HOW TO USE A SLOTTED CLAMPBAR
FORMING TRAYS
The slotted clamp bar is perfect for manufacturing shallow trays and pans.
Advantages:
The Bending edges are aligned automatically to the front edge of the magnet body. The clamp bar
automatically lifts to facilitate insertion and removal of the sheet metal whereas with the short set
each section must be lifted individually.
The slotted clamp bar folds shallow trays, however trays of unlimited depth and complex shapes
can be manufactured with a short clamp bar.
The pitch of the slots has been calculated to enable the folding of various sizes of trays.
Specification sheet indicate shortest and longest tray sizes that can be accommodated by the
slotted clamp bar
To fold shallow tray
1. First fold two opposite sides and the corner tabs by using the slotted clamp bar ā ignore the
slots they will have no effect on the finished folds.
2. Select two slots to fold the remaining two sides. Line up the left side of the tray with the left
slot and check if there is a slot for the right side. Slide the tray along the left and try the next
slot until a suitable slot is found. The edge of the tray should be under the clamp bar and
between the two chosen slots.
3. To complete, fold the remaining sides.
Note: Trays that are almost as long as the clamp bar may need to use the end of the clamp bar in
lieu of a slot.
Instruction Manual for EB2500 (S5321)
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