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Double top roller drafting area of ​​quilt production line

Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

The distribution of fiber speed change points in the double apron area of ​​the quilt production line The front area of ​​the drafting device of the domestic quilt production line adopts the double apron drafting. 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. 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). Special equipment for the textile industry on the winder.

As the last process of spinning and the first process of weaving, winding is the link between the past and the next.“bridge”Therefore, it occupies an important position in the textile field. According to the basic principle of roller drafting described in Chapter 4, the distribution of fiber speed change points in the draft zone is closely related to the unevenness of the output yarn. A comparative experiment has been done on the distribution of fiber speed change points for simple roller drafting, and the results are shown in circles 5-11. The quilt is lined with double apron nose style, the ring should be in direct contact with the working veil, with some friction field to prevent the fibers from getting early fans.

In the pin apron, the composition and apron with soft nip pressure can not only control the movement of short fibers, but also make the grip of the fibers smoothly taken out of the front roller jaws. Therefore, the shift points are reflected in the fiber distribution, with a single and simple Yang Ting lap retractor roller draft comparison, from the shift points closest to the front roller jaws, the least dispersion, and the highest kurtosis The distribution with the least variation in the average position and time of the fibers. Therefore, the double-layered retractor figure has a greater ability to draw over the simple rolls of control and single-apron drafting and sheep's movement of the fiber spun yarn retractor.

It should be pointed out in the chapter that the front area of ​​the s spun yarn drafting system device belongs to the double apron drafting. Because of the difference in structure and process configuration, the main stretch capacity and the evenness of the spun yarn have a great impact. difference. For example, the 1291 type drafting technology device (see Figure 5-12), its front area restraint development ability is only 12 to 15 times that of the average enterprise, while the 1291 type-K2 pin and 1291-type-s pin (see Figure 5) have been transformed. -13 and Figure 5-14), the level of stretching exercise capacity in the anterior zone is generally used up to 20 to 30 times.


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