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1. WO2020072638 - ADDITIVE MANUFACTURING SYSTEM WITH FIXED BUILD PLATE

Publication Number WO/2020/072638
Publication Date 09.04.2020
International Application No. PCT/US2019/054285
International Filing Date 02.10.2019
IPC
B22F 3/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
10Sintering only
B22F 7/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
7Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
02of composite layers
B23K 13/01 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
13Welding by high-frequency current heating
01by induction heating
CPC
B23K 26/064
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
06Shaping the laser beam, e.g. by masks or multi-focusing
064by means of optical elements, e.g. lenses, mirrors or prisms
B23K 26/082
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
08Devices involving relative movement between laser beam and workpiece
082Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 26/0876
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
08Devices involving relative movement between laser beam and workpiece
0869Devices involving movement of the laser head in at least one axial direction
0876in at least two axial directions
B23K 26/10
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
08Devices involving relative movement between laser beam and workpiece
10using a fixed support ; , i.e. involving moving the laser beam
B23K 26/342
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
34Laser welding for purposes other than joining
342Build-up welding
B23K 26/702
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
70Auxiliary operations or equipment
702Auxiliary equipment
Applicants
  • VULCANFORMS INC. [US]/[US]
Inventors
  • SWEETLAND, Matthew
Agents
  • SOLAR, Max
  • ALAM, Saad
  • AMUNDSEN, Eric, L.
  • ATTISHA, Michael, J.
  • BAKER, C., Hunter
Priority Data
62/741,83605.10.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ADDITIVE MANUFACTURING SYSTEM WITH FIXED BUILD PLATE
(FR) SYSTÈME DE FABRICATION ADDITIVE DOTÉ D'UNE PLAQUE DE CONSTRUCTION FIXE
Abstract
(EN)
Disclosed embodiments relate to additive manufacturing systems. In some embodiments, an additive manufacturing system includes a fixed build plate, and a build volume extends above the fixed build plate. A boundary of the build volume may be defined by a powder containing shroud that is vertically displaceable relative to the fixed build plate. A powder deposition system is configured to deposit a powder layer along an upper surface of the build volume and the powder deposition is vertically displaceable relative to the fixed build plate. An optics assembly configured to direct laser energy from one or more laser energy sources towards the build volume, and exposure of the powder layer to the laser energy melts at least a portion of the powder layer. In some embodiments, the build plate may be supported by support columns configured to maintain the build plate in a level orientation throughout a build process.
(FR)
L'invention concerne, dans des modes de réalisation, des systèmes de fabrication additive. Dans certains modes de réalisation, un système de fabrication additive comprend une plaque de construction fixe; et un volume de construction s'étend au-dessus de la plaque de construction fixe. Une limite du volume de construction peut être définie par une enveloppe contenant de la poudre qui peut être déplacée verticalement par rapport à la plaque de construction fixe. Un système de dépôt de poudre est conçu pour déposer une couche de poudre le long d'une surface supérieure du volume de construction et le dépôt de poudre peut être déplacé verticalement par rapport à la plaque de construction fixe. Un ensemble optique est conçu pour diriger une énergie laser depuis une ou plusieurs sources d'énergie laser vers le volume de construction; et l'exposition de la couche de poudre à l'énergie laser fait fondre au moins une partie de la couche de poudre. Dans certains modes de réalisation, la plaque de construction peut être portée par des colonnes de support conçues pour maintenir la plaque de construction selon une orientation plane tout au long d'un processus de construction.
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