Testing device and method for carbon fiber strand integrity

A test device and test method technology, applied in the direction of measuring devices, mechanical devices, instruments, etc., can solve the problems of not being able to meet customer needs, not being able to find cluster quantitative evaluation, etc., and achieve simple and clear test methods, low production costs, The effect of safe and fast operation process

Active Publication Date: 2015-04-22
HENGSHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after checking the literature and patents at home and abroad, basically no introduction on the quantitative evaluation of clustering can be found. With the wide application of carbon fiber in various industries, its usage is also showing a growing trend. The qualitative evaluation conclusion of subjective consciousness has long been unable to meet the needs of customers from all aspects

Method used

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  • Testing device and method for carbon fiber strand integrity
  • Testing device and method for carbon fiber strand integrity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Adjust the temperature of the test room to 20°C and the relative humidity to 40%, and use the left adjustment knob 8 and the right adjustment knob 9 to adjust the level of the test chamber body 1, open the front of the test chamber body 1, and stand in this environment for 2 Hours or more; select 5 spindles from the HF10-12K-A2 carbon fiber that need to test the clustering carbon fiber, the fixed length of the fiber is about 1100 meters, and place it in the above environment for 2 hours; the fiber spindle 202 is installed on the unwinding shaft 201 and Ensure that the fiber can be pulled out from its upper end, and the winding spindle 502 is fixed on the winding shaft 501; one of the selected fiber spindles is fixed on the unwinding device 2, and passes through the porcelain eye 3 and the transmission roller in sequence Mechanism 4, etc., wind up on the wire-receiving spindle 502 at last, and close the front of the test chamber 1; use the variable speed knob 7 to adjust ...

Embodiment 2

[0044] Adjust the temperature of the test room to 25°C and the relative humidity to 50%. Select 4 ingots from the HF30-12K-A2 carbon fiber. The fixed length of the carbon fiber that needs to be tested for clustering is about 2700 meters. Hours and through the detection of the test device in the test chamber 1, the speed change knob 7 adjusts the rotating speed of the wire receiving spindle 502 to be 15r / min, and the first to fourth test results are 46.3%, 47.9%, 49.6%, 48.1% respectively , taking the average value, the bundled carbon fiber of this model batch is 47.98%, and the dispersion coefficient is 2.61%.

Embodiment 3

[0046] Adjust the temperature of the test room to 27°C and the relative humidity to 60%. Select 3 ingots from the T700SC-12K-50C carbon fiber. The fixed length of the carbon fiber that needs to be tested for clustering is about 2500 meters. According to Example 1, place 2 in the above environment. Hours and through the test device detection in the test chamber 1, the speed change knob 7 adjusts the rotating speed of the wire receiving spindle 502 to be 20r / min, and the first to third test results are 33.3%, 32.5%, 30.08% respectively, taking the average It is estimated that the bundled carbon fiber of this model batch is 31.96., and the dispersion coefficient is 2.97%.

[0047] Compared with the prior art, the beneficial effect of this embodiment is: the test device designed by the present invention has a simple structure, no complicated parts, and low manufacturing cost. It can be operated after training, and the operation process is safe and fast. The present invention can ...

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Abstract

The invention provides a testing device and method for carbon fiber strand integrity. The testing device comprises a full-closed type testing box body, wherein a backing-off device, a filament guide button, a transmission roller mechanism and a winding device are sequentially arranged in the testing box body, the backing-off device can freely rotate, the filament guide button plays a role in limiting carbon fiber, the transmission roller mechanism plays a role in transmitting the carbon fiber, the winding device winds the carbon fiber, and the speed of the winding device can be controlled. The carbon fiber is led out of the backing-off device, sequentially penetrates through the filament guide button and the transmission roller mechanism, and is finally wound around the winding device, and the carbon fiber strand integrity is calculated according to the before-spreading width and the after-spreading width. The invention further relates to the testing method of the device, the carbon fiber strand integrity can be effectively tested, error caused by visual inspection or hand feelings of different testing personnel is avoided, the efficient testing device and method are provided for the evaluation and detection of the carbon fiber strand integrity, and the testing result can be more reliable.

Description

technical field [0001] The invention relates to the technical field of testing and evaluating the applicability of carbon fiber technology, in particular to a carbon fiber bundle testing device and a testing method thereof. Background technique [0002] Since carbon fiber has outstanding properties such as high strength, high modulus, high temperature resistance, corrosion resistance, fatigue resistance, low density, and high electrical conductivity, since its birth in the 1960s and 1970s, its resin-based composite materials have rapidly been used in aerospace, High-power wind power machinery, construction industry, automobile industry, sporting goods, conductor materials, marine corrosion-resistant materials and other fields have been widely used and showing a trend of increasing year by year, and with the continuous optimization of carbon fiber production process and production cost With the continuous reduction of carbon fiber composite materials, more and more carbon fib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/00
Inventor 杭传伟夏忠林徐牛牛刘思
Owner HENGSHEN
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