What should be noted for the cooling of castings produced by gravity casting machines?
Release time：2024-12-18
We know that gravity casting machines can produce products in many industries. Although different castings have different performance requirements and processing techniques according to the manufacturer's needs, they all have one thing in common, which is the cooling process for castings. Casting cooling is a process that is essential no matter what. Let us tell you what to pay attention to during the cooling process of castings.
Before cooling the casting, pay attention to whether the temperature of each part of the casting is the same. If the temperature is the same, the cooling operation can be carried out normally. If the temperature difference between the various parts of the casting is large, during the continuous cooling process, the thick walled part undergoes phase transformation and the volume increases in an elastic state. The thin-walled part will be stretched by the inner elastic layer, forming tensile stress, while the thick walled part will be compressed by the outer elastic layer, forming compressive stress.
The cooling process of castings can lead to uneven wall thickness, deformation, and even overall quality issues. So, Kuntai Casting Machine reminds you that manufacturers should pay attention to whether the temperature of each part of the casting is the same before cooling, and whether there is a large temperature difference, to avoid the cooling process affecting the quality of the casting during the indispensable cooling process after casting production.
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