-
公开(公告)号：US20230150193A1
公开(公告)日：2023-05-18
申请号：US17956207
申请日：2022-09-29
Applicant: Desktop Metal, Inc.
Inventor： Emanuel Michael Sachs , George Hudelson , Paul A. Hoisington , Christopher Benjamin Renner , Keith Roy Vaillancourt , Edward Russell Moynihan
IPC: B29C64/165 , B33Y10/00 , B29C64/393 , B33Y50/02 , B29C64/209 , B33Y30/00 , B29C64/30 , B29C64/20 , B28B1/00 , B29C64/364 , B29C64/371 , B22F10/00 , B22F1/148 , B22F10/14 , B22F12/10 , B22F12/84 , B22F10/32
CPC classification number: B29C64/165 , B33Y10/00 , B29C64/393 , B33Y50/02 , B29C64/209 , B33Y30/00 , B29C64/30 , B29C64/20 , B28B1/001 , B29C64/364 , B29C64/371 , B22F10/00 , B22F1/148 , B22F10/14 , B22F12/10 , B22F12/84 , B22F10/32 , B22F2999/00 , B22F12/53
Abstract: Devices, systems, and methods are directed to the use of vapor phase change in binder jetting processes for forming three-dimensional objects. In general, a vapor of a first fluid may be directed to a layer of a powder spread across a build volume. The vapor may condense to reduce mobility of the particles of the powder of the layer. For example, the condensing vapor may reduce the likelihood of particle ejection from the layer and, thus, may reduce the likelihood of clogging or otherwise degrading a printhead used to jet a second fluid (e.g., a binder) to the layer. Further, or instead, the condensing vapor may increase the density of the powder in the layer which, when repeated over a plurality of layers forming a three-dimensional object, may reduce the likelihood of slumping of the part during sintering.
-
公开(公告)号：US20220250149A1
公开(公告)日：2022-08-11
申请号：US17292816
申请日：2019-11-08
Applicant: Desktop Metal, Inc.
Inventor： Michael A. Gibson , Alexander C. Barbati , George Hudelson , Robert J. Nick , Paul A. Hoisington , Brian D. Kernan
Abstract: Embodiments described herein relate to methods and systems for controlling the packing behavior of powders for additive manufacturing applications. In some embodiments, a method for additive manufacturing includes adding a packing modifier to a base powder to form a build material. The build material may be spread to form a layer across a powder bed, and the build material may be selectively joined along a two-dimensional pattern associated with the layer. The steps of spreading a layer of build material and selectively joining the build material in the layer may be repeated to form a three-dimensional object. The packing modifier may be selected to enhance one or more powder packing and/or powder flow characteristics of the base powder to provide for improved uniformity of the additive manufacturing process, promote sintering, and/or to enhance the properties of the manufactured three-dimensional objects.
-
公开(公告)号：US10940533B2
公开(公告)日：2021-03-09
申请号：US16166968
申请日：2018-10-22
Applicant: Desktop Metal, Inc.
Inventor： George Hudelson , Emanuel M. Sachs , Glenn A. Jordan , Midnight Zero
IPC: B22F1/00 , B22F3/18 , B22F3/16 , B33Y10/00 , B33Y30/00 , B22F3/24 , H05K3/10 , B29C64/236 , B29C64/194 , B29C64/343 , B22F3/00 , B29C64/214 , B29C64/218 , H05K3/12 , B22F3/105 , B29C64/329 , B33Y40/00 , B33Y50/02 , B29C64/165
Abstract: A system and corresponding method for additive manufacturing of a three-dimensional (3D) object to improve packing density of a powder bed used in the manufacturing process. The system and corresponding method enable higher density packing of the powder. Such higher density packing leads to better mechanical interlocking of particles, leading to lower sintering temperatures and reduced deformation of the 3D object during sintering. An embodiment of the system comprises means for adjusting a volume of a powder metered onto a top surface of the powder bed to produce an adjusted metered volume and means for spreading the adjusted metered volume to produce a smooth volume for forming a smooth layer of the powder with controlled packing density across the top surface of the powder bed. The controlled packing density enables uniform shrinkage, without warping, of the 3D object during sintering to produce higher quality 3D printed objects.
-
公开(公告)号：US20190193150A1
公开(公告)日：2019-06-27
申请号：US16166968
申请日：2018-10-22
Applicant: Desktop Metal, Inc.
