DE19545167A1 - Method of manufacturing a prototype component or tool from a stereo-sintered polystyrene pattern - Google Patents

Method of manufacturing a prototype component or tool from a stereo-sintered polystyrene pattern

Info

Publication number
DE19545167A1
DE19545167A1 DE19545167A DE19545167A DE19545167A1 DE 19545167 A1 DE19545167 A1 DE 19545167A1 DE 19545167 A DE19545167 A DE 19545167A DE 19545167 A DE19545167 A DE 19545167A DE 19545167 A1 DE19545167 A1 DE 19545167A1
Authority
DE
Germany
Prior art keywords
tool
component
stereo
wax
polystyrene
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.)
Withdrawn
Application number
DE19545167A
Other languages
German (de)
Inventor
Wolfgang Wurst
Marvin Kar
Manfred Grueninger
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.)
HERMANN BUBECK KG MODELL- und FORMENBAU 70469 STUTTGART DE
HERMANN BUBECK KG MODELL und F
Bayerische Motoren Werke AG
Original Assignee
HERMANN BUBECK KG MODELL- und FORMENBAU 70469 STUTTGART DE
HERMANN BUBECK KG MODELL und F
Bayerische Motoren Werke 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 HERMANN BUBECK KG MODELL- und FORMENBAU 70469 STUTTGART DE, HERMANN BUBECK KG MODELL und F, Bayerische Motoren Werke AG filed Critical HERMANN BUBECK KG MODELL- und FORMENBAU 70469 STUTTGART DE
Priority to DE19545167A priority Critical patent/DE19545167A1/en
Publication of DE19545167A1 publication Critical patent/DE19545167A1/en
Application status is Withdrawn legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C7/00Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/02Lost patterns
    • B22C7/023Patterns made from expanded plastic materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/10Processes of additive manufacturing
    • B29C64/141Processes of additive manufacturing using only solid materials
    • B29C64/153Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/14Dipping a core
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29KINDEXING 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
    • B29K2025/00Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material

Abstract

Components are tools are manufactured as prototypes using a data record to produce a pattern by stereo-sintering of polystyrene, the pattern being dipped in liquid wax to coat it before applying a ceramic slip and firing the assembly. A blank is precision cast in the cavity formed by out-gassing of the polystyrene. Several patterns can be stereo-sintered to form parts which are assembled to provide the full pattern for coating. Surface contours of the component/tool can be re-machined after the wax-dipping stage.

Description

Die Erfindung bezieht sich auf ein Verfahren zum Herstellen von Bauteilen oder Werkzeugen, wobei insbesondere funktionsfähige Prototypen bzw. Werkzeuge zur Prototypen-Herstellung gemeint sind. The invention relates to a method for the production of components or tools, in particular tools for functional prototypes or prototype production are meant.

Bei der Herstellung von funktionsfähigen Prototypen, beispielsweise Zylinderköpfe für Brennkraftmaschinen, mußte bisher vom Formenbauer die entsprechenden For men gebaut werden. In the production of functional prototypes, such as cylinder heads for internal combustion engines, the mold makers the corresponding For men had to be built so far. Sodann wurden mit Hilfe dieser Formen ein Rohling herge stellt. Then, with the help of these forms represents a blank Herge.

Wurden Änderungen am Prototypen-Bauteil notwendig, so mußte der Formen bauer in der Regel mehrere Formkästen ändern, da sich eine Änderung selten nur auf einen Formkasten beschränkt. Necessitated changes to the prototype device, the forms had bauer change multiple flasks usually because a change rarely limited to a flask. Dadurch verteuerte sich die Herstellung von funktionsfähigen Prototypen ganz erheblich. Thus, the production of functional prototypes became more expensive considerably. Daneben benötigte man aufgrund der immer wieder vorgenommenen Änderungen in der Konstruktion mehrere Monate, bis ein funktionsfähiger Prototyp abgegossen war. In addition, they needed due to the constantly changes made in the construction of several months to a functional prototype was decanted.

