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Edelstahlguss Sandguss

Hand-Mould Casting

Complex geometries like turbine and pump components or even works of art are produced by means of hand-mould casting.

Hand-made and condensed sand moulds are suitable for casting individual elements and limited-production parts weighing approx. 5 kg, up to plus-sized parts weighing up to 35 tons. Hand-mould casting involves the use of boxes reaching dimensions of 5,000 x 5,000 x 6,000 millimeters and capable of containing up to 150 tons of moulding material.

Generally, this procedure uses chromite sand in the pattern area and quartz sand for back-filling box. The molding boxes are filled with so-called flow mixers in which the sands are mixed together with resin and hardeners.