WO2011036087A1 - Verfahren zum herstellen eines markierten gegenstandes - Google Patents
Verfahren zum herstellen eines markierten gegenstandes Download PDFInfo
- Publication number
- WO2011036087A1 WO2011036087A1 PCT/EP2010/063608 EP2010063608W WO2011036087A1 WO 2011036087 A1 WO2011036087 A1 WO 2011036087A1 EP 2010063608 W EP2010063608 W EP 2010063608W WO 2011036087 A1 WO2011036087 A1 WO 2011036087A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- marking
- article
- layers
- marked
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 41
- 239000000654 additive Substances 0.000 claims abstract description 27
- 230000000996 additive effect Effects 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 15
- 239000003550 marker Substances 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 6
- 239000011344 liquid material Substances 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims 1
- 239000011796 hollow space material Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
- G06K19/083—Constructional details
- G06K19/086—Constructional details with markings consisting of randomly placed or oriented elements, the randomness of the elements being useable for generating a unique identifying signature of the record carrier, e.g. randomly placed magnetic fibers or magnetic particles in the body of a credit card
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
-
- 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
- B22F10/38—Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
-
- 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
- B22F10/39—Traceability, e.g. incorporating identifier into a workpiece or article
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- 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
-
- 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
- B22F10/10—Formation of a green body
- B22F10/12—Formation of a green body by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP]
-
- 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
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
-
- 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
- B22F12/40—Radiation means
- B22F12/44—Radiation means characterised by the configuration of the radiation means
- B22F12/45—Two or more
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/20—Inserts
- B29K2105/203—Magnetic parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0001—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular acoustical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/737—Articles provided with holes, e.g. grids, sieves
-
- 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 method having the features according to the preamble of patent claim 1.
- the visible marking of products by z As laser marking method or the application of holograms has been known for some time.
- the marking is also known by hidden markings, which can not be easily detected by product pirates, but are verifiable by the original manufacturer with relatively simple means.
- a method for producing a marked article is known, for example, from German Patent DE 10 2006 030 365 B3.
- a turbine blade is provides ⁇ Herge by a metal casting process in which a labeling agent is poured into the turbine blade.
- the invention has for its object to provide a method for producing a marked object with which markings in a particularly flexible manner, for example, at the same time also different types of marking can be realized.
- This object is achieved by a method having the features according to claim 1.
- Advantageous embodiments of the method according to the invention are specified in subclaims.
- the invention provides that the article is produced by an additive manufacturing process, wherein during the additive manufacturing process in the Ge ⁇ genstand at least one marking agent is formed.
- a significant advantage of the method according to the invention is that it allows many degrees of freedom in the design of the marking. For example, with the inventive method in a very simple manner two or three dimensional structures of the additive during the manufacturing process within the article, as in Example ⁇ cavities are hidden.
- manufacturing parameters may be varied, be it stochastic or deterministic, to produce density variations.
- the density fluctuations form the marking means.
- Another major advantage of the method is the fact that this is very fast and kos ⁇ -effectively feasible because with the same method, in other words at the same time, the object and the marks can be manufactured.
- Additive manufacturing processes are already known per se from other fields of technology. For example only was diesbe ⁇ bib refer to the publication "Wohlers Report 2008" (0-9754429-4-5 Terry T. Wohlers, Wohlers Associates Inc., Fort Collins, CO, USA, ISBN). This document shows examples of how additive manufacturing processes can be carried out in detail.
- the at least one marking agent is included or embedded in the article.
- radiating methods such as. B. on the basis of X-rays with planar or two-dimensional resolution or on the basis of computed tomography with three-dimensional resolution ⁇ be used to detect local density differences in the subject and image.
- thermography which allows a two-dimensional resolution and thereby represents local differences in the local thermal conductivity and density ⁇ differences within the marked object.
- Exemplary inductive measurement method in this respect are to be mentioned in which, for example, with a moving sensor, a magnetic field is generated and the change of the magnetic field due to local differences in density in the selected Ge ⁇ subject matter is indicated by means of an induced voltage in a coil of the sensor.
