Germany's Oerlikon Manmade Fibers has developed a new sensor related to spun-dyeing technology that helps identify yarn breaks in critical yarns such as extra-fine and spun-dyed yarns.
Spun-dyed yarns offer superior colour-fastness, cost advantages and, above all, tighter environmental rules and regulations for dyeing works within the Chinese market. As a technology company, the Oerlikon Manmade Fibers segment focuses on solutions for customer specific requirements and looks into the subject of spun-dying.Germany's Oerlikon Manmade Fibers has developed a new sensor related to spun-dyeing technology that helps identify yarn breaks in critical yarns such #
Oerlikon's after sales services division has developed the new senor that supports spun-dyeing technology. Conventional optical sensors frequently do not register extremely fine or coloured yarns and therefore signal a yarn break which results in a direct interruption to the spinning process. And the black yarns so common in the automobile industry are a particularly serious challenge for sensor technology. The new dual sensor of the Manmade Fibers segment can prevent this misdetection, reliably identifying yarn breaks, according to a press release.
Spun-dyed yarns are a huge challenge for small components used in texturing as well. To this end, spun-dyed yarns result in considerably faster wear to the coatings of yarn guides. Black yarns in particular have a very aggressive impact on yarn guides as a result of their high carbon content. With increasing market shares for black yarns, this is a considerable cost factor for texturing companies.
Oerlikon's after sales manager Achim Beul said, “In trials, the development of a new material for coating the yarn guides has produced outstanding results. Whereas conventional yarn guides used when processing black yarns can in extreme cases be damaged in just two days of operation, the deployment periods have been considerably extended in the case of the new coating.” (GK)
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