LASER ASSISTED CASTING OF SURFACE TEXTURE AND RELATED SYSTEM

摘要

Various embodiments include methods and related systems for laser-assisted casting. Some embodiments include a method including: performing laser ablation to a preliminary wax casting model to form a modified wax model including at least one surface texture element absent from the wax casting substrate; coating the modified wax model to form a mold shape around the modified wax model; and removing the modified wax model to leave a casting mold including the at least one surface texture element.

主权项

1. A system comprising:
a laser system programmed to perform laser ablation to a preliminary wax casting model to form a modified wax model of a turbomachinery part including at least one surface texture element absent from the preliminary wax casting model, wherein the performing of the laser ablation includes applying an ultra-short-pulse laser to the preliminary wax casting model to directly vaporize a portion of the preliminary wax casting model, forming the at least one surface texture element, wherein the surface texture element includes a microchannel having an aspect ratio of approximately 1 to approximately 10; an imaging system for scanning the modified wax model of the turbomachinery part to image the at least one surface texture element after the performing of the laser ablation; a coating system for coating the modified wax model of the turbomachinery part to form a mold shape around the modified wax model of the turbomachinery part, and removing the modified wax model of the turbomachinery part to leave a casting mold including the at least one surface texture element; and a casting system for casting a shape from a casting material using the casting mold having the at least one surface texture element.