The 90-91 die set forms the first operation
of a standing seam. A standard flattening die set such as the F-4 or
F-5 would be used to close the standing seam. The die sets can be
made with matched shut heights for progressive forming.
92-93 Standing Seam Die Set
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The 92-93 standing seam die set forms a
standing seam in two strokes. The first operation forms an acute and
90-degree bend that is closed in the second operation in the lower
section of the die.
97-98-99-100 Standing Seam Die Set
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The 97-98-99-100 die sets form a seam in the
middle of a sheet in two operations. These two die sets can be made
with matched shut heights for progressive forming.
