Sheet Metal Design

  1. Bending Design Rules
    1. Minimum Bend Radius
      1. Material-Specific Values
        1. Thickness Relationships
          1. Grain Direction Effects
            1. Consequences of Violation
              1. Cracking
                1. Material Failure
                  1. Surface Defects
                2. Bend Relief Design
                  1. Purpose and Function
                    1. Relief Types
                      1. Rectangular Relief
                        1. Round Relief
                          1. Obround Relief
                            1. Tear Relief
                            2. Relief Sizing
                              1. Placement Guidelines
                                1. Multiple Bend Considerations
                                2. Flange Design
                                  1. Minimum Flange Length
                                    1. Tooling Clearance Requirements
                                      1. Bend Sequence Planning
                                        1. Interference Avoidance
                                        2. Bend Orientation
                                          1. Grain Direction Alignment
                                            1. Crack Prevention
                                              1. Strength Optimization
                                                1. Surface Quality Considerations
                                                2. Feature Proximity Rules
                                                  1. Distance from Bend to Hole
                                                    1. Distance from Bend to Edge
                                                      1. Distance Between Bends
                                                        1. Distortion Prevention
                                                        2. Tooling Compatibility
                                                          1. Standard Die Widths
                                                            1. Punch Selection
                                                              1. Tool Access Requirements
                                                                1. Setup Considerations

                                                              Previous

                                                              4. Flat Pattern Development

                                                              Go to top

                                                              Next

                                                              6. Hole and Cutout Design