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WO2016113107A1 - Construction with stacked building panels and procedure in an am system - Google Patents

Construction with stacked building panels and procedure in an am system Download PDF

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Publication number
WO2016113107A1
WO2016113107A1 PCT/EP2015/081356 EP2015081356W WO2016113107A1 WO 2016113107 A1 WO2016113107 A1 WO 2016113107A1 EP 2015081356 W EP2015081356 W EP 2015081356W WO 2016113107 A1 WO2016113107 A1 WO 2016113107A1
Authority
WO
WIPO (PCT)
Prior art keywords
powder
component
components
powder bed
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2015/081356
Other languages
German (de)
French (fr)
Inventor
Olga Deiss
Julian Timmermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2016113107A1 publication Critical patent/WO2016113107A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • 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]
    • 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
    • B22F12/30—Platforms or substrates
    • 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
    • B22F12/80—Plants, production lines or modules
    • 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
    • B29C64/10—Processes of additive manufacturing
    • B29C64/171—Processes of additive manufacturing specially adapted for manufacturing multiple 3D objects
    • B29C64/176—Sequentially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE 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
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • 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

Definitions

  • the invention relates to a sandwich construction and Vorgehe way in an AM system.
  • the component similar to the 3D printing layer ⁇ wise generated from bottom to top.
  • Working chamber could accommodate more components. Before a new part can be manufactured, the chamber must additionally be completely cleaned of the granulate.
  • FIG. 2 is a plant according to the invention.
  • the description and the figures represent only embodiments of the invention.
  • extensible substrates building platforms
  • the floors are located in a cassette next to the installation space.
  • the substrates adjustably designed in their extension height ⁇ .
  • space for components of different sizes can be optimally used.
  • the new mobile substrates do not rest on the underlying components but can be supported externally (eg laterally).
  • FIG 1 shows an AM system 1 'according to the prior art.
  • Plant 1 'for AM includes a substrate 28 that can be moved to apply new layers of powders to the work area over and over again.
  • On the substrate 28 applied powder is selectively compressed to a component 22. Not verfestig ⁇ tes powder in the powder bed 25. The powder remains comes from a pre ⁇ rats region 4, wherein the loose powder 7 via a slider 13 on the component to be produced 22, which was selectively compressed in the powder bed 25, redistributed.
  • this powder is then recompressed again.
  • FIG. 2 shows a device 1 according to the invention.
  • the device 1 also has a substrate 28 'which can be displaced downwards. On this substrate 28 ', a component 22' or more components 22 ', 22' 'compressed side by side.
  • the compression is preferably carried out by means of a laser 16 which emits laser beams, the laser beams being moved by means of a mirror 19 over the first powder bed 26 'in order to densify the powder bed 26' selectively with respect to the components 22 ',.
  • the substrate may be a large-area compression of a powder layer.
  • the substrate is thus produced from the powder bed.
  • a further loose powder layer is preferably applied over the finished component 22 ', 22''and then by means of the magazine 50 for substrates, a further, second substrate 28''is applied to which, as in the prior art, powder is applied , which is selectively compacted and new components 22 ''', 22 IV can be made in the same or similar form or in very different forms.
  • the supply area for the powder is not explicitly illustrated, but is present and can be present on the same side as the magazine 50 or elsewhere and runs in the same manner as in FIG. 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Powder Metallurgy (AREA)

Abstract

Set-up times are saved by the use of a plurality of substrates in a build-up device of a facility for additive manufacturing.

Description

BAUWEISE MIT GESTAPELTEN BAUPLATTEN UND VORGEHENSWEISE BEI EINER AM-ANLAGE  CONSTRUCTION WITH STACKED BUILDING PLATES AND PROCEDURE AT AN AM PLANT

Die Erfindung betrifft eine Sandwichbauweise und Vorgehe weise bei einer AM-Anlage. The invention relates to a sandwich construction and Vorgehe way in an AM system.

