WO2014139491A1 - Procédé génératif pour produire un élément consitutif comportant au moins un canal, par technique d'impression 3d avec un sable et un liant - Google Patents

Procédé génératif pour produire un élément consitutif comportant au moins un canal, par technique d'impression 3d avec un sable et un liant Download PDF

Info

Publication number
WO2014139491A1
WO2014139491A1 PCT/DE2014/000041 DE2014000041W WO2014139491A1 WO 2014139491 A1 WO2014139491 A1 WO 2014139491A1 DE 2014000041 W DE2014000041 W DE 2014000041W WO 2014139491 A1 WO2014139491 A1 WO 2014139491A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
generative method
sand
channel
liquid
Prior art date
Application number
PCT/DE2014/000041
Other languages
German (de)
English (en)
Inventor
Asko FROMM
Original Assignee
Universität Kassel
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 Universität Kassel filed Critical Universität Kassel
Publication of WO2014139491A1 publication Critical patent/WO2014139491A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
    • B28B7/46—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for humidifying or dehumidifying
    • B28B7/465—Applying setting liquid to dry mixtures
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/00181—Mixtures specially adapted for three-dimensional printing (3DP), stereo-lithography or prototyping

Definitions

  • the invention relates to a generative method for producing a component having at least one channel by 3D printing technology with a sand and a binder, wherein the at least one channel projects at at least one end up to the edge of the component.
  • DE 199 00 597 A1 describes in this context a method for producing a sheet metal forming tool for small series production.
  • laser sintering or laminating are used as the method, the shaped bodies produced in this way being later infiltrated with a resin as part of a sheet metal forming tool in order to reduce the compressibility.
  • a method is known in which individual moldings are contoured in their form by rolling or stamping tools in their surface. With such preformed bodies is then made a mold that is filled in, with the
  • Outer contour of the shape-forming body thus form quasi the formwork for the filling material, wherein the filler material is also contoured by tamping or rolling tools on the surface.
  • cavities not only cavities within the component understood, but also, for example, channels that extend from one end of the component to the next, such channels in any form in the
  • o Component can be arranged. Such cavities also count
  • Sand is understood as meaning a substance which, with the binder, forms a
  • Concrete components are known in a variety of shapes and sizes.
  • concrete was mainly used only in the construction of buildings, in particular buildings or bridges. In the course of time, however, the scope of application of concrete has certainly been
  • EP 2 269 808 A1 discloses the production of plastic bodies by way of 3D printing technology.
  • a mold with a bottom adjustable in vertical direction is known, wherein the bottom is shifted to the layered structure of the body in the form down.
  • the body can here after completion undercuts,
  • the components produced by means of 3D printing technology as a generative process which are essentially made of a mixture of sand and a binder, for example a cement or a polymer material or a mixture of cement and a
  • Polymer material are characterized first by the fact that they are highly porous i o. This porosity of the workpiece requires a low
  • the object underlying the invention is therefore to solidify such a component produced, for example, by way of 3D printing technology.
  • the features of claim 1 that the 0 produced by means of 3D printing porous component to increase the strength and density is soaked in a liquid, curable composition. "Soaking” is also understood when the liquid, curable composition is injected, infiltrated or filled into the component, for example into the at least one cavity
  • the at least one cavity designed as a channel is arranged in the component such that the component volume to be impregnated between the outer surface of the component and the at least one channel is substantially equal on all sides, so that in a predetermined time it is ensured that the complete component is completely saturated with a given porosity.
  • the liquid curable composition in the at least one channel after its solidification has a higher strength than the surrounding component.
  • this solidified mass can act as a reinforcement.
  • the component is made of a sand and a binder. This can after a
  • the binder is a hydraulic binder z. B. be a cement, in which case for the manufacture of the component of the sand and the cement as a dry mixture in layers, with a layer density of 0.05 to 5 mm, preferably of 0.01 mm, are deposited on a substrate, wherein after each layer the respective the last layer is wetted with water to allow the setting of the cement.
  • the individual layers are applied to one another at specific time intervals, the time intervals being dependent on the progress of the setting process of the respective lower layer.
  • a body produced in such a way is porous, since a solidification of the individual layers essentially can not take place.
  • the final impregnation of the component in the curable and initially liquid mass leads to a significant increase in the strength of the component as a whole.
