Page 57 - TEXtalks International May/June 2022

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tufts are open, preventing any small contaminants into production lines, adapting the position of the fiber
being hidden inside them. feed and the main components with the imaging
spectroscopes, for optimum results. Customers can
Once identified, the contaminations are automatically
choose between widths of 1,600 and 1,200 mm, with
Controlling contamination ejected by the system, preventing contamination of specific solutions available for challenging environ-
ments and with any type of material. Stainless steel
the web. Some waste here is inevitable, but Uster
inserts, in areas which come into contact with the fibers,
It starts at the beginning… Jossi Vision Shield N controls this by continuously guarantee unmatched durability.
measuring the speed at which the fiber tufts pass
through. It then uses precision valves to time each
ejection perfectly, so that only the unwanted The future-oriented graphical user interface gives a
quick overview of running performance in real-time,
contaminant is removed, with an absolute minimum on a large high-resolution touchscreen, showing the
Uster solution for flawless fibers and quality webs in drylaid nonwovens of ‘good’ fiber being lost. most relevant data at a glance. User-friendly, quick
and intuitive navigation makes data handling easy.
Fitting every line
Uster Jossi Vision Shield N is the result of surveys, Challenge the experts
close collaboration with international nonwovens Managing quality with Uster Jossi Vision Shield N at
companies and countless hours of field tests. the fiber preparation stage gives manufacturers the
Installation is easy, since the fiber cleaner’s slim total confidence that only contamination-controlled
design fits perfectly into existing lines. The system products are delivered. Uster is ready to meet this
readily copes with the pace of standard production challenge for the nonwoven community. Expert
environments – up to a capacity of 2,000 kg per hour. first-hand information will be available at Techtextil
Frankfurt, on the Uster booth B55 in Hall 12.0. The
Uster ensures that the system is seamlessly integrated invitation also extends to ITM in Istanbul.

Uster Jossi Vision Shield N installed at fiber preparation for nonwovens Contaminated fiber
In medical, hygienic and cosmetic applications N integrated in their fiber processing line, nonwovens
flawless end-products are essential. And that means producers can avoid that risk.
contamination in the fiber raw material is not allowed.
Uster Jossi Vision Shield N is the solution. It works Uster Jossi Vision Shield N uses imaging
right at the start, within the process line, eliminating spectroscope technology to identify contamination in
even the tiniest unwanted particles and protecting a fraction of a second, instantly removing it from the
nonwovens manufacturers from damaging claims. mass of good fiber material. Detection works across
a much greater wavelength than conventional
The big upcoming events are ideal platforms for camera systems, so that contamination as small as a
Uster to present its quality assurance solutions for single hair and in the lightest colors is pinpointed.
nonwovens, as well as spinners: Techtextil Germany
and ITM in Turkey in June. Proven contamination control for bleached cotton
Uster Technologies has built experience and
Optimization in fiber processes technological know-how over nearly three decades of
Raw fibers from bales are opened and blended in the fiber cleaning in spinning. Contamination is
blowroom before carding, and this stage can unwelcome in yarn, just as it is in fleece! Worldwide,
significantly influence the quality of the end-product 5,000 installations of Jossi Vision Shield fiber
in drylaid nonwovens. Installing an Uster fiber cleaner cleaning systems in spinning mills underline Uster’s
in the line ensures highest level of control over success in ensuring contamination-free spun yarn.
contamination in the carded fleece – and
consequently the end product. The same expertise also works for bleached cotton.
Producers of items for cosmetic, medical and baby
The risk of contamination, such as small pieces of care can meet the required zero-tolerance demand
plastic, reaching the card is that it will be shredded for any contamination fragments larger than 1 mm.
into minute particles and then be incorporated into
the material at web bonding. This kind of For best results in contamination detection, Uster
contamination would be disastrous in a hygiene or Jossi Vision Shield N is integrated right after the
cosmetic application which comes into contact with opener in the blowroom. At this stage in fiber
sensitive human skin. With Uster Jossi Vision Shield preparation, detection is enhanced, since the fiber
May/June 2022