DIRECTIONAL SOLIDIFICATION COOLING FURNACE AND COOLING PROCESS USING SUCH A FURNACE

摘要

A directional solidification cooling furnace for metal casting part comprises: a cylindrical internal enclosure having a vertical central axis and a mold support arranged in the internal enclosure; the internal enclosure comprising a casting zone and a cooling zone, the casting zone and the cooling zone being superposed one on the other; the casting and cooling zones being thermally insulated from each other when the mold support is arranged in the casting zone by means of a heat shield that is stationary and by means of a second heat shield that is carried by the mold support; the casting zone including at least a first heating device, and the cooling zone including a second heating device.