Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (05): 30-35.doi: 10.13475/j.fzxb.20180600206

• Textile Engineering • Previous Articles     Next Articles

Spinning mechanism of two-color transformation segment color yarns and influencing factors on length and breaking tenacity of blend fragment

GUO Mingrui, LI Peiying, SUN Fengxin, GAO Weidong()   

  1. Key Laboratory of Eco-Textiles (Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
  • Received:2018-06-01 Revised:2019-02-16 Online:2019-05-15 Published:2019-05-21
  • Contact: GAO Weidong E-mail:gaowd3@163.com

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Abstract:

In order to spin the two-color transformation segment color yarn with constant linear density, and find out the influencing factors of the length and strength of the blend fragment, the yarns were spun by a double-channel ring spining machine with an improved compact device. Meanwhile, the length was measured by artificial recognition based on the image acquisition device. The forming mechanism of the blend fragment was analyzed. The intluence of the break draft and the roving feeding advance on the length and strength of the blend fragment were investigated. The results show that the mean length of the blend fragments increases with the increase of roving feeding advance, and decreases with the increase of break draft; and the yarn breaking tenacity also increases with the increase of roving feeding advance. When the break draft is 1.7, the yarn has the max breaking tenacity.

Key words: two-color transformation segment color yarn, blend fragment, draft configuration, roving feeding advance

CLC Number: 

  • TS104.1

Fig.1

Diagram of two color transformation segment yarn"

Fig.2

Image of double-channel ring spinning machine"

Fig.3

Diagram of double-channel ring spinning"

Fig.4

Diagram of ideal head and end of roving in break draft zone"

Fig.5

Diagram of actual head and end of roving in break draft zone"

Fig.6

Weft knitted fabric of segment color yarn"

Fig.7

Image acquisition unit"

Fig.8

Image of typical yarn fragments. (a) White segment;(b) Blend segment; (c) Black segment"

Fig.9

Length of blends fragment"

Fig.10

Tensile breaking tenacity of blends fragment"

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