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How to reduce the unevenness of combed strips?

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How to reduce the unevenness of combed strips?

(Summary description)Reasonably adjust the parameters of the separation roller timing, the closing time of the nipper plate, the positioning of the cylinder, adjust the pressure of the separation rubber roller and the draft rubber roller, and reasonably configure the width of the separator between the separation rollers (new comber) The width of the cotton collector is adjustable) to improve the quality of the separation joint.

How to reduce the unevenness of combed strips?

(Summary description)Reasonably adjust the parameters of the separation roller timing, the closing time of the nipper plate, the positioning of the cylinder, adjust the pressure of the separation rubber roller and the draft rubber roller, and reasonably configure the width of the separator between the separation rollers (new comber) The width of the cotton collector is adjustable) to improve the quality of the separation joint.

Information

1. Reasonably adjust the parameters of the separation roller timing, the closing time of the nipper plate, the positioning of the cylinder, adjust the pressure of the separation rubber roller and the draft rubber roller, and reasonably configure the width of the separator between the separation rollers (new comber) The width of the cotton collector is adjustable) to improve the quality of the separation joint.

If the length of the fabric and the length of the cotton are relatively long, the timing of the separation of the separation roller should be appropriate early, especially when advancing the cotton. However, it is necessary to take into account the interference of the rear row of the needles in the rear row of the cylinder after the separation of the roller is reversed. From the point of improving the separation joint quality and reducing the unevenness of the strip, the closing timing of the nipper plate cannot be premature, otherwise the opening is far, which affects the straightening of the stalk, thereby affecting the quality of the separation joint.

However, it should be noted that the timing of the closing time of the nipper plate should be able to handle the relationship between the mutual restraint and the mutual influence factors when the clamping force of the nipper plate clamp to the cotton layer is satisfied.

2. Properly configure the drafting process of the drafting mechanism.

After the drawing, the unevenness of the sliver of the sliver is generally large. If the drafting is improperly arranged, the strip will be further deteriorated. Therefore, the stripping of the combed strip, the length of the fiber, and the drafting of the post-process should be followed. The parameters such as capacity correctly configure the drafting ratio of the drafting mechanism, the roller gauge and the amount of pressurization. On the domestically produced new combing machine, the drafting mechanism adopts a relatively large amount of combed strips (slightly smaller drafting multiples), which is beneficial to ensure the stripping of the combed strips and also reduces the speed of the loop strip mechanism for other machines. Type reference. The drafting of the rear area of ​​the FA266 comber is designed to be adjustable, which increases the flexibility of adjustment, which is beneficial to rationally adjust the process parameters and improve the uniformity of the strip.

3. Reasonably control the tension draft of each part.

Since the combed strip is made of one bundle, and the fibers have high parallelism, the cohesion between the fibers is poor, and it is easy to cause accidental elongation. Therefore, in the case of no wrinkles, the tension The drafting should be as small as possible. After drawing by the drafting mechanism, the tension drafting is close to 1 as well.

4. Keep the cylinder and top comb machinery in good condition, do not embed the flower coat, separate the surface rollers such as the rubber roller, the draft rubber roller and the pressure roller, and the rotation is flexible. The passage of the yarn is smooth, preventing the yarn structure from being damaged and causing accidents. elongation.

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