Inventor： George Hudelson , Emanuel M. Sachs , Glenn A. Jordan , Midnight Zero
CPC classification number: B22F1/0059 , B22F3/004 , B22F3/008 , B22F3/1055 , B22F3/16 , B22F3/18 , B22F3/24 , B22F2003/1056 , B22F2003/1057 , B22F2003/247 , B22F2998/10 , B22F2999/00 , B29C64/165 , B29C64/194 , B29C64/214 , B29C64/218 , B29C64/236 , B29C64/329 , B29C64/343 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , H05K3/102 , H05K3/1275 , H05K2203/0126 , H05K2203/0143 , H05K2203/1131 , B22F2201/20 , B22F2203/00 , B22F3/02 , B22F1/0088
Abstract: A system and corresponding method for additive manufacturing of a three-dimensional (3D) object to improve packing density of a powder bed used in the manufacturing process. The system and corresponding method enable higher density packing of the powder. Such higher density packing leads to better mechanical interlocking of particles, leading to lower sintering temperatures and reduced deformation of the 3D object during sintering. An embodiment of the system comprises means for adjusting a volume of a powder metered onto a top surface of the powder bed to produce an adjusted metered volume and means for spreading the adjusted metered volume to produce a smooth volume for forming a smooth layer of the powder with controlled packing density across the top surface of the powder bed. The controlled packing density enables uniform shrinkage, without warping, of the 3D object during sintering to produce higher quality 3D printed objects.
-
公开(公告)号：US20180297284A1
公开(公告)日：2018-10-18
申请号：US15892895
申请日：2018-02-09
Applicant: Desktop Metal, Inc.
Inventor： Ricardo Fulop , Robert Michael Shydo, JR. , Jonah Samuel Myerberg , Charles Edward Martin , Justin Cumming , Paul Hoisington , Emanuel M. Sachs , George Hudelson , Daniel Sachs , Jamison Go , Eric Wong , Alexander K. McCalmont
IPC: B29C64/35 , B22F3/00 , B29C64/165 , B33Y10/00 , B33Y30/00
CPC classification number: B29C64/35 , B08B3/12 , B08B5/02 , B08B7/028 , B22F3/008 , B22F3/1055 , B22F2003/1046 , B22F2003/1056 , B22F2003/1058 , B22F2003/1059 , B22F2301/00 , B29C64/165 , B29C64/357 , B33Y10/00 , B33Y30/00 , B33Y40/00 , Y02P10/295
Abstract: A system for separating objects within a stacked powder print bed of nested objects comprises a build box configured to contain the powder print bed. The build box has a build box top and a build box floor. The system further includes an elongated aperture formed in a side wall of the build box, and a de-powdering subsystem configured to mechanically and electrically engage the build box. A separating blade associated with the de-powdering subsystem is configured to be inserted through the elongated aperture and into the powder print bed between a top-most print bed layer of the nested objects and a second print bed layer directly below and contiguous with the top-most layer, thereby forming an isolated powder print bed between the separating blade and the build box top. The unbound powder may be agitated by various techniques and subsequently removed from the objects.
-
Patent Agency Ranking
6.发明授权公开(公告)号：US12042998B2
公开(公告)日：2024-07-23
申请号：US18108639
申请日：2023-02-12
Applicant: Desktop Metal, Inc.
Inventor： Alexander Barbati , Michael Gibson , George Hudelson , Nicholas Mykulowycz , Brian Kernan , Nihan Tuncer
IPC: B29C64/393 , B29C64/118 , B29C64/165 , B29C64/379 , B33Y10/00 , B33Y40/20 , B33Y50/02
CPC classification number: B29C64/393 , B29C64/118 , B29C64/165 , B29C64/379 , B33Y10/00 , B33Y40/20 , B33Y50/02
Abstract: Embodiments of the present disclosure are drawn to systems and methods for adjusting a three-dimensional (3D) model used in metal additive manufacturing to maintain dimensional accuracy and repeatability of a fabricated 3D part. These embodiments may be used to reduce or remove geometric distortions in the fabricated 3D part. One exemplary method may include: receiving, via one or more processors, a selection made by a user; receiving a 3D model of a desired part; retrieving at least one model constant based on the user's selection; receiving an input of at least one process variable setting from a set of process variable settings; generating transformation factors based on the at least one process variable parameter and the at least one model constant; transforming the 3D model of the desired part based on the transformation factors; and generating processing instructions for fabricating the transformed 3D model of the desired part.
-
公开(公告)号：US11858210B2
公开(公告)日：2024-01-02
申请号：US17956207
申请日：2022-09-29
Applicant: Desktop Metal, Inc.
