Invention Grant
- Patent Title: Sacrificial layers in selective deposition-based additive manufacturing of parts
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Application No.: US16958906Application Date: 2018-12-28
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Publication No.: US11446862B2Publication Date: 2022-09-20
- Inventor: Zeiter Farah , Andrew Rice
- Applicant: Evolve Additive Solutions, Inc.
- Applicant Address: US MN Minnetonka
- Assignee: Evolve Additive Solutions, Inc.
- Current Assignee: Evolve Additive Solutions, Inc.
- Current Assignee Address: US MN Minnetonka
- Agency: Pauly, DeVries Smith & Deffner LLC
- International Application: PCT/US2018/067901 WO 20181228
- International Announcement: WO2019/133835 WO 20190704
- Main IPC: B29C64/147
- IPC: B29C64/147 ; B33Y10/00 ; B33Y50/02 ; B29C64/393 ; G03G15/22 ; G03G15/00 ; B33Y30/00

Abstract:
A method of operating a selective deposition-based additive manufacturing system capable of building a three-dimensional (3D) part includes developing a first layer using at least one electrostatographic engine, conveying the first layer from the at least one EP engine to a transfusion assembly, determining an anticipated transfusion overlay error for the first layer, determining whether the anticipated transfusion overlay error exceeds an overlay error specification, discarding the first layer after determining that the anticipated transfusion overlay error exceeds the overlay error specification, developing a successive layer using the at least one electrostatographic engine, conveying the successive layer from the at least one electrostatographic engine to the transfusion assembly, and transfusing the successive layer on a part build surface using the transfusion assembly to build the 3D part in a layer-by-layer manner on a part build platform.
Public/Granted literature
- US20200338814A1 SACRIFICIAL LAYERS IN SELECTIVE DEPOSITION-BASED ADDITIVE MANUFACTURING OF PARTS Public/Granted day:2020-10-29
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