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WO2017080659A1 - Dispositif et procédé de fabrication d'un objet tridimensionnel - Google Patents

Dispositif et procédé de fabrication d'un objet tridimensionnel Download PDF

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Publication number
WO2017080659A1
WO2017080659A1 PCT/EP2016/001875 EP2016001875W WO2017080659A1 WO 2017080659 A1 WO2017080659 A1 WO 2017080659A1 EP 2016001875 W EP2016001875 W EP 2016001875W WO 2017080659 A1 WO2017080659 A1 WO 2017080659A1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
platform
building
layer
dimensional object
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/EP2016/001875
Other languages
German (de)
English (en)
Inventor
Robert Eichner
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.)
EOS GmbH
Original Assignee
EOS GmbH
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 EOS GmbH filed Critical EOS GmbH
Publication of WO2017080659A1 publication Critical patent/WO2017080659A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B29C64/264—Arrangements for irradiation
    • B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
    • 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
    • B29C64/25—Housings, e.g. machine housings
    • 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
    • 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
    • B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
    • 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
    • B29C64/35—Cleaning

Definitions

  • the present invention relates to an apparatus and a method for producing a three-dimensional object by selective layer-by-layer solidification of building material.
  • Methods and devices of this type are used, for example, in rapid prototyping, rapid tooling or additive manufacturing.
  • An example of such a method is known as "selective laser sintering or laser melting".
  • selective laser sintering or laser melting In this case, a thin layer of a building material is repeatedly applied and the building material in each layer selectively solidified by selective irradiation with a laser beam.
  • Such a device is known for example from DE 10 2004 057 866 AI.
  • the machine housing of the device is separated into two housing sections.
  • a container In the first section, a container is provided with a construction space in which the three-dimensional object is produced, and a powder supply and a powder applicator.
  • the container To remove the finished object, the container is movable in the second housing section.
  • vapors and gases which are formed during laser sintering can precipitate on the lid of the container and thus impair the functionality of the scanner device arranged on the lid.
  • the object of the present invention is to provide an alternative, preferably improved device for producing a three-dimensional object, and such a method.
  • it is aimed at a simpler loading and unloading of the device and their cleaning.
  • the invention preferably contributes to making the manufacturing process of three-dimensional objects more economical by saving time.
  • the exchangeable chamber according to the invention is suitable for a device for producing a three-dimensional object by selective layer-by-layer solidification of building material, in particular pulverulent building material, on the cross section of the object to be produced in the respective layer corresponding points under the action of electromagnetic radiation.
  • the changeable chamber comprises a construction space with a construction platform in which the three-dimensional object can be produced, a storage container for storing build-up material, a coater for applying a layer of the build material on the build platform or on an already selectively solidified layer of the build material and a window for coupling in electromagnetic radiation.
  • the change chamber is intended to be removed after a construction process from a device for producing a three-dimensional object by means of a generative layer construction method or to be installed prior to a construction process in such a device. It is preferably formed in one piece and thus a separate, closed space which can be introduced into and removed from the device.
  • integral is understood to mean that the changing chamber forms an integral component at least in a state installed in the device, preferably also during an operation of introduction and / or removal. This ensures, for example, that the powder essentially remains in this space during the entire construction process and that gases and dirt particles formed during the construction process can not escape, thus protecting the device from contamination , which considerably reduces the cleaning effort, since only the cleaning of the exchangeable chamber is required and this can be completely removed from the device for a simple cleaning, it also makes it possible, for example, to replace the exchangeable chamber immediately after loading To remove the completion of a construction process out of the device, so that the device without Time delay for a further construction process is ready, which can be started, for example, after the introduction of a second exchange chamber provided as exchange unit in the device. This time saving increases the efficiency and thus the economy of such a device.
  • the changeable chamber has a removable lid which more preferably has the coupling window.
  • the removable lid provides good access to the elements located inside the interchangeable chamber, thus allowing easy intervening in the interchangeable chamber, for example, to replenish the powder supply prior to the manufacturing process and to remove the object or to clean the elements after the manufacturing process.
  • the change chamber is closed with a lid substantially gas-tight.
  • substantially gas-tight is understood to mean a state in which at most negligible gas can enter or leave the exchange chamber if the gas pressure lies within a value range which is usual for the operation of the device
