Patent ID: 9186720
Filing Date: 2015-11-17
Classification: B22C,B22D,F16C

Abstract:
1. A method of simultaneously manufacturing a plurality of crankshafts, the method comprising: positioning a core system having a plurality of individual cores within a cavity of a mold having a first half and a second half forming an exterior shape of the plurality of crankshafts, wherein: introducing into the cavity via a mechanism a molten metal to form the plurality of crankshafts, including flowing the molten metal into the cavity and around the plurality of individual cores to simultaneously form a hollow section extending through at least one of the plurality of pin bearing journals and at least one of the plurality of main bearing journals of each of the plurality of crankshafts; and removing the core system from the plurality of crankshafts to thereby expose the hollow section in each of the plurality of crankshafts.