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Fine porous ceramic used as ceramic mold and molding technique

A technology of microporous ceramics and ceramic moulds, which is applied in the direction of ceramic molding machines and manufacturing tools, can solve the problems of high cost, low positioning accuracy, and serious pollution, and achieve the reduction of the number of moulds, high mold precision, and simple production Effect

Inactive Publication Date: 2010-07-14
胡敏渝
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Problems solved by technology

And because the positioning accuracy is not high, the mold clamping traces of the mud blank are obvious or even misplaced, which directly affects the product quality
The mold making is seriously polluted, the cost is high, and the labor intensity of the workers is high, which seriously restricts the development of the ceramic industry.

Method used

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  • Fine porous ceramic used as ceramic mold and molding technique
  • Fine porous ceramic used as ceramic mold and molding technique
  • Fine porous ceramic used as ceramic mold and molding technique

Examples

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Embodiment Construction

[0004] Select hard porcelain and strengthened porcelain raw materials as basic raw materials, slightly reduce or even discard the clay and electrolyte used to adjust the physical properties of raw materials, and add 1%-5% of any organic matter around you (for example: rice, flour, starch, bran, etc.) And the corresponding leavening agent example: flour is added with fermented old noodles at the same time, and rice is added with rice) as raw materials for new molds. After ball milling to achieve the fineness of hard porcelain and reinforced porcelain raw materials, stop ball milling for one to two days, let the yeast further decompose the already very small organic particles, and ball mill again for 6 hours to make the distribution of organic matter more uniform and the raw materials more refined . The raw material is made into a green body according to the requirements of the mold, without glazing or partly glazing as required, and fired according to the requirement that the s...

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PUM

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Abstract

The invention relates to a new ceramic mold material and a molding technique for replacing gypsum mold and technique needed by traditional ceramic mold technique. Compared with a traditional mold, the inventive mold has the advantages of high strength, long service (a single mold can be used for more than million times), high preciseness, small number of needed single variety mold (hundreds of molds are needed in the traditional technique, while 2-3 molds are needed for the new material rolling technique, 6-8 molds are needed for pressure casting to achieve continuous production), and the like. The popularization of the mold and molding technique can radically change the existing ceramic production situation, save resources and energies, reduce pollution, enhance efficiency and product quality, and provide conditions for modernization and automation of ceramic production.

Description

technical field [0001] The invention relates to a novel ceramic production mold material and molding process. Background technique [0002] At present, gypsum is basically used as the mold material in ceramic production all over the world (except for building ceramics), and tens of millions of tons of gypsum are needed every year. It mainly uses the porous structure of gypsum materials. According to the principle of entropy increase, during the molding process such as grouting or rolling, mud Or the moisture with high density in the mud strip diffuses into the mold with low moisture density after drying to form a green body, and shrinks and separates from the mold to obtain a green body. This process takes a long time (it takes about 20 minutes for rolling and stripping, and about 1 hour for grouting), and it takes longer when the drying conditions are poor. Since the strength of the plaster mold is not high, it will become more prominent after being exposed to water, and t...

Claims

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Application Information

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IPC IPC(8): B28B7/34
Inventor 胡敏渝
Owner 胡敏渝
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