  • the binder may also be a liquid polymer material.
  • the use of polymer materials in the production of concrete components is known, inasmuch as, for example, so-called polymer concretes are known, which are characterized by high strength.
  • polymer concretes which are characterized by high strength.
  • Polymer material produced body as porous as such a body which is made of sand and a hydraulic binder, such as a cement. The reason for this is to be found in the same way that also here no mechanical hardening can take place in the layered structure of the component.
  • the liquid curable composition is, in particular, the use of a cement slurry or a liquid polymer material especially one with fibers, z.
  • a cement slurry or a liquid polymer material especially one with fibers, z.
  • plastic and / or metal fibers offset cement slurry or polymer material in question.
  • the liquid curable composition preferably has a higher strength after hardening than the surrounding material, so that the hardened material present in the channels can function as reinforcement for load transfer in the case of external forces acting on the body. It has proved to be advantageous if the polymer material is a resin, since such resins are particularly suitable for soaking such porous materials.
  • Fig. 1 shows schematically a concrete component of the invention
  • Fig. 2 shows a view from above of the concrete part of FIG. 1; shows a formation of the cavity in a view of the
  • Fig. 3 shows a device for producing a concrete component in a schematic representation
  • Fig. 4 shows a side view of Fig. 3;
  • a concrete component is designated 1.
  • the concrete component 1 shows three superimposed recesses 2, which serve to receive a reinforcement.
  • the one recess is intended to extend in three spatial directions in order to make it clear which possibilities the method according to the invention opens up.
  • the individual layers of the dry mixture are deposited on each other.
  • the layers are wetted with water only where the layer is to set to form the concrete component. In this respect are also in the
  • cavities formed from a dry mixture wherein the layers are supported above the horizontal apex of a substantially circular recess on the underlying layers, which have not been sprayed with water. That in the
  • the recess located dry, not hardened mixture trickles when receiving the concrete part of the pad out of the recess or it is blown or sucked out.
  • the device according to FIG. 3 is characterized by one in three
  • Spatial directions movable discharge head 10, which is designed as a discharge channel and which is arranged on a cross member 21.
  • the traverse 21 is held by two supports 22 which are displaceable on rails 23 in the direction of the arrow 25.
  • the traverse 21 is held vertically movable by the supports 22 (arrow 35).
  • the Traverse 21 forms with the Rails 23 and the supports 22, the frame 20.
  • At the discharge head 10 is designed as a spray head further discharge head 27, which serves for the discharge of water.
  • the discharge tray 27 movably arranged by the traverse in the direction of the arrow 30 and the discharge head 27 attached to the discharge chute and designed as a spray head are thus movable in three spatial directions.
  • the discharge head 10 designed as a discharge channel has a slot-like discharge opening 11 for the mixture of hydraulic binder and sand on the underside.
  • the spray head serves the contour sharp
  • the procedure for producing a structured concrete part is as follows: First, a layer of the mixture of
  • the layer is in plan view z. B. rectangular. Then the layer is sprayed with water according to the desired contour. After the shift
  • 0 has set or at least partially set so far that it is stiff, in turn, a layer of the dry mixture in a rectangular shape is applied to this first layer. Then this layer is sprayed with water according to the desired contour of this layer. The whole process is continued in layers until the body is finished as a concrete part. Then the concrete part is lifted off the base. The unbound mixture dissolves from the concrete part or concrete body; Cavities in the concrete part can be blown out with compressed air. In the cavities 2, a curable composition is introduced, which is able to absorb tensile forces after curing. As curing of mass here comes z. B. a plastic z. As a resin in question.
  • the production of a component by means of a binder in the form of a polymer material is similar to the production of such a component with a mixture of sand and a cement. In this respect, as well as in the manufacture of a component with sand and a
  • Binders made of a polymer material are repeatedly applied to individual layers of sand on a substrate, and these are then sprayed with the liquid polymer material, such as a resin, according to the desired contour. After solidification of each lower layer, another layer of sand is applied. Also, the resulting body or the component is characterized by a high porosity, which increases the strength by impregnating a curable liquid mass, for.
  • a polymer material and in particular also a resin and in particular under vacuum can be increased.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Producing Shaped Articles From Materials (AREA)

