Casting blade wheels of hydrodynamic component having partially lost casting mold, comprises forming casting mold on side of blade wheel facing the working chamber of hydrodynamic component, and forming casting mold as sand mold

摘要

Casting blade wheels (3, 4) of a hydrodynamic component having an at least partially lost casting mold (11), comprises forming the casting mold on the side of the blade wheel made of a ceramic part (8), facing the subsequent working chamber (5) of the hydrodynamic component, and forming the casting mold on the side facing away from the subsequent work chamber of the hydrodynamic component, as a sand mold (10).