US 12,285,801 B2
Modular architecture for additive manufacturing
Andrew J. Bayramian, Marblehead, MA (US); April L. Cooke, Billerica, MA (US); Cote LeBlanc, Malden, MA (US); Drew W. Kissinger, Carlisle, MA (US); Francis L. Leard, Sudbury, MA (US); Harold W. Chittick, North Andover, MA (US); James A. DeMuth, Woburn, MA (US); Jeffrey Jarboe, Wakefield, MA (US); Joseph Gillespie, Boxford, MA (US); Kourosh Kamshad, Hudson, NH (US); Nicholas C. Ferreri, Portsmouth, NH (US); Ning Duanmu, Nashua, NH (US); Susanne Kras, Chelmsford, MA (US); Summer Kapuaimilia Mundon, Medford, MA (US); Yiyu Shen, Tewksbury, MA (US); and J. Thare MacDonald, Middleton, MA (US)
Assigned to Seurat Technologies, Inc., Wilmington, MA (US)
Filed by Seurat Technologies, Inc., Mountain View, CA (US)
Filed on May 26, 2021, as Appl. No. 17/331,014.
Claims priority of provisional application 63/030,757, filed on May 27, 2020.
Prior Publication US 2021/0370402 A1, Dec. 2, 2021
Int. Cl. B22F 10/28 (2021.01); B22F 12/00 (2021.01); B22F 12/30 (2021.01); B22F 12/41 (2021.01); B22F 12/52 (2021.01); B22F 12/67 (2021.01); B22F 12/90 (2021.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 40/00 (2020.01)
CPC B22F 10/28 (2021.01) [B22F 12/30 (2021.01); B22F 12/38 (2021.01); B22F 12/41 (2021.01); B22F 12/52 (2021.01); B22F 12/67 (2021.01); B22F 12/90 (2021.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 40/00 (2014.12)] 11 Claims
OG exemplary drawing
 
1. A print engine of an additive manufacturing system,
comprising:
a laser engine comprising a frame to hold at least one removable field replaceable unit that comprises at least some laser optics or patterning optics; and
a print station comprising;
a removable cartridge comprising a sealable chamber having a bed, a powder spreader configured to sweep powder across the bed, and a laser transparent window,
a galvo optical system, the galvo optical system further comprising;
an optical alignment system using a periscope in the removable field replaceable unit to align the removable field replaceable unit with respect to the bed in the removable cartridge; and
a print head mounted to an X-Y gantry,
wherein the print station is configured to hold the removable cartridge containing powder therein, wherein the print head is capable of traversing an entire area of the bed of the removable cartridge; and,
wherein the removable cartridge and the at least one removable field replaceable unit are removable from the print engine.