Sheet Metal Bending Calculator
Calculate Bend Allowance (BA) and Bend Deduction (BD) to determine the exact flat pattern length of sheet metal parts before bending.
Parameters
Typically 0.33 for Air Bending, 0.5 for Coining.
Calculation Results
Bend Allowance (BA)
Amount of material added to the legs to get flat length.
4.178 mm
Bend Deduction (BD)
Amount of material subtracted from the total flange lengths.
3.822 mm
Outside Setback (OSB)
4.000 mm