News
How to reduce the uneven rate of combed strips?
Release time:
2019-08-29 13:37
Source:
1. Reasonably adjust the parameters such as the forward rotation timing of the separation roller, the closing timing of the clamp plate, the positioning of the cylinder, etc., adjust the pressure of the separation roller and the drafting roller, reasonably configure the width of the cotton collector between the separation rollers (the width of the cotton collector of the new combing machine is adjustable), and improve the separation and bonding quality.
If the length of the working fiber and the length of the cotton feeding are relatively long, the separation roller should be moved forward, especially when the cotton is fed forward. However, the interference of the rear row needle teeth on the end of the cotton net poured into the machine should be taken into account after the separation roller is reversed early. In order to improve the quality of separation and bonding and reduce the unevenness of the strip, the clamping plate should not be closed too early, otherwise the opening will be far away, which will affect the head-up straightening of the bushes, thus affecting the quality of separation and bonding.
However, attention should be paid to the reliability of the clamp plate jaws to the cotton layer when the cylinder begins to comb, and the relationship between these mutual constraints and mutual influence factors must be handled.
2. Correctly configure the drafting process of the drafting mechanism.
After drafting, the uneven rate of the yarn strip is generally large, if the drafting configuration is improper, it will further worsen the strip dry, therefore, should be in accordance with the combing strip quantitative, fiber length, post-process drafting capacity and other parameters of the correct configuration of the drafting mechanism of the drafting multiple, roller spacing and pressure. On the domestic new combing machine, the drafting mechanism adopts a relatively large combing strip quantity (relatively small drafting multiple), which is conducive to ensuring the strip dry of the combing strip, and can also reduce the speed of the ring strip mechanism, which can be used for reference by other models. The draft of the back area of the FA266 comber is designed to be adjustable, which increases the flexibility of adjustment, is conducive to the rational adjustment of process parameters and improves the uniformity of the strip.
3, reasonable control of the tension of each part of the draft.
Because the combed strip is made up of a whisker bundle, and the fiber parallel straightness is high, the cohesion between the fibers is poor, easy to produce accidental elongation, so, in the case of no sliver wrinkle, the tension draft should be as small as possible as possible, after the drafting mechanism, the tension draft to close to 1 as good.
4, to keep the cylinder, top comb mechanical condition is good, not intarsia clothing, separation of rubber rollers, drafting rollers and pressure rollers and other surface glossing, flexible rotation, yarn through the channel smooth, to prevent damage to the yarn structure and accidental elongation.
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How to reduce the uneven rate of combed strips?
Release time:
2019-08-29 13:37
Source:
1. Reasonably adjust the parameters such as the forward rotation timing of the separation roller, the closing timing of the clamp plate, the positioning of the cylinder, etc., adjust the pressure of the separation roller and the drafting roller, reasonably configure the width of the cotton collector between the separation rollers (the width of the cotton collector of the new combing machine is adjustable), and improve the separation and bonding quality.
If the length of the working fiber and the length of the cotton feeding are relatively long, the separation roller should be moved forward, especially when the cotton is fed forward. However, the interference of the rear row needle teeth on the end of the cotton net poured into the machine should be taken into account after the separation roller is reversed early. In order to improve the quality of separation and bonding and reduce the unevenness of the strip, the clamping plate should not be closed too early, otherwise the opening will be far away, which will affect the head-up straightening of the bushes, thus affecting the quality of separation and bonding.
However, attention should be paid to the reliability of the clamp plate jaws to the cotton layer when the cylinder begins to comb, and the relationship between these mutual constraints and mutual influence factors must be handled.
2. Correctly configure the drafting process of the drafting mechanism.
After drafting, the uneven rate of the yarn strip is generally large, if the drafting configuration is improper, it will further worsen the strip dry, therefore, should be in accordance with the combing strip quantitative, fiber length, post-process drafting capacity and other parameters of the correct configuration of the drafting mechanism of the drafting multiple, roller spacing and pressure. On the domestic new combing machine, the drafting mechanism adopts a relatively large combing strip quantity (relatively small drafting multiple), which is conducive to ensuring the strip dry of the combing strip, and can also reduce the speed of the ring strip mechanism, which can be used for reference by other models. The draft of the back area of the FA266 comber is designed to be adjustable, which increases the flexibility of adjustment, is conducive to the rational adjustment of process parameters and improves the uniformity of the strip.
3, reasonable control of the tension of each part of the draft.
Because the combed strip is made up of a whisker bundle, and the fiber parallel straightness is high, the cohesion between the fibers is poor, easy to produce accidental elongation, so, in the case of no sliver wrinkle, the tension draft should be as small as possible as possible, after the drafting mechanism, the tension draft to close to 1 as good.
4, to keep the cylinder, top comb mechanical condition is good, not intarsia clothing, separation of rubber rollers, drafting rollers and pressure rollers and other surface glossing, flexible rotation, yarn through the channel smooth, to prevent damage to the yarn structure and accidental elongation.