Azterlan I Centro de investigación metalúrgica
Patent

Bottom gas extraction system for manufacturing steel cast components with reduced inclusion content

A gas extraction system for extracting gas generated when casting metal articles by a sand moulding process using a casting device that comprises an upper sand mold, a lower sand mold and a support table for supporting the molds. The extraction system comprises a gas chamber located between the top surface of the support table and a bottom surface of the lower sand mold: The gas chamber isg connected to a vacuum pump.

Inventors:

Fernando Santos, David García, Hegoi Andonegi, Andrea Niklas.

Keywords:

Steel casting, sand molds, inclusions. 

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