DE102015005780A1 - Device for producing three-dimensional objects - Google Patents
Device for producing three-dimensional objects Download PDFInfo
- Publication number
- DE102015005780A1 DE102015005780A1 DE102015005780.4A DE102015005780A DE102015005780A1 DE 102015005780 A1 DE102015005780 A1 DE 102015005780A1 DE 102015005780 A DE102015005780 A DE 102015005780A DE 102015005780 A1 DE102015005780 A1 DE 102015005780A1
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- inert gas
- container
- building
- cover
- lid
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/255—Enclosures for the building material, e.g. powder containers
- B29C64/259—Interchangeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive 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
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/343—Metering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive 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
- B29C64/30—Auxiliary operations or equipment
- B29C64/364—Conditioning of environment
- B29C64/371—Conditioning of environment using an environment other than air, e.g. inert gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive 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
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/255—Enclosures for the building material, e.g. powder containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental & Geological Engineering (AREA)
- Plasma & Fusion (AREA)
- Automation & Control Theory (AREA)
Abstract
Die Erfindung betrifft eine Vorrichtung 1 zum Herstellen von dreidimensionalen Objekten 2 durch aufeinanderfolgendes Verfestigen von Schichten eines mittels Strahlung verfestigbaren Aufbaumaterials 3 an den dem jeweiligen Querschnitt des Objektes 2 entsprechenden Stellen, mit einem eine Prozesskammer 5 umschließenden Gehäuse 4, einem darin untergebrachten Baubehälter 6, einer Aufbringvorrichtung 7 zum Aufbringen von Schichten des Aufbaumaterials 3 auf eine Tragevorrichtung 8 im Baubehälter 6 oder eine zuvor gebildete Schicht mit einem Beschichterelement 9, einer Dosiereinrichtung 10 mit einem Dosierbehälter 11 zum Zuführen des Aufbaumaterials zur Aufbringvorrichtung 7, einer Bestrahlungsvorrichtung 12 zum Bestrahlen von Schichten des Aufbaumaterials 3 an den dem jeweiligen Querschnitt des Objektes 2 entsprechenden Stellen mit einem fokussierten Energiestrahl, insbesondere Laserstrahl, wobei der Baubehälter 6 entweder als gesonderter Wechselbehälter oder innerhalb eines Wechselmoduls aus der Vorrichtung 1 entnehmbar ist, wobei der Baubehälter 6 mit einer inertgasdichten Deckeleinrichtung 22 versehen ist, die den oberen Öffnungsbereich 23 des Baubehälters 6 im aus der Vorrichtung 1 entnommenen Zustand inertgasdicht abdichtet.The invention relates to a device 1 for producing three-dimensional objects 2 by sequentially solidifying layers of a radiation-hardenable building material 3 at the respective cross-section of the object 2 corresponding points, with a housing 4 enclosing a process chamber 5, a building container 6 housed therein Applicator 7 for applying layers of the building material 3 on a support device 8 in the building container 6 or a previously formed layer with a coater element 9, a metering device 10 with a metering 11 for supplying the build material to the applicator 7, an irradiation device 12 for irradiating layers of the building material 3 at the respective cross section of the object 2 corresponding points with a focused energy beam, in particular laser beam, the construction container 6 either as a separate swap body or within a Wechselm oduls from the device 1 can be removed, wherein the building container 6 is provided with an inert gas-tight cover means 22 which seals the upper opening portion 23 of the building container 6 in the withdrawn from the device 1 state inert gas tight.