Aufgabe der vorliegenden Erfindung ist es, hier Abhilfe aufzuzeigen und ein Ver fahren bereitzustellen, mit dem schnell und einfach Prototypen von Bauteilen, aber auch Werkzeugen, hergestellt werden können. Object of the present invention to demonstrate this situation and drive a Ver is to provide quick and easy prototyping of components, but also tools can be produced with that.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des 1. Anspruchs ge löst. This object is solves by the features of claim 1. ge. Mit diesem Verfahren ist es möglich, innerhalb wesentlich kürzerer Zeit und damit wesentlich preiswerter funktionsfähige Prototypen zu erhalten. With this method it is possible to obtain within a much shorter time and thus much less expensive functional prototypes.

Ausgehend von den CAD-Daten des Bauteils werden diese Daten so aufbereitet, daß sie sich für das Stereosintern eignen. Based on the CAD data of the component, these data are processed so that they are suitable for the stereo Intern. Zum Stereosintern wird Polystyrol ver wendet, weil dies rückstandslos beim Brennen der keramischen Schlicke ent gast/ausbrennt. For stereo Internal polystyrene ver is spent because this residue hospitable ent during firing of the ceramic muds / burns. Der so geschaffene Hohlraum kann dann im Feingußverfahren mit Aluminium ausgefüllt werden. The thus created cavity can then be filled in precision casting with aluminum.

Dieses Verfahren eignet sich nicht nur zur Herstellung von Prototypen-Bauteilen, sondern auch zur Herstellung von Werkzeugen, insbesondere Gießwerkzeugen für den Druckguß und/oder Spritzguß von Prototypen. This method is not only suitable for the production of prototype parts, but also for the production of tools, in particular molding tools for die casting and / or injection of prototypes.

Je nach Komplexität des Bauteils ist es sinnvoll, dies in mehrere Teilstücke zu zer legen und diese dann nach dem Tauchen in Wachs auf einer entsprechenden Vorrichtung zusammenzusetzen. Depending on the complexity of the component, it makes sense, it lay in several pieces to zer and then put them together after immersion in wax on a corresponding device.

Die Weiterbildung nach Anspruch 3 hat den Vorteil, daß vor dem Zusammensetzen die einzelnen Teilstücke noch nachgearbeitet werden können, so daß Oberflächen fehler nahezu ausgeschlossen sind. The development according to claim 3 has the advantage that the individual sections may be reworked prior to assembly or so that surfaces are error virtually eliminated.

Im folgenden wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels schematisiert näher beschrieben. In the following the invention with reference to a preferred embodiment is schematically described in greater detail. Es stellen dar: , In which:

Fig. 1 eine perspektivische Ansicht eines mit Hilfe des Stereosinterns herge stellten Bauteils; Figure 1 is a perspective view of a set with the aid of the stereo sintering Herge component.

Fig. 2 ein Bauteil-Teilstück nach dem Tauchen in Wachs; Fig. 2 is a part-section after dipping in wax;

Fig. 3 eine perspektivische Ansicht zweier Bauteil-Teilstücke; Figure 3 is a perspective view of two component portions.

Fig. 4 die Montagevorrichtung zum Zusammensetzen zweier Bauteil-Teil stücke; . Figure 4 shows the mounting apparatus for assembling pieces of two-component part;

Fig. 5 ein Bauteil-Teilstück gegossen und als Modell. Fig. 5 is a part-section and poured as a model.

Die Herstellschritte gemäß der Erfindung werden im folgenden anhand eines luft gekühlten Motorrad-Zylinderkopfes näher erläutert. The manufacturing steps according to the invention are explained below with reference to an air-cooled motorcycle cylinder head in more detail.

