Rapid Prototyping

The third type of rapid prototyping used at Shelmet Precision Casting, Inc. is stereolithography. Stereolithography is a technology commonly used to produce parts containing a good finish and a high degree of accuracy.

Stereolithography uses a liquid resin and laser to build a prototype layer by layer. By scanning the CAD design, cross sections of the design are built of a liquid photopolymer resin layer by layer, resulting in an extremely accurate prototype.

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Rapid Prototyping - Part 2

The second type of rapid prototyping employed at Shelmet Precision Casting, Inc is molds made with epoxy or silicon.

Made by using pourable epoxies or silicon rubbers, these molds are designed for tooling and offer a high degree of accuracy.

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Rapid Prototyping - Machining Wax

There are three different methods of rapid prototyping used at Shelmet Precision Casting, Inc. These methods allow small quantity productions to be completed featuring actual cast parts, which can be shipped in a week or two.

The first method of rapid prototyping uses a very hard machining wax. This wax is specifically designed for proofing and CNC programs, as well as for building models, prototypes and patterns. Machining wax is easier to machine than plastic or metals, yet maintains the highest quality of finish. Dimensional accuracy and surface details are also maintained with the use of machining wax in rapid prototyping.

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