What are the casting methods of silica sol investment casting?

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  • By:Lithuanian Trade

From a professional point of view, precision casting is a forging method compared to traditional forging processes. Its key feature is the ability to achieve a more accurate look, and the forging features are also good. Therefore, we can flexibly and effectively use these two aspects to obtain high-quality castings. Can precision casting be made into thick-walled forgings?

Silica sol investment casting is a type of forging. Its case is heated at a high temperature. If the forging rate is slow, thick-walled castings can be obtained. Therefore, there is no doubt that the answer to this question is aluminum die casting, if not light metal.

There are many kinds of precision castings. Among them, aluminum dihydrogen phosphate precision castings are mainly used for some high-precision parts, and some castings with complex structures, high surface smoothness, and large standard tolerances.

In silica sol investment casting, water-soluble cores can be used as cores, but there are specific requirements. Generally speaking, if the forged structure is not conducive to the ejection work, a water-soluble core can be used on the core to achieve excellent ejection results. Is pickling and passivation required in the whole process of investment casting production? From a professional point of view, it depends on the specific situation. If there is dirt or scale on the surface of the casting, pickling and passivation treatment are required to facilitate operations such as removal of these and passivation treatment. If not, no training is required. Therefore, this question is difficult to answer, because it needs to look at the specific situation before making a decision. 

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