Roll Forming Handbook

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