Description
Die Erfindung betrifft eine Vorrichtung zum Herstellen von dreidimensionalen Objekten durch aufeinanderfolgendes Verfestigen von Schichten eines mittels Strahlung verfestigbaren Aufbaumaterials an den dem jeweiligen Querschnitt des Objektes entsprechenden Stellen, mit den weiteren Merkmalen des Oberbegriffes des Patentanspruches 1.The invention relates to a device for producing three-dimensional objects by successive solidification of layers of a radiation-hardenable building material at the respective cross-section of the object corresponding locations, with the further features of the preamble of
Eine derartige Vorrichtung weist ein eine Prozesskammer umfassendes Gehäuse auf. In einem Prozesskammerboden sind in der Regel eine Baukammer mit einer höhenverstellbaren Plattform, ein Dosierbehälter und ein Überlaufbehälter untergebracht. Über dem Prozesskammerboden ist eine Aufbringvorrichtung verfahrbar, um aus dem Dosierbehälter gefördertes Aufbaumaterial als dünne Schicht im Bereich des Baubehälters aufzutragen. Überflüssiges Baumaterial wird über dem Bereich des Baubehälters hinaus befördert und in eine Öffnung des Überlaufbehälters geschoben.Such a device has a housing comprising a process chamber. In a process chamber floor usually a building chamber with a height-adjustable platform, a dosing and an overflow container are housed. An application device can be moved over the process chamber floor in order to apply building material conveyed out of the metering container as a thin layer in the region of the construction container. Excess building material is transported beyond the area of the construction container and pushed into an opening of the overflow container.
Zur Verfestigung des Baumaterials ist eine Belichtungseinrichtung vorgesehen, die in der Regel aus einem Laser und einer Scannereinrichtung besteht. Die Scannereinrichtung ist mit einem Prozessor verbunden und damit geeignet, einen Laserstrahl des Lasers gezielt über die Baufläche zu steuern, sodass dünne Schichten des Baumaterials an- oder aufgeschmolzen werden und sich bei Abkühlung verfestigen können.For solidification of the building material, an exposure device is provided, which usually consists of a laser and a scanner device. The scanner device is connected to a processor and thus suitable to control a laser beam of the laser targeted over the construction area, so that thin layers of the building material on or melted and can solidify on cooling.
Aus
Darüber hinaus ist es bekannt, generative Bauprozesse in einer Schutzgasatmosphäre durchzuführen, d. h. während des Bauprozesses wird die Prozesskammer und damit auch der freiliegende Bereich des Baubehälters und der weiteren Behälter mit Inertgas beaufschlagt.Moreover, it is known to carry out generative building processes in a protective gas atmosphere, i. H. during the building process, the process chamber and thus also the exposed area of the building container and the other container with inert gas is applied.
Der Erfindung liegt die Aufgabe zugrunde, ausgehend von diesem Stand der Technik eine Vorrichtung mit den Merkmalen des Anspruches 1 derart auszubilden, dass ein Bauprozess mit höherer Qualität und sicherer durchgeführt werden kann. Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruches 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.The invention is based on the object, starting from this prior art, a device with the features of
Als Kern der Erfindung wird es angesehen, zumindest den Baubehälter mit einer inertgasdichten Deckeleinrichtung zu versehen, durch welche die Bauöffnung des Baubehälters bei aus der Vorrichtung entnommenem Baubehälter inertgasdicht abgedeckt werden kann, sodass im Baubehälter eine Inertgasatmosphäre über einen längeren Zeitpunkt aufrechterhalten bleibt. Durch eine derartige Deckeleinrichtung ist sichergestellt, dass der Innenbereich des Baubehälters bei oder nach der Entnahme des Behälters nicht der Atmosphäre ausgesetzt wird, d. h. im Innenbereich des Baubehälters können definierte Verhältnisse aufrechterhalten werden, was Temperatur, Temperaturabsenkung oder -erhöhung, Gasdruck oder weitere relevante Parameter anbelangt. Außerdem wird vermieden, dass explosionsgefährdete Pulverarten durch Kontakt mit Sauerstoff zu Schäden an Umgebung und Bedienungspersonal führen können. Ähnliches gilt für die Bauflächenöffnung im Prozesskammerboden, unter die der Baubehälter eingesetzt wird. Durch eine Dichteinrichtung in diesem Bereich lässt sich eine Inertgasatmosphäre auch im Innenbereich der Prozesskammer dauerhaft aufrecht erhalten.As a core of the invention, it is considered to provide at least the building container with an inert gas-tight lid device through which the construction opening of the building container can be covered inert gas-tight with removed from the device building container, so that in the building container an inert gas atmosphere is maintained over a longer time. By such a lid device ensures that the interior of the building container is not exposed to the atmosphere during or after removal of the container, d. H. In the interior of the building container defined conditions can be maintained, as regards temperature, temperature reduction or increase, gas pressure or other relevant parameters. In addition, it is avoided that potentially explosive powders caused by contact with oxygen can cause damage to the environment and operating personnel. The same applies to the construction area opening in the process chamber floor, under which the construction container is used. By means of a sealing device in this area, an inert gas atmosphere can be permanently maintained even in the interior of the process chamber.
