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1. WO2020096662 - SYSTEMS AND METHODS FOR FINISHING ADDITIVELY MANUFACTURED PARTS

Publication Number WO/2020/096662
Publication Date 14.05.2020
International Application No. PCT/US2019/042734
International Filing Date 22.07.2019
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 50/02 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
50Data acquisition or data processing for additive manufacturing
02for controlling or regulating additive manufacturing processes
Applicants
  • ARCONIC INC. [US]/[US]
Inventors
  • FRIDY, Joseph, M.
  • MORALES, Raphael, S.
  • LEONARD, Stephen, B.
Agents
  • SOVESKY, Robert, J.
  • BLYTH, Gareth, M.
  • ANDERSON, Jaimie, R.
  • CAPRIOTTI, Roberto
  • CORRAD, Sean, M.
Priority Data
62/757,83609.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS AND METHODS FOR FINISHING ADDITIVELY MANUFACTURED PARTS
(FR) SYSTÈMES ET PROCÉDÉS DE FINITION DE PIÈCES OBTENUES PAR FABRICATION ADDITIVE
Abstract
(EN)
A system and method for producing lattice supports capable of degradation and an article produced therefrom are provided. The method comprises forming a part configured as a first electrode from metallic powder in a powder bed deposition region of an additive manufacturing apparatus. The part is restrained in the powder bed deposition region by an open-cell lattice formed from the metallic powder. The open-cell lattice comprises an unbound region and a bound region. The unbound region is adapted to form a void. A frame is formed and configured as a second electrode from the metallic powder in the powder bed deposition region of the additive manufacturing apparatus. The frame is in communication with and is adapted to restrain the open-cell lattice.
(FR)
L'invention concerne un système et un procédé de production de supports en treillis aptes à la dégradation, et un article produit à partir de ceux-ci. Le procédé consiste à former une pièce conçue comme première électrode à partir de poudre métallique dans une région de dépôt de lit de poudre d'un appareil de fabrication additive. La pièce est retenue dans la région de dépôt de lit de poudre par un treillis à alvéoles ouvertes formé à partir de la poudre métallique. Le treillis à alvéoles ouvertes comprend une région non liée et une région liée. La région non liée est conçue pour former un vide. Un cadre est formé et conçu comme seconde électrode à partir de la poudre métallique dans la région de dépôt de lit de poudre de l'appareil de fabrication additive. Le cadre est en communication avec le treillis à alvéoles ouvertes et est conçu pour retenir ce dernier.
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