To mechanically form a continuous projecting edge on a metal component. In sheet metal work, this involves bending the perimeter of a panel at an angle to increase its rigidity or to create a mating surface for welding or riveting. The operation requires controlling the material to prevent tearing on outside curves or wrinkling on inside curves.
Heard on the job
We need to flange the edges of these access panels so they sit flush against the main housing.
Related terms
Blankholder
A clamping ring or plate that grips the edges of sheet metal during deep drawing.
Cold work
To plastically deform a metal at temperatures below its recrystallization point to alter its properties.
Compound curve
A three-dimensional surface that curves in multiple directions, requiring metal to be stretched or shrunk.