What are the advantages of high pressure casting machines?

Why is high pressure casting machine equipment in the forming workshop of sanitary ware factory? What are the characteristics of high pressure casting machine parts? How to prevent the porosity of products produced by high pressure casting machine for sanitary ware tank?

l What are the characteristics of high pressure casting machine parts?

l What is porosity during high pressure casting?

l Methods to prevent porosity of high pressure casting machine parts

What are the characteristics of high pressure casting machine parts?

1. Through high pressure casting to achieve efficient production, short casting time, automatic operation labor saving.

2. We offer a wide range of models from small-scale production of large projects to continuous mass production

3. Simple structure and high reliability.

4. The structure is convenient for mold change and maintenance.

What is porosity during high pressure casting?

This porosity is found when there are small voids, holes, or air pockets in the metal. Usually, this porosity occurs when air is trapped into the metal by a die casting machine, often leaving gaps at the top of the die or filling the die too slowly and some solidification occurs prematurely. This also occurs when the air used to force the molten metal into the mold is not fully extruded or cannot escape through vents and spillages.

Methods to prevent porosity of high pressure casting machine parts

1. The severity of porosity varies. Sometimes it's acceptable, but most of the time it's best to limit it as much as possible. The most direct way to control porosity is to work with all your partners to create an efficient die casting process, while ensuring that the materials you use are of high quality. Process monitoring should focus on equipment maintenance and stability, which helps to ensure uniform and adequate pressure throughout the casting.

2. Pores are bubbles that form inside the casting as it cools and can be avoided by melting the material in a vacuum or in a low solubility gas environment, including argon. This porosity occurs because liquids can be naturally retained in dissolved gases. Sometimes this can be solved by exposing the molten material to another gas -- the two gases react and pull each other out of the liquid.

3. If the formation of oxides is responsible for the porosity, your material will also benefit from proper degassing after melting or filtration before using metal to make castings.

4. Hot cracks and hot spots are metallurgical defects due to problems in the cooling process. If this happens, you first need to ensure that your casting is cooled properly in that local area of the part. If hot spots persist, you will need to adjust cooling practices by applying more mold spray or adding more local cooling channels to the problem area.

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