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Application-Report - Quality control on wallpaper coating machines

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rt2 copyADFORS:
The company ADFORS belongs to the Saint-Gobain Group, the largest supplier of materials and building technologies worldwide.
ADFORS focuses on the construction and industrial markets and offers solutions based on a complete assortment of textile and coating technologies using synthetic and natural fibres. They are the global market leader in the field of tech- nical textiles and provide solutions which have been precisely adapted to customer requirements.

Application/ Task:
During quality control on wallpaper coating machines for glass-textile wallpaper, it is necessary to control the straight- ness of the wefts at an average of once per hour.
The frequency should be adjusted using a potentiometer as the machine speed can vary between 12-40m/min.
The web width which has to be illuminated is two meters.

Solution/ Result:
The decision was made to use the stationary stroboscope RT STROBE 12000 LED (A6-12210). At a distance of 60cm, the whole web width of two meters can be inspected.
Offset weft threads are checked online using the stroboscope at a speed up to 40m/min. In the past, to inspect this offset, the machine speed had to be reduced which led to a loss of production. It is now possible to carry out the inspection at full speed.

RHEINTACHO Messtechnik GmbH · Waltershofener Str. 1 · D - 79111 Freiburg phone +49 761 4513 0 · fax +49 761 445 274 · www.rheintacho.de