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WO2019120348A1 - Procédé et dispositif permettant le nettoyage de pièces partiellement fabriquées lors de la fabrication additive - Google Patents

Procédé et dispositif permettant le nettoyage de pièces partiellement fabriquées lors de la fabrication additive Download PDF

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Publication number
WO2019120348A1
WO2019120348A1 PCT/DE2018/000361 DE2018000361W WO2019120348A1 WO 2019120348 A1 WO2019120348 A1 WO 2019120348A1 DE 2018000361 W DE2018000361 W DE 2018000361W WO 2019120348 A1 WO2019120348 A1 WO 2019120348A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
powder
layer
powder material
cleaning
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/DE2018/000361
Other languages
German (de)
English (en)
Inventor
Laura Bürger
Johannes Casper
Andreas Jakimov
Jürgen Kraus
Steffen Schlothauer
Karl-Heinz Dusel
Alexander Ladewig
Christian Liebl
Sebastian Rott
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.)
MTU Aero Engines AG
Original Assignee
MTU Aero Engines AG
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 MTU Aero Engines AG filed Critical MTU Aero Engines AG
Publication of WO2019120348A1 publication Critical patent/WO2019120348A1/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
    • B29C64/10—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
    • 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
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/50—Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-up
    • 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
    • B29C64/245—Platforms or substrates
    • 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
    • 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
    • B33Y10/00—Processes of additive manufacturing
    • 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
    • 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
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • 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
    • 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
    • B22F10/60—Treatment of workpieces or articles after build-up
    • B22F10/68—Cleaning or washing
    • 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
    • B22F2202/00—Treatment under specific physical conditions
    • B22F2202/01—Use of vibrations
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/0046—Welding
    • B23K15/0086—Welding welding for purposes other than joining, e.g. built-up welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • B23K26/342—Build-up welding
    • 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
    • B29C64/264—Arrangements for irradiation
    • B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
    • B29C64/273—Arrangements for irradiation using laser beams; using electron beams [EB] pulsed; frequency modulated
    • 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 present invention relates to a method for the generative production of components by layered application and cohesive bonding of powder material and an apparatus for performing a corresponding method.
  • Generative manufacturing processes for the production of a component are used in the industry for so - called rapid - tooling, rapid - pototyping or in the production of series products within the scope of rapid manufacturing.
  • Examples of generative production methods using a high-energy beam are selective laser melting, selective laser sintering, electron beam melting and comparable methods.
  • the component to be produced is built up in layers of powder material, wherein the powder material is applied according to the applied layer in a powder layer on a substrate or an already manufactured part of a component, to subsequently by melting or sintering of the powder through the high-energy beam to create a connection of the powder material with each other and to the component.
  • Other generative methods as described for example in WO 2017/087572 A1, use the selective application of adhesive or the like in order to fix powder particles in the desired shape at least in an intermediate step and, after removal of excess powder material, the resulting material Green body by melting or sintering in the finished component to convert.
  • a powder bed in which the already produced part of the component is arranged and is covered in the direction of the construction of the component by a powder layer, which selectively according to the contour in the Cutting plane of the component to be produced is to be deposited on the component.
  • the surface of the powder bed is chosen so that between the already produced component and the surface of the powder bed is the powder layer with the desired thickness, which is to be deposited in the next step as a solid state layer on the component by melting or sintering and subsequent re-solidification.
  • a method and a corresponding apparatus for the production of generatively produced components should therefore be provided, which make it possible to produce error-free and homogeneous components, although the method should be efficient and reliable and the effort for a corresponding Device should be kept low.
  • the present invention proposes to improve the freedom from errors of generatively manufactured components, that after the deposition of a solid state layer, so after application of powder material and cohesive bonding of the powder material per se and with an underlying material of a substrate or an already manufactured component, at least the last deposited solid layer is cleaned of the powder material by vibration. This ensures that no loose powder particles are incorporated into the next layer to be applied.
  • the cleaning of the solid state layer of powder material can be carried out by vibration after each deposition of a solid layer, so that in each case two successive deposits of solid layers a cleaning by vibration is performed.
  • the cleaning by vibration to remove loose-adhering powder material depending on the component geometry or the requirements for freedom from defects only before or near the deposition of certain solid layers for example, in the production of particularly stressed or thin component areas or if particularly thick powder layers be applied in a deposition process, so that loose powder particles in underlying layers can no longer be sintered or melted.
  • the cleaning by vibration during the manufacturing process ie before the final completion of the component can be used to prevent defects in the component.
  • the vibration used for the cleaning or removal of loosely adhering powder particles can be carried out by appropriate vibration of the already partially produced component and / or by vibration of a component holder on which the component to be produced is mounted during the production process.
