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INTRODUCTION TO ROLL FORMING; George T. Halmos
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Introduction to Roll Forming |
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ROLL
FORMING MILL; George T. Halmos
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General |
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Mill Types |
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Mill Components |
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References |
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PRESSES AND DIE ACCELERATORS; George T. Halmos
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General |
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Mechanical Presses |
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Pneumatic Presses |
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Hydraulic Presses |
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Information and Dimensions for Press/Die Purchasing
and Installation |
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Rotary and Other Cutting, Punching Equipment |
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Flying Die Accelerators |
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SECONDARY OPERATIONS IN THE ROLL FORMING LINE;
George T. Halmos
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Secondary Operations |
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Straightening |
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Tight or Loose Line: Cutting Before, In-Between, or
After Roll Forming |
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Location of the Secondary Operations |
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Stationary and Flying Dies |
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Punching, Perforating, Notching, and Mitering |
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Piercing and Partial Punching |
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Flanging, Louvering, and Lancing |
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Embossing and Drawing |
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Bending |
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Curving (Sweeping) |
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Marking |
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Swedging (Off Setting) |
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Rotary Dies |
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Mechanical Joining of Different Strips or Parts |
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Adhesive Bonding |
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Soldering and Brazing |
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Resistance Welding |
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Painting |
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Foaming |
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Packaging |
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References |
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ROLL DESIGN; George T. Halmos
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Roll Design Process |
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Cross-Section |
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Product Orientation and Other |
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Operations in the Line |
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Materials |
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Roll Forming Mill |
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Other Tool Design Considerations |
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Spacers and Shims |
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Calculating Strip Width |
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Bend Lines |
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Number of Passes |
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Flower Diagram |
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Roll Design |
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Calculating Roll Dimensions Manually |
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Computer-Aided Roll Design |
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Examples |
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Roll Marking System |
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Roll Orientation |
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Setup Charts |
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References |
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MATERIALS;
George T. Halmos
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Design Considerations |
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Mechanical Properties |
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Crystalline Structure of Metals |
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Forming Metals |
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Increasing the Strength of Metals by Cold Working |
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Hot Rolling |
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H.R. and H.R.P.O. Steels |
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Cold Rolled Steel |
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Carbon Steel |
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Alloyed Steel |
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Stainless Steel |
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Metallic Coatings |
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Nonmetallic Coating and Laminating |
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Joining Different Materials in the Roll Forming
Process |
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Aluminum |
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Other Metals and Materials |
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Influence of Primary Metal Processes on Roll Forming |
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Guideline to Steel Prices |
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References |
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LUBRICATION;
Joseph Ivaska
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Tribology of Lubrication |
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Selection of Lubricants |
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Surface Properties of Formed Material |
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Lubricants for the Secondary Operations |
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Application Techniques |
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Preparation and Maintenance of Lubricants |
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Operating Problems during Production |
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COIL PROCESSING, MATERIAL HANDLING, AND PLANT LAYOUT;
George T. Halmos and Joseph Horvath
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Flow of Material |
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Coil Handling and Storage |
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Sheet Handling and Storage |
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In-Line Coil Handling |
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Coil End Welding |
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Strip (Coil) Accumulators |
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Flattening and Leveling |
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In-Line Sheet Handling |
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Finished Product Handling |
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Finished Product Storage |
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Material Handling Equipment |
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Material Handling Accessories |
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Crane Controls |
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Plant Layout |
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References |
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DESIGNING PRODUCTS FOR ROLL FORMING;
George T. Halmos
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Developing Light Gage Products |
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Design Considerations |
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Secondary Operations |
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Profiles Manufactured in Different Sizes |
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Design of Specific Products |
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Dimensioning and Tolerancing |
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References |
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EQUIPMENT INSTALLATION, ROLL SETUP, MAINTENANCE, AND
TROUBLESHOOTING;
George T. Halmos
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Installation of Roll Forming Lines |
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Roll Installation and Setup |
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Maintenance and Spare Parts |
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Troubleshooting and Trouble Prevention |
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BEHAVIOR OF METAL STRIP DURING ROLL FORMING;
Manabu Kiuchi
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Various Types of Deformations |
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Causes of Redundant Deformations |
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Effects of Redundant Deformations on |
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Product Defects |
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Mathematical Simulation of the Deformation |
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of a Metal Strip |
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Computerized Design System for Roll Profiles |
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CAE for Roll Forming |
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ACQUIRING ROLL FORMING LINES, EDUCATION, AND TRAINING;
George T. Halmos
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Why Roll Form Products? |
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Different Paths to Start Roll Forming |
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Evaluating the Product |
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Selecting Line Components |
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Procuring Roll Forming Tooling |
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Equipment and Tool Specifications |
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Acceptance Test |
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Education and Training |
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Motivation |
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References |
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SAFETY;
Ashok Shah
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Safety |
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Common Safety-Related Definitions |
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Safety Design Procedure |
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Determining Limits of the Machinery or System |
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Determining Hazards/Risk Estimation |
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Risk Reduction by Design |
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Safeguarding |
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Selection of Guards and Protective Devices |
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Required Characteristics of Guards and Protection
Devices |
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Signals and Warning Devices |
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Personal Protective Equipment |
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Training |
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Summary |
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References |
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INCREASING EFFICIENCY OF ROLL FORMING LINES AND CASE
STUDIES;
George T. Halmos
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Output, Productivity, and Efficiency |
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Line Utilization |
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Improving Productivity |
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Case Studies |
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Preliminary Tool and Equipment Cost |
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Analysis |
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Preliminary Cost Analysis |
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UNUSUAL, NEW, AND FUTURE ROLL FORMING TECHNOLOGIES;
George T. Halmos
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The Last 100 Years |
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The Future of Roll Forming |
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Pull-Through Mills: Non-driven Rolls |
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Tension Roll Forming |
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Combining Roll Forming and Cold Drawing |
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Developing New Roll Forming Methods |
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Roll Forming Tools |
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Reducing the Thickness of the Starting Material |
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Forming at Elevated Temperature |
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Hot Roll Forming Variable Cross-Sections |
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Hot Thickness Reduction along the Length of the
Strip |
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Welding Hot Roll Formed Sections |
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Other “Hot” Processes |
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In-Line Soldering, Brazing, and Heat Treating |
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Equipment and Tooling Requirements for Hot Roll
Forming |
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Press Tooling for Conventional Roll Forming Lines |
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Computer-Controlled Roll Forming Lines |
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References |
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