A method for casting objects with an improved hub core assembly

Details A method for casting objects with an improved hub core assembly A method for casting objects with an improved hub core assembly

B - Operations, Transporting

22

D

B22D 18/02 (2006.01)

Patent

CA 2497230

A method of casting an object, usually a railroad wheel, is provided. A graphite mold having a drag section and a cope section has an opening in the drag section allowing molten metal to be fed upwardly by pressure into the cast object cavity. A stopper pipe assembly extends through centrally located openings in the cope section and the drag section. The hub core seals against an opening in the drag section upon cessation of pouring to keep molten metal in the cavity in the mold. The hub core assembly is comprised of refractory material which the molten metal contacts thereby allowing the reuse of the hub core assembly.

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