  • a corresponding device for the generative production of components has a vibration device, which may comprise at least one actuator for vibration generation and / or at least one ultrasonic transmitter.
  • the vibration can be carried out in particular with ultrasonic frequency.
  • the cleaning of the solid-state layer of loosely adhering powder material by vibration can be assisted by a variety of different cleaning methods, which can be performed simultaneously or with a time delay, and allow suitable removal of loose powder material.
  • mechanical methods for removing the powder material such as brushing, stripping, or non-contact methods for removing powdered material can be used, such as aspiration or spraying or spraying with a fluid, in particular with compressed air or other gases.
  • the corresponding device may have a suction device, which may be arranged in particular on a slide for the application of a powder layer.
  • the already partially manufactured component can be lifted from a surrounding powder bed.
  • the cohesive bonding of the powder material can be carried out by all known methods for the generative production of components by selective irradiation with a high-energy beam, in particular by selective laser beam melting, selective laser beam sintering, selective electron beam melting or selective electron beam sintering.
  • Fig. 1 is a schematic representation of an embodiment of an inventive
  • Fig. 2 is an illustration of the process flow according to an embodiment of the method according to the invention.
  • FIG. 1 shows, in a purely schematic representation, a device 1, as can be used, for example, for the selective laser melting for the generative production of a component.
  • the device 1 comprises a lifting table 2, on the platform of which a semi-finished product 3 (part of a component) is arranged, on which layer-by-layer material is deposited in order to produce a three-dimensional component.
  • a semi-finished product 3 part of a component
  • layer-by-layer material is deposited in order to produce a three-dimensional component.
  • the slider 8 powder 10 which is located above a lifting table 9 in a powder supply, pushed in layers over the semifinished product 3 and then connected by the laser beam 13 of a laser 4 by melting with the already existing semifinished product 3.
  • connection of the powder material in a powder layer with the semifinished product 3 is effected by the laser 4 depending on the desired Contour of the component to be manufactured so that any three-dimensional shapes can be created.
  • the laser beam 13 is guided over the powder bed 12 in order to melt powder material through different points of impingement on the powder bed corresponding to the contour of the three-dimensional component in the cutting plane corresponding to the layer to be produced and to the already produced part of a component or an initially provided substrate connect.
  • the laser beam 13 can be guided over the surface of the powder bed 12 by a suitable deflection unit and / or the powder bed or the lifting table 2 could be moved relative to the laser beam 13.
  • the process may take place in a closed space provided by a housing 11 of the device 1, and an inert gas atmosphere may be provided to, for example, oxidize the powder material and the like at the time of deposition.
  • an inert gas for example, nitrogen can be used, which can be provided via a gas supply, not shown.
  • the slider 8 is simultaneously formed as a leveling and smoothing slide to smooth the powder layer above the semifinished product 3 and set to a specific layer thickness.
  • the slider 8 causes only the coarse provision of the powder material and an additional (not shown here) leveling and smoothing slide is used.
  • the leveling and smoothing slide 8 is used to set the desired thickness D of the powder layer 5, as shown in the detail view of FIG. 1 defined, and also to ensure that the powder bed surface 6 of the powder layer 5 is smooth and flat, otherwise inaccuracies and irregularities in the component produced could arise.
  • the device 1 further comprises a cleaning device in the form of a suction device 7, which serves for cleaning the last deposited solid state layer and the already produced component 3.
  • a cleaning device in the form of a suction device 7, which serves for cleaning the last deposited solid state layer and the already produced component 3.
  • the device has a vibration device 18 which, in the example shown, is arranged on the lifting table 2 in order to vibrate the lifting table 2 and thus the component holder and the component arranged thereon so that loosely adhering powder particles can be released ,
  • the component 3 For cleaning with the vibration assembly 18 and the suction device 7, the component 3 is lifted with the lifting table 2, so that the component 3 at least with the last-produced solid layer 14, preferably with several, for example, 5 to 20 of the last-produced solid layers of the Powder Bed 12 sticks out. Then, the suction device 7 is guided by a movement corresponding to the arrow in Figure 1 on the already manufactured component 3 to clean by movement relative to the component 3, the last-generated solid state layer and parts of the component 3 of loose powder material. At the same time, the lifting table 2 is caused to vibrate by the vibration device 18, so that the already partially manufactured component 3 vibrates and loose powder particles are shaken loose.
  • the process sequence is shown in detail in FIG. 2 by the representations 15 to 17.
  • the powder material is partially melted in accordance with the shape of the component 3 to be produced by the laser beam 13 of the laser 4 in a powder layer not shown in detail in FIG. 2 and thus forms a solid state layer 14 after solidification Cutting plane of the manufactured component 3 from.
  • the component 3 with the solid state layer 14 produced thereon is lifted out of the powder bed 12 so that the component 3 protrudes from the powder bed at least with the last solid layer 14 produced and preferably further, previously generated solid state layers.
  • the suction device 7 is guided over the part of the already produced component 3 protruding from the powder bed 12, while at the same time the lifting table 2 is vibrated with the partially manufactured component 3, around the last-produced solid state layer 14 and To free adjacent parts of the previously prepared component 3 from the powder material.
  • the cleaning tion step can be repeated several times in succession, so that the suction device 7 can be moved back and forth several times to remove loose powder material.

