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Tempering method of 2-mm glass

A glass and transmission direction technology, applied in glass tempering, glass manufacturing equipment, manufacturing tools, etc., can solve the problems of easy deformation, thin thickness, affecting the appearance and performance of glass, and achieve good tempering effect and avoid deformation. Effect

Active Publication Date: 2018-09-04
WUJIANG CSG GLASS CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The 2mm embossed glass panel and the float glass backplane are thin and easily deformed during the heating process, which affects the appearance and performance of the glass

Method used

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  • Tempering method of 2-mm glass
  • Tempering method of 2-mm glass
  • Tempering method of 2-mm glass

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0038] Such as Figure 1 to Figure 4 Shown, a kind of toughening method of 2mm glass comprises the steps:

[0039] step 1:

[0040] The glass 3 is placed on the transmission roller 7 in the heating zone 1 to pass through multiple heating zones of the heating zone 1 at a constant speed to heat up, and the upper surface and the lower surface of the glass 3 are heated simultaneously by the heating wire. The temperature rise curve of the glass 3 is as follows :

[0041] S1: 0 ~ 30s from room temperature to 300 ℃;

[0042] S2: Continue to heat up to 350 or 360°C for 30-55s;

[0043] S3: 55~75s continue to heat up to 400 or 420°C;

[0044] S4: Continue to heat up to 550°C for 75-90s;

[0045] S5: Continue to heat up to 630°C for 90-100s;

[0046] S6: Maintain the temperature at 630°C for 100-105s;

[0047] The heating zone 1 has a plurality of heating...

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Abstract

The invention relates to the technical field of glass production, in particular to a tempering method of 2-mm glass. The tempering method comprises the following steps: (1) sequentially increasing thetemperature of glass at a uniform speed through multiple heating intervals in a heating zone, wherein a temperature increasing curve of the glass is shown as follows: S1, the room temperature is increased to 300 DEG C within 0-30 s; S2, the temperature is continuously increased to 350-360 DEG C within 30-55 s; S3, the temperature is continuously increased to 400-420 DEG C within 55-75 s; S4, thetemperature is continuously increased to 550 DEG C within 75-90 s; S5, the temperature is continuously increased to 630 DEG C within 90-100 s; S6, the temperature is maintained to 630 DEG C within 100-105 s; (2) accelerating to pass through a vacancy zone between the heating zone and an air-cooling zone within 105-108 s and then entering the air-cooling zone; (3) performing high-pressure quenchingon all the glass and reducing the temperature from 630 DEG C to 150 DEG C within 1.5 s; (4) performing low-pressure cooling on the glass and continuously reducing the temperature to 90 DEG C within 10 s. By the adoption of the tempering method provided by the invention, a tempering effect is good, and the deformation of the 2-mm glass produced in the tempering process can be effectively avoided.

Description

technical field [0001] The invention relates to the technical field of glass production, in particular to a method for tempering 2mm glass. Background technique [0002] The methods of glass tempering mainly include physical tempering method and chemical tempering method. The physical tempering method is to heat the glass plate to near the glass transition temperature in the heating zone, and then quickly cool it to room temperature through fan quenching, so that compressive stress is generated on the glass surface and tensile stress is generated inside the glass. The process of improving the strength of glass such as compression, bending, and impact. The chemical tempering method is to change the glass surface components by chemical means, increase the surface lamination stress, and increase the mechanical strength and thermal stability of the glass. Because it strengthens glass by ion exchange, it is also called ion exchange enhancement method. According to the type of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B27/044C03B27/012
CPCC03B27/012C03B27/044
Inventor 庞立业康正辉彭鹰潘先成王瑞申
Owner WUJIANG CSG GLASS CO LTD
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