- a first powder layer is melted locally by means of an energy beam to form a first material layer; subsequently it, so in this first material ⁇ layer, layer by layer up ⁇ introduced more powder coatings which are melted locally in each case with the formation of additional material layers.
- the marked object is formed by a plurality of successive individual layers.
- liquid layers may be used instead of powder layers to be hardened locally by means of an energy beam, so that the labeled Ge ⁇ subject matter composed in this manner of layers.
- the marked article is produced in a metallic powder bed with a laser beam or electron beam.
- the laser or electron beam serves for the selective melting of the thin powder layers, which form the marked object after cooling.
- CAD data are processed which describe the object to be marked by a solid model or a surface model.
- CAD data are preferably converted prior to or during the additive preparation process in layer data, where each layer corresponds to a cross section of the to mar ⁇ kierenden object with finite thickness.
- the cross-sectional geometry of the object to be marked is produced by a line-like exposure of the outer contours, and a sheet-like exposure of the cross sections to be filled during the additive preparation process preference ⁇ example.
- the line-like exposure is in the case of a point characteristic of the beam of energy preferably reali Siert ⁇ by a corresponding beam movement.
- a plane-like exposure can take place, for example, by a juxtaposition of line-like exposure processes.
- the porous structure may, for example, be a sintered structure.
- the porous structure is particularly easy and therefore constitute prior ⁇ some way by an energy beam with different parameters than those used for the preparation of the material layers, is directed onto the base material (powder or flues ⁇ stechniks slaughter).
- the Pa ⁇ parameters for producing the porous structure may be varied stochastically, so that a random distribution of pores is formed within the structure.
- the energy density of the energy beam during the generation of the porous structure is varied stochastically, and it is formed by the random Po ⁇ renverotti within the structure.
- Such stochastic pore distribution can not copy quasi ⁇ ren, so that an optimum copy protection is guaranteed.
- a material other than that used for the additive manufacturing process may be inserted in the article to be marked or in a cavity within the article to be marked.
- a material is used which has a different density, a different permittivity and / or other Perme ⁇ ABILITY.
- a magnetic material is inserted as a marking agent.
- un ⁇ treated or otherwise treated base material z. B. un- molten or otherwise molten powder layer material or uncured or otherwise hardened liquid ⁇ layer material
- base material is meant the material used for the additive manufacturing process.
- a marking means in the form of a two- or three-dimensional code can be formed in the object to be marked or in a cavity within the object to be marked; such Markie ⁇ agent is preferably formed during or by the additive manufacturing process.
- a marking means in the form of a barcode and / or a marking means with a check digit are formed.
- a turbine acting ⁇ fel in particular a rotor blade, a vane or a compressor blade is manufactured as a labeled article.
- Figure 2 shows an embodiment of an article in which a marking is formed by magnetic material
- Figure 3 is an exemplary embodiment of an article in which untreated for marking material USAGE was ⁇ det, which incorporated ⁇ sets during the additive manufacturing method for manufacturing the object
- Figure 4 shows an embodiment of an object, wherein the marker porous by a Structure is formed with stochastic pore distribution.
- FIG. 1 shows an exemplary embodiment of a marking object which is identified by the reference numeral 10. is marked.
- the marked item may be a component for a gas or steam turbine ⁇ , for example, a turbine blade, be, for example.
- the reference symbols A and B show two different cross sections through the object 10.
- the reference character C indicates a longitudinal section through the object.
- the marking coincides with a marker stored in a database. If a corresponding marker is found in the database, the item 10 is an original item; however, if a corresponding flag is not found again in the database, it is obviously an unauthorized copy.
- FIG. 2 shows an exemplary embodiment for marking the article 10 according to FIG. It can be seen in Figure 2 left a layer of material 30, which is located in the transverse ⁇ sectional plane A. In addition, to recognize a material layer 40, which lies in the section plane ⁇ B in the middle of FIG. 2 On the far right, FIG. 2 shows the plane C according to FIG. 1.
- cavities or cavities were formed, which coincide with the numeral 20 are designated.
