Sheet Metal Bending Radius Chart

I can now see that the minimum flange length is 8 5 mm for such a bend so i have to keep it in mind when designing.

Sheet metal bending radius chart.

Let s say i have a 2 mm thick sheet and i want to bend it. We go beyond the general rules of sheet metal bending as our customers want tight bend radii for sheet metal parts. The gauge inside radius die opening and minimum flange length are all interconnected through different equations and relationships the air bend force. An air bend force chart or force chart breaks down a number of key components of sheet metal bending in an easy to reference format.

Use this document to choose values that are both manufacturable and meet your needs. The minimum bend radius data shown in these charts is measured to the inside of the bend. It is possible to choose other bends if you require but additional lead time and tooling charges may apply. The bend radii listed are standard minimum if manufacturing for aircraft and aerospace applications.

The material thickness will be measured in decimal form not by the gauge number. Bend radii minimum bend sizes. To keep it simple i also use a 2 mm inside radius. Since commercial sheet metal bending can be done with less concern for stresses caused during forming operation the radius can be near zero for thin sheet metal.

The tables below show bend radii and minimum bend sizes for materials and tooling combinations stocked by protocase. You will need to know your material thickness mt the bend angle b the inside radius ir and the k factor k.