Sacrificial layers in selective deposition-based additive manufacturing of parts
US11446862B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2018 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | May 20, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00569
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.