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The Best Scheme for Stress Testing and Secondary Strengthening Stress Testing of Corning Fourth Generation Glass

  • Source: Unknown
  • Date: April 2, 2021
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The glass surface stress meter is used to measure the surface stress of chemically strengthened and physically strengthened glass. The measuring principle of the glass surface stress meter is to use the optical waveguide effect of the ion exchange layer on the glass surface to measure. The diverging light from the light source passes through the slit, converges by the high refractive index cylindrical prism and becomes a parallel light. By adjusting the position of the light source, a beam of parallel light can be incident to the interface between the glass and the prism at a critical angle. Due to the stress on the glass surface, the light is decomposed into vector light with two vibration surfaces perpendicular to each other, These two beams of light propagate at different speeds in the ion exchange layer of the glass, so they are refracted to the prism at different total reflection angles. The light emitted from the prism is reflected by the reflector into the interference filter, focused by the telescope system, and then imaged on the reticle after passing through the analyzer to form a light and dark step image. The analysis software can accurately measure the height of steps and the number of step lines to calculate the surface stress intensity and the depth of stress layer.
       
In response to the product upgrade of Corning Glass, our company has specially developed a FSM-6000LE infrared surface Stress tester It is used for the stress detection of Corning fourth generation glass and secondary strengthened glass. Because the instrument uses infrared light source, the interference of visible light is avoided as far as possible, and the phenomenon of unclear lines and inaccurate test results when testing Corning fourth generation glass and secondary strengthened glass with ordinary stress instrument is solved.
 
Shenzhen Dongyi Precision Equipment Co., Ltd. is a company engaged in glass stress meter, tempered glass surface stress meter, optical glass stress meter, tempered glass stress meter, FSM-6000LE, surface stress meter, FSM-6000LEIR, glass surface stress meter, original surface stress meter, ORIHARA stress meter, mobile phone screen stress meter, glass section stress meter, tempered glass strength meter Corning glass stress meter, gorilla glass stress meter, Corning fourth generation glass stress meter, flat glass stress meter, mobile phone cover glass stress meter, Asahi glass strength meter, curtain wall building glass stress meter and other testing instruments.
 
Parameters and specifications of FSM-6000LEIR stress gauge:
 
1. Measurement object: chemically strengthened glass, physically strengthened glass
2. Measuring shape: flat glass 10 × 10mm or above
3. Measurement range: 0-1000Mpa
4. Measurement accuracy: ± 20Mpa
5. Measurement range (stress layer depth): 0-200 μ m 　
6. Accuracy (stress layer depth): ± 5 μ m 　
7. Light source: wavelength 790 ± 2nm
8. Prism: S-LAL-10 ND=1.72
9. PC: special (OS, measurement software installed OS: Windows 7 Professional Edition
10. Light source: FSM-LED790
11. Power supply: AC220V ± 5V 5A
12. Size: 300 × 600 × 250 (measuring head)
13. Weight: 14KG 200 × 400 × 400 (PC)
14. Weight: 5KG 250 × 400 × 400 (monitor)
 
The glass surface stress meter is used to check the size and distribution of stress in transparent objects. It is not only widely used in optical glass, optical instruments, glass products, plastic products and other industries, but also plays an important role in the inspection of safety explosion-proof indicators of building materials, lamps, pharmaceuticals, beverages, handicrafts, and also has many applications in the fields of crystal jewelry production, geology and minerals, and materials science. At the same time, the surface stress instrument provided by Dongyi Seiko is also an ideal teaching experimental equipment for colleges and universities.

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