Sheet Metal Design

  1. Flat Pattern Development
    1. Flat Pattern Concept
      1. Unfolding Principles
        1. Manufacturing Importance
          1. Layout Planning
            1. Material Optimization
            2. Bend Allowance Theory
              1. Neutral Axis Location
                1. Bend Allowance Calculation
                  1. Basic Formula
                    1. K-Factor Method
                      1. Bend Table Method
                      2. Bend Deduction Calculation
                        1. Formula Application
                          1. Practical Considerations
                          2. Y-Factor Applications
                            1. Calculation Methods
                              1. When to Use
                            2. K-Factor Determination
                              1. Material-Dependent Values
                                1. Thickness Ratio Effects
                                  1. Bend Radius Influence
                                    1. Experimental Determination
                                      1. Industry Standard Values
                                      2. Flat Pattern Layout
                                        1. Feature Positioning
                                          1. Bend Line Placement
                                            1. Relief Requirements
                                              1. Grain Direction Considerations
                                                1. Nesting Optimization

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                                              3. Design for Manufacturability Principles

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                                              5. Bending Design Rules