What are some tips for casting metal at home?


Quick Answer

When casting metal at home, invest in a compact metal foundry that uses readily available materials. Consider using wood charcoal instead of natural gas as fuel. Locate a local commercial foundry to find casting sand and other materials, and use materials with relatively low melting temperatures such as aluminum.

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Full Answer

Handling molten metal is extremely dangerous, and great care should be exercised at all times. Do not take shortcuts when finding the supplies and materials or building the equipment necessary to cast metal, as unexpected reactions can produce dangerous conditions leading to property damage and fatal injury.

In a typical home aluminum foundry, beginners in the metal casting trade often accidentally overheat the aluminum while completing the mold. If the aluminum is bright red inside the crucible at this point, it is too hot. Reduce the air-feed flow so that the metal can simmer while the mold takes form. Before pouring the metal casting, dig a small pour basin into the pattern, digging an inch into the sprue pin and cutting a channel directly from it to the pit. When pressing the sand around the basin, take care not to let any material fall into the hole left by the riser pin.

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