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Transmission type measuring device and method of arrangement uniformity and fracture morphology of fiber bundle

A measuring device and fiber bundle technology, which is applied to the measuring device, using stable tension/pressure to test the strength and strength characteristics of materials, etc., can solve problems such as inaccuracy, and achieve improved accuracy, unique innovation, and the process is simple and easy. row effect

Active Publication Date: 2019-04-09
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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  • Transmission type measuring device and method of arrangement uniformity and fracture morphology of fiber bundle
  • Transmission type measuring device and method of arrangement uniformity and fracture morphology of fiber bundle
  • Transmission type measuring device and method of arrangement uniformity and fracture morphology of fiber bundle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

Embodiment 2

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

Embodiment 3

[0057] The sample was tested with Kevlar filament, the tensile speed was 10mm / min, the speed of the stepping motor was 10r / min, and the distance was 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 measuring device and method of arrangement uniformity and fracture morphology of a fiber bundle, and a purpose. The device comprises a wide-angle lens, a CCD camera, an LED light source plate, a shooting table capable of moving up and down and back and forth, a translation mechanism capable of moving left and right, an anti-vibration pedestal, a bundlefiber stretching mechanism, and a computer control and data analysis system. According to the device, the structure is concise, the measuring precision is high, and dynamic real-time measurement is realized; and the measuring method is a single-side multi-index, deformation and property multi-command analysis method and is applicable to arrangement uniformity, and morphology consistence and weak-link characteristic assessment of stretching fracture ends of fiber bundles in bundle intensity measurement of textile fibers; and contour lines and the transmittance of the fracture ends are mutuallycompared and are compared with force values and displacement values.

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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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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