Bauteile mit komplexer geometrischer Form lassen sich durch spanende Fertigungsverfahren nur sehr aufwändig oder gar nicht realisieren. Standardmäßig werden solche Teile dann über verschiedene Gießverfahren erzeugt. Allerdings ist das Anfertigen einer Gießform teuer und man hat mit enormen Wartezeiten zu rechnen. Für große Massenproduktionen und Serienfertigungen, wo man genügend Vorlaufzeit hat, ist dieses Ver¬ fahren rentabel und akzeptabel, aber nicht für die Fertigung geringer Stückzahlen oder erhöhter Dringlichkeit. Components with a complex geometric shape can only be realized with great difficulty or not at all by machining processes. By default, such parts are then produced via different casting processes. However, making a mold is expensive and you have to expect enormous waiting times. For large mass production and mass production, where one has sufficient lead time, this method is profitable and acceptable, but not for the production of small quantities or increased urgency.

Lasersintern oder Laserschmelzen ist eine relativ neue Fertigungsmethode im Bereich des Rapid Prototypings (AM) . Geringe Stückzahlen und komplexe Geometrien lassen sich hiermit vergleichsweise günstig realisieren. Nur der Prozess an sich ist sehr teuer und dauert lange, da immer nur eine dünne Schicht eines Metallgranulats aufgeschmolzen oder lokal versintert werden kann. Laser sintering or laser melting is a relatively new production method in the field of rapid prototyping (AM). Low quantities and complex geometries can be realized comparatively favorably hereby. Only the process itself is very expensive and takes a long time, since only a thin layer of metal granules can ever be melted or locally sintered.

So wird das Bauteil, ähnlich wie bei dem 3D-Druck, schicht¬ weise von unten nach oben erzeugt. Thus, the component, similar to the 3D printing layer ¬ wise generated from bottom to top.

Es wird auf einen ebenen Untergrund eine Metallgranulat- Schicht aufgebracht und glattgestrichen. Anschließend fährt ein Laser definiert über diese Schicht und schmilzt das Gra¬ nulat dort auf, wo sich eine Kontur des späteren Bauteils be¬ findet. Anschließend wird eine neue Schicht Granulat über die alte gestreut, glattgestrichen und wieder fährt der Laser über die definierten Stellen und verbindet so die neue It is applied to a flat surface a metal granule layer and smoothed. Then, a laser driving defined by this layer and melts the Gra ¬ granulate there on where a contour of the final component will be ¬. Then a new layer of granules is scattered over the old, smoothed and again the laser travels over the defined places, thus connecting the new one

Schicht mit der alten. Layer with the old one.

Nachdem das Bauteil fertig aufgeschmolzen wurde, muss es noch vom restlichen Pulver befreit werden. Dieses geschieht durch Absaugen unter einer sauberen Atmosphäre. Es können nur so viele Bauteile in einem Arbeitsvorgang gefertigt werden, wie auf eine Bauplattform passen, auch wenn das Volumen der After the component has been completely melted, it must still be freed from the remaining powder. This is done by aspirating under a clean atmosphere. It's just that way Many components are manufactured in one operation, as can fit on a build platform, even if the volume of the

Arbeitskammer mehr Bauteile aufnehmen könnte. Bevor ein neues Teil gefertigt werden kann, muss die Kammer zusätzlich kom- plett vom Granulat gereinigt werden. Working chamber could accommodate more components. Before a new part can be manufactured, the chamber must additionally be completely cleaned of the granulate.

Diese beiden Vorgänge führen zu einer erhöhten Rüstzeit. These two processes lead to an increased set-up time.

Es ist daher Aufgabe der Erfindung oben genanntes Problem zu lösen. It is therefore an object of the invention to solve the above-mentioned problem.

Die Aufgabe wird gelöst durch eine Vorrichtung gemäß Anspruch 1 und eine Vorgehensweise gemäß Anspruch 2. In den Unteransprüchen sind weitere vorteilhafte Maßnahmen aufgelistet, die beliebig miteinander kombiniert werden kön¬ nen, um weitere Vorteile zu erzielen. The object is achieved by an apparatus according to claim 1 and a procedure according to claim 2. In the subclaims further advantageous measures are listed, which are combined with each other Kgs ¬ nen to achieve further advantages.

