Use the minimum bend dimension values in the charts below for your minimum closeness of cutout to a bend.
Bending 1 8 thick aluminum sheet.
If you re bending 0 020 thick material use a 0 020 radius.
Bending sheet metal by hand is a manageable task if the piece of sheet metal is small and thin enough to handle.
Here s a good rule of thumb for most materials.
You have fewer options and the included die angle goes from 90 to 88 and 85.
How to bend sheet metal without a brake in 4 different methods with minimal or homemade tools.
How to bend sheet metal without a brake.
Why the different die angles for air bending.
For die widths 0 5 to 1 in.
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.
I had to bend some aluminum ears on mounting plate for my underwater camera and lights this is how i did it the wrong way a costly mistake and then how i d.
Between 1 and 2 in your width options are reduced again and the included die angle closes even further from 78 to 73 and even less see figure 1.
In other words if you re bending 1 8 sheet use a tool with a 1 8 radius to form the inside of the bend.