- the cavities 20 were forth provided ⁇ by the manufacturing process was during the performance of the additive manufacturing process is interrupted and uncured base material (powder or LIQUID), which was placed a ⁇ during the additive preparation process, was removed by means of a suitable device. As a result of this removal, the cavities 20 were generated . Before completely closing the cavities 20, they were filled with a marking material, such as a magnetic material, in whole or in part. The filled in this manner, cavities 20 form marking means 50 to the object 10.
- the marker 50 can he be evaluated ⁇ detected and by means of a suitable electronic evaluation device for example by means of a magnetic measuring method.
- the marking means 50 are formed by holes or cavities which are completely or partially filled with another material, for example a magnetic material.
- FIG. 3 shows the material layer 30 which is arranged in the cross-sectional plane A according to FIG.
- the material ⁇ layer 40 can be seen, which lies in the cross-sectional plane B of Figure 1.
- marking means 50 for the article 10
- base material powder material or liquid material
- a covering or encapsulating material layer forms, for example, Ma ⁇ terial für 40 in the cross-sectional plane B.
- the marking means 50 which is formed by uncured or un ⁇ treated base material (powder or liquid material) of the additive manufacturing process can two- or three-dimensionally designed to be and form a coding, for example in alphanumeric form or as a barcode. Check digits and other keys can also be used as a marking means 50.
- the detection of the marking means 50 according to FIG. 3 is achieved, for example, by metrological detection of density differences, for example at the interfaces at the transition between solid and powder / liquid, or by detecting different thermal properties between the hardened material layers 30 and 40 on the one hand and the marking agents 50, which are formed by the untreated base material (powder or liquid), on the other hand.
- differently hardened or differently treated base material may also be used for the marking.
- porous Ge add ⁇ for marking of the article 10 of Figure 1 can be subjected Hérange ⁇ .
- FIG. 4 one recognizes the terial Anlagen 30, which is arranged in the cross-sectional plane A.
- the material layer 40 can be seen, which lies in the cross-sectional plane B. It can be seen in FIG. 4 that a three-dimensional porous structure 70 having a plurality of individual pores 80 is formed in the material layers 30 and 40. The location of the pores 80 within the porous structure 70 is stochastic.
- porous structure 70 can be manufactured at ⁇ play by varying 30 and 40 stochastic or deterministic during the additive preparation process locally melting or curing of the base material (powder or liquid) for the preparation of the material layers.
- the energy density of the energy beam is varied for melting or curing of the base material ⁇ locally.
- a porous structure in the form of a sintered structure can be formed.
- a sol ⁇ ches sintered structure can be formed by the combination of grains of a powdery base material, which are connected via so-called ⁇ sinter necks. Are located between the powder grains in such a case, the cavities, which usually involve the time of manufacture of the article a set ⁇ ambient or process gas.
- Such a sintered structure has a random structure, due to the stochastic distribution of the grains in the powder coating, so that every article which is produced by such a method has a non-reproducible and therefore unique identification.
- the porous structure 70 shown in FIG. 4 is detected metrologically within the framework of the production of the object 10 or thereafter and stored, for example, in electronic form in a database, it can be ascertained at any time at a later time whether there is a problem the object to be tested is precisely this object 10 according to FIG. 1: For this purpose, a pore distribution is sought at the corresponding points; if it can be found, it is then compared with the pore distribution stored in the database. If the pore distributions agree, then it is an original object, otherwise a faux.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Powder Metallurgy (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010800427187A CN102574331A (zh) | 2009-09-25 | 2010-09-16 | 标记物体的制备方法 |