Als erstes werden die Konstruktionsdaten des Zylinderkopfes so aufbereitet, daß sie sich zum Stereosintern eignen. First, the design data of the cylinder head are processed so that they are suitable for stereo Intern. Um ein Modell aus Polystyrol mit Hilfe des Stereo sinterns herzustellen, wird folgendermaßen vorgegangen. To establish a model of polystyrene using the stereo sintering procedure is as follows. Auf einer Metallplatte wird eine Schicht aus Polystyrol-Pulver aufgestreut. On a metal plate, a layer of polystyrene powder is scattered. Sodann wird mit Hilfe eines Laserstrahls das Polystyrol-Pulver gesintert. Then, the polystyrene sintered powder using a laser beam. Hierzu fährt der Laserstrahl über die Oberfläche an den Stellen, an denen volles Material sein soll. To this end, the laser beam moves over the surface at the points at which full material should be. An Stellen, an denen sich Hohlräume befinden, bleibt das unbehandelte Polystyrol-Pulver liegen. At locations which are cavities, the untreated polystyrene powder remains lying. Ist das aufgestreute Pulver durch den Laserstrahl gesintert, wird eine neue Schicht Pulver aufgestreut und der Vorgang beginnt von neuem. Is the sprinkled powder is sintered by the laser beam, a new layer of powder is spread and the process begins again. Auf diese Art und Weise wird ein Bauteil schichtweise hergestellt. In this manner, a component is manufactured in layers.

Nach dem Stereosintern wird das nicht gesinterte Polystyrol-Pulver durch Schütteln oder Klopfen aus dem Bauteil entfernt. After the stereo sintering the non-sintered polystyrene powder is removed by shaking or knocking out of the component.

Je nach Komplexität des Bauteils wird es in mehrere Teilstücke zerlegt, die dann einzelnen mit Hilfe des Stereosinterns hergestellt werden. Depending on the complexity of the component is decomposed into a plurality of sections, which are then each manufactured by means of the stereo sintering.

Im vorliegenden Beispiel des Zylinderkopfes werden zwei Hälften hergestellt. In this example, the cylinder head two halves are made. Eine fertig (nach dem Stereosintern) hergestellte Hälfte ist in Fig. 1 dargestellt. A ready made (after the stereo internal) half of which is shown in FIG. 1.

Nach dem Entfernen des losen Polystyrol-Pulvers wird das Bauteil in flüssiges Wachs getaucht, damit eine geschlossene, leicht zu entfernende Oberfläche ent steht. After removal of the loose polystyrene powder, the component is dipped in molten wax, so that a closed, easily removable surface is ent. Dies ist in Fig. 2 dargestellt. This is illustrated in Fig. 2. Anschließend wird die Wachsoberfläche eventuell noch von Hand nachgearbeitet. Then the wax surface may still be reworked by hand.

Zwei gewachste Bauteil-Teilhälften sind in Fig. 3 dargestellt. Two waxed component halves are shown in Fig. 3. Hier ist auch deutlich die Trennfuge zwischen den Bauteil-Teilstücken erkennbar. Here the dividing line between the component sections is also clearly visible.

Anschließend werden diese beiden Bauteil-Teilstücke auf einer entsprechenden Vorrichtung lagegenau angebracht und miteinander verklebt. Subsequently, these two component sections are mounted on a precise position of a corresponding device and glued together. Dies ist in Fig. 4 dargestellt. This is illustrated in Fig. 4.

Nach dem Zusammenfügen der Bauteil-Teilstücke zu einem gesamten Bauteil wird auf die Wachsoberfläche keramische Schlicke aufgebracht. After the joining of the component sections to an entire component ceramic muds is applied to the wax surface. Sobald eine genü gende Schichtdicke vorhanden ist, wird das so beschichtete Modell in einen Brenn ofen gebracht. Once a genü narrowing layer thickness is present, the so coated pattern is placed in a combustion furnace. Dort wird die Schlicke gebrannt und wird so zu einer harten Kera mikschicht. There, the silts is fired and thus mikschicht a hard Kera. Gleichzeitig wird bei diesen Brenntemperaturen das Polystyrol rück standslos ausgebrannt. At the same time the polystyrene is burned back standslos at these firing temperatures. Der so entstandene Hohlraum ist eine exaktes Abbild des zu fertigenden Bauteils. The resulting cavity is an exact replica of the component to be produced.

Anschließend wird im Feinguß dieser Hohlraum mit einer Alumi nium/Aluminiumlegierung und/oder einer Stahllegierung ausgefüllt. This cavity is then filled with a Alumi nium / aluminum alloy and / or a steel alloy in investment casting.

