What is vacuum casting?

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What is vacuum casting?

Last updated on Mar 20, 2023

Vacuum casting is a manufacturing process used to make small numbers of high-quality plastic parts.

The process involves creating a mold of the desired part, usually out of silicone. The mold is then placed in a vacuum chamber, and a liquid plastic resin is poured into the mold. The vacuum is then turned on, which removes any air bubbles from the resin, resulting in a high-quality part with a smooth surface finish.

The mold is then removed from the vacuum chamber, and the part is extracted from the mold. This process can be used to make parts with complex geometries and can produce parts with different textures, colors, and even transparency.

Vacuum casting is widely used in prototyping and low to medium volume production runs as it is a cost-effective way to produce small quantities of parts that are comparable in quality to injection-molded parts but at a fraction of the cost.

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What is vacuum casting?