Design Nomenclature / Physical Model Making
Brake forming
Also called press braking, box and pan bending, air bending, bending
This entry has not been translated yet and is shown in English.
Bending sheet metal along a straight line between a punch and a die. The inside radius, not the crease, sets the geometry: material stretches outside the neutral axis and compresses inside it, so a flat pattern must carry a bend allowance or the finished part comes out short by millimetres on every fold.