Nach dem Abkühlen des Aluminiums wird die Keramikform zerschlagen, das Guß stück gereinigt und in üblicher Weise bearbeitet. After cooling the aluminum, the ceramic mold is broken, the molding piece cleaned and processed in the usual manner.

Fig. 5 zeigt in der rechten Bildhälfte das Polystyrol-Modell-Teilstück. Fig. 5 shows the polystyrene model portion in the right half. In der linken Bildhälfte ist das fertig im Feinguß aus Aluminium hergestellte Zylinderkopf-Gegen teilstück dargestellt. In the left half of which is finished in precision casting made of aluminum cylinder head mating portion shown. Hier wird deutlich, daß sich beide Teilstücke entsprechen und daß das Polystyrol-Modell originalgetreu umgesetzt wird. Here it is clear that both portions correspond and in that the polystyrene model is implemented faithfully.

Dieses Verfahren ist wesentlich schneller als das bisherige Verfahren, da bei einer Konstruktionsänderung nur die Daten für das Stereosintern entsprechend geändert werden müssen. This procedure is much faster than the previous method, since a design change only the data for the stereo Intern must be amended accordingly. Sodann kann ein neues Polystyrol-Modell mit Hilfe des Stereo sinterns hergestellt werden. Then, a new polystyrene model using the stereo be produced sintering. Anschließend werden die oben beschriebenen Schritte durchgeführt. Subsequently, the steps described above are performed.

Claims (3)

1. Verfahren zum Herstellen von Bauteilen oder Werkzeugen, bestehend aus der Kombination folgender Schritte: 1. A method for the production of components or tools, consisting of the combination of the following steps:
  • - Anhand eines Datensatzes des Bauteils/Werkzeugs wird durch Stereosintern aus Polystyrol ein Modell des Bauteils/Werkzeugs hergestellt, - using a data set of the component / tool, a model of the component / tool is prepared by stereo Intern of polystyrene,
  • - das Polystyrol-Modell wird durch Tauchen in flüssiges Wachs mit Wachs überzogen, - the polystyrene pattern is coated by immersion in liquid wax with wax,
  • - auf die Wachsoberfläche wird keramische Schlicke aufgebracht, - on the wax surface ceramic muds is applied,
  • - das so beschichtete Modell wird gebrannt, - the so-coated pattern is fired,
  • - der durch das Ausgasen des Polystyrols entstehende Hohlraum wird im Feinguß-Verfahren ein Rohling gegossen, - the resulting by the outgassing of the polystyrene cavity a blank is cast in the investment casting method,
  • - der Rohling wird entformt. - the blank is removed from the mold.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß durch das Stereosintern mehrere Teilstücke des Bauteils/Werkzeugs hergestellt werden, die nach dem Tauchen in Wachs zu einem Gesamtbauteil/Werkzeug zusammengesetzt werden. 2. The method according to claim 1, characterized in that a plurality of pieces of the component / tool are produced by the stereo Internal, which are assembled after dipping in wax to a total component / tool.
3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß nach dem Tauchen in Wachs die Ober flächenkonturen des Bauteils/Werkzeugs nachgearbeitet werden. 3. The method of claim 1 or 2, characterized in that after dipping in wax, the upper surface contour of the component / tool to be reworked.
DE19545167A 1995-12-04 1995-12-04 Method of manufacturing a prototype component or tool from a stereo-sintered polystyrene pattern Withdrawn DE19545167A1 (en)

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Cited By (27)