  • the interchangeable chamber can have connections for the supply and / or discharge of a protective gas Construction process to perform under a defined process atmosphere. Furthermore, during the construction process, resulting gases and dirt particles can be sucked through a protective gas flow and thus removed from the installation space.
  • the coater device is attached to the installation space facing side of the lid.
  • a discharge of the building material out of the change chamber, and thus contamination of the device avoided.
  • a coating device arranged on the cover can be moved well over the installation space and the storage container.
  • the change chamber may comprise an overflow container for receiving excess build-up material.
  • the unused building material can thus be collected and used for another construction process.
  • the installation space is designed as a construction shaft and / or the storage container is designed as a supply shaft and / or the overflow container is designed as an overflow shaft.
  • the design of said container as wells in the interchangeable chamber is easy to implement.
  • a coating device arranged on the cover can apply the building material in a simple manner from the supply shaft in the building shaft.
  • a vertically displaceable platform is arranged in the reservoir.
  • the displaceable platform can be moved upwards in such a way that the surface of the stored build-up material lies substantially in the plane of the container rim, or the building material is discharged by moving the platform up out of the container.
  • a user can easily remove the build-up material from the coater device.
  • the platform and / or the construction platform provided in the storage container preferably have seals in order to seal the storage container or the installation space to the bottom thereof. This prevents unsolidified build-up material from escaping from the storage container or the installation space.
  • the platform provided in the reservoir and / or the building platform on its underside a fastening device for mechanically coupling the platform to a provided in the device support device, wherein the fastening device is preferably designed as a mechanical quick-release system.
  • the fastening device is preferably designed as a mechanical quick-release system.
  • the interchangeable chamber may have on its outer side a coupling device, in particular for coupling to a transport device.
  • a coupling device in particular for coupling to a transport device.
  • a method according to the invention for producing a three-dimensional object by selective layer-by-layer solidification of building material at points corresponding to the cross-section of the object to be produced in the respective layer under the action of electromagnetic radiation is carried out using a changing chamber.
  • the changeable chamber comprises a construction space with a construction platform on which the three-dimensional object is produced, a storage container in which building material is stored, a coating apparatus which applies a layer of the construction material to the construction platform or on an already selectively solidified layer of the building material and a window for coupling in electromagnetic radiation.
  • the entire powder handling takes place in the exchange chamber, so that no powder in the
  • the changing chamber is preferably introduced into a device for producing a three-dimensional object and / or removed from the device in the closed state. This prevents powder from entering the device and / or contaminants in the change chamber.
  • the change chamber is substantially directly after
  • Completion of the selective stratified solidification of the structural removed material in all layers of a device for producing a three-dimensional object and cooled substantially outside the device As a result, the device can be used immediately after completion of the construction process for a further construction process. This time saving increases the efficiency and thus the economy of such a device.
  • Fig. 1 is a schematic, partially in section
  • Fig. 2 is a schematic perspective view of a change chamber included in the apparatus shown in Fig. 1;
  • Fig. 3 is a schematic, sectional view of the changing chamber from above without cover.
  • Fig. 4a is a schematic view of the changing chamber of FIG.
  • FIG. 4b shows a sectional view along the line A A shown in FIG. 4a.
  • FIGS. 5a-5c are schematic external views of the apparatus shown in FIG. 1 for layering a three-dimensional object.
  • An apparatus according to an embodiment of the present invention will be described below with reference to FIG.
  • the device shown in FIG. 1 is a laser sintering or laser melting device 1.
  • it contains a changing chamber 3 with a wall 4.
  • a storage shaft 6 for a festungsig by electromagnetic radiation building material 13, an overflow shaft 7 for receiving excess creativityma- material 16, and a building shaft 5 are arranged.
  • a building platform 9 is arranged, which closes the building shaft 5 down and thus forms its bottom.
  • the construction platform 9 preferably comprises seals which are not shown in FIG.
  • the three-dimensional object 2 can be built on the construction platform 9 in the construction shaft 5.
  • the building platform 9 is fastened on or to a support device 8 provided in the device 1 and movable in a vertical direction V outside the changeable chamber 3. In FIG.
  • the object 2 to be formed in the building shaft 5 on the construction platform 9 is shown in an intermediate state with several solidified layers surrounded by unconsolidated construction material 11.
  • a further platform 36 is arranged, following the supply shaft 6 closes down and thus forms its bottom.
  • the platform 36 preferably comprises seals, which are not shown in detail in FIG.
  • the platform 36 is on or at another outside of the change chamber 3 in the