Es zeigen: Show it:

Figur 1 eine Anlage nach dem Stand der Technik, 1 shows a plant according to the prior art,

Figur 2 eine erfindungsgemäße Anlage. Die Beschreibung und die Figuren stellen nur Ausführungsbeispiele der Erfindung dar. Figure 2 is a plant according to the invention. The description and the figures represent only embodiments of the invention.

Damit die Kammer nicht nach jedem Bauteil gereinigt werden muss, bevor ein neues gefertigt werden kann, werden hiermit vorzugsweise ausfahrbare Substrate (Bauplattformen) vorge¬ schlagen. Näher erläutert bedeutet dies, dass, nachdem ein oder mehrere Bauteile auf der ersten Bauplattform fertig sind, ein neues Substrat über das Bauteil platziert wird. Auf diesem Boden kann dann ein neues Bauteil (oder mehrere Bauteile) gefertigt werden, ohne dass die Bauplattform mit dem ersten Bauteil entnommen werden muss. Die Böden befinden sich dabei in einer Kassette neben dem Bauraum. Vorzugsweise wer- den die Substrate verstellbar in ihrer Ausfahrhöhe konstru¬ iert. Somit können Bauräume für Bauteile verschiedener Größe optimal genutzt werden. Weiterhin ist zu erwähnen, dass die neuen fahrbaren Substrate nicht auf den darunterliegenden Bauteilen aufliegen, sondern extern (z.B. seitlich) gestützt werden können. So that the chamber does not have to be cleaned after each component before a new can be produced hereby preferably extensible substrates (building platforms) will send pre ¬. In more detail, this means that after one or more components on the first build platform are finished, a new substrate is placed over the part. On this floor then a new component (or several components) can be made without the construction platform must be removed with the first component. The floors are located in a cassette next to the installation space. Preferably the substrates adjustably designed in their extension height ¬ . Thus, space for components of different sizes can be optimally used. It should also be mentioned that the new mobile substrates do not rest on the underlying components but can be supported externally (eg laterally).

Durch diese Maßnahme kann bis zur nächsten Kammerreinigung ein Vielfaches an Bauteilen gefertigt werden und zwar so viele, wie das Volumen der Baukammer zulässt. Vor allem für die Serienfertigung der Kleinteile mit niedriger Bauhöhe verringert sich die Rüstzeit der Anlage enorm. Das führt zu einer effizienteren Ausnutzung der AM-Anlage. Bisher wurden AM-Teile in sehr kleinen Serien gefertigt und die Geräte werden in Formen geliefert, ähnlich einer größeren CNC-Fräse. Durch die Sandwichbauweise der neuen Böden des Arbeitsbereiches kann eine Maschine mehrere Bauteile produ¬ zieren, ohne dass ein menschliches Eingreifen nötig wäre. Dies führt zu einer erhöhten Produktivität. By this measure, a multiple of components can be manufactured until the next chamber cleaning and indeed as many as the volume of the building chamber permits. Especially for the mass production of small parts with low overall height, the setup time of the system is reduced enormously. This leads to a more efficient use of the AM system. So far, AM parts have been made in very small series and the devices are delivered in shapes similar to a larger CNC mill. Through sandwich design of the new soil of the work area, a machine can adorn ¬ produ several components, without any human intervention would be necessary. This leads to increased productivity.

Vorteile : Advantages :

• Schnellere Durchlaufzeiten • Faster turnaround times

· Höherer Automatisierungsgrad  · Higher degree of automation

• Kostenreduzierung  • Cost reduction

• Serientauglichkeit  • Series suitability

• Absicherung gegenüber Wettbewerbern Figur 1 zeigt eine AM-Anlage 1' nach dem Stand der Technik. Die Anlage 1' für AM (Additive Manufacturing) beinhaltet ein Substrat 28, das verfahren werden kann, um immer wieder neue Schichten von Pulvern auf den Arbeitsbereich aufzutragen. Auf dem Substrat 28 wird aufgetragenes Pulver selektiv zu einem Bauteil 22 verdichtet. Dabei verbleibt nicht verfestig¬ tes Pulver im Pulverbett 25. Das Pulver kommt aus einem Vor¬ ratsbereich 4, bei dem loses Pulver 7 über einen Schieber 13 auf das herzustellende Bauteil 22, das in dem Pulverbett 25 selektiv verdichtet wurde, neu verteilt wird. • Protection against Competitors Figure 1 shows an AM system 1 'according to the prior art. Plant 1 'for AM (Additive Manufacturing) includes a substrate 28 that can be moved to apply new layers of powders to the work area over and over again. On the substrate 28 applied powder is selectively compressed to a component 22. Not verfestig ¬ tes powder in the powder bed 25. The powder remains comes from a pre ¬ rats region 4, wherein the loose powder 7 via a slider 13 on the component to be produced 22, which was selectively compressed in the powder bed 25, redistributed.