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DE19800863A1 (en) * 1998-01-13 1999-07-15 Felix Grunewald Kg A process for the production of components, preferably prototypes
DE19927923A1 (en) * 1999-06-18 2000-07-13 Daimler Chrysler Ag Post treatment of sintered polystyrene components, especially models for further processes, by immersing in a warmed infiltration material
DE10223371A1 (en) * 2002-05-25 2003-12-04 Peter Amborn Mold for the production of metal moldings by casting, hot, hot o., Cold forming, a method for producing such a mold
DE10336923A1 (en) * 2003-08-07 2005-03-10 B P S Engineering Ges Fuer Umw Blow molding tool manufacture involves rapid prototype production of a mineral based model which is divided and each half is placed in a frame and low melting point alloy cast onto the back
EP1614526A1 (en) * 2004-07-06 2006-01-11 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Method for producing large parts from intermediate parts and for assembling said intermediate parts
DE102007049058A1 (en) 2007-10-11 2009-04-16 Voxeljet Technology Gmbh Material system and method for modifying properties of a plastic component
US8096262B2 (en) 2004-02-19 2012-01-17 Ingo Ederer Method and device for applying fluids
US8715832B2 (en) 2008-11-20 2014-05-06 Voxeljet Ag Method for the layered construction of plastic models
US8911226B2 (en) 2010-04-14 2014-12-16 Voxeljet Ag Device for producing three-dimensional models
US8956140B2 (en) 2010-07-13 2015-02-17 Voxeljet Ag Apparatus for producing three-dimensional models by means of a layer build up technique
US8956144B2 (en) 2010-02-04 2015-02-17 Voxeijet AG Device for producing three-demensional models
GB2523314A (en) * 2014-02-19 2015-08-26 Stratec Biomedical Ag Rapid tooling
US9174391B2 (en) 2010-03-31 2015-11-03 Voxeljet Ag Device for producing three-dimensional models
US9242413B2 (en) 2011-01-05 2016-01-26 Voxeljet Ag Device and method for constructing a laminar body comprising at least one position adjustable body defining the working area
US9333709B2 (en) 2010-03-31 2016-05-10 Voxeljet Ag Device and method for producing three-dimensional models
US9403324B2 (en) 2000-09-25 2016-08-02 Voxeljet Ag Method for producing a part using a deposition technique
US9643360B2 (en) 2006-08-20 2017-05-09 Voxeljet Ag Self-hardening material and process for layerwise formation of models
US9770867B2 (en) 2010-12-29 2017-09-26 Voxeljet Ag Method and material system for building models in layers
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US10052682B2 (en) 2012-10-12 2018-08-21 Voxeljet Ag 3D multi-stage method
US10059058B2 (en) 2012-06-22 2018-08-28 Voxeljet Ag Device for building a multilayer structure with storage container or filling container movable along the dispensing container
US10059062B2 (en) 2012-05-25 2018-08-28 Voxeljet Ag Device for producing three-dimensional models with special building platforms and drive systems
US10213831B2 (en) 2012-11-25 2019-02-26 Voxeljet Ag Construction of a 3D printing device for producing components
US10220567B2 (en) 2012-03-06 2019-03-05 Voxeljet Ag Method and device for producing three-dimensional models
US10220568B2 (en) 2013-12-02 2019-03-05 Voxeljet Ag Interchangeable container with moveable side walls
US10226919B2 (en) 2007-07-18 2019-03-12 Voxeljet Ag Articles and structures prepared by three-dimensional printing method

