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[Our words] Vacuum casting

8/03/21

VACUUM CASTING, HOW DOES IT WORK ?

Vacuum casting allows the duplication of parts in small or medium series with low stroke and good flexibility.

This process is carried out in two stages.

  • First, silicone is poured around the part of interest in a pressurized chamber. Once hardens, a mold is obtained.
  • Secondly, a resin is injected under vacuum into this mold to form the desired part by hardening.
    The pressurized chamber makes it possible to expel the microbubbles present in the silicone or the resin during their shaping, and thus to obtain parts without porosity.

Vacuum casting technology allows the use of many different resins for all your prototypes with technical characteristics similar to injected plastics (PP, PA, PVC, PEEK, etc.). Many rigid and flexible resins are available: transparent, colored, resistant to fire, bending, impact, etc.

ADVANTAGES

  • Low cost of production
  • Wide variety of usable resin
  • Reproduction of very complex geometries
  • Very high quality of finish and great finesse of details (silicone has exceptional impression precision).

Coulée sous vide CSV500

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