Impact of Carding Parameters and Draw Frame Doubling on the Properties of Ring Spun Yarn

The impact of card cylinder speed, card production rate and draw frame doubling on cotton yarn quality parameters was investigated by using the Box-Behnken experimental design. It was found that yarn tenacity, elongation and hairiness increase by increasing the number of draw frame doubling up to a certain level and then decrease by further increase in doubling. Yarn unevenness increased by increasing card production rate and total yarn imperfections increased by decreasing card cylinder speed and increasing card production rate.

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Effect of can-storage parameters of finisher drawframe on combed ring spun yarn quality

Research Journal of Textile and Apparel ◽

10.1108/rjta-06-2018-0040 ◽

2019 ◽

Vol 23 (2) ◽

pp. 153-167

Author(s):

Sukhvir Singh ◽

Niranjan Bhowmick ◽

Anand Vaz

Keyword(s):

Storage Time ◽

Statistical Significance ◽

Research Work ◽

Quality Parameters ◽

Vital Role ◽

Spring Stiffness ◽

Content Type ◽

Yarn Quality ◽

Spun Yarn ◽

Ring Spun Yarn

Purpose The present work is a systematic study to understand the cause of poor quality of sliver, roving and yarn due to defective sliver storage can-spring at finisher drawframe machine in spinning preparatory. This study aims to investigate the influence of can-spring stiffness factor, sliver deposition rate and sliver coils position on yarn unevenness and thin places considering two cases of sliver storage time. Design/methodology/approach Combed ring spun yarn samples were produced by varying finisher drawframe variables, which were can-spring stiffness, delivery speed and sliver coils position in storage can. For research design, three-factor three levels of Box-Behnken experimental design was adopted. To investigate the effect of sliver storage time on combed yarn unevenness and thin places, yarn samples were produced at 8 h sliver storage time and without allowing any storage time. Sliver storage time is the time for which combed drawn sliver kept idle in storage cans before feeding to speedframe machine. The 8 h sliver storage time was considered for present study after consulting industrial experts. Adequate numbers of the samples were tested for yarn quality parameters such as yarn unevenness and thin places 50 per cent/km on standard instruments. Finally, the test results were analyzed using statistical software to check the statistical significance of all the independent variables on observed response through analysis of variance. Findings The experimental results showed that the yarn samples produced from older can-springs and bottom position sliver coils stored at 8 h storage time were showing higher yarn unevenness and thin places compared to other yarn samples. The results also showed that the effect of delivery speed is not significant on yarn unevenness for samples produced without allowing any sliver storage time. Research limitations/implications The present study is an outcome of a practical problem experienced at the finisher drawframe machine in a spinning industry. For this purpose, only scrutinized finisher drawframe variables were considered for the evaluation. There are many equally important other factors, which were not considered due to research work feasibility. Social implications This paper investigates the effect of some imperative factors at the finisher drawframe stage on combed yarn quality. The present study will boost existing knowledge of the spinner’s community regarding the effect of can-spring stiffness, sliver coils position and storage time on resultant combed yarn quality parameters. Originality/value The work is original and only a few references are available. The study reveals that storage can-spring stiffness should be chosen carefully for better sliver handling. It is observed that finisher drawframe can-spring stiffness, sliver storage time and sliver coils position play a vital role in deciding quality characteristics of stored sliver and ultimately affect yarn quality.

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Taguchi approach for analyzing the impact of varying degrees of cotton stickiness on ring-spun yarn quality

Journal of the Textile Institute ◽

10.1080/00405000.2016.1168610 ◽

2016 ◽

Vol 108 (3) ◽

pp. 408-411 ◽

Cited By ~ 2

Author(s):

Hafiz A. Eltahir ◽

H. Abderahman ◽

Salah Abdelateef ◽

Salah Aldeen M. Elarabi

Keyword(s):

Taguchi Approach ◽

Yarn Quality ◽

Spun Yarn ◽

Ring Spun Yarn ◽

The Impact

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Optimization of Break Draft, Pin Spacer and Rubber Cots Hardness to Enhance the Quality of Ring Spun Yarn Using Factorial Design

Journal of Engineered Fibers and Fabrics ◽

10.1177/155892501801300209 ◽

2018 ◽

Vol 13 (2) ◽

pp. 155892501801300 ◽

Cited By ~ 1

Author(s):

Furqan Khurshid ◽

Sarmad Aslam ◽

Usman Ali ◽

Amir Abbas ◽

Talha Ali Hamdani ◽

...

Keyword(s):

Quality Parameters ◽

Ring Spinning ◽

Technological Parameters ◽

Fiber Assembly ◽

Yarn Quality ◽

Spun Yarn ◽

Ring Spun Yarn ◽

Spinning Triangle ◽

The Individual

The aim of the present work is to optimize the drafting parameters for ring spinning by using full factorial (23) experimental design. Three drafting parameters of ring spinning each at two levels were chosen for this study. These technological parameters were break draft, size of pin spacer and hardness of rubber cots. It was found from statistical analysis that pin spacer size has a significant effect on yarn unevenness (U %), imperfection index (IPI), hairiness (H) and yarn strength (CLSP) compared to the other two chosen factors. These yarn quality parameters were improved by increasing the spacer size. The increase in spacer size reduces the cohesive forces among the fibers during drafting. The pin between the cradle and the top front roller transfer the individual fibers from the drafted fiber assembly to the spinning triangle without any stretching or accumulation. This yields a more integrated structure and the quality of yarn is improved.