  • the carrier device 37 and the building platform 9 may also be integrally formed.
  • the recesses 39, 40 are at least as large as the maximum horizontal extent of the support devices 8, 37 or of the (construction) platform (s) 9, 36.
  • a working level 10 is defined.
  • the storage shaft 6 and / or the overflow shaft 7 are arranged in the exchange chamber 3 such that the upper edge of the storage shaft 6 and / or the upper edge of the overflow shaft 7 lie in the working plane.
  • the changing chamber 3 further includes a movable in a horizontal direction H coater device 14 for applying the building material 13 to the working plane 10.
  • a movable in a horizontal direction H coater device 14 for applying the building material 13 to the working plane 10.
  • the coater device 14 is connected to the drive by means of a drive shaft 31 (not shown in FIG. 1).
  • the laser sintering device 1 further includes an exposure device 20 with a laser 21 which generates a laser beam 22 which is deflected by a deflection device 23 and by a focusing device 24 via a coupling window 15 which is arranged in the top of the wall 4 of the change chamber 3 is focused on the working level 10. Furthermore, the laser sintering device 1 includes a control unit 29, via which the individual components of the device 1 are controlled in a coordinated manner for carrying out the building process.
  • the control unit may include a CPU whose operation is controlled by a computer program (software).
  • the computer program can be stored separately from the device on a storage medium, from which it can be loaded into the device, in particular into the control unit.
  • the exchangeable chamber comprises a removable cover 12 which has the coupling-in window 15 for coupling in the laser radiation 22.
  • the exchangeable chamber 3 is preferably closed in a gas-tight manner with the lid 12 attached, so that essentially no gas exchange takes place with the ambient air.
  • a gas supply 41 and a gas outlet 42 are provided for supplying or discharging a protective gas. This makes it possible to maintain a defined gas atmosphere in the change chamber 3 during the construction process.
  • the coupling device 30 and the drive axle 31 will be described later with reference to FIGS. 5a-5c and 4a-4b, respectively.
  • Fig. 3 shows a view of the change chamber 3 from above without patch cover 12.
  • the change chamber 3 comprises a
  • Building shaft 5 which is arranged centrally in the interchangeable chamber 3, as well as a supply shaft 6 and an overflow shaft 7.
  • the supply shaft 6 and the overflow shaft 7 adjoin on opposite sides of the building shaft 5 at this.
  • a gas supply 41 and a gas outlet 42 are provided for supplying or discharging a protective gas.
  • the coater device 14 is arranged on the side of the cover 12 facing the construction shaft 5, ie on the underside thereof. In order to ensure the mobility of the coater device 14 in a horizontal direction H, which in FIG. 4a extends in the plane of the drawing and in FIG.
  • the coater device 14 is connected by means of a drive shaft 31 to a drive (not shown).
  • the drive axle 31 runs in FIG. 4 a perpendicular to the drawing plane and in FIG. 4 b parallel to the drawing plane.
  • the drive shaft 31 is movable so that the coater apparatus 14 is reciprocally movable in a horizontal direction H between the hopper 6 and the weir shaft 7.
  • the construction shaft 5 shown in Fig. 4b is completed or sealed down through the platform 9.
  • a fastening device for fixing to a provided in the device 1 support device 8 is arranged on the underside of the building platform 9, ie on the side facing away from the building shaft 5, a fastening device for fixing to a provided in the device 1 support device 8 is arranged.
  • the fastening device shown in Fig. 4b is a pin 32 or a plurality of pins 32, which is or are suitable to engage in sockets of the support device 8 and thus to mechanically connect the building platform 9 to the support device 8.
  • FIGS. 5a-5c show further schematic views of the device 1 shown in FIG. 1.
  • the laser sintering or laser melting device 1 comprises a housing 38 on which the exposure unit 20 is arranged.
  • the housing 38 has an opening 34, which is preferably closable by a door, not shown, or other closure device.
  • the change Selsch 3 is introduced through the opening 34 in the device 1 and removable.
  • the change chamber 3 has a coupling device 30, on which a transport device can act.
  • the device 1 has a carrier device 37, which on its upper side, ie the side facing the change chamber 3, jacks 35 for mechanically coupling the platform 36 of the storage shaft 6 to the support device 37, and a support device 8, which on its upper side , ie the side facing the changeable chamber 3, bushings 35 has for mechanically coupling the
  • the carrier devices 8, 37 are arranged side by side and below the interchangeable chamber 3 and by means not shown drives in a vertical direction V movable.
  • a connection 33 is provided for supplying and discharging a protective gas into or out of the interchangeable chamber 3.
  • the connection 33 does not have to be arranged on the side of the housing 38 opposite the opening 34; it can instead be arranged on any desired side of the housing 38.
  • the port 33 may also be configured as two separate ports for supplying and discharging the gas.
  • a changing chamber 3 is prepared outside the device 1 for the construction process.
  • the platform 36 of the storage shaft 6 is brought into the lowermost position and the supply shaft 6 filled with building material 13.
  • the change chamber 3 is closed with the lid 12, preferably sealed gas-tight, and by means of a transport device through the opening 34 of the device
  • the transport device can be configured for example as a lift truck and engages the Coupling device 30, which is provided on the outside of the exchange chamber, to.
  • the change chamber 3 without using a transport device in the device 1.
