Abstract: A manufacturing method uses layered slabs to create a final pattern for a mold or for creating the mold itself. The method includes: preparing a desired number of slabs including a first slab and a second slab; machining the first slab; machining the second slab; and after the second slab is coupled to the first slab, repeating the machining step for each additional slab included in the desired number of slabs to form the final pattern or mold.
Type:
Grant
Filed:
May 18, 2021
Date of Patent:
June 21, 2022
Assignee:
DEERE & COMPANY
Inventors:
Eric M. Johnson, Matthew Frank, Hema V. Guthy, Kalathur Pattabiraman, Ali Tayh, Darren J. Hellman, Michael C. Paisley
Abstract: A process for casting a turbine engine component is provided. The process comprises the steps of placing a refractory core assembly comprising two intersecting plates in a die, encapsulating the refractory core assembly in a wax pattern having the form of the turbine engine component, forming a ceramic shell mold about the wax pattern, removing the wax pattern, and pouring molten material into the ceramic shell mold to form the turbine engine component.
Type:
Application
Filed:
December 22, 2010
Publication date:
June 16, 2011
Applicant:
UNITED TECHNOLOGIES CORPORATION
Inventors:
Ronald R. Gagnon, JR., John R. Farris, Eric A. Hudson