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Cotton lap trash content control

Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

The experimental research shows that if 30 cottonseeds are added to the 100g cotton lap, the sliver hand-picking impurities (10 greens) will probably increase by about 4 seeds. 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). 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.

For every 100 grams of cotton rolls, if the value flap and soft seed epidermis are increased by 0.28 grams, the raw material and impurities may be increased by about 3. If there are 1000 grains of infertility in every 100 grams of cotton lap, it may be necessary to add about 7 grains of impurities in the sliver. Cotton products are used under the quality requirements and conditions, the process and the mechanical conditions of the factory, through experiments and analysis, can make a round of appropriate digital control.

The following number of yarns is 14.58, Yumian is used, at the level of 2.0, the content of lapped heteroatoms can be basically controlled according to the following principles, the number of neps impurities can be stably spun out at about 70, of which 20 neps are . 1. The research on large impurities such as cotton special and seed cotton should be cleaned up, and broken seeds should also be basically effectively eliminated. 2. At present, the content of sterile seeds per 100 grams of raw cotton is between 200 and 250, with a maximum of about 350.

Therefore, the content of sterile seeds per 100 grams of cotton rolls is likely to be controlled below 100. image 3. In the process of processing, using fiber seed chips to take an appropriate amount and less polishing can also increase by more than 20%.

If the raw cotton is shaving to 310 grams per 100 grams of fiber seed chips, then the optimal volume of cotton is 370 grams or less. 4. About 30% of hard and soft seed epidermis can be removed by weight on the cotton cleaner. If the content of raw cotton per 100 grams is 0.9 grams, then the cotton lap can be controlled at about 0.6 grams.

5. Leaf debris is easy to remove in both parts of cleaning and combing. Therefore, strict management control is not necessary in laps. 6. The neps are generally about twice as large during opening and picking.

If there are 50 neps per 100 grams of raw cotton, the number of neps in the lap should not exceed 100. In addition to neps, try to hide as few cotton bundles in laps as possible, especially when dealing with combed cotton, if the cotton laps are overripe, a large number of neps will continue to increase on the carding machine. In general, the neps on the carding machine are 3-4 times higher than that of the lap, and the tufts in the lap are the main factors that cause the neps in the sliver.


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