Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (09): 70-74.doi: 10.13475/j.fzxb.20180706006

• Textile Engineering • Previous Articles     Next Articles

Study on braiding of knotless netting

YUAN Tianxing1,2, SUN Zhihong1(), LÜ Hongzhan1, LI Xueqing2, GU Shenghui1   

  1. 1. College of Mechanical Engineering, Donghua University, Shanghai 201620, China
    2. China Textile Machinery Association, Beijing 100028, China
  • Received:2018-07-24 Revised:2019-06-04 Online:2019-09-15 Published:2019-09-23
  • Contact: SUN Zhihong E-mail:zhsun@dhu.edu.cn

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Abstract:

In order to solve the problem of the poor quality or losing of fiber strength in the fabric due to the existing knotless netting production technology, the braiding technology of a new type knotless netting was studied. The knotless netting forming principle combining with its structure characteristic and the braiding principle was analyzed. With a kind of four-thread braided leg as the research object, the tracks of braiding net legs and net knots were designed. According to the form of the tracks, the rule of non-collision initial arrangement of spindles were studied. Finally, on the basis of this research, the rule of arrangement was extended with braiding multi-thread knotless netting by four multi-slot horn gears. The rule of non-collision initial arrangement of spindles was summarized and a limited number of feasible arrangement schemes was obtained. Then a knotless netting real object was braided adopting a feasible arrangement to verify the rationality of the braiding process. The results show that the moving path and the arrangement of spindle, and the specification of horn gears should be taken into account during the process of braiding knotless netting.

Key words: knotless netting, braiding process, four-thread braided leg, moving path, arrangement of carrier

CLC Number: 

  • TS103.7

Fig.1

General principle of braiding machine"

Fig.2

General principle of knotless netting forming"

Fig.3

Four threads braided leg"

Fig.4

Tracks and carriers on netting legs braiding plate"

Fig.5

Tracks of carriers for braiding knots"

Fig.6

Numbering on braiding track path. (a)Numbering on track of netting leg Q;(b)Numbering on track of netting leg W"

Fig.7

“1000” arrangement of carriers"

Fig.8

Transformation of net knot braiding track path. (a)Track transformation of netting leg Q;(b)Track transformation of netting leg W"

Tab.1

Arrangements of carriers for net knot braiding"

网脚Q编号 网脚W编号 纱锭分布
Q1 Q2 W1 W2 Ⅰ Ⅱ Ⅲ Ⅳ
0 0' 0 0' 1 0 0 0
1 1' 1 1' 0 1 0 0
2 2' 2 2' 0 0 1 0
3 3' 3 3' 0 0 0 1
4 4' 4 4' 1 0 0 0
5 5' 5 5' 0 1 0 0
6 6' 6 6' 0 0 1 0
7 7' 7 7' 0 0 0 1

Fig.9

Arrangements of carriers for knot braiding"

Fig.10

Braided knotless net. (a)Knotless netting sample;(b)Knotless netting unit"

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