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Bend Deduction 鈥 SheetMetal.Me

Bend Deduction 鈥 SheetMetal.Me

The Bend Deduction is defined as the material you will have to remove from the total length of your flanges in order to arrive at the flat pattern. The flange lengths are always measured to the apex of the bend. In our example below a part with Bend Deduction Chart - SheetMetal.MeBend Deduction Chart K factor 0.33 K factor 0.33 K factor 0.33 K factor 0.33 K factor 0.33 K factor 0.33 K factor 0.33 K factor 0.33 K factor 0.33 MT IR MT IR MT IR MT IR MT IR MT IR MT IR MT IR MT IR 0.163 0.210 0.135 0.164 0.105 0.118 0.075 0.105 0.060 0.092 0.048 0.066 0.036 0.020 0.030 0.020 0.024 0.020 Angle 10 15 20 25 30 35 40 45 50 55 Bend Allowance 鈥 SheetMetal.MeWhen the sheet metal is put through the process of bending the metal around the bend is deformed and stretched. As this happens you gain a small amount of total length in your part. Likewise when you are trying to develop a flat pattern you will have to make a deduction from your desired part size to get the correct flat size. Understanding Bend Deductions MetaFab, IncMay 26, 2020 · The Bend Deduction BD is defined as the difference between the sum of the flange lengths (from edge to the apex) and the initial flat length. In other words, the material you will have to remove from the total length of the flanges in order to SheetMetal.Me 鈥 Sheet Metal Fabrication Resources,

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