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Vacuum casting
Vacuum casting
 The processUsing Vacuum Casting it is possible to produce a small series of copies from a master pattern. This technology is very interesting if you need prototypes at short term to be used in functional tests or to serve as visual models. Vacuum casting can be an economic interesting production technique even when a small amount of products is required. The required master pattern can be produced using FDM or Stereolithography.The master pattern will be finished according to the desired finishing level. Subsequently this pattern can be used to produce the silicone mould necessary for vacuum casting.
MaterialsUsing a silicone mould it is possible to cast many copies of a product in polyurethane. There are several types of polyurethane resins available with mechanical properties varying from rubber-like to very hard and strong. Filled (glass or carbon) materials are also available. Therefore it is possible for you to select a material, which simulates the properties of the material of your injection molding products for instance. The resins we use are also available in different colors.
A casting is an exact and accurate copy of the master pattern with the required mechanical properties. The quantity of castings possible with one mould is dependent of the product geometry and the used resin. Generally we guarantee a lifetime of 20 castings for each mould, however it is possible to achieve more, depending on the product geometry and type of resin.
Material properties
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