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Sand Casting and Metal Casting Explained

During the sand casting process, liquefied metal is poured through a dispensable sand mold chamber by force or gravity. Here, it solidifies, forming the chamber shape part. The 3D object created from this process is referred to as casting.


Video Source

This video illustrates the process for better understanding.
The metal casting process involves forming metal shapes by spewing liquefied metal in a mold chamber where it’s cooled and extracted later after cooling. Metal casting is an ancient but popular industrial process used to make numerous metal objects. These include train wheels, automotive parts, and school bus pedals.

Some examples of how sand casting is used are the production of cylinder heads and engine blocks. The material is heated to the right temperature during the sand casting process to trigger melting. Sometimes the material is treated to change the chemical composition to accomplish the relevant material properties. The liquefied metal is then poured into a container with the preferred shape chamber to cool before solidifying.

Designers should consider various process requirements to create the ideal sand casting at a low price. They should also know the limitation of sand casting.

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