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A method for weight control of electrophoretic deposition ceramic green body

An electrophoretic deposition and weight control technology, which is applied in the direction of ceramic molding machines, manufacturing tools, auxiliary molding equipment, etc., can solve the problems of less tool equipment and programming, and the difficulty of controlling the weight of ceramic green bodies, so as to facilitate programming and control. , the effect of improving work efficiency

Active Publication Date: 2017-02-01
中国东方电气集团有限公司
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Problems solved by technology

[0004] The present invention aims to provide a weight control method of electrophoretic deposition ceramic green body, which adopts less and simple tool equipment and programmed operation method to solve the difficulty in the weight of ceramic green body caused by the change of slurry in the electrophoretic deposition process. Issues of control to ensure consistent target weight ceramic green articles in continuous electrophoretic deposition processes

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  • A method for weight control of electrophoretic deposition ceramic green body

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Embodiment 1

[0024] Below in conjunction with the appendix of the present invention figure 1 , to further describe the method for controlling the weight of the electrophoretic deposition ceramic green body provided by the invention, its specific steps and principles are described as follows:

[0025] (1) First turn on the two-way pump 7 to reverse, pump the slurry in the electrophoresis tank 3 back to the slurry tank until all the slurry in the electrophoresis tank 3 is pumped out, and weigh the weight of the slurry in the slurry tank (The mass of the slurry tank is not included, and the total weight is obtained by subtracting the tare weight of the slurry tank).

[0026] (2) Put the tray mold 1 into the electrophoresis tank 3, and weigh the tray mold 1 (The tray mold is formed by connecting the tray and the mold, the ceramic green body is deposited on the mold, and the tray is used to fix the mold for easy weighing).

[0027] (3) Turn on the two-way pump 7 to rotate forward and delive...

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Abstract

The invention discloses a weight control method for an electrophoretic deposition ceramic green body. The method comprises the following steps: conveying all slurry in an electrophoresis tank to a slurry tank; weighing the slurry in the slurry tank; putting a tray mold into the electrophoresis tank; weighing the tray mold; conveying the slurry in the slurry tank to the electrophoresis tank till the mold is submerged in the slurry in the electrophoresis tank; weighing the buoyant weight of the tray mold; setting the target weight of the ceramic green body in a control system; inputting the weights into the control system; calculating the buoyant weight of the ceramic green body; when the buoyant weight of the ceramic green body measured by the control system is up to a target value, stopping a working power supply through the control system; ending electrophoretic deposition of the ceramic green body of a target weight. By adopting the method, the problem of difficulty in controlling the weight of the electrophoretic deposition ceramic green body is solved effectively. An adopted device is simple, small in investment and programmable in operation and control, and is very suitable for batch automatic production of electrophoretic deposition ceramic products.

Description

technical field [0001] The invention relates to the technical field of ceramic electrophoresis deposition molding, in particular to a method for controlling the weight of an electrophoretic deposition ceramic green body. Background technique [0002] Electrophoretic deposition is an important field of ceramic forming technology, which has the advantages of simple equipment, fast forming speed and large-scale production. The principle of electrophoretic deposition of ceramics is that charged ceramic particles or colloids suspended in a liquid solvent move to the oppositely charged electrode surface under the action of an electric field and form a deposition layer. Compared with traditional molding and isostatic pressing molding techniques, electrophoretic deposition can avoid the problem of ceramic grain alignment under pressure, thereby avoiding the anisotropy of the physical and chemical properties of ceramic products, which is suitable for those requiring consistent physic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B1/00B28B17/00
CPCB28B1/00B28B17/00
Inventor 唐光盛杨隽林久李敏
Owner 中国东方电气集团有限公司
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