Casting mechanic during open casting of the melt at FEINGUSS BLANK design-line
Ceramic dipping of the wax trees at FEINGUSS BLANK design-line
Employees of FEINGUSS BLANK during machining and assembly design-line
Automated production of wax model at FEINGUSS BLANK design-line

Investment casting process

The creation of a precision casting

The creation of an precision casting is divided into different steps. Below you will find all the details about the precision casting process.

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Feinguss Blank USA Inc.
Christoph Dietz

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P: +49 7371 182-0

  • First step – Tool production

    Your drawing/3-D-data are the basis for our design engineers to develop a suitable tool for your component.

  • Second step – Producing and assembling the wax model

    The production of the cast part starts in the wax room. We use injection tools and machines to produce the wax models.
    Afterwards, they are glued together to clusters.

  • Third step - Dipping

    The clusters are dipped in a special ceramic mass and are then coated with sand. This is how the ceramic shell is formed. The pureness and quality of the material is essential for the later component.

  • Fourth step – Melting out and burning the ceramic shell

    After the ceramic shells have dried, the wax is melted out. Then, the empty shells are burned at temperatures over 1000°C. The most important function of the burning is to give the required firmness and stability to the ceramic shell.

  • Fifth step - Casting

    The melted metal is poured into the hot ceramic shell.

    The most important factors for producing a high quality cast part are:

    • analysis of the melt
    • casting temperature
    • shell temperature
  • Sixth step – Cutting, grinding, fettling

    After the poured mass has solidified, the shell is removed. The cast parts are separated, blasted, fettled and possibly heat treated.
    They are now ready for dispatch or for a further mechanical treatment.

  • Seventh step – Mechanical processing and assembly

    Each cast part can be mechanically processed and/assembled into a ready to use system, which we do in-house.

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