Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (12): 62-68.doi: 10.13475/j.fzxb.20220606907

• Textile Engineering • Previous Articles     Next Articles

Design and 3-D simulation of weft knitted wrap fabric

CHEN Yushan, JIANG Gaoming(), LI Bingxian   

  1. Engineering Research Center for Knitting Technology, Ministry of Education, Jiangnan University, Wuxi, Jiangsu 214122, China
  • Received:2022-06-28 Revised:2022-09-01 Online:2022-12-15 Published:2023-01-06
  • Contact: JIANG Gaoming E-mail:jgm@jiangnan.edu.cn

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Abstract:

In order to facilitate the design and three-dimensional simulation of weft knitted wrap fabric, the pattern model and the structure model were constructed, and the knitting action matrix model of the fabric was obtained through the transformation relationship between them, and the fabric structure were digitally stored. Basis on in-depth study in the structural characteristics of this type of fabric, the basic model of the loop structure in the ideal fabric state was established, and the positions of various value points in the loop were determined. Using WebGL technology for programming on the Visual Studio platform, the simulation of all types of weft knitted wrap fabrics was performed. This method led to the systematic design simulation of such fabrics effectively despite the design complexity. The results show that this method can reduce the design difficulty and achieve better appearance simulation effect.It overcomes the shortcomings arising from the complex design method, long design cycle and low production efficiency of knitted wrap fabric, and promotes the market application of knitted wrap fabric.

Key words: weft knitting, knitted wrap fabric, loop model, 3-D simulation, WebGL technology

CLC Number: 

  • TS186.2

Fig.1

Real picture of plaid knitted wrap fabric"

Fig.2

Pattern grid (a) and matrix (b) of wrapping pattern"

Fig.3

Structure pattern (a) and regional structure pattern matrix (b) of knitted wrap fabric"

Fig.4

Warp-stitch weft knitted fabric. (a) Structure pattern; (b) Structure pattern matrix"

Fig.5

Warp-inlay weft knitted fabric. (a) Structure pattern; (b) Structure pattern matrix"

Fig.6

Warp-plated weft knitted fabric. (a) Structure pattern; (b) Structure pattern matrix"

Fig.7

Development process between design pattern and structure pattern. (a) Diagram of expansion process; (b) Expanded mathematical methods"

Fig.8

Model of middle wrapping pattern loop. (a) Actual structure; (b) Ideal model; (c) Side view"

Tab.1

coordinates control point of middle loop model"

控制点 X坐标 Y坐标 Z坐标
P1 Pox-w1 Poy-h1 Poz-1.0r
P2 Pox-w2 Poy Poz+2.0r
P3 Pox-w3 Poy+h2+fnH Poz+1.8r
P4 Pox-w4 Poy+h3+fnH Poz+1.2r
P5 Pox+w4 Poy+h3+fnH Poz+1.2r
P6 Pox+w3 Poy+h2+fnH Poz+1.8r
P7 Pox+w2 Poy Poz+2.0r
P8 Pox+w1 Poy-h1 Poz-1.0r

Fig.9

Model of wrapping pattern loop. (a) Front view of actual structure of left and right wrapping pattern loop; (b) Reverse view of actual structure of left and right wrapping pattern loop; (c) Left-wound wrap loop; (d) Individual loop; (e) Right-wound wrap loop"

Fig.10

Model of wrapping pattern tuck loop. (a) Ideal model; (b) Side view"

Fig.11

Simulation of plaid knitted wrap fabric"

Fig.12

Simulation of wrapping pattern. (a) Houndstooth warp-stitch weft knitted fabric; (b) Warp-plated weft knitted fabric; (c) Warp-inlay weft knitted fabric"

Fig.13

Human body wearing display"

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