Mold for a centrifugal impeller, mold inserts and method for building a centrifugal impeller

摘要

A mold to build a centrifugal impeller for a turbomachine characterized in that it comprises at least an annular insert ( 1 10) able to reproduce an annular assembly of aerodynamic vanes (13) of a finished impeller; said annular insert (110) being used to form aerodynamic vanes (13) and such that it can be readily removed from said mold during the molding process.