Ceramic powder isostatic pressing mold
Ceramic powder dry bag isostatic pressing mold, ceramic powder DIP isostatic pressing plastic mold, ceramic dry bag molding extrusion elastomer flexible mold, ceramic molding is to obtain a ceramic body with uniform interior and high density. An important part of the ceramic preparation process, the molding technology largely determines the uniformity of the green body and the ability to prepare complex-shaped parts, and directly affects the reliability of the material and the cost of the final ceramic part.
The volume of the high-pressure chamber of the early equipment was small, and one pressurization was sufficient to achieve the required pressure. When the high-pressure chamber is deepened, the booster cylinder must be very large to achieve the required pressure, which is very inconvenient. In order to reduce the volume of the equipment, the technology of multiple pressurization has been introduced, and a smaller supercharger can be used after multiple pressurization, but the problem of the high pressure valve must be solved. The traditional high pressure valve is a needle valve with a diameter of only 3-5mm. Although it is small in size, it is easy to wear and difficult to maintain. To find a more durable high-pressure valve, you can find out that there is no off-the-shelf product after learning about the market. Jinkaiyuan once again independently developed it. After repeated material screening and many experiments, a high-pressure ball valve with a diameter of 10mm was designed. The valve seat is made of hard alloy, which is not easy to wear and tear, and the valve core and valve seat are relatively easy to replace, and maintenance is more convenient.
The sample to be pressed is placed in a high-pressure container, and the sample is uniformly pressurized from all directions by using the incompressibility of the liquid medium and the property of uniformly transmitting pressure. When the liquid medium is injected into the pressure container through the pressure pump, according to the principle of fluid mechanics , its pressure is unchanged and uniformly transmitted to all directions, and the method of forming a dense body from barren powder by the above method is called isostatic pressing.
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