setup, Maintenance, and Troubleshooting | p. 1 |
Installation of Roll Forming Lines | p. 1 |
Roll Installation and Setup | p. 8 |
Maintenance and Spare Parts | p. 14 |
Troubleshooting and Trouble Prevention | p. 32 |
Behavior of Metal Strip during Roll Forming | p. 1 |
Various Types of Deformations | p. 1 |
Causes of Redundant Deformations | p. 3 |
Effects of Redundant Deformations on Product Defects | p. 6 |
Mathematical Simulation of the Deformation of a Metal Strip | p. 19 |
Computerized Design System for Roll Profiles | p. 29 |
CAE for Roll Forming | p. 34 |
Acquiring Roll Forming Lines, Education, and Training | p. 1 |
Why Roll Form Products? | p. 1 |
Different Paths to Start Roll Forming | p. 2 |
Evaluating the Product | p. 3 |
Selecting Line Components | p. 4 |
Procuring Roll Forming Tooling | p. 7 |
Equipment and Tool Specifications | p. 7 |
Acceptance Test | p. 7 |
Education and Training | p. 7 |
Motivation | p. 11 |
References | p. 11 |
Safety | p. 1 |
Safety | p. 1 |
Common Safety-Related Definitions | p. 2 |
Safety Design Procedure | p. 2 |
Determining Limits of the Machinery or System | p. 3 |
Determining Hazards/Risk Estimation | p. 3 |
Risk Reduction by Design | p. 8 |
Safeguarding | p. 9 |
Selection of Guards and Protective Devices | p. 13 |
Required Characteristics of Guards and Protection Devices | p. 13 |
Signals and Warning Devices | p. 14 |
Personal Protective Equipment | p. 14 |
Training | p. 14 |
Summary | p. 15 |
References | p. 16 |
Increasing Efficiency of Roll Forming Lines and Case Studies | p. 1 |
Output, Productivity, and Efficiency | p. 1 |
Line Utilization | p. 2 |
Improving Productivity | p. 3 |
Case Studies | p. 4 |
Preliminary Tool and Equipment Cost Analysis | p. 10 |
Preliminary Cost Analysis | p. 10 |
Unusual, New, and Future Roll Forming Technologies | p. 1 |
The Last 100 Years | p. 2 |
The Future of Roll Forming | p. 2 |
Pull-Through Mills: Nondriven Rolls | p. 5 |
Tension Roll Forming | p. 6 |
Combining Roll Forming and Cold Drawing | p. 7 |
Developing New Roll Forming Methods | p. 7 |
Roll Forming Tools | p. 9 |
Reducing the Thickness of the Starting Material | p. 10 |
Forming at Elevated Temperature | p. 11 |
Hot Roll Forming Variable Cross-Sections | p. 11 |
Hot Thickness Reduction along the Length of the Strip | p. 12 |
Welding Hot Roll Formed Sections | p. 12 |
Other "Hot" Processes | p. 13 |
In-Line Soldering, Brazing, and Heat Treating | p. 13 |
Equipment and Tooling Requirements for Hot Roll Forming | p. 14 |
Press Tooling for Conventional Roll Forming Lines | p. 16 |
Computer-Controlled Roll Forming Lines | p. 16 |
References | p. 17 |
Appendices | p. 1 |
References | p. 1 |
Index | p. 1 |
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