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The carding machine mainly controls the neps and impurities in the sliver

Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

Since there are basically no openings in the subsequent carding process, the carding and elimination of impurities, sliver neps, and impurities directly affect the defects of the heteroneps and fabrics, and also affect the movement of stretching the fiber in the subsequent carding process, The set of blockages and movement of the bead ring increases, resulting in poor sliver, yarn faults, and broken filaments. Grinder A spinning machine that turns fiber strands into rovings. The main function is to draft and twist, and to wind the roving into a certain package to meet the processing requirements of the spinning frame.

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. 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. Therefore, in order to control and reduce the sliver in the spinning process is a heteroknot is extremely important bad.

In each process of cotton spinning, the basic development of the change of neps and impurities is: from stripping to sliver, the weight of impurities is rapidly and effectively reduced by percentage, but the number of grains gradually begins to increase, and the working weight of each can reduce cotton In the steel cleaning process, it is necessary to increase the number of enterprises. In most cases, the number of knots from sliver to roving is finely spun into spun yarn. Because part of the knots is wrapped in the yarn, the detected knots Usually 20~40% less than raw sliver. But about 3~7 times more knots than raw cotton. After the spun yarn goes through the winding and doubling process, the knots on the surface are scraped and the number of grains is reduced. Therefore, to control and reduce the neps and impurities of the raw towel, it should be based on the condition of the raw cotton and the requirements for yarn formation, as well as the change of cotton spinning and impurities in each process, and play the role of eliminating other impurities in the sinking and carding processes. formation and fragmentation of impurities.

The impurity content of raw strips should generally be controlled below 0.15%. The control and management level of sliver neps and impurity grains is listed in Table 3-20. The main research methods of controlling neps and impurities in carding machine output are as follows: (1) Strengthen carding.

The purpose of improving the performance of the carding machine is to improve the carding quality, separate impurities from the fibers, facilitate the removal of impurities, decompose the cotton bundles, and reduce the neps. The specific measures to strengthen the combing are introduced above. (2) Reduce heteroaryl groups in advance and in time.

What is the most advantageous part of closing the impurities, it is clear that the labor data and the division of labor to sort out the division of labor to purify the impurities of the part itself. This is reflected in the rate of cotton tribe and cleaning efficiency, as well as the appearance and amount of noil and noil content. Usually the greater apparent separation of impurities should be achieved early on the principle of less fragmentation.

However, fibers with larger impurities, and when it falls without disintegrating fibers, will have good adhesion of fiber droplets, early fall is not as fast as possible, especially with long fiber contamination, the card is carded by carding on Liquidation is more beneficial. Therefore, when the raw cotton is poorly mature and there are various fibers with impurities, the impurities should be appropriately increased by carding and noil. Except the key impurities in the licker-in card part, the magnetic seeds should be used, with shorter fibers and impurities, which are removed, and the stiff flaps avoid the embedded impurities from being crushed or affecting the clothes by the combing action.

Therefore, in addition to impurities a few adhesions should be more licker-off part, early fall. The plate cylinder and light discharge section are suitable for coating fine fibers with different lengths, impurities and neps, short fibers, etc.


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