Mild Steel, Small Radius
Material Thickness (T): 1 mm; Inside Bend Radius (R): 1 mm; K-Factor Selection: Mild Steel (0.46); Custom K-Factor: 0.44
K-Factor: 0.46
K-Factor Calculator
Construction0.0(0)
Calculates the K-factor, which represents the position of the neutral axis in sheet metal bending. The K-factor is crucial for determining the bend allowance and flat pattern development.
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Material Thickness (T), Inside Bend Radius (R), K-Factor Selection, and Custom K-Factor in the units shown.
Step 2
Read K-Factor in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Aluminum, Large Radius
Material Thickness (T): 2 mm; Inside Bend Radius (R): 10 mm; K-Factor Selection: Aluminum (0.33); Custom K-Factor: 0.44
K-Factor: 0.33
Default K-Factor
Material Thickness (T): 1.5 mm; Inside Bend Radius (R): 3 mm; K-Factor Selection: Default (0.44); Custom K-Factor: 0.44
K-Factor: 0.44
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