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Device and method for transmission measurement of fiber bundle alignment uniformity and fracture morphology

A measuring device and fiber bundle technology, applied in the direction of measuring device, applying stable tension/pressure to test material strength, strength characteristics, etc., can solve problems such as inaccuracy, achieve improved accuracy, simple and easy process, unique innovation sexual effect

Active Publication Date: 2021-08-24
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantages: can only roughly determine the general location of fiber breakage, such as the tip, middle or tail, and cannot be precise

Method used

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  • Device and method for transmission measurement of fiber bundle alignment uniformity and fracture morphology
  • Device and method for transmission measurement of fiber bundle alignment uniformity and fracture morphology
  • Device and method for transmission measurement of fiber bundle alignment uniformity and fracture morphology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] The sample is tested with cotton fiber bundles, the tensile speed is 10mm / min, the speed of the stepping motor is 10r / min, and the distance is 10mm. Experimental conditions: temperature 20°C, relative humidity 65%.

Embodiment 2

[0055] The sample is tested with 66 combed wool (2114um), the tensile speed is 10mm / min, the speed of the stepping motor is 10r / min, and the distance is 10mm. Experimental conditions: temperature 20°C, relative humidity 65%.

Embodiment 3

[0057] The sample is tested with Kevlar filament, the tensile speed is 10mm / min, the stepper motor speed is 10r / min, and the distance is 10mm. Experimental conditions: temperature 20°C, relative humidity 65%.

[0058] Test results such as Figure 4 shown.

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PUM

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Abstract

The invention relates to a transmission type measurement device, method and application of fiber bundle arrangement uniformity and fracture form. The device includes a wide-angle lens, a CCD camera, an LED light source board, a camera platform that can move up and down, a translation mechanism that can move horizontally, an anti-vibration base, a bundle fiber stretching mechanism, and computer control and data analysis coefficients. The device provided by the invention is simple in structure, high in measurement accuracy, and real-time dynamic; the measurement method is an analysis method with multiple indicators on one side and multiple passwords on deformation and properties, and is suitable for the bundle strength measurement of textile fibers, fiber bundle arrangement uniformity, tension Consistency of tensile fracture end shape and evaluation of weak joint characteristics. The outline of the fracture end and the light transmittance are compared with each other and with the force value and displacement value.

Description

technical field [0001] The invention relates to a transmission type measurement device, method and application of fiber bundle arrangement uniformity and fracture form, which are applicable to various textile fibers such as wool, hemp and cotton, and belong to the technical field of optical measurement methods. Background technique [0002] Cotton, wool, hemp and other textile fibers are mainly used in the textile industry. The content of fiber bundles and the length distribution after fiber breakage are one of the important indicators for detecting fibers. Therefore, the length distribution after fiber breakage is detected after tensile fracture. One of the important items. [0003] At present, the detection methods used in the world are mainly the following categories: 1. Traditional method: also known as the ruler measurement method, which is to place the broken fiber sample on a black velvet board and measure the fiber density of the whole fiber one by one with a stainle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/08G01N3/06
CPCG01N3/068G01N3/08G01N2203/0017G01N2203/005G01N2203/0067G01N2203/0075G01N2203/028G01N2203/0682
Inventor 于伟东卢笛刘洪玲尤玲玲
Owner DONGHUA UNIV
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