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

Abstract

La présente invention concerne un procédé et un dispositif pour la fabrication additive de pièces par application de matière pulvérulente par couches sur un substrat ou une partie préalablement fabriquée d'une pièce et par liaison au moins partielle de la matière pulvérulente par liaison de matière dans la couche pulvérulente en fonction du profil en coupe de la pièce le long de la couche pulvérulente et avec, en dessous, un matériau solide de la pièce ou du substrat pour former plusieurs couches solides (14) superposées au moyen d'un faisceau de haute énergie (13). Selon l'invention, une fois la matière pulvérulente liée par liaison de matière, la couche solide (14) qui vient d'être fabriquée est débarrassée de toute matière pulvérulente par vibration.
PCT/DE2018/000361 2017-12-19 2018-12-06 Procédé et dispositif permettant le nettoyage de pièces partiellement fabriquées lors de la fabrication additive Ceased WO2019120348A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017223259.5A DE102017223259A1 (de) 2017-12-19 2017-12-19 Verfahren und vorrichtung zur reinigung teilweise hergestellter bauteile während der generativen herstellung
DE102017223259.5 2017-12-19

Publications (1)

Publication Number Publication Date
WO2019120348A1 true WO2019120348A1 (fr) 2019-06-27

Family

ID=65033288

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2018/000361 Ceased WO2019120348A1 (fr) 2017-12-19 2018-12-06 Procédé et dispositif permettant le nettoyage de pièces partiellement fabriquées lors de la fabrication additive

Country Status (2)

Country Link
DE (1) DE102017223259A1 (fr)
WO (1) WO2019120348A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI131305B1 (en) * 2019-10-30 2025-02-04 Teknologian Tutkimuskeskus Vtt Oy Additive manufacturing process and equipment

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JP2002038201A (ja) * 2000-07-24 2002-02-06 Matsushita Electric Works Ltd 三次元形状造形物の製造方法および装置
DE102014108061A1 (de) * 2013-06-20 2014-12-24 Eos Gmbh Electro Optical Systems Vorrichtung und Verfahren zur generativen Herstellung zumindest eines Bauteilbereichs eines Bauteils
DE102013223587A1 (de) 2013-11-19 2015-06-03 MTU Aero Engines AG Nivellier- und Glättungsschieber zur Generativen Herstellung von Bauteilen
WO2015196149A1 (fr) 2014-06-20 2015-12-23 Velo3D, Inc. Appareils, systèmes et procédés pour l'impression en 3d
WO2016015694A1 (fr) * 2014-07-30 2016-02-04 MTU Aero Engines AG Dispositif et procédé de procédé de fabrication générative d'au moins une partie de composant d'un composant
US20170036401A1 (en) 2015-08-03 2017-02-09 Delavan Inc. Systems and methods for post additive manufacturing processing
WO2017087572A1 (fr) 2015-11-17 2017-05-26 Impossible Objects, LLC Appareil et procédé pour la production de composites à matrice métallique par fabrication additive et article ainsi fabriqué
DE102016209618A1 (de) * 2016-06-01 2017-12-07 MTU Aero Engines AG Verfahren und Vorrichtung zum additiven Herstellen zumindest eines Bauteilbereichs eines Bauteils

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US20150266157A1 (en) * 2014-03-20 2015-09-24 Shapeways, Inc. Processing of three dimensional printed parts
DE102015001480A1 (de) * 2015-02-09 2016-08-11 Werkzeugbau Siegfried Hofmann Gmbh Verfahren zum Herstellen eines dreidimensionalen Objekts durch aufeinander folgendes Verfestigen von Schichten
US10350825B2 (en) * 2016-03-09 2019-07-16 Xerox Corporation Method and apparatus for forming an image onto an object using selective laser sintering

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002038201A (ja) * 2000-07-24 2002-02-06 Matsushita Electric Works Ltd 三次元形状造形物の製造方法および装置
DE102014108061A1 (de) * 2013-06-20 2014-12-24 Eos Gmbh Electro Optical Systems Vorrichtung und Verfahren zur generativen Herstellung zumindest eines Bauteilbereichs eines Bauteils
DE102013223587A1 (de) 2013-11-19 2015-06-03 MTU Aero Engines AG Nivellier- und Glättungsschieber zur Generativen Herstellung von Bauteilen
WO2015196149A1 (fr) 2014-06-20 2015-12-23 Velo3D, Inc. Appareils, systèmes et procédés pour l'impression en 3d
WO2016015694A1 (fr) * 2014-07-30 2016-02-04 MTU Aero Engines AG Dispositif et procédé de procédé de fabrication générative d'au moins une partie de composant d'un composant
US20170036401A1 (en) 2015-08-03 2017-02-09 Delavan Inc. Systems and methods for post additive manufacturing processing
WO2017087572A1 (fr) 2015-11-17 2017-05-26 Impossible Objects, LLC Appareil et procédé pour la production de composites à matrice métallique par fabrication additive et article ainsi fabriqué
DE102016209618A1 (de) * 2016-06-01 2017-12-07 MTU Aero Engines AG Verfahren und Vorrichtung zum additiven Herstellen zumindest eines Bauteilbereichs eines Bauteils

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Publication number Publication date
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