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Vacuum Casting Service

Vacuum Casting Service

Get the complex feature and design versatility, suitable to the prototype and low-volume production. Good supplement to rapid prototype service.
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CreatingtecVacuum Casting Service

At Creatingtec, we deal with solving everything that involves creating a master pattern. We also cast copies using your CAD designs. In addition, we create top-notch molds as well as offer an extensive array of surface finishes. This includes sanding, painting, pad printing and so much more. We work with our clients in creating display models, crowdfunding ads, and samples. Here is further insight into the vacuum casting process and its entirety.

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Creatingtec

What Is Vacuum Casting?

Vacuum casting refers to a rapid prototyping method that uses a cost-effective silicone mold. We use it in making the top-notch low volume of parts. The copies we make through vacuum casting have a great surface detail that is quite similar to the original pattern.

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What Are the Pros of Vacuum Casting?
Firstly, its molds are quite cost-effective and we can make them in a matter of days. Secondly, there are an array of polyurethane resins available for casting. This allows us to even achieve over-molding. Thirdly, cast copies are usually very accurate and have an awesome surface texture. The molds are also durable and can achieve an output of 20+ copies. Finally, it is ideal for making models, prototypes, and samples. These are useful in bridging the gap to production.
What Are the Vacuum Casting Materials?
Over a hundred casting polymers exist in the current market. This allows us to achieve all manner of hardness and surface textures. We are thus able to create parts that are clear, translucent, or even opaque. This depends on how the client intends to use the part.

The Vacuum Casting Process

There are 3 main steps to the vacuum casting process. It follows the order of making the master pattern, creating the mold and finally casting the part.

Part 1:
Creating the Master Pattern

We make the master pattern from your CAD design. To achieve this, we use either 3D plastic printing like SLS/SLA or CNC machining. Our clients have the option of supplying their pattern or we make new ones for them. Patterns must withstand 40 degrees Celsius.

Part 2:
Creating the Mold

We usually create casting molds from liquid silicone. We begin by pouring the silicone around the master pattern in the casting box. We then allow it to cure inside the oven for over 16 hours. Upon drying, we cut open the mold cut and remove the master. This leaves behind an empty cavity the exact negative shape of the master pattern.

Part 3:
Casting Copies

We pour in your choice of casting resins into the empty cavity. This allows us to create a highly similar copy of the original. Moreover, we can over-mold it using two or more materials. Silicone molds ideally last for 20 or so copies.

Vacuum Casting Tolerances

A few factors determine the final dimensions of the vacuum cast parts. These include the part’s geometry, the accuracy of the master pattern, and the typecasting material we use. Our experts expect a shrinkage rate of 0.15%.

Why Choose Creatingtec Vacuum Casting Service?

Our years of service in the vacuum casting sector make us the ideal company to partner with. Contact us now if you have any further inquiries.

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