Cluster models and shells for obtaining accessories for independent handling of molded parts and related methods

摘要

The invention mainly relates to a cluster model and a shell (1) for producing a plurality of turbomachine elements by lost wax casting. The shell (1) comprises a central sprue (3) fluidly connected to a casting cup (2) for receiving molten metal, and a plurality of shell elements (4). The shell (1) further comprises a plurality of bottom supply conduits (5) for the shell element (4) and a handling accessory shell (6). The handling accessory shell (6) is independent of the plurality of shell elements (4) and their metal supply circuit such that there is no fluid connection with the plurality of shell elements (4). The handling accessory shell (6) is fluidly connected to the central sprue (3) to enable top casting of the handling accessory shell (6).