Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (01): 46-51.doi: 10.13475/j.fzxb.20180305506

• Textile Engineering • Previous Articles     Next Articles

Principle and properties of segment colored yarn spun by three-channel digital ring spinning

GU Yan1, XUE Yuan1(), YANG Ruihua1, GAO Weidong1, LIU Yuexing2, ZHANG Guoqing2   

  1. 1. Key Laboratory of Eco-Textiles(Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
    2. Yuyue Textile Company Limited, Binzhou, Shandong 256623, China
  • Received:2018-03-23 Revised:2018-09-29 Online:2019-01-15 Published:2019-01-18
  • Contact: XUE Yuan E-mail:fzxueyuan@qq.com

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Abstract:

In view of the fact that the color changes of the segment yarn at home and abroad is relatively single, and the production process cannot achieve accurate control of the color and length of the segment colo, a digital spinning technology was used for the digital control on the change of fiber composition ratio in the segmentation time, the diversification and length controllability of the color change on the segment length of the segment color yarn. The spinning mechanism of the three-channel digital ring spinning was proposed, taking the combination of the three rovings of magenta, yellow, and blue combined in a sequential manner as an example. A mathematical model of CMY three basis color with equal gradient changes was designed. Photoshop software was used to express the color matrix. The color of the segment color yarn was selected on the basis of the mixed color matrix, and the appearance model of tri-color, six-color, seven-color segment colored yarn were drawn. The results show that the segment colored yarn with optimum evenness and strength could be spun by adjusting spinning speed, twist factor, period length of segment color and color fiber blending ratio.

Key words: segment colored yarn, digital spinning, colour mixture simulation, spinning process

CLC Number: 

  • TS104.1

Fig.1

Digital spinning machine of three roller drafting system schematic diagram"

Fig.2

Color matrix of different color mixing methods."

Fig.3

Diagram of seven-color segment colored yarn"

Fig.4

Diagram of seven-color segment colored yarn"

Fig.5

Diagram of 1∶4 mixed color segment colored yarn"

Fig.6

Diagram of 1∶2 mixed color segment colored yarn"

Tab.1

Yarn performance at different blending ratios"

混纺比 条干
CV值/%		 细节(-50%)/
(个·km-1)		 粗节(+50%)/
(个·km-1)		 棉结(+200%)/
(粒·km-1)		 断裂强度/
(cN·tex-1)		 断裂强度
CV值/%
1∶1 22.18 43 195 147 23.79 22.32
1∶2 17.67 18 147 133 20.58 10.98
1∶3 20.98 35 177 133 19.95 11.91
1∶4 21.52 39 183 158 19.66 13.11

Tab.2

Yarn performance of different section time"

分段
时间/s		 条干
CV值/%		 细节(-50%)/
(个·km-1)		 粗节(+50%)/
(个·km-1)		 棉结(+200%)/
(粒·km-1)		 断裂强度/
(cN·tex-1)		 断裂强度
CV值/%
3 21.04 25 195 147 18.94 11.96
6 20.13 18 177 133 19.17 12.72
9 25.41 35 210 133 19.79 16.58
12 27.31 43 232 158 22.08 20.73

Tab.3

Yarn performance of different twist factor"

捻系数 条干
CV值/%		 细节(-50%)/
(个·km-1)		 粗节(+50%)/
(个·km-1)		 棉结(+200%)/
(粒·km-1)		 断裂强度/
(cN·tex-1)		 断裂强度
CV/值%
300 23.16 45 177 173 19.29 13.79
320 20.47 30 130 125 19.74 13.01
340 18.76 18 123 123 20.51 12.08
360 19.24 29 146 125 18.84 13.31

Tab.4

Yarn performance of different spindle speed"

锭速/
(r·min-1)		 条干
CV值/%		 细节(-50%)/
(个·km-1)		 粗节(+50%)/
(个·km-1)		 棉结(+200%)/
(粒·cm-1)		 断裂强度/
(cN·tex-1)		 断裂强度
CV值/%
6 000 21.95 35 225 190 18.49 15.45
8 000 18.53 22 145 125 18.4 9.65
10 000 20.98 37 167 165 20.51 12.08
12 000 18.80 25 160 133 20.92 12.31
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