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Ceramic fiber bundle knotting method

A technology of ceramic fibers and fiber bundles, which is used in jointing devices, textiles and papermaking, spinning machines, etc.

Active Publication Date: 2019-08-30
宜兴市新立织造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the three-dimensional weaving process, the tension yarn on the yarn carrier connects and drives the ceramic fiber bundles to weave. Due to the shortcomings of ceramic fibers such as low elongation, high brittleness, and resistance to bending, it is easy to fluff and damage during the weaving process, especially At the connection with the tension thread, the tension yarn is easy to slip off, and the fiber is broken, which increases the difficulty of weaving and reduces the weaving efficiency
The invention provides a simple and easy method for joining ceramic fiber bundles, which solves the problems of poor connection fastness and easy breakage of ceramic fiber bundles at present, can improve the manufacturing efficiency of three-dimensional weaving, and ensure the product performance of three-dimensional weaving preforms

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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  • Ceramic fiber bundle knotting method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for bonding ceramic fiber bundles, comprising the steps of:

[0028] Step 1: Take the head end 1 of the boron carbide ceramic fiber bundle and the 10cm connecting yarn 2;

[0029] Step 2: dividing the boron carbide ceramic fiber bundle into A strand 3 and B strand 4 along the length direction;

[0030] Step 3: thread one end of the aramid connecting yarn into the A strand 3 and the B strand 4 of the boron carbide ceramic fiber bundle, and wind 3 turns along the direction of the head end 1 of the boron carbide ceramic fiber bundle; The yarn at one end is wound 2 times in the opposite direction of the head end 1 of the boron carbide ceramic fiber bundle, leaving 2 cm in the middle to form a ring structure;

[0031] Step 4: Take a 2cm tape, and wrap the fiber bundles wound by the aramid connecting yarn in parallel and tightly in a clockwise direction.

[0032] Step 5: Thread the head end 5 of the spandex elastic tension yarn into the ring structure of the aramid...

Embodiment 2

[0035] A method for bonding ceramic fiber bundles, comprising the steps of:

[0036] Step 1: Take the head end 1 of the silicon carbide ceramic fiber bundle and the 12.5cm connecting yarn 2;

[0037] Step 2: divide the silicon carbide ceramic fiber bundle into A strand 3 and B strand 4 along the length direction;

[0038] Step 3: Thread one end of the nylon 6 connecting yarn into the A-strand 3 and B-strand 4 of the silicon carbide ceramic fiber bundle, and wind it 5 times along the direction of the head end 1 of the silicon carbide ceramic fiber bundle; the nylon 6 connecting yarn is another The yarn at one end is wound 2 times in the opposite direction of the head end 1 of the silicon carbide ceramic fiber bundle, leaving 2.5cm in the middle to form a ring structure;

[0039] Step 4: Take a 2.5cm tape, and wrap the fiber bundles wound in parallel with the nylon 6 connecting yarns in a clockwise direction and tightly wrap them.

[0040] Step 5: Thread the head end 5 of the ...

Embodiment 3

[0043] A method for bonding ceramic fiber bundles, comprising the steps of:

[0044] Step 1: Take the head end 1 of the alumina ceramic fiber bundle and the 15cm connecting yarn 2;

[0045] Step 2: dividing the alumina ceramic fiber bundle into A strand 3 and B strand 4 along the length direction;

[0046] Step 3: thread one end of the nylon 66 connecting yarn into the A-strand 3 and B-strand 4 of the alumina ceramic fiber bundle, and wind 4 turns along the direction of the head end 1 of the alumina ceramic fiber bundle; the nylon 66 connecting yarn is another The yarn at one end is wound around the head end 1 of the alumina ceramic fiber bundle in the opposite direction, leaving 3 cm in the middle to form a ring structure;

[0047] Step 4: Take a 2.5cm tape, and wrap the fiber bundles wound in parallel with the nylon 66 connecting yarns in a clockwise direction and tightly wrap them.

[0048] Step 5: Thread the head end 5 of the spandex elastic tension yarn into the ring st...

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 ceramic fiber bundle knotting method. According to the knotting method, ceramic fiber bundles and a tension wire are entangled and bound by a connecting yarn, and a firm connecting effect is achieved. The method has the advantages that by increasing the cohesion force among fibers, slippage can be effectively avoided, the weaving efficiency and the product quality are ensured, and the method is suitable for industrial actual production.

Description

technical field [0001] The invention relates to a method for binding ceramic fiber bundles, which is especially suitable for bonding ceramic fiber bundles, connecting yarns and tension yarns. Background technique [0002] Ceramic fiber is an important variety of high-performance reinforcing fiber for advanced composite materials. It has the advantages of light weight, high temperature resistance, good thermal stability, low thermal conductivity, small specific heat and mechanical vibration resistance. It is used in metallurgy, chemical industry, transportation, aerospace, The scope of application of cutting-edge science and technology fields such as military protection is gradually expanding, and the development prospects are very broad. In the three-dimensional weaving process, the tension yarn on the yarn carrier connects and drives the ceramic fiber bundles to weave. Due to the shortcomings of ceramic fibers such as low elongation, high brittleness, and resistance to bend...

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 Applications(China)
IPC IPC(8): D01H15/00
CPCD01H15/00
Inventor 伍立立张典堂
Owner 宜兴市新立织造有限公司
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