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1. WO2020089538 - ADDITIVE MANUFACTURING MACHINE WITH MOVABLE, CONTROLLED POWDER DISPENSING

Publication Number WO/2020/089538
Publication Date 07.05.2020
International Application No. PCT/FR2019/052431
International Filing Date 14.10.2019
IPC
B22F 3/105 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
105by using electric current, laser radiation or plasma
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
B33Y 30/00 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
30Apparatus for additive manufacturing; Details thereof or accessories therefor
CPC
B22F 2003/1056
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; ; Presses and furnaces
10Sintering only
105by using electric current ; other than for infra-red radiant energy; , laser radiation or plasma
1055Selective sintering, i.e. stereolithography
1056Apparatus components, details or accessories
B22F 2003/1057
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; ; Presses and furnaces
10Sintering only
105by using electric current ; other than for infra-red radiant energy; , laser radiation or plasma
1055Selective sintering, i.e. stereolithography
1056Apparatus components, details or accessories
1057for control or data processing, e.g. algorithms
B22F 2999/00
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
2999Aspects linked to processes or compositions used in powder metallurgy
B22F 3/1055
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; ; Presses and furnaces
10Sintering only
105by using electric current ; other than for infra-red radiant energy; , laser radiation or plasma
1055Selective sintering, i.e. stereolithography
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
Applicants
  • ADDUP [FR]/[FR]
Inventors
  • EFFERNELLI, Albin
  • CARLAVAN, Cédric
Agents
  • BARASCOU, Frédéric
Priority Data
18/5955416.10.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) ADDITIVE MANUFACTURING MACHINE WITH MOVABLE, CONTROLLED POWDER DISPENSING
(FR) MACHINE DE FABRICATION ADDITIVE COMPRENANT UNE DISTRIBUTION DE POUDRE MOBILE ET REGULEE
Abstract
(EN)
The invention relates to an additive manufacturing machine (10) comprising a work surface (18) including a work area (20) for receiving a stack of different powder layers, a powder dispensing device (32) comprising a powder inlet (36) for delivering powder above the work surface. The powder dispensing device (32) comprises a powder reservoir (44) movably mounted above the work surface (18), which can move to below the powder inlet (36), the lower portion (45) of the reservoir (44) comprises a powder dispensing point (P1), and the powder dispensing device (32) comprises a control device (48) for controlling the flow of powder through the powder dispensing point during the movement of the reservoir. According to the invention, the reservoir (44) is mounted on a load cell (68).
(FR)
L'invention concerne une machine (10) de fabrication additive comprenant un plan de travail (18) comprenant une zone de travail (20) permettant de recevoir une superposition de différentes couches de poudre, un dispositif de distribution de poudre (32) comprenant une arrivée de poudre (36) permettant de délivrer de la poudre au-dessus du plan de travail. Le dispositif de distribution de poudre (32) comprend un réservoir (44) de poudre monté mobile au-dessus du plan de travail (18) et pouvant se déplacer jusque sous l'arrivée de poudre (36), la partie basse (45) du réservoir (44) comprend un point de distribution de poudre (P1), et le dispositif de distribution de poudre (32) comprend un dispositif de commande (48) de l'écoulement de poudre via le point de distribution de poudre pendant un déplacement du réservoir. Selon l'invention, le réservoir (44) est monté sur un capteur de pesage (68).
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