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US6283194B1 (en) 1998-01-13 2001-09-04 Grunewald Gmbh & Co. Kg Process for producing structural elements
DE19800863A1 (en) * 1998-01-13 1999-07-15 Felix Grunewald Kg A process for the production of components, preferably prototypes
DE19927923A1 (en) * 1999-06-18 2000-07-13 Daimler Chrysler Ag Post treatment of sintered polystyrene components, especially models for further processes, by immersing in a warmed infiltration material
US9403324B2 (en) 2000-09-25 2016-08-02 Voxeljet Ag Method for producing a part using a deposition technique
US10213938B2 (en) 2000-09-25 2019-02-26 Voxeljet Ag Method for producing a part using a deposition technique
DE10223371A1 (en) * 2002-05-25 2003-12-04 Peter Amborn Mold for the production of metal moldings by casting, hot, hot o., Cold forming, a method for producing such a mold
DE10336923A1 (en) * 2003-08-07 2005-03-10 B P S Engineering Ges Fuer Umw Blow molding tool manufacture involves rapid prototype production of a mineral based model which is divided and each half is placed in a frame and low melting point alloy cast onto the back
US8096262B2 (en) 2004-02-19 2012-01-17 Ingo Ederer Method and device for applying fluids
US9463488B2 (en) 2004-02-19 2016-10-11 Voxeljet Ag Method for applying particle material including a metering system and leveling element
EP1614526A1 (en) * 2004-07-06 2006-01-11 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Method for producing large parts from intermediate parts and for assembling said intermediate parts
US9676143B2 (en) 2006-08-10 2017-06-13 Voxeljet Ag Self-hardening material and process for layerwise formation of models
US9643360B2 (en) 2006-08-20 2017-05-09 Voxeljet Ag Self-hardening material and process for layerwise formation of models
US10226919B2 (en) 2007-07-18 2019-03-12 Voxeljet Ag Articles and structures prepared by three-dimensional printing method
DE102007049058A1 (en) 2007-10-11 2009-04-16 Voxeljet Technology Gmbh Material system and method for modifying properties of a plastic component
US8349233B2 (en) 2007-10-11 2013-01-08 Voxeljet Gmbh Material system and method for changing properties of a plastic component
US8715832B2 (en) 2008-11-20 2014-05-06 Voxeljet Ag Method for the layered construction of plastic models
US9925721B2 (en) 2010-02-04 2018-03-27 Voxeljet Ag Device for producing three-dimensional models
US8956144B2 (en) 2010-02-04 2015-02-17 Voxeijet AG Device for producing three-demensional models
US9174391B2 (en) 2010-03-31 2015-11-03 Voxeljet Ag Device for producing three-dimensional models
US9815243B2 (en) 2010-03-31 2017-11-14 Voxeljet Ag Device for producing three-dimensional models
US9333709B2 (en) 2010-03-31 2016-05-10 Voxeljet Ag Device and method for producing three-dimensional models
US9656423B2 (en) 2010-03-31 2017-05-23 Voxeljet Ag Device and method for producing three-dimensional models
US9993975B2 (en) 2010-03-31 2018-06-12 Voxeljet Ag Device for producing three-dimensional models
US9962885B2 (en) 2010-04-14 2018-05-08 Voxeljet Ag Device for producing three-dimensional models
US8911226B2 (en) 2010-04-14 2014-12-16 Voxeljet Ag Device for producing three-dimensional models
US10179365B2 (en) 2010-04-17 2019-01-15 Voxeljet Ag Method and device for producing three-dimensional models
US9914169B2 (en) 2010-04-17 2018-03-13 Voxeljet Ag Method and device for producing three-dimensional models
US9149987B2 (en) 2010-07-13 2015-10-06 Voxeljet Ag Device for producing three-dimensional models by a layering technique
US8956140B2 (en) 2010-07-13 2015-02-17 Voxeljet Ag Apparatus for producing three-dimensional models by means of a layer build up technique
US9770867B2 (en) 2010-12-29 2017-09-26 Voxeljet Ag Method and material system for building models in layers
US9242413B2 (en) 2011-01-05 2016-01-26 Voxeljet Ag Device and method for constructing a laminar body comprising at least one position adjustable body defining the working area
US9649812B2 (en) 2011-01-05 2017-05-16 Voxeljet Ag Device and method for constructing a laminar body comprising at least one position-adjustable body defining the working area
US10220567B2 (en) 2012-03-06 2019-03-05 Voxeljet Ag Method and device for producing three-dimensional models
US10059062B2 (en) 2012-05-25 2018-08-28 Voxeljet Ag Device for producing three-dimensional models with special building platforms and drive systems
US10059058B2 (en) 2012-06-22 2018-08-28 Voxeljet Ag Device for building a multilayer structure with storage container or filling container movable along the dispensing container
US10052682B2 (en) 2012-10-12 2018-08-21 Voxeljet Ag 3D multi-stage method
US10213831B2 (en) 2012-11-25 2019-02-26 Voxeljet Ag Construction of a 3D printing device for producing components
US10220568B2 (en) 2013-12-02 2019-03-05 Voxeljet Ag Interchangeable container with moveable side walls
US9943981B2 (en) 2013-12-11 2018-04-17 Voxeljet Ag 3D infiltration method
GB2523314A (en) * 2014-02-19 2015-08-26 Stratec Biomedical Ag Rapid tooling

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