  • the changing chamber 3 can also be introduced into the device 1 by hand.
  • the carrier devices 8, 37 are moved so that the pins 32 on the undersides of the building platform 9 and the platform 36 in the sockets 35 of the support devices 8, 37 engage and the build platform 9 and the platform 36 thus attached to the support devices 8, 37 are and can thus be moved in a vertical direction V.
  • the building platform 9 is first lowered by a height which corresponds to the desired layer thickness, and the platform 36 is moved upwards in order to supply the coating device 14 with a sufficient amount of building material 13.
  • the platform 36 can either be moved so far upwards that the surface of the stored building material 13 lies substantially in the working plane 10, or that the building material 13 is discharged from the supply shaft 6 by moving the platform 36 upwards and thus the coating device 14 is supplied.
  • a layer of the building material 13 is then applied to the building platform 9 or to an already selectively consolidated layer of the building material 13.
  • the application takes place at least over the entire cross-section of the object 2 to be produced, preferably over the entire construction field, ie the region of the working plane 10 which lies within the upper opening of the building shaft 5. Excess build-up material 16 can thereby the overflow shaft 7 are supplied.
  • the cross section of the object 2 to be produced is scanned by the laser beam 22, so that the powdery building material 13 is solidified at the points corresponding to the cross section of the object 2 to be produced. These steps are repeated until the object 2 is completed.
  • the carrier devices 8, 37 are moved to a lower position and the build platform 9 and the platform 36 are decoupled from the carrier devices 8, 37. Subsequently, the change chamber 3 is removed by means of the transport device through the opening 34 of the device 1 out. Immediately after removal of the change chamber 3, a further change chamber 3 can be introduced into the device 1 to perform a further construction process.
  • the changeable chamber 3 or the finished object 2 can now undergo further process steps as needed. These may include the following steps or a selection thereof in substantially any order:
  • a building shaft, a storage shaft and (optionally) an overflow shaft are provided.
  • an overflow shaft is provided.
  • one supply chute can each be arranged on each side of the construction can, so that the application device for applying a first layer moves from the supply chute arranged on the first side of the construction shaft over the construction shaft to the second supply shaft located on the opposite side of the construction shaft becomes.
  • the coater device is then moved from the second supply shaft via the building shaft back to the first supply shaft.
  • the cover of the interchangeable container can be designed as a non-removable lid and be provided for engagement in the interchangeable chamber, a door or other closure element in the wall of the interchangeable chamber.
  • At least one of the recesses 39, 40 may not be provided on the underside of the interchangeable chamber, but for example in the side wall of the interchangeable chamber.
  • at least one of the carrier devices 8, 37 does not engage below, but eg laterally in the exchange chamber.
  • the fastening device of the construction platform or the platform of the storage shaft can be adapted thereto and provided, for example, laterally of the construction platform or the platform.
  • the fastening device for attaching the construction platform and / or the platform to the corresponding support device need not be designed as a pin which engages in a socket. Rather, any mechanical fastening system, in particular quick coupling system, is conceivable.
  • the construction platform or platform can be fastened to the support device by means of a rocker arm.
  • non-mechanical, such as magnetic, fastening mechanisms are conceivable.
  • the coupling device of the interchangeable chamber, on which the transport device acts, need not be arranged laterally of the interchangeable chamber.
  • the changing chamber may e.g. also be arranged on the visible through the opening in the housing of the device front of the removable chamber.
  • feet and / or rollers can be provided on the exchangeable chamber, preferably on its underside, in order to ensure stable stability or movability of the exchangeable chamber, for example outside the device.
  • means for introducing and / or removing and / or anchoring the changing chamber may be provided in the device, such as rails and / or a link, and an alignment and / or adjusting element for precise positioning and / or alignment of the change chamber in the device ,
  • the change chamber may have further seals to prevent leakage of build material from the change chamber and / or ingress of contaminants into the change chamber.
  • the change chamber can be thermally insulated.
  • the outer surface can be maintained at a lower temperature than the inner surface of the chamber wall, which facilitates the removal of the changer chamber immediately after the construction and prevents burns of an operator.
  • the present invention based on a Lasersinter point. Laser melting device has been described, it is not limited to the laser sintering or laser melting. It can be applied to any methods of manufacturing a three-dimensional object by coating and selectively solidifying a building material by the action of electromagnetic radiation.
  • the laser may include, for example, a gas or solid state laser or any other type of laser.
  • any means may be used to selectively apply electromagnetic radiation to a layer of building material.
  • the invention can also be applied to selective mask sintering using an extended light source and a mask, or to absorption sintering.
  • building material in particular powdery building material such as metal powder, plastic powder, ceramic powder, sand, filled or mixed powder.

