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Car noil control after carding machine

Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

There is a certain difference between the control of the carding machine noil and the control of the breaking rate. Carding machines are used to process cotton fibers and chemical fibers and belong to textile machinery. According to the spinning process, carding is an important process.

The front process of the carding machine is the opening and cleaning machine, and the latter process is the drawing frame (carding process) or the sliver coiler (combing process). The structure of the double twisting unit of the double twisting machine mainly includes the spindle braking device, the spindle part of the double twisting machine, the yarn winding device, and the special device of the double twisting unit. During the spinning process of the spinning frame, the semi-finished roving or sliver is drafted, twisted, and wound into a spinning machine. The combed sliver and the needle-carding machine combine the sliver, the needle row is drafted to improve the sliver structure, and the roving is further spun into spun yarn on the ring spinning frame, which is the main spinning machine.

Because, if the car belly is not slightly larger to exclude impurities, although the copy is made, the cut flowers can also be partially excluded, but the impurities, severe cases may have cracked grains that can double or even dozens of times increase, another Aspects impurities will not be excluded from filling between cylinders or flat garments, weakening carding performance and deterioration of wool quality. So, in a sense, the belly of the car should be regarded as the last card of the impurity mark. Therefore, the main car belly of flowers should take a more cautious attitude.

Table 2-16 Relationship between belly noil rate and product quality for different cars. The noil rate of the rear belly should be determined according to the impurity content of the cotton lap, the quality management requirements of the yarn, and the impurity removal efficiency of the carding machine. If the control of the rate of cotton cleaning and seed breaking is tight, the impurity rate in the cotton lap is high, or there are many studies on the fine impurities in the cotton lap, and the development requirements for the quality of the finished yarn are high, the back of the carding machine The cotton rate should be slightly higher, and the average student masters 120-150% of the impurity in the cotton lap.

If there are too many impurities in a small part of the cotton lap and the fine yarn elbow with relatively high spinning quality standards, the noil rate of the rear belly also has its own control over 160% of the impurity content of the cotton lap. On the other hand, if the content of small metal impurities in the lap is not much, when spinning medium and thick yarns with low quality requirements, the noil rate of the rear belly can be controlled at 100-110% of the impurity content of the cotton lap. It must be explained in detail here that not only should pay attention to the quantity of waste caused by the rear belly, but also pay attention to the quality of the waste, increase the impurity content of the waste (generally more than 40%) and improve the content of the waste, in order to facilitate Enterprises improve the quality of the company's products and services and save cotton.


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