Investment casting − description of the process

In investment casting, the master patterns are 3D-printed from PMMA. Several patterns are added to a cluster and invested into a ceramic slurry which is hardened to form the mold. A furnace is used to melt out the wax-like master patterns, thus creating a cavity into which the metal (e.g. aluminum and zamak) can be poured. After cooling, the sprue is cut off. The surface of the produced parts is identical to the surface of the master pattern. Minimum wall thickness is 0.8 mm.
Investment casting − description of the process


  • High resolution
  • Good mechanical properties
  • Can be more cost-efficient than laser melting for big metal parts

Machine capacities

  • 1 x Indutherm VC300P
  • Envelope: Ø 300 x 600 mm

Available materials

  • Aluminum
  • Zamak

Finishing options

  • Blasting
  • Polishing
  • Milling
  • Turning
  • Metal Coating
  • Heat treatment
  • Lacquering


  • Ideal for technical castings
  • Production of individual and near-series metal prototypes and metal end products

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92331 Lupburg

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