Inventor： Emanuel Michael Sachs , George Hudelson , Paul A. Hoisington , Christopher Benjamin Renner , Keith Roy Vaillancourt , Edward Russell Moynihan
IPC: B29C64/165 , B33Y10/00 , B29C64/364 , B29C64/393 , B33Y50/02 , B29C64/209 , B33Y30/00 , B29C64/30 , B29C64/20 , B28B1/00 , B29C64/371 , B22F10/00 , B22F1/148 , B22F10/14 , B22F12/10 , B22F12/84 , B22F10/32 , B22F12/53 , B22F12/63 , B22F12/90
CPC classification number: B29C64/165 , B22F1/148 , B22F10/00 , B22F10/14 , B22F10/32 , B22F12/10 , B22F12/84 , B28B1/001 , B29C64/20 , B29C64/209 , B29C64/30 , B29C64/364 , B29C64/371 , B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B22F12/53 , B22F12/63 , B22F12/90 , B22F2999/00 , B22F2999/00 , B22F10/20 , B22F1/148 , B22F9/082 , B22F2999/00 , B22F10/20 , B22F10/10 , B22F1/14 , B22F2999/00 , B22F10/00 , B22F1/148 , B22F9/082 , B22F2999/00 , B22F10/00 , B22F10/10 , B22F1/14 , B22F2999/00 , B22F1/14 , B22F10/10 , B22F10/20 , B22F2999/00 , B22F1/148 , B22F9/082 , B22F10/20 , B22F2999/00 , B22F10/14 , B22F12/84
Abstract: Devices, systems, and methods are directed to the use of vapor phase change in binder jetting processes for forming three-dimensional objects. In general, a vapor of a first fluid may be directed to a layer of a powder spread across a build volume. The vapor may condense to reduce mobility of the particles of the powder of the layer. For example, the condensing vapor may reduce the likelihood of particle ejection from the layer and, thus, may reduce the likelihood of clogging or otherwise degrading a printhead used to jet a second fluid (e.g., a binder) to the layer. Further, or instead, the condensing vapor may increase the density of the powder in the layer which, when repeated over a plurality of layers forming a three-dimensional object, may reduce the likelihood of slumping of the part during sintering.
-
公开(公告)号：US11717887B2
公开(公告)日：2023-08-08
申请号：US16924872
申请日：2020-07-09
Applicant: Desktop Metal, Inc.
Inventor： Emanuel M. Sachs , Paul A. Hoisington , Richard Remo Fontana , Jamison Go , Joseph Johnson , George Hudelson , Cassia Lockwood , Michael Goldblatt
CPC classification number: B22F3/1007 , B22F3/003 , B22F3/1021 , B22F2201/02 , B22F2201/50 , B33Y10/00 , B33Y30/00
Abstract: A method is provided for printing a three-dimensional object. The method comprises, depositing a layer of metal powder onto a powder bed of a three-dimensional printer. A liquid is heated to generate a vapor. The liquid is removed from the vapor to dry the vapor by heating the vapor above a condensation temperature of the liquid. The dry vapor is deposited onto the powder bed of the three-dimensional printer.
-
公开(公告)号：US20210237159A1
公开(公告)日：2021-08-05
申请号：US17117200
申请日：2020-12-10
Applicant: Desktop Metal, Inc.
Inventor： Jamison Go , Michael Santorella , Jonah Samuel Myerberg , Matthew McCambridge , Alexander LeGendre , Robert J. Nick , Michael Goldblatt , Robert Michael Shydo, JR. , Midnight Zero , Emanuel M. Sachs , Jeffrey von Loesecke , Alexander K. McCalmont , George Hudelson , Joe Pantano
Abstract: Techniques for depowdering additively fabricated parts are described. The techniques utilize various mechanisms to separate powder from parts. For instance, techniques for depowdering described herein may include fabrication of auxiliary structures in addition to fabrication of parts. Certain auxiliary structures may aid with depowdering operations, and may be fabricated along with parts during an additive fabrication process. The auxiliary structures may be shaped and/or have positional and/or geometrical relationships to the parts during fabrication. For instance, an auxiliary structure may include a cage structure fabricated around one or more parts.
-
公开(公告)号：US10406751B2
公开(公告)日：2019-09-10
申请号：US15892895
申请日：2018-02-09
Applicant: Desktop Metal, Inc.
Inventor： Ricardo Fulop , Robert Michael Shydo , Jonah Samuel Myerberg , Charles Edward Martin , Justin Cumming , Paul Hoisington , Emanuel M. Sachs , George Hudelson , Daniel Sachs , Jamison Go , Eric Wong , Alexander K. McCalmont
IPC: B29C64/35 , B22F3/00 , B29C64/165 , B33Y10/00 , B33Y30/00 , B22F3/105 , B33Y40/00 , B08B3/12 , B08B5/02 , B08B7/02 , B29C64/357 , B22F3/10
Abstract: A system for separating objects within a stacked powder print bed of nested objects comprises a build box configured to contain the powder print bed. The build box has a build box top and a build box floor. The system further includes an elongated aperture formed in a side wall of the build box, and a de-powdering subsystem configured to mechanically and electrically engage the build box. A separating blade associated with the de-powdering subsystem is configured to be inserted through the elongated aperture and into the powder print bed between a top-most print bed layer of the nested objects and a second print bed layer directly below and contiguous with the top-most layer, thereby forming an isolated powder print bed between the separating blade and the build box top. The unbound powder may be agitated by various techniques and subsequently removed from the objects.
-
-
-
-
-
-
-
-
-
Search Results
38
records
(took 0.02 seconds)
