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1. (WO2018128747) SYSTEMS AND METHODS FOR ADDITIVE MANUFACTURING RECOATING

Pub. No.:    WO/2018/128747    International Application No.:    PCT/US2017/065036
Publication Date: Fri Jul 13 01:59:59 CEST 2018 International Filing Date: Fri Dec 08 00:59:59 CET 2017
IPC: B29C 64/214
B29C 64/141
B33Y 30/00
B33Y 40/00
Applicants: GENERAL ELECTRIC COMPANY
Inventors: SHI, Jinjie
BOGDAN, David, Charles, Jr.
CARTER, William, Thomas
HAYDEN, Christopher
Title: SYSTEMS AND METHODS FOR ADDITIVE MANUFACTURING RECOATING
Abstract:
A recoating device for an additive manufacturing system includes a plurality of recoater blades which include a first stage and a second stage. The first stage includes a plurality of rows of the plurality of recoater blades and extends in the transverse dimension. The second stage includes a plurality of recoater blades and is configured substantially similar to the first stage of the plurality of recoater blades. The second stage of recoater blades is displaced from the first stage of recoater blades in the vertical dimension.