VERFAHREN UND VORRICHTUNG ZUM HERSTELLEN VON KERNEN AUS GRUENSAND

摘要

An apparatus and method for making cores from green sand continuously and automatically. The method comprises blowing the green sand together with compressed air into a die cavity formed by a pair of dies, stabbing the green sand filled in the die cavity by stabbing rods to compact the green sand thereby to form a core, and applying a surface stabilizing agent to the surface of the core taken out from the dies, followed by drying of the core. Disclosed also is an apparatus suitable for carrying out this method.