Bending Aluminium Sheet
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.
Bending aluminium sheet. Lift the clamp bar away from the rear of. Bending sheet aluminum with a bending brake 1. A bending brake is a specialized metalworking. Say you re bending 0 25 in thick 6061 t6 aluminum to a 100 degree external angle 80 degree internal angle.
This weakens the aluminium and creates a fracture line. With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet. To make this easier you d start with your 6061 material in the soft t 0 state. Die opening with a relieved profile.
For most applications with stainless steel or aluminum you can get away with a zero radius bend on anything under 0 050 thick. To calculate the expansion that will take place on the outside of your bend angle you will need to know your bend allowance. You d probably air bend by using a 3 0 in. Insert your aluminum sheet into the brake beneath the removable clamp bar.
Flip the sheet over and repeat. The bending you will be doing will warp your sheet metal so that it is physically bigger. If you re bending 0 020 thick material use a 0 020 radius.