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1. WO2020202147 - METHOD AND SYSTEM FOR LEVELING A LAYER IN FREEFORM FABRICATION

Publication Number WO/2020/202147
Publication Date 08.10.2020
International Application No. PCT/IL2020/050387
International Filing Date 30.03.2020
IPC
B29C 64/112 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
106using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
112using individual droplets, e.g. from jetting heads
B29C 64/194 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
188involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
194during lay-up
B33Y 10/00 2015.01
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
B29C 64/386 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
30Auxiliary operations or equipment
386Data acquisition or data processing for additive manufacturing
CPC
B29C 64/112
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
106using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
112using individual droplets, e.g. from jetting heads
B29C 64/194
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
188involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
194during lay-up
B29C 64/386
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
30Auxiliary operations or equipment
386Data acquisition or data processing for additive manufacturing
B33Y 10/00
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
Applicants
  • STRATASYS LTD. [IL]/[IL]
Inventors
  • GLASSMAN, Barak
Agents
  • EHRLICH, Gal
Priority Data
62/827,09431.03.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND SYSTEM FOR LEVELING A LAYER IN FREEFORM FABRICATION
(FR) PROCÉDÉ ET SYSTÈME DE MISE À NIVEAU D'UNE COUCHE DANS UNE FABRICATION DE FORME LIBRE
Abstract
(EN)
A method of fabricating an object in layers, comprises, for at least one layer: dispensing a building material formulation to form a first portion of the layer, and leveling the first portion by a leveling device; increasing a vertical distance between the first portion and the leveling device; and while a topmost surface of the first portion is exposed and beneath a segment of the leveling device: dispensing a building material formulation to form a second portion of the layer, laterally displaced from the first portion along an indexing direction, and leveling the second portion by the leveling device.
(FR)
L'invention concerne un procédé de fabrication d'un objet en couches comprenant, pour au moins une couche : la distribution d'une formulation de matériau de construction pour former une première partie de la couche et la mise à niveau de la première partie par un dispositif de mise à niveau ; l'augmentation d'une distance verticale entre la première partie et le dispositif de mise à niveau ; et tandis qu'une surface la plus au-dessus de la première partie est exposée et en dessous d'un segment du dispositif de nivellement : la distribution d'une formulation de matériau de construction pour former une seconde partie de la couche, déplacée latéralement par rapport à la première partie le long d'une direction d'indexation, et la mise à niveau de la seconde partie par le dispositif de mise à niveau.
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