Experience with the quality management of compact yarns.

With the introduction of compact spinning there exist new opportunities for the design of fabrics and garments. These opportunities have already been investigated and published by the machine manufacturers. This article deals with the quality management of compact yarns from the point of view of a yarn clearer and laboratory systems manufacturer. It is essential to optimize the yarn clearing process to keep the number of cuts on a low level in order to keep the number of splices under control. The foreign fibers in fabrics made of compact yarns can be recognized easily because of reduced hairiness of compact yarns. Electronic clearing systems on winders are capable to detect and eliminate foreign fibers. However, it has to be taken into consideration that removed foreign fibers have be replaced by splices.