The winder is a special equipment in the textile industry. Winding, as the last process of spinning and the first process of weaving, plays the role of "bridge" linking the previous and the next, so it occupies an important position in the textile field.
The main tasks of the winding:
1. Change the package and increase the yarn capacity of the yarn package: connect the cops (or skeins) with less capacity through the winding to make a bobbin with a larger capacity. The capacity of one bobbin is equivalent to more than 20. Just yarn. The package can be used for warping, twisting, weft winding, dyeing, weft yarn on shuttleless looms and knitting yarn. If the cops are used directly in these processes, it will cause too much downtime, which will affect the improvement of production efficiency and the improvement of product quality. Therefore, increasing the package capacity is a necessary condition for improving the productivity and quality of the subsequent processes.
2. Remove defects on yarn and improve yarn quality: There are some defects and impurities in the yarn produced by cotton spinning mills, such as thick places, fine details, double yarns, weakly twisted yarns, neps, etc. During winding, the yarn clearing device is used to check the yarn, remove the defects and impurities on the yarn that affect the quality of the fabric, improve the uniformity and smoothness of the yarn, and help reduce the yarn breakage in the subsequent process. , to improve the appearance quality of the fabric. It is most reasonable for the defects and impurities on the yarn to be removed in the winding process, because the work of each package is carried out independently during the winding process. When a package is broken, the other packages can continue to work without being affected.
Process requirements for winding:
1. Appropriate winding tension will not damage the original physical and mechanical properties of the yarn.
2. The packaging capacity of the bobbin is large, the shape is good, and it is easy to unwind.
3. The yarn joints are small and firm and try to form a knotless yarn.
4. The length of the bobbins used for warping should be fixed, and the bobbins used for dyeing should have a uniform structure (even roll density).
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