In common for our casting processes

Melting

Fundo have used electricity in the furnaces for melting and holding since more than 40 years to achieve best metal quality and low material losses. The induction molten metal is then purified from oxides via impeller treatment with gas.

All molten Aluminium is grain refined and modified before transport to the casting machines. The chemical composition and other properties of the melt are checked by state-of-the-art methods.

Sand core manufacturing

For internal detail geometries that cannot be achieved with moving sliders in the casting tools, disposable cores of sand are used. Manufacturing of these sand cores takes place according to the Coldbox method. In even more complicated geometries, the sand cores are glued to a core package before casting. To achieve even better surface finish on the casting, the sand cores are often coated.

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