Abstract

L'invention concerne un procédé pour produire un élément constitutif comportant au moins une cavité, en particulier par technique d'impression 3D avec un sable et un liant, l'élément constitutif produit dans le cadre du procédé génératif étant imprégné d'une matière durcissable liquide afin d'augmenter la résistance.
PCT/DE2014/000041 2013-03-11 2014-02-01 Procédé génératif pour produire un élément consitutif comportant au moins un canal, par technique d'impression 3d avec un sable et un liant WO2014139491A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102013004086.8 2013-03-11
DE102013004086 2013-03-11
DE102013005891.0 2013-04-05
DE102013005891.0A DE102013005891A1 (de) 2013-03-11 2013-04-05 Generatives Verfahren zur Herstellung eines Bauteiles mit mindestens einer Kavität, insbesondere durch 3D-Drucktechnik mit einem Sand- und einem Bindemittel

Publications (1)

Publication Number Publication Date
WO2014139491A1 true WO2014139491A1 (fr) 2014-09-18

Family

ID=51385335

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/000041 WO2014139491A1 (fr) 2013-03-11 2014-02-01 Procédé génératif pour produire un élément consitutif comportant au moins un canal, par technique d'impression 3d avec un sable et un liant

Country Status (2)

Country Link
DE (1) DE102013005891A1 (fr)
WO (1) WO2014139491A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104926272A (zh) * 2015-06-14 2015-09-23 卞洪锋 一种3d打印材料及制备方法和使用方法及应用
CN105599103A (zh) * 2015-12-24 2016-05-25 成都新柯力化工科技有限公司 一种无机材料的3d打印成型方法
DE102015015629A1 (de) * 2015-12-03 2017-06-08 Audi Ag Verfahren zum Herstellen einer Gussform
CN110918883A (zh) * 2019-12-19 2020-03-27 华中科技大学 一种基于三维喷印的铸造砂型及其成形方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016004183A1 (de) 2016-04-11 2017-10-12 ancorro GmbH Bau- und Formmaterial aus Sand sowie deren verfahrenstechnische Umsetzung
CN106339490A (zh) * 2016-08-31 2017-01-18 铁道第三勘察设计院集团有限公司 基于3dgis和工程三维模型的铁路桥梁施工进度管理系统和管理方法
CN106363769A (zh) * 2016-09-08 2017-02-01 深圳市元征科技股份有限公司 房屋建筑系统及方法
DE102021106546A1 (de) 2021-03-17 2022-09-22 Max Bögl Stiftung & Co. Kg Verfahren und Vorrichtung zum schichtweisen Herstellen eines Körpers und Körper

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19900597A1 (de) 1998-12-01 2000-06-08 Fraunhofer Ges Forschung Blechumformungswerkzeug und Verfahren zu seiner Herstellung
US20030133822A1 (en) * 2000-06-16 2003-07-17 Urban Harryson Method and apparatus for producing free-form products
EP1475220A2 (fr) * 2003-05-09 2004-11-10 Fuji Photo Film Co., Ltd. Procédé pour la fabrication d'un modèle tridimensionnel et modèle tridimensionnel
DE102004019080B3 (de) 2004-04-20 2005-08-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Formkörpern aus einem form- und härtbaren Aufbaumaterial
DE102005009636A1 (de) * 2005-03-03 2006-09-07 Bayerische Motoren Werke Ag Bindemittelsystem
EP2063039A1 (fr) 2007-11-26 2009-05-27 Technical University of Denmark Structure légères portante
EP2110079A1 (fr) * 2008-04-14 2009-10-21 DKFZ Deutsches Krebsforschungszentrum, Stiftung des Öffentlichen Rechts Procédé pour dériver des structures anatomiques et/ou pathologiques de données émanant des technologies d'imagerie
EP2269808A1 (fr) 2003-05-21 2011-01-05 Z Corporation Ysteme de materiaux pulverulents thermoplastiques pour modeles d'apparence de systemes d'impression tridimensionnelle
WO2011021080A2 (fr) * 2009-07-24 2011-02-24 Monolite Uk Ltd Procédé et appareil pour la production rapide d'une structure de construction en aggloméré

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011113163A1 (de) * 2011-09-14 2013-03-14 Universität Kassel Verfahren und Vorrichtung zur Herstellung eines Betonbauteiles, sowie ein nach dem Verfahren hergestelltes Betonbauteil

