Foundry Alumina Ceramic Foam Filter -sales@aluminiumceramicfiber.com

The application is more and more extensive, and the quality requirements for aluminum alloy castings are getting higher and higher. In addition to ensuring chemical composition, mechanical properties, and dimensional accuracy, castings are not allowed to have defects such as pores and shrinkage cavities. The foundry alumina ceramic foam filter can filter the slag in the aluminum solution, it is widely used for aluminum foundry.

The smelting of aluminum alloy is a very important process in the production process of castings. The production experience over the years has proved that the control of the smelting process is not strict, and the castings are prone to pinholes, oxidized slag, shrinkage, and other defects, directly affecting casting quality. Therefore, in order to obtain high-quality aluminum alloy castings, the smelting process must be strictly controlled.

Foundry Alumina Ceramic Foam Filter

The advantages of the foundry alumina ceramic foam filter molten aluminum filtration technology are that it is simple and easy to remove small and suspended slag inclusions and inclusions in the aluminum melt, thereby improving the quality of the ingot and has been widely used in many countries.

Filtering flow rate selects the alumina ceramic foam filter of the appropriate specification to have a certain filtration flow rate to ensure stable supply flow, which is more important for semi-continuous casting.

The filtration flow rate of the CFF filter plate is related to the through-hole ratio of the filter plate. For a filter plate of a certain size, the filtration flow rate is proportional to the through-hole ratio of the filter plate. When Foundry Casting Filtration, the large porosity particles in the aluminum melt have a blocking effect on the pores of the filter plate, which reduces the through-hole ratio.

In addition, the large surface particles that are not wet have a large surface tension, which will make it difficult for the aluminum melt to pass through the filter plate or make the melt flow smaller. Therefore, the melt refining should be strengthened, and the glass fiber may be pre-filtered.

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