Grundsätzlich sind unterschiedliche vorteilhafte Ausbildungen von Deckeleinrichtung denkbar. Entweder ist die Deckeleinrichtung ein Schiebedeckel oder eine Rollabdeckung, es ist aber auch möglich, ein oder mehrere Platten oder Plattenteilelemente automatisch oder von Hand in die jeweiligen Öffnungen einzusetzen, was beispielsweise durch eine Glovebox-Einrichtung an der Vorrichtung geschehen kann. Die Bedienungsperson kann in der Prozesskammer angeordnete oder in diese eingeführte Deckeleinrichtungen von Hand in die Öffnungen einsetzen und dort abdichten. Zunächst würde ein Einsatz der Deckeleinrichtungen in die Öffnung des Baubehälters vorzunehmen sein, anschließend könnte darüber eine Öffnung im Prozesskammerboden inertgasdicht verschlossen werden. Es ist aber auch denkbar, das Einsetzen der Deckeleinrichtungen vollautomatisch und zwangsgesteuert vorzunehmen, sodass sichergestellt ist, dass vor Beginn des Entnahmevorganges des Baubehälters eine Inertgasdichtung der jeweiligen Innenbereiche, nämlich Baubehälterinnenbereiche und Prozesskammerinnenbereich vorgenommen wird.Basically, different advantageous embodiments of lid device are conceivable. Either the cover device is a sliding cover or a rolling cover, but it is also possible to insert one or more plates or plate sub-elements automatically or by hand in the respective openings, which can be done for example by a glove box device on the device. The operator can place in the process chamber arranged or inserted into this lid devices by hand in the openings and seal there. First, a use of the lid devices would be carried out in the opening of the building container, then an opening in the process chamber floor could be closed inert gas tight about it. However, it is also conceivable to carry out the insertion of the cover devices fully automatically and positively controlled, so that it is ensured that an inert gas seal of the respective inner regions, namely building container inner regions and process chamber inner region is made before the removal process of the building container.
Gleiches gilt auch für weitere Behälter. Eine Deckeleinrichtung entsprechend der am Baubehälter vorgesehenen Deckeleinrichtung in einer Ausbildung als Schiebedeckel, Rollabdeckung, Deckel oder Plattenelement ist genauso am Dosierbehälter oder an einem Überlaufbehälter möglich. Hier können die gleichen konstruktiven Merkmale wie beim Baubehälter vorgesehen werden.The same applies to other containers. A cover device corresponding to the cover device provided on the cover device in a design as a sliding cover, rolling cover, cover or plate element is also possible on the dosing or on an overflow container. Here, the same structural features as in the building container can be provided.
