Reducing yarn hairiness in ring spinning by an agent-aided system

Li, Peiying; Guo, Mingrui; Sun, Fengxin; Gao, Weidong

doi:10.1177/0040517519835769

Cited by 14 publications

(15 citation statements)

References 12 publications

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“…The cylinder of the AARS can rotate driven by the motor and bring the solution in the container to the surface of the fibrous strand at the contact region of the cylinder and the fibrous strand. 18 During the twisting process after the drafting of a roving, the fibrous strand rotates around its axis in the yarn formation zone between the front roller nip and the traveler. In the AARS, the location of the fixed cylinder needs to satisfy that the fibrous strand can still contact the cylinder during the reciprocating motion of the yarn guide.…”

Section: The Aarsmentioning

confidence: 99%

An adhesive-aided ring spinning for improving cotton yarn quality with the aid of sodium carboxymethyl cellulose solution

Guo

Sun

et al. 2020

Journal of Engineered Fibers and Fabrics

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An adhesive-aided ring spinning was developed to improve cotton yarn quality through the wetting and adhesion effect of an adhesive solution, namely, sodium carboxymethyl cellulose solution on fibrous strand in yarn formation zone during spinning process. The spinning mechanism of the adhesive-aided ring spinning with sodium carboxymethyl cellulose solution was analyzed, and the effects of two factors, that is, speed ratio (the ratio of the linear surface velocity to the output speed) and sodium carboxymethyl cellulose concentration, on the yarn performance are investigated. The experiment results reveal that the adhesive-aided ring spinning with sodium carboxymethyl cellulose concentration of 0.7% can significantly reduce yarn hairiness indicated by the hairiness S3 value reducing to 69% and still showing a prominent reduction (65%) after winding process. It has been found that a slightly faster linear surface velocity of the cylinder of the adhesive-aided ring spinning compared with the output speed of the yarn is more beneficial to the reduction of yarn hairiness S1+2 value. Meanwhile, the higher sodium carboxymethyl cellulose concentration also contributes to a higher breaking strength (increasing from 18.24 to 21.12 cN/tex) and lower breaking elongation (reducing from 4.98% to 4.08%). The abrasion resistance of adhesive-aided ring spun yarns also shows an obvious improvement of 12.8%. Therefore, the newly developed adhesive-aided ring spinning with the sodium carboxymethyl cellulose solution provides an effective method to enhance the quality of cotton yarns.

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Section: The Aarsmentioning

confidence: 99%

An adhesive-aided ring spinning for improving cotton yarn quality with the aid of sodium carboxymethyl cellulose solution

Guo

Sun

et al. 2020

Journal of Engineered Fibers and Fabrics

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“…Adhered hairy fiber in yarn body is shown in Figure 26(c). In addition, only the outer layer of the fibrous strand touches the water and this water evaporates during the balloon process [62]. Figure 26.…”

Section: Agent Aided Spinning System (Aas)mentioning

confidence: 99%

“…Figure 26. A schematic illustration of the adhesion theory for the agent-aided system [62]. Journal of Textile Science and Technology…”

Section: Agent Aided Spinning System (Aas)mentioning

confidence: 99%

An Overview on the Spinning Triangle Based Modifications of Ring Frame to Reduce the Staple Yarn Hairiness

Khan¹,

Begum²,

Sheikh³

2020

JTST

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Traditional ring spinning system is associated with the several limitations, one of which is yarn hairiness. The awareness has been vibrantly growing among the spinning mills for reducing staple yarn hairiness because of its detrimental effects on the subsequent processes (i.e., weaving, knitting, dyeing etc.) and the quality of resultant textile products. As a result, modified form of ring frame has attracted a lot of attention among the researchers for making yarn with the lower level of hairiness value. Besides the raw material parameters and some processing variables, spinning triangle (ST) is the most critical region that has decisive influence on the distribution of fiber tensions and their spatial orientations and shapes in staple yarn body. Thus, using appropriate methods to control the spinning triangle geometry actively has been a vital issue in the field of yarn hairiness reduction. In this paper, it is attempted to make an overview on the spinning triangle based modifications of ring frame that have been designed and destined to reduce hairiness. However, agent aided ring spinning system has also been briefly discussed in this paper as well.

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“…Singh et al 23 and Wang and Chang 24 unveiled a novel initiative of offset spinning whereby the spinning triangle geometry is redirected by offsetting the yarn path diagonally, thus reducing yarn hairiness. Li et al 25 reported an agent-aided system that uses liquid water humidification via a contact surface with the fibrous strand to improve ring spun yarn hairiness. Although this system can effectively improve the properties of cotton and viscose yarns, the important investigation on chemical fibers with considerably different characteristics has been neglected.…”

mentioning

confidence: 99%

“…Li et al. 25 reported an agent-aided system that uses liquid water humidification via a contact surface with the fibrous strand to improve ring spun yarn hairiness. Although this system can effectively improve the properties of cotton and viscose yarns, the important investigation on chemical fibers with considerably different characteristics has been neglected.…”

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confidence: 99%

Numerical analysis and experimental investigation of a multi-principle drafting system in ring spinning

Quan

Cheng

et al. 2022

Textile Research Journal

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The multi-principle drafting device is investigated to improve the comprehensive properties of ring spun yarns. In this study, the front gathering area on the multi-principle drafting device was mathematically modeled to analyze the effects of inlet width, outlet width and path length of the grooved collector on friction forces. The numerical analysis results demonstrate that the outlet width and path length play important roles in frictional forces, while the variation of the inlet widths has little effect on the friction forces. The experiment results also reveal that for 18.4 tex yarns, different outlet widths of the grooved collector have considerable influence on yarn tenacity and hairiness, whereas they show an insignificant effect on yarn evenness and imperfections. Moreover, the effects of process parameters (different roller gauges and break draft ratios) on the novel drafting device with an optimized grooved collector to spin 18.4 tex yarns were investigated by response surface methodology. The results indicate that although the break draft ratio and front roller gauge create significant effects on yarn unevenness, the back roller gauge has no apparent influence on it. In addition, response surface methodology predicted the minimum yarn unevenness of 10.71% under optimal conditions of 1.2 break draft ratio, 32.5 mm back roller gauge and 17.5 mm front roller gauge, which is very close to the experimental result of 10.57%, reaching an advanced level compared to Uster Statistics 2018 of 5%.

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Reducing yarn hairiness in ring spinning by an agent-aided system

Cited by 14 publications

References 12 publications

An adhesive-aided ring spinning for improving cotton yarn quality with the aid of sodium carboxymethyl cellulose solution

An adhesive-aided ring spinning for improving cotton yarn quality with the aid of sodium carboxymethyl cellulose solution

An Overview on the Spinning Triangle Based Modifications of Ring Frame to Reduce the Staple Yarn Hairiness

Numerical analysis and experimental investigation of a multi-principle drafting system in ring spinning

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