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More on Bend Deduction
When using this bend deduction method to calculate the developed length, dimensions must always be from apex to apex. In all of the examples below the developed length would be: Dim 1 - Bend Ded. + Dim 2.
Flat length = Dim 1 - B.D. + Dim 2

Bend Deduction Problems

Bend Radius = 3/32 Material Thickness = .063 Angle A° Dim.1 Bend Ded. Dim 2 Dev Length 1.  120° 2.125           1.750           2.   90° 1.750           1.875            3.   45° 2.000           2.000            Bend Radius = 1/8 Material Thickness = .075 4.  120° 2.125           1.750           5.   90° 1.750           1.875           6.   45° 2.000           2.000           Bend Radius = 1/16 Material Thickness = .048 7.  120° 2.125           1.750           8.   90° 1.750           1.875           9.   45° 2.000           2.000           10.  60° 1.525           1.712           11.  95° 1.625           3.000           12.  15°  .750           1.000