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Spin-Offs | April 2015

WEFTMASTER® FALCON-i for reliable monitoring

In order to monitor an individual thread for finest knots, fluff, filamentation, smallest thick places or even capillary breaks, Loepfe´s newly developed FALCON-i sensor is installed, e.g., before or after a weft feeder. The thread can be monitored by using sensitivity levels, to be set manually or automatically. Automatic mode determines the sensitivity level itself. The sensor is insensitive to vibrations which can be extremely disturbing, especially with laser measuring devices, and which could cause false stops. When contamination is severe, the sensor can also be installed «upside down» which allows most reliable and constant monitoring. The thread is guided virtually contact-free through the optical measuring field by yarn guides before and after the sensor and a stop is triggered for defined faults. The color of the thread to be monitored also has no influence on measurement reliability. It is therefore possible to monitor the latest high-tech materials, e.g. carbon, without problems with FALCON-i. Monofilaments, multifilaments as well as spun yarns in any material composition can be processed. Conductive materials can also be processed without restriction. The housing of the sensor is made from shielding material so that any existing static or electromagnetic fields will not affect measurement reliability.

The FALCON-i sensor is microprocessor-controlled and therefore provides many options for connection to evaluation modules. The latest findings and experience flow into the design work of our software engineers. Adaptations of the software and individual adaptations to customer requirements can therefore be easily implemented through software upgrades of already available sensors.

Loepfe is a global leader in manufacturing optical yarn clearers for automatic winding machines. Many years of experience in this field enabled the development of the new optical FALCON-i sensor. Technical support and spare parts availability, even many years after purchasing the sensors, are a matter of course for Loepfe. Loepfe?s new yarn defect sensor FALCON-i is not only complementing the various available knotless weaving concepts, but can be used in many different processes down the textile production chain - wherever an individual yarn monitoring should ensure quality!

For further information:
Loepfe Brothers Ltd.
P.O. Box 582 ´ Kastellstrasse 10
8623 Wetzikon / Switzerlandv Phone: + 41 43 488 11 11
Web: www.loepfe.com
Email: info@loepfe.com

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