Improving lifetime and performance for tube
winding belts with Nitta Zeroseam
At Sonoco Consumer Products in Mechelen,
Belgium, machines are hardly ever standing
still, producing cardboard tubes for the
food market. A big part of the machine
performance for spiral tube winding
machines, which are used to produce paper
cores, is the tube winding belt. This belt
applies pressure in order to achieve the
required level of adhesion between the
individual webs of paper. The application
poses unique challenges to belts, requiring
strong tension, flexibility, high grip and high
abrasion resistance.
The high stress put on the belt at high
production speed means that belts had to
be exchanged often, generating significant
costs for maintenance.
Determining that the reason for the high
wear of the Polyamide-type belts is due
to the rigidity of the belt material, Nitta
recommended Zeroseam ZS-TWL-42H to
improve the performance.
Nitta Zeroseam was developed specifically
with the needs of the tube winding
application in mind – offering a strong cord
tension layer which allows for high flexibility
due to its seamless construction.
With this more flexible material, pressure
is applied evenly to the paper, so the
tension level can be reduced, significantly
increasing lifetime and decreasing energy
consumption.
Nitta's rubber compound combines a high
coefficient of friction with strong resistance
to abrasive material like paper, leading to
high, long-time stable grip.
“The actual production numbers we could
achieve with the new belts from Nitta go far
beyond our expectations.
Compared to the previously used belts,
a lifetime of up to seven times could be
reached, keeping production speed and the
quality of the end product at the same high
level,” says Luc Van Campenhout of Sonoco
in Mechelen.
Nitta Zeroseam is currently available in
three different configurations, width and
length freely customizable.
Additional belt types are currently being
developed, both for the tube winding
application and for other markets.
www.nitta.de
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