Use this document to choose values that are both manufacturable and meet your needs.
2024 sheet metal bend radius.
The material thickness will be measured in decimal form not by the gauge number.
Aluminum minimum bend radii for 90 degree cold forming of sheet and plate.
The bend radii listed are standard minimum for manufacturing for aerospace and space applications.
The bend allowance formula takes into account the geometries of bending and the properties of your metal to determine the bend allowance.
Bend radii minimum bend sizes.
Table 1 preferred recommended 90 degree bend radii for various sheet metals.
It is most economical to use a single bend radius throughout the design but if necessary you can utilize multiple radii.
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 bend radii listed are standard minimum if manufacturing for aircraft and aerospace applications.
3003 0 1100 0 6061 s0 5052 s0.
Factor 2 thickness and bend radius.
The table below shows the permitted bend radii for 90 o bending.
The brake radius bars of a sheet metal brake can be replaced with another brake radius bar with a different diameter.
Specifing a bend radius from here will help prevent hair line cracks.
Apart from alloy selection thickness and bend radius are also critical factors that must be considered.
The minimum bend radius data shown in these charts is measured to the inside of the bend.
Radii for various thicknesses expressed in terms of thickness t.
Another factor to consider is that during the process of bending the metal hardens and strengthens by reason of the working effect.
Sheet metal bend radii if these guidelines are not followed more research and or some form of analysis may be requried.
2024 t3 1020 1025 4130 ann.
The tables below show bend radii and minimum bend sizes for materials and tooling combinations stocked by protocase.
Per the aluminum association inc.
We go beyond the general rules of sheet metal bending as our customers want tight bend radii for sheet metal parts.
Figure 2 for example a 0 032 inch 2024 t3 l channel needs to be bent with a radius of 1 8 inch and a radius bar with a 1 8 inch radius must be installed.