Pressurizing method for fabric crease recovery angle measurement
A technology of recovery angle and fabric, which is applied in the direction of measuring devices, instruments, and mechanical devices, etc., can solve the problems of inability to obtain sample recovery conditions, etc.
Active Publication Date: 2017-06-27
JIANGNAN UNIV
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Problems solved by technology
However, due to the limitations of the pressurization method, the original position of the sample needs to be changed for testing after pressurization, so as to avoid the influence of gravity on the measurement results, which makes it impossible to obtain the recovery status of the sample at the initial moment of the recovery phase. The evaluation of fabric performance is of great significance
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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[0016] The pressurization method for measuring the wrinkle recovery angle of a fabric involved in the present invention is mainly to apply a stable pressure to the sample along the horizontal direction, and the pressurization pressure and pressure application time are controllable, so that the fabric wrinkle recovery angle can recover from the initial recovery angle in the recovery stage. Accurate evaluation of the whole process starting from the moment.
[0017] The size of the sample is a rectangle of 40mm×15mm, and the top view of the fixing method of the sample on the test bench is for reference figure 1 , the long side of the sample is parallel to the horizontal plane, and the broad side is perpendicular to the horizontal plane. The fixed wing of the sample is clamped by the metal sheet 1 and the fixed table 2, and the other wing is in a free state when it is not pressurized;
[0018] The pressurizing device (refer to figure 2 ) includes a briquetting block 3 and a pre-...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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The invention discloses a pressurizing method for fabric crease recovery angle measurement. The pressurizing method includes the steps that a rectangular test sample is disposed on a test bench and one side of the test sample is kept fixedly clamped while the other side is kept unclamped, wherein long edges of the test sample are parallel to the horizontal plane while wide edges are perpendicular to the horizontal plane; the test sample is pressurized through a pressurizing device moving horizontally, wherein the pressure direction is horizontal and is perpendicular to the plane of the fixed side of the test sample, the pressurizing device comprises a pressurizing block and a pre-pressurizing plate, the pre-pressurizing plate is used for fixing the unclamped side of the test sample before the test sample is pressurized, the pressurizing block is powered by compressed air energy and the pressurizing force and the pressurizing block are adjustable in movement speed; when the pressurizing device releases pressure, the pressurizing block and the pre-pressurizing plate are connected into a whole under the action of electromagnetism and leave the surface of the test sample together. The pressurizing method for fabric crease recovery angle measurement is capable of acquiring recovery angles in an initial test sample recovery stage so as to evaluate a whole test sample recovery process.
Description
technical field [0001] The invention relates to the field of fabric quality testing methods, in particular to the pressurization method of the fabric wrinkle recovery angle testing method. Background technique [0002] Fabric wrinkle recovery performance is one of the important indicators for evaluating fabric quality, which is related to the usability and shape retention of fabrics. The current methods for evaluating the wrinkle recovery performance of fabrics mainly include the recovery angle method and the appearance method. The recovery angle method can measure more intuitive angle data than the appearance method for wrinkle grade evaluation, so it is more widely used. [0003] The current standard method for measuring the wrinkle recovery angle of fabrics is to use a weight to pressurize the sample, and measure the angle value of the sample recovery within a specified time after the pressure is released to measure the performance. However, due to the limitation of the ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Login to View More IPC IPC(8): G01N19/00
CPCG01N19/00
Inventor 王蕾潘如如高卫东
Owner JIANGNAN UNIV