Analysis of Wear of the Polymer Mold in the Production of Wax Casting Models of Aircraft Engine Blades

The purpose of the following article was to conduct an analysis of the surface topography illustrating the wear of the mold socket made via the additive technique as part of the production process of wax molding patterns of blades. The form has been made of RGD720 material via the application of the PolyJet printing method. Subsequently, a measurement has been taken via a contact method and the surface topography of the socket has been measured before and after completing 30 blade castings with the application of the TalyScan 150 3D profilometer. The Sa and Sz parameters have been generated via the application of the MautainsMap software. Based on the obtained results, one may conclude that a form made with the PolyJet method may, in the future, become an alternative to injection molds made of aluminum alloy in the process of the production of short blade casting series.