FISCHBEIN
®
Co. MODEL PBC-6000™
OPERATOR’S MANUAL
REV. D 2005-03
15
CENTERING
There are two conditions to satisfy the centering required for a good seal. Where the two carry
through belts come together to grasp the bag top, must be centered above the middle of the
conveyor (i.e. the centerline of travel for the bags’ path). (
Illustration 6.4
) If a bag enters the
system too far towards the back or front of the machine, the bag may not enter the system straight
(affecting the seal quality) or the bag may be tilted too far and tip over. If the bags are being fed
into the system manually, the operators should be careful to center the bags between the carry
through belts. For automated systems, the PBC 6000 can easily be moved after unlocking the two
rear casters.
The second condition involves centering the bag top vertically
with the carry through belts. The height adjustment on the
PBC 6000 is used to bring the machine’s creaser wheel (the
device used to create the crease-line for the fold) to the correct
elevation with the entering bags. To determine the correct
height, allow a filled bag sample to come up to the infeed on
the PBC and then stop the conveyor system. Note the location
of the glue line on the bag top. The bottom edge of the glue
line should be just above the creaser wheel. It can be a little
higher, but the crimp must be made below the bottom of the
glue edge. (
Illustration 6.5
)
For the manual infeed, once the creaser wheel has been
adjusted to the correct height, the bag top guide can be
adjusted (vertically) to match the height of the bag top.
(
Illustration 6.6
) The guide is provided to help operators feed
the bag into the machine at the correct height.
Illustration 6.4
Illustration 6.3
Содержание PBC-6000
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