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

Abstract

L'invention se rapporte à une chambre amovible (3) appropriée pour un dispositif (1) destiné à la fabrication d'un objet tridimensionnel (2) par consolidation sélective par couches d'un matériau (13), en particulier d'un matériau en poudre, sur la section transversale d'un objet (2) à fabriquer, dans des emplacements correspondants de la couche respective, par application d'un rayonnement électromagnétique (22). La chambre amovible (3) comprend un espace de fabrication (5) comportant une plate-forme de fabrication (9) sur laquelle l'objet tridimensionnel (2) peut être réalisé, un bac de réserve (6) pour l'alimentation en matériau (13), un dispositif de dépôt de couche (14) pour appliquer une couche de matériau (13) sur la plate-forme de fabrication (9) ou sur une couche de matériau (13) déjà consolidée sélectivement, et une fenêtre (15) pour l'introduction d'un rayonnement électromagnétique (22).
PCT/EP2016/001875 2015-11-10 2016-11-10 Dispositif et procédé de fabrication d'un objet tridimensionnel Ceased WO2017080659A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015222104.0 2015-11-10
DE102015222104.0A DE102015222104A1 (de) 2015-11-10 2015-11-10 Vorrichtung und Verfahren zum Herstellen eines dreidimensionalen Objekts

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Publication Number Publication Date
WO2017080659A1 true WO2017080659A1 (fr) 2017-05-18

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WO (1) WO2017080659A1 (fr)

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EP3437765A1 (fr) * 2017-08-02 2019-02-06 General Electric Company Fabrication continue d'additifs de turbine haute pression
WO2021209130A1 (fr) * 2020-04-16 2021-10-21 Eos Gmbh Superalliage à base de nickel pour fabrication additive
JP2023515448A (ja) * 2020-02-19 2023-04-13 プロ－ビーム ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト アウフ アクティーン 被加工物の付加製造のための電子ビームシステム及び方法

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DE102017125748A1 (de) * 2017-11-03 2019-05-09 Trumpf Laser- Und Systemtechnik Gmbh Deckelanordnung für eine Maschine sowie Maschine und Verfahren zur Herstellung von dreidimensionalen Bauteilen
JP2023527986A (ja) 2020-05-27 2023-07-03 シューラット テクノロジーズ，インク． 積層製造用印刷カートリッジ
DE102022114262A1 (de) 2022-06-07 2023-12-07 One Click Metal GmbH Wechselbehälter und Vorrichtung zur Herstellung eines dreidimensionalen Bauteils

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DE102004057866A1 (de) 2004-11-30 2006-06-14 Concept Laser Gmbh Vorrichtung zum Herstellen von dreidimensionalen Objekten
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