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Quality Evaluation of Ethiopian 100% Cotton Carded Ring Spun Yarn with Respect to USTER Standards

Journal of Engineering ◽

10.1155/2021/4286957 ◽

2021 ◽

Vol 2021 ◽

pp. 1-9

Author(s):

Biruk Fentahun Adamu ◽

Desalegn Atalie ◽

Erkihun Zelalem Liyew

Keyword(s):

Tensile Properties ◽

Research Work ◽

Export Market ◽

Yarn Strength ◽

Yarn Quality ◽

Spun Yarn ◽

Spun Yarns ◽

Ring Spun Yarn ◽

Yarn Tenacity ◽

Fabric Production

Yarn quality influences both fabric production processes efficiency and export market. One method used to gauge competitiveness of an industry is to study its product quality. The aim of this research work is to evaluate the quality of Ethiopian textile spinning mills’ 100% cotton carded ring spun yarns in terms of its evenness (coefficient of mass variation, CVm), imperfections (thick and thin places, neps), and tensile properties with USTER Statistics 2018. Five spinning mills (B3, A0, A2, A4, and K3) of 15N, 20Ne, 25Ne, 30Ne, 35Ne, and 40Ne nominal yarn counts have been selected for the study. The yarn evenness and imperfections were measured using USTER tester 5 and tensile using a STATIMAT tester. The USTER statistical results showed 20.3Ne (mill B3), 32Ne (mill A4), and 36.2Ne (mill A2) had better overall quality, respectively. It was observed that most selected spinning mills had low evenness, imperfections, yarn strength, and good yarn elongation. Tensile properties of A2 (32.85Ne and 36.2Ne) had fallen under 5% USTER statistics percentile which indicates excellent yarn strength. Generally, from studied mills, it was seen that 61.5% of cotton yarn CVm and thin places falls at above 95% and 15% of yarn tenacity falls at ≤5% of Uster statistical percentile.

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Ring spun yarn quality prediction using hybrid neural networks

Journal of the Textile Institute ◽

10.1080/00405000.2021.2022826 ◽

2021 ◽

pp. 1-9

Author(s):

Hanen Ghanmi ◽

Adel Ghith ◽

Tarek Benameur

Keyword(s):

Neural Networks ◽

Quality Prediction ◽

Yarn Quality ◽

Spun Yarn ◽

Ring Spun Yarn ◽

Hybrid Neural Networks

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

Textile Research Journal ◽

10.1177/0040517519835769 ◽

2019 ◽

Vol 89 (21-22) ◽

pp. 4438-4451 ◽

Cited By ~ 1

Author(s):

Peiying Li ◽

Mingrui Guo ◽

Fengxin Sun ◽

Weidong Gao

Keyword(s):

Textile Industry ◽

Speed Ratio ◽

Rotating Speed ◽

Comprehensive Properties ◽

Spun Yarn ◽

Spun Yarns ◽

Ring Spun Yarn ◽

Yarn Hairiness ◽

Yarn Tenacity

An agent-aided system (AAS) for improving comprehensive properties of ring spun yarns with the aid of viscosity and surface tension of the agent is reported in this paper. The mechanism of the humidification and friction process of the AAS was investigated, and related experiments were also carried out to verify the mechanism of analysis. The results confirm that the AAS can attach the fiber ends protruding out of a yarn body on the yarn surface and assist in twisting the fiber ends back into the interior of the yarn body, resulting in a significant reduction of the modified ring spun yarn hairiness. Moreover, the yarn hairiness is prominently reduced after the winding process. The experimental results also show that a speed ratio of 1.3 between the rotating speed of the cylinder and the output speed of the yarn leads to the greatest extent of harmful hairiness reduction (34%), which also corresponds to optimal modified yarn tenacity. Meanwhile, the modified ring spun yarns show a tight and smooth appearance, and the yarn evenness has no deterioration. In addition, the AAS is applicable to both cotton and viscose yarns with different yarn counts. Therefore, the AAS can potentially be used to reduce yarn hairiness for ring spun yarns and enhance the quality of ring spun yarns in the textile industry.

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Comparison of Yarn Tenacity Data Obtained using the Uster Tensorapid, Dynamat II, and Scott Skein Testers

Textile Research Journal ◽

10.1177/004051759206200309 ◽

1992 ◽

Vol 62 (3) ◽

pp. 175-184 ◽

Cited By ~ 5

Author(s):

Lloyd B. De Luca ◽

Devron P. Thibodeaux

Keyword(s):

Tensile Test ◽

Fiber Length ◽

High Speed ◽

Test Results ◽

Slow Speed ◽

Spun Yarn ◽

Ring Spun Yarn ◽

Tensile Data ◽

Yarn Tenacity ◽

One Machine

High speed yarn tensile testing machines increase production of yarn tensile data, but no comparisons with data from older, slow speed testing machines have been successful in determining whether these machines produce the same results. This work compares yarn tenacity data from three different machines. A family of five ring spun yarn sizes, each with five different twist factors, covers the entire range of spinning parameters for staple fibers. A new method used to analyze yarn data to determine the number of broken fibers and the effective fiber length acting in each yarn converts yarn tenacity into tenacity per broken fiber per effective fiber length. Converted yarn data from each machine show the effects of the time-to-break on tenacity and how the single strand yarn tensile test differs from one machine to another and with skein tensile test results.

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