Device for testing axial compressibility of fiber material

A technology of axial compression and testing equipment, which is applied in the direction of measuring equipment, analyzing materials, and testing the strength of materials by applying stable tension/pressure, which can solve the lack of comparability of test results, small radial size of fiber samples, and constraints Differences and other issues, to achieve reliable and reasonable test results, eliminate reproducibility, and improve consistency

Inactive Publication Date: 2010-07-28
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

[0007] 3. During the detection process, the axial alignment of the sample must be adjusted for each test, and the monitoring of the alignment process needs to be achieved through visual inspection, and the operability is not high;
[0008] 4. Since the radial size of the fiber sample is very small, when different brands of double-

Method used

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  • Device for testing axial compressibility of fiber material
  • Device for testing axial compressibility of fiber material
  • Device for testing axial compressibility of fiber material

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Embodiment Construction

[0026] see figure 1 , figure 2 , one end of the fiber sample 5 is clamped on the lower holder 6, the lower holder is fixed on the test bench 7, the upper test head is installed on the test rod 12 of the electronic push-pull gauge 1 through the screw hole, and the upper test head It includes an upper holder or a disc-type test head 4. During the test, one end is clamped and the other end is a free end or both ends are clamping constraints according to the test method, and the upper test head is selected. The electronic push-pull force gauge 1 is installed on the slide block 11 on the column 2 of the supporting test bench, and moves up and down at a set speed along with the slide block 11 . When the electronic push-pull force gauge moves down with the slider 11 to the set compression stroke at the set speed, the axial compression test process of the fiber sample can be realized. The speed and the compression stroke of the electronic push-pull dynamometer can be set by the app...

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Abstract

The invention relates to a device for testing axial compressibility of a fiber material, which can broaden the testing scope and improve the testing efficiency and accuracy. In the technical scheme, the device comprises a testing table, a digital type electronic push-pull force gauge and a measuring and controlling computer, wherein an upright column with a vertical slide rod is arranged on a base of the testing table, the electronic push-pull force gauge is connected with the slide rod in a sliding way through a slide block, the end of a testing rod on the lower end of the electronic push-pull force gauge is provided with an upper testing head, and the upper testing head is a disc type testing head or an upper clamp; and a lower clamp corresponding to the upper testing head is arranged on the testing table. The invention not only simplifies the testing device and the operating method, but also eliminates the factors affecting the reproducibility in the testing process. Moreover, the invention broadens the application scope of the device, can reliably, accurately and simply clamp the sample, and has high reproducibility and maneuverability.

Description

technical field [0001] The invention relates to an instrument for testing the axial mechanical properties of fiber materials, which belongs to the technical field of testing. Background technique [0002] Fiber material is a slender object whose length is hundreds of times or more than a thousand times larger than the fineness. It is an important industrial raw material and is mainly used in the processing of clothing, decoration and industrial textiles. The mechanical and physical properties of fibers not only have a great influence on the processing and manufacturing process of fiber products (such as yarn, thread, fabric), but also have a significant impact on the performance of the final product. The impact of the axial compression and bending properties of the fiber on the quality or performance of the final product is mainly manifested in the following aspects: ① It affects the distribution of hairiness on the surface of the fabric (the fiber head exposed on the surfac...

Claims

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Application Information

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IPC IPC(8): G01N3/08G01N3/04
Inventor 敖利民郑元生贾立霞
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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