Processing method for better controlling spherical degree of irregular spherical glass

A processing method and irregular technology, which is applied in the processing field of better controlling the sphericity of irregular spherical glass, can solve the problems of lowering the control requirements of the heating furnace temperature, and the difficulty of forming large spherical special-shaped glass, so as to reduce the requirements and benefit large-scale production. Good effect of scale promotion and curvature

Inactive Publication Date: 2021-05-25
明盾技术河北有限公司
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Problems solved by technology

[0004] In order to solve the above-mentioned technical problems, the present invention provides a processing method for better controlling the sphericity of irregular spherical glass, which solves the problem that large spherical special-shaped glass is not easy to form, and reduces the control requirements for the internal temperature of the heating furnace

Method used

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  • Processing method for better controlling spherical degree of irregular spherical glass
  • Processing method for better controlling spherical degree of irregular spherical glass

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Experimental program
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Embodiment

[0016] (1) Making molds: use 5mm thick hot-rolled steel plates to cut out slats, assemble and weld them together, use 5cm*10cm channel steel for reinforcement at the base, and weld together with 8-10mm cold-drawn steel rods or stainless steel rods at the edges, such as figure 1 shown;

[0017] (2) Select high-temperature fiber cloth to spread on the mold;

[0018] (3) Lay the flat glass onto the high temperature fiber cloth;

[0019] (4) Heat forming: use a heating furnace to heat the mold in step (1) and the flat glass in step (3) to the softening temperature of the flat glass in step (3), and the flat glass is attached to the cavity of the mold The surface is shaped into a curved shape;

[0020] (5) Cooling and taking out the workpiece: After the mold and the flat glass are cooled, take out the curved glass formed from the flat glass, and after deburring the curved glass, the finished curved glass can be obtained.

[0021] Adopt the method of embodiment to carry out 50 ti...

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Abstract

The invention relates to the technical field of glass ball processing, in particular to a processing method for better controlling the spherical degree of irregular spherical glass, which solves the problem that large spherical special-shaped glass is not easy to form and reduces the control requirement on the internal temperature of a heating furnace. The method comprises (1) a step of manufacturing a mold, namely a step of cutting a hot-rolled steel plate with the thickness of 5 mm into battens, assembling and welding the battens, reinforcing a base with 5 cm * 10 cm channel steel, and welding the edges together through 8-10 mm cold-drawn steel rods or stainless steel rods; (2) a step of flatly laying high-temperature fiber cloth on the mold; (3) a step of laying flat glass on the high-temperature fiber cloth; (4) a step of heating and forming, namely a step of heating the mold in the step (1) and the plate glass in the step (3) to the softening temperature of the plate glass in the step (3) by using a heating furnace, and enabling the plate glass to be attached to the surface of a mold cavity of the mold to be shaped into a bent shape; and (5) a step of cooling and taking out a workpiece.

Description

technical field [0001] The invention relates to the technical field of glass sphere processing, in particular to a processing method for better controlling the spherical degree of irregular spherical glass. Background technique [0002] As we all know, the forming of curved glass is formed by hot bending of molds. Flat glass is placed on a prefabricated mold and heated in a bending furnace. After the glass reaches the softening temperature, it sags by its own weight to form a curved surface. [0003] The curvature of the spherical surface of the glass is different at each point during the hot-bending firing process of the special-shaped glass based on the large spherical surface. During the firing process of the normal hollow mold, the curvature requirements of the glass cannot be met, and the curvature of the center is large, and the curvature of the edge is small. phenomenon (commonly known as "glass belly"). The temperature control of each part of the heating furnace is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B23/025
CPCC03B23/0252
Inventor 杨全路杨校强刘昭
Owner 明盾技术河北有限公司
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