Quality and structural properties of gimp fancy yarns using the Design of Experiments

Alshukur, Malek; Fotheringham, Alexander

doi:10.1080/00405000.2014.927126

Cited by 17 publications

(17 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Bending stiffness of input yarns was also thought to be important in defining the shape of the effect profiles of fancy yarns that have multiple-thread structure [8]. It was reported that a favourable fancy gimp yarn structure was achieved by choosing a material type for the effect thread that is sufficiently stiff.…”

Section: Introductionmentioning

confidence: 99%

“…It was reported that a favourable fancy gimp yarn structure was achieved by choosing a material type for the effect thread that is sufficiently stiff. As it was found, using a relatively stiff bamboo ply yarn instead of a similar, but less stiff, cotton ply yarn created smaller non-gimp profiles, decreased their number and forced them to have a lower circularity ratio [8]. However, the authors did not use a method to measure the bending stiffness of the input yarns.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

The influence of component stiffness on the structure of multi-thread fancy bouclé yarn

Alshukur

Fotheringham

Gong

2018

Journal of Industrial Textiles

Self Cite

View full text Add to dashboard Cite

This study examines the relationships between the structure of fancy bouclé yarns and the bending stiffness of the input threads that are used to make those fancy yarns. Four fancy bouclé yarns and an extra two confirmation bouclé yarns were made to test the impact of the bending stiffness of the effect input threads. Six fancy yarns were made to test the impact of bending stiffness of the core thread on the fancy yarn structure. The structure of the fancy yarn was defined by using the Number of Fancy Profiles, the Size of Fancy Profile, the Circularity Ratio of Fancy Profile and the Shape Factor of Fancy yarn. It was found that increasing the value of the stiffness of the effect thread increased the Size of Fancy Profile but decreased the Number of Fancy Profiles and the Shape Factor of Fancy Yarn. Those relationships were represented by regression models that were significant at α=0.10. The deviation between the theoretical values and the real values was -14.39 % and 2.07 %. Further, up to a value of 8.636 g mm 2 , the bending stiffness of the core thread appeared not to have an effect on the structure of the fancy yarns. This study is important as it is the first that accounts statistically for the impact of bending stiffness of the input threads on the structure of the resultant fancy yarns. Therefore, it aids fancy yarn manufacturers when designing fancy yarns with predicted structures.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The influence of component stiffness on the structure of multi-thread fancy bouclé yarn

Alshukur

Fotheringham

Gong

2018

Journal of Industrial Textiles

Self Cite

View full text Add to dashboard Cite

show abstract

“…Researches relating to fancy yarns have mainly focused on three aspects: (1) the manufacturing techniques and properties of these yarns 1–3 and factors affecting their properties; 4,5 (2) the classification and application of fancy yarns; 6,7 (3) modeling studies based on yarn structures and properties. 8,9 Ring spinning techniques have attracted both researchers’ and manufacturers’ attention in developing various fancy yarn products from the relatively good yarn quality of the ring spinning process.…”

mentioning

confidence: 99%

Theoretical and experimental study of color-alternation fancy yarns produced by a double-channel compact spinning machine

Guo

Sun

Gao

2018

Textile Research Journal

View full text Add to dashboard Cite

The aim of this work is to explore a new method for producing color-alternation fancy yarn on a modified compact spinning machine. Color-alternation fancy yarn is a new kind of fancy yarn with varying color effects along the yarn axis. The modified compact spinning machine produces double-channel compact spinning, which has two coaxial back rollers in a drafting unit. In this spinning process, two different colored rovings are alternately fed into each back roller to produce alternant color effects along the yarn axis. The mean length of the connecting piece between of two different solid color pieces of this yarn is the key research subject. Mathematical equations have been derived to describe the relationship between the mean length of the connecting pieces, the mean length of the wedged broken end of roving, the mean overfeeding length of the roving and the total draft ratio. The effect of the total draft ratio and overfeeding length on yarn properties, such as tenacity, elongation and yarn evenness, was studied. The results indicate that a relatively small total draft ratio is beneficial to shorten the mean length of the connecting pieces, enhance the tensile property and improve yarn evenness.

show abstract

“…Other important aspects of research into fancy yarn are their structure and geometry, and factors affecting their properties Fotheringham, 2014a, Alshukur andFotheringham, 2014b).…”

mentioning

confidence: 99%

Structural modelling of multi-thread fancy yarn

Alshukur¹,

Gong

Stylios³

2018

IJCST

Self Cite

View full text Add to dashboard Cite

Purpose: The structure of doubled fancy yarns made by combining together several threads has been modelled mathematically in this article.Design/methodology/approach: It was assumed that such a structure may have two distinctive parts-sinusoidal and helical (i.e. sigmoidal). This model is based on calculating the length of the effect thread in relation to the core thread. The case of having several variants of such a structure was discussed to account for several types of doubled fancy yarns. The number of wraps of the binder, the overfed ratio, and heights of the fancy profiles in the different parts were the fundamental parameters of this model.The effects of changes in the number of wraps, the overfeed ratio or both simultaneously, on this model, were also considered. The Shape Factor of Fancy Yarn was also modelled depending on the basic model of the structure.Findings: The model was tested and the correlation coefficient between the theoretical value and the real value of length of the effect thread was 0.90.Originality/value: This model is useful for predicting the length of the effect component based on the type, dimension and number of the fancy profiles of doubled fancy yarn, and for understanding the changes of the multiple-thread structure of fancy yarn when the overfeed ratio and /or the number of wraps were to change.

show abstract

Quality and structural properties of gimp fancy yarns using the Design of Experiments

Cited by 17 publications

References 11 publications

The influence of component stiffness on the structure of multi-thread fancy bouclé yarn

The influence of component stiffness on the structure of multi-thread fancy bouclé yarn

Theoretical and experimental study of color-alternation fancy yarns produced by a double-channel compact spinning machine

Structural modelling of multi-thread fancy yarn

Contact Info

Product

Resources

About