Mittels eines Lasers 16' und ggf. einem Spiegel 19' wird dann dieses Pulver wieder neu verdichtet.  By means of a laser 16 'and possibly a mirror 19', this powder is then recompressed again.

Figur 2 zeigt eine erfindungsgemäße Vorrichtung 1. FIG. 2 shows a device 1 according to the invention.

Die Vorrichtung 1 weist auch ein Substrat 28' auf, das nach unten verschoben werden kann. Auf dieses Substrat 28' werden ein Bauteil 22' oder mehrere Bauteile 22', 22'' nebeneinander verdichtet . The device 1 also has a substrate 28 'which can be displaced downwards. On this substrate 28 ', a component 22' or more components 22 ', 22' 'compressed side by side.

Die Verdichtung erfolgt vorzugsweise mittels eines Lasers 16, der Laserstrahlen aussendet, wobei die Laserstrahlen mittels eines Spiegels 19 über das erste Pulverbett 26' verfahren werden, um das Pulverbett 26' selektiv zu den Bauteilen 22', ... zu verdichten.  The compression is preferably carried out by means of a laser 16 which emits laser beams, the laser beams being moved by means of a mirror 19 over the first powder bed 26 'in order to densify the powder bed 26' selectively with respect to the components 22 ',.

Zusätzlich zu dem Stand der Technik ist ein Magazin 50 vorhanden, das neue Substrate 28'', 28''', ... einfügen kann, nachdem ein erstes Bauteil 22' oder Bauteile 22', 22'' im ersten Pulverbett 26' hergestellt wurden.  In addition to the prior art, there is a magazine 50 which can insert new substrates 28 ", 28" ', ... after a first component 22' or components 22 ', 22 "are manufactured in the first powder bed 26' were.

Ebenso kann das Substrat eine großflächige Verdichtung einer Pulverschicht sein. Das Substrat wird also aus dem Pulverbett hergestellt . Likewise, the substrate may be a large-area compression of a powder layer. The substrate is thus produced from the powder bed.

Dabei wird vorzugsweise noch eine weitere lose Pulverschicht über das fertige Bauteil 22', 22'' aufgebracht und dann wird mittels des Magazins 50 für Substrate ein weiteres, zweites Substrat 28'' aufgebracht, auf das, wie im Stand der Technik, Pulver aufgebracht wird, welches selektiv verdichtet wird und neue Bauteile 22''', 22IV in gleicher oder ähnlicher Form oder in ganz verschiedenen Formen hergestellt werden können. In this case, a further loose powder layer is preferably applied over the finished component 22 ', 22''and then by means of the magazine 50 for substrates, a further, second substrate 28''is applied to which, as in the prior art, powder is applied , which is selectively compacted and new components 22 ''', 22 IV can be made in the same or similar form or in very different forms.

In Figur 2 ist der Vorratsbereich für das Pulver nicht expli- zit dargestellt, ist aber vorhanden und kann auf der gleichen Seite wie das Magazin 50 oder an anderer Stelle vorhanden sein und läuft in der gleichen Art und Weise ab wie in Figur 1. In FIG. 2, the supply area for the powder is not explicitly illustrated, but is present and can be present on the same side as the magazine 50 or elsewhere and runs in the same manner as in FIG. 1.

