Sheet Metal Bend Design and Bend allowance Equations

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The following illustrations shows the equation / calculation for determining the bend allowance when forming sheet metal.

  • Distance From Bend Line to Mold Line:
  • Bend Allowance:
  • Bend Allowance of Corner flanges at Angles other than 90 deg.

Distance From Bend Line to Mold Line:

Sheet Metal Allowance Bend Allowance Formula

Preview: Distance From Bend Line to Mold Line Calculator

Sheetmetal Bend Allowance Equations and Calculator:

Sheetmetal Bend Allowance Equations and Calculator:

Preview: Sheetmetal Bend Allowance Calculator

Bend Allowance of Corner flanges at Angles other than 90 deg.:

Bend Allowance of Corner flanges at Angles other than 90 deg.:

Preview: Sheetmetal Bend Allowance of Corner flanges Allowance Calculator