B-2 Box Forming Punch
Tipped box forming die sets are used to form a pan, box or similar part
that requires the four sides of the sheet to be bent up. The punch
must be tall enough so that when the last two bends are made the
preformed sides will not hit the ram. The miminum punch height is
shown for various box depths for forming 90-degree bends. used for
lighter gauges of material.