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Method and apparatus for automatically measuring fibre curling performance

A technology of automatic testing and testing device, applied in textile testing, using stable tension/pressure to test material strength, material inspection products, etc. The effect of reducing human error and improving accuracy

Active Publication Date: 2007-09-05
上海新纤仪器有限公司
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Problems solved by technology

[0004] The object of the present invention is to provide an automatic test method and test device for fiber crimp performance, which can automatically test the crimp rate of fiber samples, the crimp elastic rate of fiber samples and the number of crimps of fiber samples, so as to solve the poor test accuracy of the prior art. , slow test speed and other technical defects

Method used

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  • Method and apparatus for automatically measuring fibre curling performance
  • Method and apparatus for automatically measuring fibre curling performance
  • Method and apparatus for automatically measuring fibre curling performance

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Embodiment Construction

[0040] As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, and Fig. 8, the present invention provides an automatic fiber crimp performance test method and test device for automatic fiber test Sample crimp rate, fiber sample crimp elasticity and fiber sample crimp number.

[0041] An automatic test method for fiber crimp performance, which is characterized in that it is implemented as follows:

[0042] [1] First turn on the power switch 14201 of the automatic fiber crimp performance test device and the power switch of the computer 11, and warm up for half an hour;

[0043] [2] According to the linear density unit dtex of fiber sample 1, according to the national standard "GB / T14338-1993 synthetic fiber crimp performance test method", determine the light load unit cN used in fiber sample 1 test, and its value is 0.0018cN / dtex calculation and heavy load unit cN, such as vinylon, nylon, polypropylene, and chlorinated fiber, its value is calculated as 0.05cN / dtex, poly...

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Abstract

A method for automatically testing crimp performance of fiber includes setting light weight and heavy weight, measuring said weights by force test transducer, controlling holder to go down and to vise as well as to stop automatically and recoding initial length and tensile length as well as restoration length of fiber test sample automatically, calculating crimp rate and crimp elastic rate of said test sample by computer and automatically fetching out crimp number of said test sample by computer in utilizing optical path shooting technique. The test device used for realizing said method is also disclosed.

Description

Technical field [0001] The invention belongs to the field of fiber material testing instruments, and provides an automatic test method for fiber crimp performance and a test device thereof. Background technique [0002] Fiber crimp is a technical quality index that must be tested during the production process of chemical fiber enterprises. Crimping can increase the friction and cohesion between the fibers when the short fiber is spinning, so that the yarn has a certain strength. Crimping can also improve the elasticity of fibers and textiles, make the hand feel soft, and highlight the style of the fabric. At the same time, curling has an effect on the wrinkle resistance, warmth retention and surface gloss of the fabric. In natural fibers, cotton has natural twist, wool has natural crimp. Generally, synthetic fibers have a smooth surface, low fiber friction, poor cohesion, and difficult spinning. Therefore, mechanical, chemical or physical methods must be used in post-processing t...

Claims

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Application Information

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IPC IPC(8): G01N3/08G01N33/36
Inventor 李汝勤凌峥黄友山徐国良高军吴林根过玉清吴慈仙
Owner 上海新纤仪器有限公司
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