Generative Manufacturing Methods in the Foundry

PGF 2019
Taschenbuch der GIESSEREI PRAXIS
Manufacturing Processes

Generative manufacturing methods (also called additive manufacturing) are methods for the rapid, toolless fabrication of patterns, moulds, patterns, prototypes, tools and end products. These products are manufactured directly from CAD data. Component costs are independent of complexity, which is why customised single components or small series can be produced at lower cost compared to conventional methods. Formless substances (liquids, powders and the like) or form-neutral materials are used to produce work pieces by employing chemical or physical properties. The fields of application for these manufacturing methods have expanded by leaps and bounds, and can be classified as follows:

  • Use as a pattern/prototype: Rapid prototyping
  • Use as a tool: Rapid tooling
  • Use as a component: Rapid manufacturing

3D printing
3D printing is a production process in which layers are applied one on top of the other to produce a three-dimensional, solid object from a digital model. With printing systems on a metal basis, the printed volume is generally the part itself.

Sand systems (see binder systems table) are used to produce moulds and mould sections for liquid metal casting.


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