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Microcrystalline glass polishing process

A technology of glass-ceramic and process, which is applied in the field of polishing treatment, can solve problems such as difficulty in controlling the roughness of the glass, affecting the overall flatness of the glass, and uneven stress distribution, so as to shorten the polishing process time, shorten the production time, and reduce the roughness. Effect

Inactive Publication Date: 2020-12-04
CAIHONG GRP SHAOYANG SPECIAL GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the surface of the glass-ceramic cut out by the multi-wire cutting machine has certain cutting line marks, resulting in uneven surface, when polishing the glass directly with a polishing machine, the polishing time must be extended to polish the glass, but the polishing time is too long. If it is long, it will cause a certain degree of arc surface around the glass-ceramic, which will affect the overall flatness of the glass.
At present, the roughness of the glass polished by this technology is difficult to control, resulting in uneven stress distribution of the glass after strengthening, and later manufacturers will have great difficulties in the production process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] like figure 1 Shown, a kind of crystallized glass polishing process of the present invention comprises the following steps:

[0034] S1. Use a grinder to grind the 0.900mm glass-ceramic sheet refined by the engraving machine to a thickness of 0.725mm, and remove the cutting line marks on the surface of the glass-ceramic.

[0035] S2. Cleaning up impurities on the glass-ceramics: repeatedly washing the prepared glass-ceramics sheet with pure water to remove visible foreign matter on the surface.

[0036] S3. Insert the glass sheet into the shelf, place it in the ultrasonic cleaning machine, and clean it. The ultrasonic cleaning parameters are shown in the following table:

[0037]

[0038] S4. Preparation of polishing liquid: Accurately weigh 25KG of small-sized polishing powder, then slowly add the polishing powder to 25-35KG of clear water while stirring, and add it to the liquid storage tank of the polishing machine after stirring evenly .

[0039] S5. Polishing...

Embodiment 2

[0064] The invention provides a glass-ceramics polishing process, comprising the following steps:

[0065] S1. Grind the 0.900mm glass-ceramic sheet refined by Jingdiao machine to a thickness of 0.725mm with a grinder;

[0066] S2. Cleaning up impurities on the glass-ceramics: repeatedly washing the prepared glass-ceramics sheet with pure water to remove visible foreign matter on the surface.

[0067] S3. Insert the glass sheet into the shelf, place it in the ultrasonic cleaning machine, and clean it. The ultrasonic cleaning parameters are shown in the following table:

[0068]

[0069] S4. Accurately weigh 25KG of polishing powder with a particle size of 25-30nm, then slowly add the polishing powder into 30KG of clear water while stirring, and add it to the liquid storage tank of the polishing machine after stirring evenly.

[0070] S5. Polishing: the cleaned glass-ceramic sheet is placed in the grinding chassis of the polishing machine, the polishing powder is injected i...

Embodiment 3

[0095] A glass-ceramic polishing process of the present invention comprises the following steps:

[0096] S1. Grind the 0.900mm glass-ceramic sheet refined by Jingdiao machine to a thickness of 0.725mm with a grinder;

[0097] S2. Cleaning up impurities on the glass-ceramics: repeatedly washing the prepared glass-ceramics sheet with pure water to remove visible foreign matter on the surface.

[0098] S3. Insert the glass sheet into the shelf, place it in the ultrasonic cleaning machine, and clean it. The ultrasonic cleaning parameters are shown in the following table:

[0099]

[0100] S4. Accurately weigh 25KG of polishing powder with a particle size of 25-30nm, then slowly add the polishing powder into 25KG of clear water while stirring, and add it to the liquid storage tank of the polishing machine after stirring evenly.

[0101] S5. Polishing: the cleaned glass-ceramic sheet is placed in the grinding chassis of the polishing machine, the polishing powder is injected in...

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Abstract

The invention relates to a microcrystalline glass polishing process. The process comprises the following steps: step 1, grinding and thinning the surface of microcrystalline glass to remove cutting line marks on the surface of the microcrystalline glass; step 2, carrying out impurity removal on the ground microcrystalline glass; step 3, carrying out ultrasonic cleaning on the microcrystalline glass subjected to impurity removal; step 4, polishing the microcrystalline glass subjected to ultrasonic cleaning; step 5, detecting roughness of the polished microcrystalline glass, and carrying out fixed-point polishing according to the roughness difference; and step 6, detecting the roughness of the microcrystalline glass subjected to fixed-point polishing again, if the microcrystalline glass is unqualified, executing the step 5 to carry out fixed-point polishing again, and if the microcrystalline glass is qualified, obtaining the polished microcrystalline glass. The glass can be ground in a targeted manner by combining a polishing process, so that in the produced microcrystalline glass, the roughness is reduced, the flatness is improved, the original production time is shortened, the production cost is reduced, and the production benefits of manufacturers are improved.

Description

technical field [0001] The invention relates to the technical field of polishing treatment in the cold working section during the production and processing of glass-ceramic, in particular to a glass-ceramic polishing process. Background technique [0002] Glass polishing is to reduce the roughness of the glass surface and increase the transparency of the glass by means of the joint action of machinery and chemistry. It is to use the relevant polishing equipment and polishing powder to repair the glass surface. The existing polishing technology is to use a special blanket first. Assembled on the polishing sponge disc, and then installed on the polishing disc, and then installed the grinding skin on the polishing base, by adjusting the polishing time, polishing pressure and changing the concentration of the polishing liquid to achieve the surface polishing of the glass. [0003] Since the surface of the glass-ceramic cut out by the multi-wire cutting machine has certain cuttin...

Claims

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Application Information

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IPC IPC(8): B24B1/00B24B37/00
CPCB24B1/00B24B37/00
Inventor 许星星董军李子沛
Owner CAIHONG GRP SHAOYANG SPECIAL GLASS CO LTD
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