Claims

Patentansprüche claims 1. Vorrichtung (1) zum selektiven Verdichten von Pulver aus mehreren Pulverbetten (26', 26'') zur Herstellung mehrerer Bauteile (22', 22VI) , 1. Apparatus (1) for selectively compacting powder from a plurality of powder beds (26 ', 26'') to produce a plurality of components (22', 22 VI ), bei dem zumindest ein Bauteil (22', 22'') in einem ersten Pulverbett (26') verdichtet werden kann und  wherein at least one component (22 ', 22' ') in a first powder bed (26') can be compressed and danach ein weiteres Substrat (28'') aus einem Magazin (50) auf das Pulverbett (26', 26'', 26''') gebracht werden kann, auf dem dann zumindest ein neues Bauteil (22''', 22IV) in einem zweiten Pulverbett (26'') aufgebaut werden kann. then another substrate (28 '') from a magazine (50) on the powder bed (26 ', 26'',26''') can be brought on the then at least one new component (22 ''', 22 IV ) in a second powder bed (26 '') can be constructed. 2. Verfahren zur Herstellung von Bauteilen (22'', 22VI) insbesondere hergestellt mit einer Vorrichtung (1) gemäß Anspruch 1, 2. A method for producing components (22 '', 22 VI ), in particular produced with a device (1) according to claim 1, bei dem aus einem ersten Pulverbett (26') zumindest ein Bauteil (22', 22'') hergestellt wird und  in which at least one component (22 ', 22' ') is produced from a first powder bed (26') and nach Fertigstellung des zumindest ersten Bauteils (22'', 22''') ein weiteres Substrat (28'') über das erste Pulver¬ bett (26') eingebracht wird, another substrate (28 '') on the first powder ¬ bed (26 ') is introduced after the completion of at least the first component (22'',22'''), auf dem zumindest ein weiteres Bauteil (22''', 22IV) in einem zweiten Pulverbett (26'') erzeugt wird. on the at least one further component (22 ''', 22 IV ) in a second powder bed (26'') is generated. 3. Verfahren nach Anspruch 2, 3. The method according to claim 2, bei dem zwischen dem fertigen Bauteil (22', 22'') und dem Substrat (28'') zumindest eine weitere Lage Pulver aufge¬ bracht wird, wherein between the finished component (22 ', 22'') and the substrate (28'') at least one additional layer positioned ¬ powder is introduced, so dass das weitere, zweite Substrat (28'') nur auf einem Pulverbett (26') aufliegt.  so that the further, second substrate (28 '') rests only on a powder bed (26 '). 4. Verfahren nach Anspruch 2 oder 3, 4. The method according to claim 2 or 3, bei dem zumindest zwei Bauteile (22', 22''; 22''', 22IV; 22", 22VI) in einem Pulverbett (26', 26", 26"') her¬ gestellt werden. wherein at least two components (22 ', 22'';';"(26, 22 '22, 22 VI in a powder bed 26, 22 IV)' 'are provided ¬, 26"') ago.
PCT/EP2015/081356 2015-01-16 2015-12-29 Construction with stacked building panels and procedure in an am system Ceased WO2016113107A1 (en)

Applications Claiming Priority (2)

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DE102015200634.4 2015-01-16
DE102015200634.4A DE102015200634A1 (en) 2015-01-16 2015-01-16 Sandwich construction and procedure for an AM plant

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EP3749602A4 (en) * 2018-02-06 2021-10-13 Assembrix Ltd. Multi-shelf three-dimensional printing

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DE10235427A1 (en) * 2002-08-02 2004-02-12 Eos Gmbh Electro Optical Systems Device for producing three-dimensional objects under the action of electromagnetic or particle radiation has a switching unit for switching the radiation between the construction regions so that each construction region is irradiated

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EP2289652A1 (en) * 2009-08-25 2011-03-02 BEGO Medical GmbH Device and method for generative production
US20130244040A1 (en) * 2012-03-08 2013-09-19 Casio Computer Co., Ltd. Three-dimensional shaping method and shaped object complex as well as three-dimensional shaping apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018200287A1 (en) 2018-01-10 2019-07-11 Siemens Aktiengesellschaft Turbomachinery inner housing
WO2019137804A1 (en) 2018-01-10 2019-07-18 Siemens Aktiengesellschaft Turbomachine inner housing
US11732720B2 (en) 2018-01-10 2023-08-22 Siemens Energy Global GmbH & Co. KG Turbomachine inner housing

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