Seite 65Alterations reserved Stand 05/2008
Operating manual T700/T800.1 - en
5.6.7 V-shaped special perforating knife (optional)
These knives may be used on
the slitter shafts at folding unit I
of buckle folding machines.
The non-slotted perforating knife 1
is 1.6 mm thick and twoside
grounded in a V-shape.
The sheet is prescored during
perforation. This will avoid
the dog-ears at head side of
crossfold section (2nd folding unit).
Two alternatives for installation:
Position 2 between scoring edges.
Position 3 between cutting edges.
In any case, the cutting
or scoring rollers shall not
touch the perforating knife.
Coordinate the distance and
method of installation with
the product to be processed.
Please be advised that the perforation cut will not become sharp to such and extend as you
may expect it at “normal” perforation.
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