Method for detecting sedimentation rate of glass beads in reflecting material production process
A technology of glass microbeads and production process, applied in analytical materials, instruments, etc., can solve the problems of time-consuming, labor-intensive, and large errors in detection
Active Publication Date: 2015-01-14
浙江龙游道明光学有限公司
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[0006] Aiming at the defects in the prior art that the detection is time-consuming and labor-intensive, and the value error between the detection result and the actual sedimentation rate is relatively large, the present invention provides a new detection method for the sedimentation rate of glass beads in the production process of reflective materials
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Embodiment 1
[0030] Such as Figure 4 , Figure 6 , Figure 9 As shown, the detection method for the sedimentation rate of glass beads in the production process of reflective materials, the detection steps are:
[0031] a. Sampling the bead-planting film on the plant film production line, scanning the surface of the bead-planting film obtained by sampling with a stereo microscope, and obtaining a complete scanned image of the exposed part of the glass beads;
[0032] b. On the scanned image in step a, use a stereomicroscope to obtain a cross-sectional view cut downward from the center of a single glass bead;
[0033] c. Select a section of smooth circular arc on the profile obtained in step b, measure and obtain the chord length L and the chord height h of the smooth circular arc with a stereo microscope;
[0034] d. According to the formula Calculate the radius R of a single glass bead;
[0035] e. Measure the height H of the exposed part of a single glass bead with a stereomicrosco...
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The invention discloses a method for detecting the sedimentation rate of glass beads in a reflecting material production process. The method comprises the following detection steps: a. sampling a bead embedding membrane on a bead embedding membrane production line, scanning the surface of the sampled bead embedding membrane by utilizing a three-dimensional microscope, and acquiring a complete scanning image of an exposed part of each glass bead; b. acquiring the profile of the single glass bead which is split downwards from the center by utilizing the three-dimensional microscope on the scanning image; c. selecting a section of smooth arc on the profile, and acquiring the chord length L and chord height h of the smooth arc by virtue of the measurement of the three-dimensional microscope; d. calculating the radius R of each glass bead according to the formula; e. acquiring the height H of the exposed part of each glass bead on the profile by utilizing the three-dimensional microscope; and f. calculating the sedimentation rate of each single glass bead according to the formula. By adopting the method, the original structure of the glass beads on the surface of the bead embedding membrane is not damaged, the sedimentation rate of the each glass bead on the bead embedding membrane can be precisely calculated, and the calculation error can be greatly reduced.
Description
technical field [0001] The invention relates to a detection method of glass microspheres, in particular to a detection method of the sedimentation rate of glass microspheres in the production process of reflective materials. Background technique [0002] As we all know, the bead-planted film is the most important semi-finished product in the production process of glass bead reflective materials, which can be made into glass bead-exposed reflective materials or glass bead-built-in reflective materials in subsequent production. After the reflective material is manufactured, it is necessary to detect the retroreflection coefficient of the glass beads on it, because the retroreflection coefficient of the glass beads on the reflective material is directly related to the retroreflective coefficient of the reflective material, and the retroreflection of the reflective material The coefficient is one of the important criteria to measure the quality of reflective materials. It usuall...
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IPC IPC(8): G01N15/04
Inventor 邵嘎王宏孙飞杨桂萍孟祥佳王隆辉
Owner 浙江龙游道明光学有限公司