Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (08): 12-20.doi: 10.13475/j.fzxb.20220409609

• Invited Column： Reserch on Spinning Technology • Previous Articles     Next Articles

Research progress of dual-feed-opening rotor spinning technology

WANG Jun1,2(), SHI Qianqian1, LI Ling1, ZHANG Yuze1   

  1. 1. College of Textiles, Donghua University, Shanghai 201620, China
    2. Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai 201620, China
  • Received:2022-04-30 Revised:2022-06-17 Online:2022-08-15 Published:2022-08-24

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Abstract:

Rotor spinning technology has been widely used for its advantages of high speed and high yield, but traditional rotor spinning is not suitable for making blended yarns from fibers with different fiber properties due to the configuration of single opening roller. In recent years, the dual-feed-opening (DFO) rotor spinning technology has provided a possibility for the development of such blended yarns. To this end, the development process of DFO rotor spinning technology was reviewed and summarized in this paper. The similarities and differences of the airflow field distribution in the spinning unit between DFO and the traditional rotor spinning were compared. The mixing and distribution of two independently fed fibers for making yarns was discussed. Reasons for the quality improvement of DFO rotor spun yarn and the characteristics of DFO yarn structure were pointed out. Furthermore, the progress of DFO rotor spinning technology in yarn product design and fabric development was also reviewed, and the future development prospects of this technology were prospected. It is pointed out that perfecting the DFO spinning unit and developing fancy yarns with changes in color and structure are the directions of its research and development.

Key words: spinning, rotor spinning, yarn structure, airflow filed distribution, spinning unit, fancy yarn

CLC Number: 

  • TS111.8

Fig.1

Comparison chart of conventional single opening rotor spinning system (a) and DFO rotor spinning system (b)"

Fig.2

Chart of geometric model(a) and meshed computational model(b) of conventional single opening and DFO rotor spinning systems"

Fig.3

Airflow velocity profiles in conventional single opening and DFO rotor spinning system"

Fig.4

Air pressure distributions in conventional single opening and DFO rotor spinning system. (a) Air pressure three\|dimensional distributed; (b) Air pressure distribution on plane along x\|direction"

Fig.5

Longitudinal morphology of two rotor spun yarns spun with two rotor spinning systems. (a) Conventional single opening rotor spun yarn; ( b) DFO rotor spun yarn"

Fig.6

Cross-sectional morphology of two rotor spun yarns spun with two rotor spinning systems. (a) Conventional single opening rotor spun yarn; (b) DFO rotor spun yarn"

Tab.1

Comparison of yarn properties of two rotor spun yarns with different blending ratios"

涤纶与
粘胶
混纺比		 纱线
种类		 断裂强度/
(cN·tex–1)		 断裂
伸长
率/％		 毛羽数
(≥3 mm)/
(根·(10 m)–1)		 条干
不匀
率/％
20/80 双分梳 15.4 10.0 143 12.75
单分梳 13.4 9.2 198 14.63
40/60 双分梳 16.1 10.1 145 12.43
单分梳 13.8 9.7 223 13.96
50/50 双分梳 16.5 10.8 109 12.17
单分梳 14.1 10.4 178 14.01
60/40 双分梳 15.9 9.7 121 13.01
单分梳 13.8 9.8 210 14.74
80/20 双分梳 15.5 9.7 132 12.97
单分梳 13.2 8.9 197 14.32

Tab.1

Comparison of yarn properties of two rotor spun yarns with different linear density"

线密
度/tex		 纱线
种类		 断裂强度/
(cN·tex–1)		 断裂
伸长
率/％		 毛羽数
(≥3 mm)/
(根·(10 m)–1)		 条干
不匀
率/％
30 双分梳 8.7 4.9 137 14.78
单分梳 7.3 4.7 162 16.54
35 双分梳 9.0 5.1 125 14.23
单分梳 7.4 5.0 183 15.82
40 双分梳 9.0 5.1 141 14.02
单分梳 7.8 5.5 178 15.63
45 双分梳 10.2 5.6 114 14.32
单分梳 8.7 5.5 153 16.74

Fig.7

Chart of fiber band(a) and division(b)"

Fig.8

Cross-sectional view SEM image of fiber band"

Fig.9

Proportion of polyester in each layer of fiber band. (a) Conventional single opening rotor spun yarn; (b) DFO rotor spun yarn"

Fig.10

Appearance images of blended yarn with different colored fibers. (a)Blue and white blended yarn; (b) Red, orange and white blended yarn"

Fig.11

Denim fabric made of DFO denim yarn"

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