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Process Design and Quality Control Of Winding Machine - Process Design and Quality Control Of Doubli Process Design and Quality Control Of Winding Machine - Process Design and Quality Control Of Doubli

Yarns for dyeing are more demanding than ordinary corn yarns. In particular, it is required that the density of the yarns should be uniform, there should be a very precise non-overlapping yarn layer, the spindle length and diameter should be more accurate, and the yarn unwinding should be better. This package has the best liquid permeability in the dyeing process. In this paper, the relative factors affecting the density and evenness of the yarn are analyzed experimentally, and the relative technological parameters are optimized. The following is conclusions:

The winding speed of loose precision winding machine does not affect the yarn density. Arm pressure has a great influence on density, and it is usually given priority to adjust the arm pressure when the density difference is large. Tension is the key factor to control the density of the yarns. The purpose of overfeeding is to fully release tension. Different overfeeding ratio can be selected according to different yarn varieties. The purpose of overfeeding is to fully release tension. Different overfeeding ratio can be selected according to different yarn varieties. The cross Angle should not be too large; The temperature and humidity have great influence on the density of loose package and generally stability should be controlled.

With the enhancement of people's aesthetic awareness and the improvement of living standards, high-grade yarn-dyed products are increasingly favored by people. Not only the real silk, chemical fiber silk, artificial silk, blended yarn and cotton yarn can also be manufactured with color silk, which makes the soft color
technology widely used in yarn-dyed industry. In general, the grey yarn purchased from the outside needs to be wrapped into "loose bobbin" suitable for bobbin dyeing for the next process, so the demand of loose precision winding machine is increasing day by day. To produce qualified loose bobbin package, convenient uniform dyeing of corn yarns has become a problem to be solved.
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