Erodible support structure for additively manufactured article and process therefor
US11685123B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2020 |
| Grant date | Jun 27, 2023 |
| Priority date | — |
| Expiry date | Jun 16, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of constructing an additive manufactured article with erodible support. The method includes computing a length of an overhanging geometry that extends from an inner surface of an additively manufactured article; determining points along the overhanging geometry determining an outside point and an inside point from the multiple of overhanging geometry points; determining an anchor point by moving from the inside point I antiparallel to the build direction by a distance sufficient to form an angle greater than a critical angle of the additive process; connecting the anchor point to the overhanging geometry points to form ligament segments; thickening the ligament segments to form a solid ligament to form the erodible support; and additively manufacturing the overhanging geometry from the inner surface of the additively manufactured article via the erodible support, the erodible support erodible during operation of the additively manufactured article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.