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19900597A1 (de) 1998-12-01 2000-06-08 Fraunhofer Ges Forschung Blechumformungswerkzeug und Verfahren zu seiner Herstellung
US20030133822A1 (en) * 2000-06-16 2003-07-17 Urban Harryson Method and apparatus for producing free-form products
EP1475220A2 (fr) * 2003-05-09 2004-11-10 Fuji Photo Film Co., Ltd. Procédé pour la fabrication d'un modèle tridimensionnel et modèle tridimensionnel
EP2269808A1 (fr) 2003-05-21 2011-01-05 Z Corporation Ysteme de materiaux pulverulents thermoplastiques pour modeles d'apparence de systemes d'impression tridimensionnelle
DE102004019080B3 (de) 2004-04-20 2005-08-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Formkörpern aus einem form- und härtbaren Aufbaumaterial
DE102005009636A1 (de) * 2005-03-03 2006-09-07 Bayerische Motoren Werke Ag Bindemittelsystem
EP2063039A1 (fr) 2007-11-26 2009-05-27 Technical University of Denmark Structure légères portante
EP2110079A1 (fr) * 2008-04-14 2009-10-21 DKFZ Deutsches Krebsforschungszentrum, Stiftung des Öffentlichen Rechts Procédé pour dériver des structures anatomiques et/ou pathologiques de données émanant des technologies d'imagerie
WO2011021080A2 (fr) * 2009-07-24 2011-02-24 Monolite Uk Ltd Procédé et appareil pour la production rapide d'une structure de construction en aggloméré

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104926272A (zh) * 2015-06-14 2015-09-23 卞洪锋 一种3d打印材料及制备方法和使用方法及应用
DE102015015629A1 (de) * 2015-12-03 2017-06-08 Audi Ag Verfahren zum Herstellen einer Gussform
CN105599103A (zh) * 2015-12-24 2016-05-25 成都新柯力化工科技有限公司 一种无机材料的3d打印成型方法
CN105599103B (zh) * 2015-12-24 2017-10-31 广州市得保三维科技有限公司 一种无机材料的3d打印成型方法
CN110918883A (zh) * 2019-12-19 2020-03-27 华中科技大学 一种基于三维喷印的铸造砂型及其成形方法

Also Published As

Publication number Publication date
DE102013005891A1 (de) 2014-09-11

Similar Documents

Publication Publication Date Title
WO2014139491A1 (fr) Procédé génératif pour produire un élément consitutif comportant au moins un canal, par technique d'impression 3d avec un sable et un liant
EP2755806B1 (fr) Procédé de fabrication d'un élément en béton par technologie d'impression 3d
DE3724610A1 (de) Poroese form fuer den druckguss einer geschlemmten formmasse und verfahren zum herstellen der form
WO1991005111A1 (fr) Piece moulee en beton forme de plaque et procede et dispositif de fabrication
EP1605101B1 (fr) Procédé et dispositif pour la fabrication d'un panneau multicouche en béton
EP2416933B1 (fr) Coffrage pour une pièce en béton de précision formant une traverse de chemin de fer
DE2614036A1 (de) Einrichtung zum herstellen von fertigteilen aus spannbeton mit sofortigem verbund
CH627126A5 (fr)
AT402375B (de) Verfahren und vorrichtung zum herstellen von hohlbausteinen
DE102014001947A1 (de) Druckgussform und Verfahren zu dessen Herstellung
EP1817146B1 (fr) Moule de coulee, notamment moule de coulee sous pression, procede pour produire un tel moule de coulee et procede de coulee basse pression
EP0960989B1 (fr) Bloc de construction et méthode de fabrication d'un bloc de construction en béton
DE202009005359U1 (de) Schalung für Präzisions-Betonteile
DE4244333C2 (de) Verbundstein oder Verbundplatte
EP0084074B1 (fr) Procédé de fabrication d'objets pressés en forme à partir d'un mélange non expansible
DE10030518C1 (de) Preßwerkzeug und Verfahren zur Herstellung eines Preßwerkzeugs
EP2113352B1 (fr) Procédé de fabrication d'un élément de construction en béton poreux
AT518323B1 (de) Pressform für Dachziegel
DE2901545A1 (de) Verfahren und vorrichtung zum herstellen von formsteinen
EP1282494A1 (fr) Procede de fabrication de produits en beton fibreux
DE102019009162A1 (de) Produktlage von Betonpflastersteinen sowie Verfahren zur Herstellung von Betonpflastersteinen in einer Produktlage
WO2022199850A1 (fr) Procédé de production d'un élément en béton
EP2236670A2 (fr) Pavé poreux et son procédé de fabrication
DE102010050004A1 (de) Verfahren zum Herstellen von Perforationen aufweisende Artikel aus giessfähigen Massen
DE10036199A1 (de) Verfahren zur Herstellung von Produkten aus Glasfaserbeton

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14716221

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 14716221

Country of ref document: EP

Kind code of ref document: A1