Grundsätzlich liegt es im Rahmen der Erfindung, die Bewegungen der wenigstens einen Deckeleinrichtung (am Baubehälter, am Prozesskammerboden an einem Dosierbehälter oder Überlaufbehälter) elektromotorisch, hydraulisch oder pneumatisch zu steuern. Darüber hinaus ist es vorteilhaft, im Bereich der wenigstens einen Deckeleinrichtung eine Inertgasschleuse anzuordnen. Dies bedeutet, dass entweder die Deckeleinrichtung des Prozesskammerbodens zusammen mit der Deckeleinrichtung des Baubehälters zwei Wandungen einer Inertgasschleuse bilden. Der Zwischenraum ist dann der Schleusenraum, dieser kann mit einem Inertgaseinlass versehen werden, sodass der Zwischenbereich zwischen den beiden Deckelelementen vor Öffnung der Deckelelemente mit Inertgas geflutet werden kann. Aus Sicherheitsgründen kann vorgesehen werden, den Zwischenraum zwischen den beiden Inertgasschleusen-Deckelelementen mit einem Inertgasüberdruck zu beaufschlagen.In principle, it is within the scope of the invention to control the movements of the at least one cover device (on the construction container, on the process chamber bottom on a metering container or overflow container) by means of an electric motor, hydraulically or pneumatically. Moreover, it is advantageous to arrange an inert gas lock in the region of the at least one cover device. This means that either the cover device of the process chamber floor together with the cover device of the construction container form two walls of an inert gas lock. The space is then the lock space, this can be provided with an inert gas inlet, so that the intermediate area between the two lid elements can be flooded with inert gas before opening the lid elements. For safety reasons, it can be provided to pressurize the intermediate space between the two inert gas lock cover elements with an inert gas overpressure.
Was die Dichtungen der jeweiligen Deckelelemente anbelangt, so können mit Vorteil z. B. aufblasbare Dichtungen vorgesehen werden, die sich sehr eng und dichtend an die jeweiligen Kanten der Öffnungen bzw. Flächen des oder der Deckelelemente anlegen.As far as the seals of the respective cover elements, so z. B. inflatable seals are provided, which create very tight and sealing to the respective edges of the openings or surfaces of the cover or elements.
Grundsätzlich ist es vorteilhaft, ein Moduldeckelelement vorzusehen, wenn mehrere Behälter nebeneinander in einem entnehmbaren Baumodul angeordnet sind. Dann würden alle Behälter von einem gemeinsamen Deckelelement inertgasdicht überdeckt sein. Dies bedeutet aber nicht notwendigerweise, dass nicht auch Einzeldeckelelemente für die jeweiligen Behälter vorgesehen werden können, damit diese gesondert entleert, gereinigt werden können oder dgl., ohne in benachbarten Behältern den Inertgas-Füllzustand zu verändern.In principle, it is advantageous to provide a module cover element when several containers are arranged next to one another in a removable building module. Then all containers would be covered inert gas tight by a common cover element. However, this does not necessarily mean that individual cover elements can not be provided for the respective containers so that they can be separately emptied, cleaned or the like, without changing the inert gas filling state in adjacent containers.
Die Erfindung ist anhand von Ausführungsbeispielen in den Zeichnungsfiguren näher erläutert. Diese zeigen:The invention is explained in more detail with reference to embodiments in the drawing figures. These show:
Zunächst wird auf Zeichnungsfigur
Über der Prozesskammer
Der Baubehälter
In den Zeichnungsfiguren
In
In
Es sei ferner erwähnt, dass auch das untere Deckelelement gem.
In Zeichnungsfigur
In
In
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Vorrichtungcontraption
- 22
- Objektobject
- 33
- Aufbaumaterialconstruction material
- 44
-
Gehäuse v.
1 Housing v.1 - 55
- Prozesskammerprocess chamber
- 66
- Baubehälterbuilding container
- 77
- Aufbringvorrichtungapplicator
- 88th
- Tragevorrichtungcarrying device
- 99
- Beschichterelementapplication element
- 1010
- Dosiereinrichtungmetering
- 1111
- Dosierbehälterdosing
- 1212
- Bestrahlungsvorrichtungirradiator
- 1313
- Laserstrahllaser beam
- 1414
- Laserlaser
- 1515
- Scannerscanner
- 1616
- BaufeldBaufeld
- 1717
- ÜberlaufbehälterOverflow tank
- 1818
- Öffnung über BaubehälterOpening over construction container
- 1919
- Öffnung über DosierbehälterOpening via dosing tank
- 2020
- Öffnung über ÜberlaufbehälterOpening over overflow tank
- 2121
- ProzesskammerbodenProcess chamber floor
- 2222
- Deckeleinrichtunglid means
- 2323
- Öffnungsbereichopening area
- 2424
- Dichtungpoetry
- 2525
-
Oberer Rand v.
