VACUUM CASTING

Vacuum casting is a rapid prototyping method which enables large scale production. To make casts, the first thing necessary is to manufacture a piece (master model) in stereolithography. The print of this piece is then created, in a silicone mold. Polyurethane resin is then injected, in a vacuum. After it has solidified, the casts are demolded. In order to achieve an output approximate to what to expect in reality, our prototypists need to deburr them.

 

ADVANTAGES WITH VACUUM CASTING

It is possible to use flexible, transparent or rigid materials with mechanical and thermal characteristics close to those of the materials used in serial production.
The finish of the moldings is very similar to that of the injected parts.
This technology allows for the creation of overmoldings and also the addition of inserts
The pieces obtained from vacuum casting are through-coloured

DISADVANTAGES WITH VACUUM CASTING

It is necessary to consider the lifespan of the mold allowing for the creation of casts
This technology allows only the production of polyurethane (PU) resin pieces

Our strong points

Large panel of technical resins – bi-matierial moldings (flexible / rigid) or overmolding

Insertion of metallic inserts

The vast majority of these materials can be mass-tinted (single colour or multi-colour) or transparent

Realistic surface state: glossy, satin, grained, frosted … – CEM painting – …

In the case of sub-assemblies, we will ensure functionality and assembly

Applications

Pre-series – need for quantity

Realistic and aesthetic pieces

Creation of flexible pieces (35 to 90 Shore A)

Functional tests: the physical, mechanical, thermal and aesthetic qualities of the pieces are close to the injection ones

The finishes we offer are as follows…

Offered Material

Accura 25: White colour resin. An accurate and flexible plastic which is ideal for assemblies with instant adaptation, master models for vacuum molding and functional and durable prototypes, with the appearance of polypropylene (PP).

Clearvue: Translucent or transparent resin depending on the finish. It’s a very clear kind of plastic with excellent resistance to humidity, suitable for several kinds of applications in which transparency is essential, such as headlights, complex assemblies or fluid flows. This plastic has an appearance of a transparent polycarbonate (PC).

Evolve: White colour resin. This resin is adapted for applications where mechanical resistance is necessary. It is almost impossible to distinguish it from traditional finished thermoplastics, which makes it perfect for the manufacture of pieces and prototypes for functional test applications.

GP plus: White colour resin. This material mirrors production plastics like ABS (Acrylonitrile Butadiene Styrene) and PBT (Butylene Polyterephtalate), which makes it an ideal choice for practically any kind of application.

Next: White colour resin. This plastic has the look, feel and performance of a thermoplastic, but with a hardness, durability and accuracy which are not traditional characteristics in stereolithography resins.

HPC (Nanotool): Broken white resin. It is adapted for tests requiring a high temperature. It allows for the production of composite pieces which are robust, rigid and resistant to elevated temperatures and which are ideal for tooling and wind tunnel testing.

Taurus: A stereolithography which is extremely durable and resistant to high temperatures. Its robustness, combined with its anthracite gray appearance, makes it ideal for functional prototypes and accurate pieces which have an excellent surface quality and isotropic mechanical properties.

Xtreme: Grey colour resin with properties identical to those of Accura 25 resin.

Our equipments

2  MCP 5/01 : 400 x 400 x 400 mm

1  MCP 4/01 : 400 x 400 x 400 mm

1  MCP 003: 560 x 600 x 600 mm

1  MCP 4/04 : 900 x 750 x 600 mm

1  MCP 4/05 : 1 300 x 750 x 800 mm

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