Uster: Confidence for the producers of nonwov...
Uster

Confidence for the producers of nonwovens

(Source: Uster)
(Source: Uster)

Manufacturers of drylaid nonwovens have to operate to stringent quality levels – with reliability and zero-tolerance standards for defects bigger than 1 mm. In this nonwovens segment, end-product quality depends on the efficiency of contamination sorting, early in the process. Contamination control is important in producing nonwovens for sensitive applications such as medical, hygiene and cosmetics. The Uster contamination sorter masters this essential job with ease and security.  
 
The Jossi Vision Shield N developed by Uster Technologies AG, Uster/Switzerland, is the result of surveys, close collaboration with international nonwovens companies. Installation is easy, since the fiber cleaner’s slim design fits well into existing lines. The system readily copes with the pace of standard production environments – up to a capacity of 2,000 kg/hour. Stainless steel inserts, in areas which come into contact with the fibers, guarantee durability.
The future-oriented graphical user interface gives a quick overview of running performance in real time, on a large high-resolution touchscreen, showing the most relevant data at a glance.  
Bio-cotton is a trend growing from the sustainability movement, with customers willing to pay higher prices for natural products. However, bales of cotton typically contain various kinds of contamination – none of which should get into the final product, and ideally should be removed at the earliest stage of production.
Eliminating contamination during fiber preparation – and before the contaminants are shredded into smaller particles by the further processes –improves the quality of the raw material and reduces waste. The Uster Jossi Vision Shield N contamination sorter ensures the good detection and removal of contamination, right after the fiber opener.  
Conventional camera-based systems cannot match the performance of the top-level spectroscope technology from Uster. The high-end Imaging Spectroscopes in Jossi Vision Shield N can find contamination even within the ‘invisible’ range of IR and UV light.

(Source: Uster)
(Source: Uster)
The same expertise also works with bleached cotton. Fragments of contamination in light pastel colors and white are also no problem. The ‘Quick Teach’ feature automatically learns the correct color of each new raw material, to prevent false ejections when material lots are changed.
When purchasing synthetic fibers nonwovens producers expect high quality and no contamination. Control is a secure method when operating a business in highly sensitive applications such as medical textiles. Contamination is not acceptable, and a white color generally a must. Detection of tiniest contamination fragments, even in light pastel colors and whites is not a problem with Uster Jossi Vision Shield N.
 
Managing quality with Uster Jossi Vision Shield N at the fiber preparation stage can give manufacturers the confidence that only contamination-controlled products are delivered.

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