6 Upper margin v.6 - 3131
-
Deckeleinrichtung von
18 Cover device of18 - 3333
- Rollabdeckungtambour
- 3434
- Schiebedeckelsliding cover
- 4545
- Zentrierelementcentering
- 6060
- BaufelddichtplatteBaufeld sealing plate
- 6161
- Dichtplattesealing plate
- 6565
- Dichtungenseals
- 7070
- InertgasvorratInertgasvorrat
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 19846478 [0004] DE 19846478 [0004]
Claims (17)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015005780.4A DE102015005780B4 (en) | 2015-05-08 | 2015-05-08 | Device for producing three-dimensional objects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015005780.4A DE102015005780B4 (en) | 2015-05-08 | 2015-05-08 | Device for producing three-dimensional objects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE102015005780A1 true DE102015005780A1 (en) | 2016-12-15 |
| DE102015005780B4 DE102015005780B4 (en) | 2021-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102015005780.4A Active DE102015005780B4 (en) | 2015-05-08 | 2015-05-08 | Device for producing three-dimensional objects |
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| Country | Link |
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| DE (1) | DE102015005780B4 (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3263316B1 (en) | 2016-06-29 | 2019-02-13 | VELO3D, Inc. | Three-dimensional printing and three-dimensional printers |
| WO2019031979A1 (en) * | 2017-08-08 | 2019-02-14 | Siemens Aktiengesellschaft | Additive manufacturing apparatus with a heat shield for controlling heat losses from a powder bed |
| US20190099949A1 (en) * | 2017-10-04 | 2019-04-04 | Concept Laser Gmbh | Powder module device for an apparatus for additively manufacturing three-dimensional objects |
| WO2019086231A1 (en) | 2017-11-03 | 2019-05-09 | Trumpf Laser- Und Systemtechnik Gmbh | Cover assembly for a machine, machine and method for producing three-dimensional components |
| EP3486071A1 (en) * | 2017-11-21 | 2019-05-22 | CL Schutzrechtsverwaltungs GmbH | Apparatus for additively manufacturing of three-dimensional objects |
| DE102018202644A1 (en) * | 2018-02-21 | 2019-08-22 | Trumpf Laser- Und Systemtechnik Gmbh | Method and machine for rapid inerting of a process chamber for the additive production of components |
| US10688722B2 (en) | 2015-12-10 | 2020-06-23 | Velo3D, Inc. | Skillful three-dimensional printing |
| US10888925B2 (en) | 2017-03-02 | 2021-01-12 | Velo3D, Inc. | Three-dimensional printing of three-dimensional objects |
| US20210291453A1 (en) * | 2020-03-17 | 2021-09-23 | C4 Carbides Limited | Powder feeder |
| US20210331251A1 (en) * | 2018-05-03 | 2021-10-28 | Dmg Mori Additive Gmbh | Laser machine tool with transporting device |
| DE102021107265A1 (en) | 2021-03-23 | 2022-09-29 | Eos Gmbh Electro Optical Systems | Device for the additive manufacturing of manufactured products |
| US11691343B2 (en) | 2016-06-29 | 2023-07-04 | Velo3D, Inc. | Three-dimensional printing and three-dimensional printers |
| US11999110B2 (en) | 2019-07-26 | 2024-06-04 | Velo3D, Inc. | Quality assurance in formation of three-dimensional objects |
| US12070907B2 (en) | 2016-09-30 | 2024-08-27 | Velo3D | Three-dimensional objects and their formation |
| DE102024115864A1 (en) * | 2024-06-06 | 2025-12-11 | Dmg Mori Additive Gmbh | Lockable overflow mechanism and method for an additive manufacturing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2026046662A1 (en) * | 2024-08-29 | 2026-03-05 | Nikon Slm Solutions Ag | An additive manufacturing apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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