KR1020127007490A KR101428343B1 (ko) | 2009-09-25 | 2010-09-16 | 마킹된 물체의 제조 방법 |
EP10755145.9A EP2490882B1 (de) | 2009-09-25 | 2010-09-16 | Verfahren zum herstellen eines markierten gegenstandes |
US13/498,228 US20120183701A1 (en) | 2009-09-25 | 2010-09-16 | Method for producing a marked object |
JP2012530218A JP2013505855A (ja) | 2009-09-25 | 2010-09-16 | マーキングされた物体を製造する方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009043597.2 | 2009-09-25 | ||
DE102009043597A DE102009043597A1 (de) | 2009-09-25 | 2009-09-25 | Verfahren zum Herstellen eines markierten Gegenstandes |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011036087A1 true WO2011036087A1 (de) | 2011-03-31 |
Family
ID=42985632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/063608 WO2011036087A1 (de) | 2009-09-25 | 2010-09-16 | Verfahren zum herstellen eines markierten gegenstandes |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120183701A1 (de) |
EP (1) | EP2490882B1 (de) |
JP (1) | JP2013505855A (de) |
KR (1) | KR101428343B1 (de) |
CN (1) | CN102574331A (de) |
DE (1) | DE102009043597A1 (de) |
WO (1) | WO2011036087A1 (de) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012051981A3 (de) * | 2010-10-23 | 2012-06-14 | Mtu Aero Engines Gmbh | Bauteil, insbesondere triebwerkskomponente, mit einem zuordnungsmerkmal sowie verfahren |
EP2554360A1 (de) * | 2011-08-01 | 2013-02-06 | MTU Aero Engines GmbH | Generativ hergestelltes Bauteil mit wenigstens einer Marke und Verfahren zum Ausbilden, Reparieren und/oder Austauschen eines derartigen Bauteils |
FR2996487A1 (fr) * | 2012-10-08 | 2014-04-11 | Snecma | Procede de marquage en surface d'une piece de moteur a turbine a gaz par une representation graphique predefinie |
US20140315153A1 (en) * | 2011-10-12 | 2014-10-23 | Ormco Corporation | Fabrication of an orthodontic aligner from a negative mold designed by a computational device |
EP2875932A1 (de) * | 2013-11-25 | 2015-05-27 | SLM Solutions Group AG | Verfahren und Vorrichtung zur Erzeugung eines Werkstücks mit einem Informationscode |
WO2015091489A1 (en) * | 2013-12-18 | 2015-06-25 | Aktiebolaget Skf | A building block for a mechanical construction, the bearing and actuator |
WO2016165747A1 (en) * | 2015-04-14 | 2016-10-20 | Hewlett-Packard Development Company L.P. | Marking build material |
WO2017012964A1 (de) * | 2015-07-17 | 2017-01-26 | Man Diesel & Turbo Se | Fluidenergiemaschinenbauteil und verfahren zum herstellen desselben |
WO2017097763A1 (de) * | 2015-12-08 | 2017-06-15 | U-Nica Technology Ag | Dreidimensionales druckverfahren für die herstellung eines mit einem sicherheitsmerkmal gegen fälschungen geschützten erzeugnisses |
US9877259B2 (en) | 2014-03-31 | 2018-01-23 | Huawei Technologies Co., Ltd. | Dynamic energy-efficient transmit point (TP) muting for virtual radio access network (V-RAN) |
US9930534B2 (en) | 2014-04-23 | 2018-03-27 | Huawei Technologies Co., Ltd. | Method and apparatus for dynamic resource adjustment based on network sharing |
DE102018204510A1 (de) * | 2018-03-23 | 2019-09-26 | Eos Gmbh Electro Optical Systems | Computerbasiertes Verfahren zum Bereitstellen von Steuerbefehlsdaten für eine additive Herstellvorrichtung |
CN111267346A (zh) * | 2018-12-03 | 2020-06-12 | 海德堡印刷机械股份公司 | 在以3d打印方法制造期间对构件编码 |
DE102021113603A1 (de) | 2021-05-26 | 2022-12-01 | Technische Universität Darmstadt, Körperschaft des öffentlichen Rechts | Verfahren zur additiven Fertigung und additiv gefertigtes Bauteil |
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 |
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US11453167B2 (en) | 2018-12-03 | 2022-09-27 | Heidelberger Druckmaschinen Ag | Method for providing codes on components during a 3D manufacturing process |
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Also Published As
Publication number | Publication date |
---|---|
KR20120047298A (ko) | 2012-05-11 |
CN102574331A (zh) | 2012-07-11 |
DE102009043597A1 (de) | 2011-04-07 |
KR101428343B1 (ko) | 2014-08-07 |
JP2013505855A (ja) | 2013-02-21 |
EP2490882B1 (de) | 2014-08-06 |
US20120183701A1 (en) | 2012-07-19 |
EP2490882A1 (de) | 2012-08-29 |
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