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Process for producing multi-axial warp knitted fabric

A production process and warp-knitted fabric technology, applied in the field of multi-axial warp-knitted fabric production technology, can solve the problems of easy deformation and loose structure of multi-axial warp-knitted fabrics, and achieve uniform size, not easy to delaminate, and easy to size Effect

Active Publication Date: 2012-07-25
CHANGZHOU HONGFA ZONGHENG ADVANCED MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a multi-axial warp-knitted fabric for the problem that the structure of the multi-axial warp-knitted fabric made by the prior art multi-axial warp-knitted fabric production process described in the background art is loose and easily deformed. Production Process

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The multiaxial warp knitted fabric of this embodiment has a straight weft and a direct fiber layer. The straight weft fabric is formed by weft yarn and braided thread through warp knitting machine. The weft yarn is made of glass fiber bundles. The braided thread is polyester full-drawn yarn. The spacing between them is 1 centimeter, and the braiding thread is four per inch, and the braiding thread is woven along the direction perpendicular to the weft yarn, and forms a straight weft cloth with a certain distance between every 6 weft yarns after weaving. By adjusting the front and rear cloth racks, an angle of ±45° is formed between the straight weft cloth and the worktable of the warp knitting machine, so that the straight weft cloth is laid obliquely along ±45° on the warp knitting machine; direct fiber The layer is fixed on the upper surface of the straight weft fabric through braided threads; the direct fiber layer includes the first fiber yarn and the second fiber y...

Embodiment 2

[0024] The multiaxial warp knitted fabric of this embodiment has a straight weft and a direct fiber layer. The straight weft fabric is formed by weft yarn and braided thread through warp knitting machine. The weft yarn is made of glass fiber bundles. The braided thread is polyester full-drawn yarn. The spacing between them is 1 centimeter, and the braiding thread is four per inch, and the braiding thread is woven along the direction perpendicular to the weft yarn, and forms a straight weft cloth with a certain distance between every 6 weft yarns after weaving. By adjusting the front and rear cloth racks, an angle of ±30° is formed between the straight weft cloth and the working table, so that the straight weft cloth is laid diagonally along ±30° on the warp knitting machine; the direct fiber layer is woven through The thread is fixed on the upper surface of the straight weft fabric; the direct fiber layer includes the first fiber yarn and the second fiber yarn, the first fiber...

Embodiment 3

[0026] The multiaxial warp knitted fabric of this embodiment has a straight weft and a direct fiber layer. The straight weft fabric is formed by weft yarn and braided thread through warp knitting machine. The weft yarn is made of carbon fiber tow, the braided thread is polyester full-drawn silk, the weft yarn is 6 empty and 10, and the distance between adjacent weft yarns is 1 centimeters, the number of braided threads is four per inch, and the braided threads are woven along the direction perpendicular to the weft yarn, and are woven to form a straight weft cloth with a certain distance between every 6 weft yarns. By adjusting the front and rear fabric racks, the straight weft fabric and the warp knitting machine form an angle of ±45°, so that the straight weft fabric is laid diagonally along the ±45° on the warp knitting machine; the direct fiber layer is fixed by the braided wire On the upper surface of the straight weft cloth; the direct fiber layer includes the first fibe...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a process for producing a multi-axial warp knitted fabric. Through the steps of forming straight weft cloth, adjusting the direction, spreading a direct fiber layer and the like, the produced warp knitted fabric has stable structure, is not easy to deform and has better quality, and the shape and the size of meshes can be controlled so as to meet the requirements of customers.

Description

technical field [0001] The invention relates to a warp knitting production process, in particular to a multiaxial warp knitting production process. Background technique [0002] In the prior art, the production of multi-axial fabrics with mesh properties is usually directly formed in one step by multi-axial equipment, and woven into multi-axial warp-knitted fabrics with meshes, but the fabrics produced by this process are loose in structure, Easy to deform, especially the size of the mesh is difficult to control, the mesh is too small and the distribution is very uneven. In the production of downstream products, it is difficult for the glue of the upper and lower layers of the fabric to form an intersection point, resulting in poor bonding force between the upper and lower layers of glue, and delamination is easy to occur, which directly affects the quality of the final product. Contents of the invention [0003] The object of the present invention is to provide a multi-a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04B21/12
Inventor 谈昆伦严春霞何亚勤季小强刘黎明程丽美曹文凯
Owner CHANGZHOU HONGFA ZONGHENG ADVANCED MATERIAL TECH
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