Bend Radius Copper Sheet

The problem with bending too tightly.

Bend radius copper sheet.

The bend radius refers to the inside radius. The formed bend radius is dependent upon the dies used the material properties and the material thickness. The bend radius you select may not be available if the geometry of the part will not allow us to bend with the specific tooling required to achieve that radius. The tables below show bend radii and minimum bend sizes for materials and tooling combinations stocked by protocase.

The most common problem with bending a piece of sheet metal too tightly is. The bend radii listed are standard minimum if manufacturing for aircraft and aerospace applications. Bending sheet metal by hand is a manageable task if the piece of sheet metal is small and thin enough to handle. The force must exceed the material s yield strength to achieve a plastic deformation.

When sheet metal is bent it stretches in length. The minimum bend radius data shown in these charts is measured to the inside of the bend. If your bend radius needs to be adjusted a member of engineering design services team will contact you before your design is manufactured. It is possible to choose other bends if you require but additional lead time and tooling charges may apply.

We go beyond the general rules of sheet metal bending as our customers want tight bend radii for sheet metal parts. Where ossb is the outside setback. This is done through the application of force on a workpiece. Ossb is defined as illustrated in figure 5 for different bending angles and can be calculated using the equation below.

Bending is one of the most common sheet metal fabrication operations. This is putting a simple hem on a curved piece of zinc with a 7ft radius. The bend deduction is the amount the sheet metal will stretch when bent as measured from the outside edges of the bend. Most frequently expensive sheet metal bending tools called brakes are used to bend sheet metal but you can also complete this task without one.

As explained in my first post the bend deduction can be calculated using the following equation. If copper has to be bent a factor of 1 5 must be used. If a piece of material is bent too tightly problems can occur. Where a is the bending angle t is the sheet thickness and r is the bending radius.

For steel the factor is 1. 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.