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1. WO2018038750 - PRESSURE SENSING IN AN ADDITIVE MANUFACTURING SYSTEM

Publication Number WO/2018/038750
Publication Date 01.03.2018
International Application No. PCT/US2016/051303
International Filing Date 12.09.2016
IPC
B29C 67/00 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
67Shaping techniques not covered by groups B29C39/-B29C65/93
CPC
B29C 64/118
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
118using filamentary material being melted, e.g. fused deposition modelling [FDM]
B29C 64/209
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
20Apparatus for additive manufacturing; Details thereof or accessories therefor
205Means for applying layers
209Heads; Nozzles
B29C 64/393
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
393for controlling or regulating additive manufacturing processes
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
B33Y 30/00
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
30Apparatus for additive manufacturing; Details thereof or accessories therefor
B33Y 50/02
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
50Data acquisition or data processing for additive manufacturing
02for controlling or regulating additive manufacturing processes
Applicants
  • STRATASYS, INC. [US]/[US]
Inventors
  • BOSVELD, Michael, D.
Agents
  • IMS, Peter, J.
  • MAGEE, Theodore, M.
  • BRUSH, David, D.
  • KAUL, Brian, D.
  • WESTMAN, Nickolas, E.
Priority Data
62/378,48923.08.2016US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PRESSURE SENSING IN AN ADDITIVE MANUFACTURING SYSTEM
(FR) DÉTECTION DE PRESSION DANS UN SYSTÈME DE FABRICATION ADDITIVE
Abstract
(EN)
An additive manufacturing system (100) includes an extruder (118) that includes a drive mechanism (124), a nozzle (122), and a pressure sensor (140). The drive mechanism is configured to feed a molten consumable material. The nozzle is attached at a distal end (132) of the extruder and includes a nozzle tip (127), through which the molten consumable material is discharged as an extrudate. A pressure interface (146) is fluidically coupled to an interior cavity (142) of the nozzle. The pressure sensor is configured to operably measure a pressure within the interior cavity of the nozzle through the pressure interface.
(FR)
L'invention concerne un système de fabrication additive (100) comprenant une extrudeuse (118) qui comprend un mécanisme d'entraînement (124), une buse (122) et un capteur de pression (140). Le mécanisme d'entraînement est conçu pour alimenter un matériau consommable fondu. La buse est fixée à une extrémité distale (132) de l'extrudeuse et comprend une pointe de buse (127) à travers laquelle le matériau consommable fondu est évacué sous la forme d'un extrudat. Une interface de pression (146) est en communication fluidique avec une cavité intérieure (142) de la buse. Le capteur de pression est conçu pour mesurer de manière fonctionnelle une pression à l'intérieur de la cavité intérieure de la buse par l'intermédiaire de l'interface de pression.
Also published as
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