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Sheet Metal
Comparing Sheet Metal Design Methods
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Using Forming Tools with Sheet Metal
Converting Solid Bodies to Sheet Metal
Sheet Metal Parts
Multibody Sheet Metal Parts
Using Sheet Metal Bend Parameters
Bend Allowance and Bend Deduction Options
Bend Table
K-Factor
Bend Allowance and Bend Deduction
Bend Calculation Tables
Editing the Default Bend Radius, Bend Allowance, Bend Deduction, or Relief Type
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K-Factor

K-Factor is a ratio that represents the location of the neutral sheet with respect to the thickness of the sheet metal part.

When you select K-Factor as the bend allowance, you can specify a K-Factor bend table. The SolidWorks application also comes with a K-Factor bend table in Microsoft Excel format. This is located in install_dir\lang\English\Sheetmetal Bend Tables\kfactor base bend table.xls.

You can specify different values for the K-Factor in different configurations.
You can also apply a material-based default K-Factor by using a Sheet Metal Gauge table.

Bend allowance with a K-Factor is calculated as follows:

BA=π(R + KT) A/180

where:

  • BA = bend allowance
  • R = inside bend radius
  • K = K-Factor, which is t / T
  • T = material thickness
  • t = distance from inside face to neutral sheet
  • A = bend angle in degrees (the angle through which the material is bent)
shm_kfactor_bendallow.gif


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