Baumfolder Wetscore - Manual (Page 9)

PAGE 9 TP10320A
When running sheets through the folder by hand,if it
becomes necessary to back the sheet out, always lift the
rod to ensure that the sheets do not jam into the needles.
They may cause the needles to bend and you will lose your
register!
If a sheet is under a needle or the sensor when the
folder stops, remove it before restarting the folder. It may
be wet and may cause a jam-up in the rollers.
5.0 WHEN THE FOLDER STOPS RUNNING
A. Remove the sheets from under the sensor and
needles so that the needles do not flow.
B. If the folder will be off longer that 10 minutes:
1. Turn off the control valves to prevent air from
entering the tubing.
2. Unplug the electrical cord(optional).
C. If the folder will be off less that 10 mins.,no need
to shut off the control valves.
NEEDLES WILL CONTINUE TO DRIP DUE TO
PRESSURE IN THE TUBING FOR SEVERAL
SECONDS AFTER THE ON/OFF SOLENOID
CLOSES.
WHEN YOU FINISH A JOB
A. Remove needles and place them in the holes on
the Amplifier housing support base for safety.
B. Unplug the WetScore.
C. Raise the pivot rod and secure it in the upright
position by use of the Velcro strap on the hanger
rod
D. Close all of the control valves.
E. The water bottle may hang full from its hanger
until needed for the next job.
OPERATING TIPS
1.0 WetScore IN COMBINATION WITH A
MECHANICAL SCORE
Due to the variable nature of the many types of stock
operators are forced to deal with these days, there is no rule
as to when to use a combination of mechanical scoring and
WetScore. We have found however, that for certain heavy
sheets, as well as cover stock, that the combination of the
WetScore with a mechanical score in the pull-out rollers of
the folder produces exceptional results. This is especially
true when using the WetScore to apply a score to the last
fold of a 16pg. signature. Many times the use of a mechani-
cal score alone produces cracking or tearing of the signa-
tures along the folded edge of the sheet. The addition of the
water/alcohol line from the WetScore should eliminate this
problem.
2.0 WetScore IN COMBINATION WITH
PERFORATORS.
In many cases when folding 16 pg. or 32 pg. signatures
for the perfect-binder, case binding, or other subsequent
operations, it is desirable for the folded signatures to be as
flat as possible. Bundling devices are commonly used to
flatten the signatures after folding. We have found that the
use of the WetScore, in addition to the perforators used for
folding, produces signatures that are absolutely flat, usually
eliminating the need for bundling. Additionally the
WetScore greatly reduces the common problem of dogearred
corners when used in this way. The WetScore is not meant
to be a replacement for the use of perforations, rather an aide
to their effective use.
3.0 WetScore ACROSS PRINTED
SOLIDS OR ALONG “BLEEDS”
Use caution when applying a WetScore wetted line
across bleeds or printed solids(i.e. reflex blue ink). The
interaction of the alcohol with the ink may cause the ink
vehicle to break down, producing offsetting along the folded
edge. This is especially common when running coated or
varnished stock. If possible, we recommend applying the
WetScore upon the opposite side of the sheet from any
bleeds or solids. Many times this can be accomplished by
changing the configuration of the folder set-up, i.e. by
running the job down in the second plate as opposed to up
in the first plate.
Additionally, applying a solution that contains less
alcohol will usually aide in preventing offsetting of the ink.
However, as the solution decreases in alcohol strength, its
ability to maintain a uniform line on the sheet also decreases.