A common problem when folding with nearby holes in the bending area is that they get deformed.
To avoid this problem we can use MRA DIES (Wing Bend type), which as seen on the photos leave the pieces without any deformation.
You may be interested in our extensive catalogue of Wing Bend Dies. As you can see they are manufactured standard for the system Promecam, Wila and Trumpf.
Here we show you a video on how to avoid deformed holes in the bending area: