WO2012084688A1 - Élément comprenant une chambre creuse remplie, utilisation de cet élément et son procédé de fabrication - Google Patents

Élément comprenant une chambre creuse remplie, utilisation de cet élément et son procédé de fabrication Download PDF

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Publication number
WO2012084688A1
WO2012084688A1 PCT/EP2011/072926 EP2011072926W WO2012084688A1 WO 2012084688 A1 WO2012084688 A1 WO 2012084688A1 EP 2011072926 W EP2011072926 W EP 2011072926W WO 2012084688 A1 WO2012084688 A1 WO 2012084688A1
Authority
WO
WIPO (PCT)
Prior art keywords
cavity
component
flowable
spatial structure
powder
Prior art date
Application number
PCT/EP2011/072926
Other languages
German (de)
English (en)
Inventor
Pajazit Avdovic
Andreas Graichen
Olaf Rehme
Martin Schäfer
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2012084688A1 publication Critical patent/WO2012084688A1/fr

Links

Classifications

    • 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
    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/002—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor with vibration damping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/04—Tool holders for a single cutting tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/103—Devices with one or more members moving linearly to and fro in chambers, any throttling effect being immaterial, i.e. damping by viscous shear effect only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2250/00—Compensating adverse effects during turning, boring or drilling
    • B23B2250/16—Damping of vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2250/00—Compensating adverse effects during milling
    • B23C2250/16—Damping vibrations
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/20—Tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00—Materials; Material properties
    • F16F2224/04—Fluids
    • 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 component with a cavity sealed to the environment, which is filled with two flowable materials which are present in two different phases. Moreover, the invention relates to a use of such a component. Finally, the invention also relates to a method for producing a component with an additive manufacturing method, in which the component is produced with a cavity sealed to the environment. This cavity is filled with two flowable materials that exist in two different phases.
  • a component of the type mentioned is, for example ge ⁇ Gurss DE 10 2006 026 967 AI described.
  • This component can be used for example as a tool holder, wherein the cavity is designed for vibration damping.
  • an additive manufacturing method is given, for example, the selective laser melting.
  • the component is produced with a cavity structure, such that the cavity structure can be filled with a non-solidified material.
  • the material in the cavity is moved at ei ⁇ ner vibrational stress of the component, whereby a damping effect is achieved.
  • chattering can be prevented, for example, in cutting manufacturing process.
  • the object of the invention is to provide a component with a filled cavity, which allows a comparatively good vibration damping at a vibratory stress of the component. Furthermore, it is an object of the OF INVENTION ⁇ dung to provide a use of the component, which benefits from the improved vibration damping. In addition, it is an object of the invention to provide a method for producing such a component, with which the component comparatively ⁇ can be easily manufactured.
  • a space ⁇ structure is arranged as a three dimensional flow obstruction in the cavity, which is anchored to the walls of the cavity and which can be flowed around by the flowable materials. So that a flow of the flowable materials in the spatial structure is possible, it must be designed to be open.
  • a space structure can be understood that at least a portion of the cavity a ⁇ takes and generates flow losses when the flowable materials to flow past it, or this flow around. This can be ensured ⁇ guaranteed for example by an open-pore material.
  • a spatial structure with pores is thus a disordered spatial structure, which may be formed for example by a metal foam.
  • the production of such a metal foam can be achieved by suitable additives in the metal, the cause gas evolution in temperature ranges in which the metal in question can be foamed, that is not molten, but softened.
  • the spatial structure is formed by a space grid with a defined geometry.
  • Such a geometry can be easily produced in particular with the method according to the invention for additive manufacturing (more on this in the following).
  • space grids can be generated, which are formed regularly or irregularly.
  • Regular space lattice have ei ⁇ ne structure that can be divided into elementary cells, the unit cells are strung together to form the spatial structure.
  • Regular spatial structures have the advantage that they cause minimal programming effort for the production facility in use of an additive Ferti ⁇ -approval process.
  • irregular spatial structures can be used if different degrees of damping properties are required within the cavity.
  • the spatial structure preferably consists of struts and nodes, so that it is formed by a framework. This results in a stiffening of the cavity structure-constituting member at advantageously low material costs on the one hand mög ⁇ Lich. In addition, relative to the cost of materials when flowing around the space grid by the flowable materials alien relatively large losses, which causes an advantageous strong damping effect.
  • Another option is to use instead of struts and nodes interconnected wall ⁇ structures. For example, this could be through Honeycomb structures are formed, which are arranged offset one behind the other.
  • flowable materials solid materials in the form of powders (ie, particulates), liquids or gases may be used. It is important that the cavity is filled with at least two flowable materials under defenceli ⁇ cher phase, so that the flowable materials can move within the cavity structure to form the desired damping effect. It is particularly preferred that a first flowable material moves in a gas as a second (solid or liquid) flowable material.
  • the first fluid material may be a Pul ⁇ ver which is present loose enough in the cavity, so that it can move in the gaseous medium. This results in both a friction of adjacent powder particles as well as a friction with the cavity structure located in the cavity.
  • the damping effect that the filling with the flowable material causes is due to the kinetic energy that can store the material in the cavity.
  • a second effect is the conversion of this kinetic energy into heat due to friction losses.
  • the spatial structure can in this case in the derived heat generated from the cavity of the hollow component ⁇ forming space, since this space structure is anchored to the walls of the cavity. It is particularly advantageous to use the component according to the invention as a tool holder.
  • the damping in the tool holder improves in the manner already described, the quality of the means of the associated manufacturing process he witnessed ⁇ workpieces.
  • kappilar channels for a liquid, flowable material are formed in the spatial structure.
  • the liquid can be advantageously stored, and is moved by movements such as vibrations in the channels. Also, this can be a damping effect can be supported.
  • mixing with, for example, a gaseous flowable medium is supported.
  • a use of the above-mentioned component is always particularly advantageous when the component is to be subjected to a vibrating load. Once a vibratory stresses of the component takes place, the damping effect of the filling of the cavity can be used due to the Träg ⁇ standardize the flowable material in the cavity advantageous particularly effective.
  • the object is also achieved by a method for producing the component, in which with the additive manufacturing method used in the cavity, a space structure is produced, which is anchored to the walls of the cavity and can be traversed by the flowable material.
  • Additive manufacturing methods are particularly suitable for generating the spatial structure to a particular extent, since the spatial structure during the manufacture of the component simultane- ously can be formed with tig. This can also be complicated spatial structures with marginally higher production be made wall, since in the additive manufacturing process, the component is produced in zones and the hollow ⁇ space structure is formed together with the currently produced zone (for example, position) of the component.
  • an anchoring of the space structure on the walls of the cavity is particularly simple and reliable possible because the resulting component is made, so to speak, one piece.
  • a particular embodiment of the method according to the invention is obtained when a powder bed-based process, in particular laser melting, is used as the additive manufacturing process, and the powder of the powder bed is used as one of the flowable materials.
  • This has the Prior ⁇ that the cavity after preparation of the component must not be filled with the powder, but that powder of the additive manufacturing method can be used that has not been through the used energy source (laser ⁇ beam) melted to the component.
  • laser ⁇ beam used energy source
  • Au ⁇ ßerdem is in the powder of the additive manufacturing method and of the spatial structure formed by the same material, whereby for example a Korrosionsansoci ⁇ ltechnik the entire absorbing structure can be reduced.
  • the component is made starting from a solid body, which serves as the basis for the additive manufacturing process, and at least parts of the cavity-forming walls and the space structure itself are produced by the additive manufacturing process.
  • a solid body which serves as the basis for the additive manufacturing process
  • at least parts of the cavity-forming walls and the space structure itself are produced by the additive manufacturing process.
  • the massive region of the component can serve as the base, from the starting point, the additivesammlungsverfah ⁇ ren begins so that advantageously is not required after the additive manufacturing process a separation of the produced part of the normally coming to the application pad. This makes it possible advantageous further efficiency ⁇ increase achieved in the manufacturing process.
  • FIG. 2 shows a tool holder according to another exemplary embodiment of the component according to the invention in a three-dimensional representation with a broken cross section
  • Figure 5 shows an embodiment of the inventive method in section.
  • a tool holder 11 is shown as a manufactured component. This has a cavity 12 which is filled with an open pore 13 having metal foam 14. These pores are filled in a manner not shown with a liquid and a gas, whereby the damping behavior of the cavity is improved.
  • the tool holder 11 can, for example, receive a cutting plate 15 and be used for a turning operation in a turning machine.
  • the tool holder 11 according to FIG. 2 has four cavities 12, which are filled with an indicated space grid 16. To recognize are indicated rods 17 and the nodes 18 of the space grid. Not shown are the flowable materials that fill the cavity.
  • the cavities 12 of the tool holder according to Figure 2 could be constructed as indicated in Figure 3.
  • the tool holder 11 forms the walls 19 of the cavity 12.
  • the space grid 16 is anchored, which consists of a regular grid of rectangular cuboid cells ⁇ .
  • cells with a width b are arranged thereon, which thus have a smaller volume than the cells close to the edge with a cell width a.
  • the cavity can be produced by an additive manufacturing process, as described, for example, according to FIG. is written.
  • a powder bed based addi ⁇ tive manufacturing process is used.
  • the powder particles which are not melted in the cavity to the space grid 16, remain in the cavity 12 and form a powder 20 as a solid flowable material.
  • a gas remains in the cavity. This may be the ambient air which in the forming cavity remains during manufacture in additi ⁇ ven manufacturing process. However, it may also be a process gas used in the additive manufacturing process, which reduces the tendency of the space grid 16 and the powder 20 to corrode.
  • a spatial structure 21 consists of walls 22, which as a whole form a honeycomb structure.
  • this honeycomb structure has no bottoms, so that a plurality of such honeycomb structures can be arranged behind one another with the formation of an open channel system.
  • the uppermost honeycomb structure 22 lies within the illustrated plane of the drawing.
  • the underlying honeycomb structure can also be seen. The intersection of successive honeycomb structures therefore results in a uniform hollow space, which is combined by diamond-shaped connections 23 to form a coherent space.
  • the cavity 12 is filled with a liquid 24 and a gas 25 (to be recognized on the liquid level 26).
  • the liquid 24 With a vibrating load of the component 27 surrounding the cavity, the liquid 24 will be distributed in the cavity 12 with mixing with the gas 25, whereby the described damping effect is achieved.
  • FIG 5 is shown how the component can be made 27 by selec tive ⁇ laser melting.
  • a base body 28 made of solid metal is used, which at the same time provides the building platform 29 for the application of the selective laser melting. Therefore, in the forming cavity 12, a portion of the build platform simultaneously becomes the wall of the cavity 12.

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

Abstract

L'invention concerne un élément (11) de préférence soumis à des vibrations, lequel contribue à un amortissement des vibrations du fait que des chambres creuses (12) sont remplies avec un mélange fluide composé de matériaux tels que poudre et gaz ou liquide et gaz. Selon l'invention, une structure spatiale (16) sert d'obstacle tridimensionnel à l'écoulement dans ces chambres creuses (12) afin que l'effet d'amortissement soit amélioré. Cette structure spatiale (16) peut être fabriquée de préférence avec un procédé de finition supplémentaire tel que la fusion par laser. La structure spatiale (16) améliore l'effet d'amortissement qui est suscité par la chambre creuse, étant donné que des obstacles supplémentaires à l'écoulement sont opposés au matériau fluide. La structure spatiale (16) permet en outre une meilleure évacuation de la chaleur de la chambre creuse (12).
PCT/EP2011/072926 2010-12-21 2011-12-15 Élément comprenant une chambre creuse remplie, utilisation de cet élément et son procédé de fabrication WO2012084688A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010063725.4A DE102010063725B4 (de) 2010-12-21 2010-12-21 Bauteil mit einem gefüllten Hohlraum, Verwendung dieses Bauteils und Verfahren zu dessen Herstellung
DE102010063725.4 2010-12-21

Publications (1)

Publication Number Publication Date
WO2012084688A1 true WO2012084688A1 (fr) 2012-06-28

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DE (1) DE102010063725B4 (fr)
WO (1) WO2012084688A1 (fr)

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WO2014158853A1 (fr) * 2013-03-13 2014-10-02 Tyco Electronics Corporation Élément de moule mobile pour dispositif de presse
DE102014207507A1 (de) * 2014-04-17 2015-10-22 Kennametal Inc. Zerspanungswerkzeug sowie Verfahren zum Herstellen eines Zerspanungswerkzeugs
DE102014208130A1 (de) * 2014-04-30 2015-11-05 MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG Werkzeug zur spanenden Bearbeitung von Werkstücken
WO2016045681A1 (fr) * 2014-09-23 2016-03-31 Danske Vaerktoej Aps Taraud de filetage
EP3210703A1 (fr) * 2016-02-29 2017-08-30 Sandvik Intellectual Property AB Corps d'outil, outil et procédé de fabrication d'un corps d'outil
US9903434B2 (en) 2013-08-21 2018-02-27 General Electric Company Components having vibration dampers enclosed therein and methods of forming such components
US10500648B1 (en) 2018-06-12 2019-12-10 Iscar, Ltd. Tool holder having integrally formed anti-vibration component and cutting tool provided with tool holder
EP3689500A1 (fr) * 2019-01-30 2020-08-05 Siemens Aktiengesellschaft Composant, en particulier pour une turbomachine thermique et procédé de fabrication d'un tel composant
CN112238227A (zh) * 2019-07-17 2021-01-19 肯纳金属公司 具有改进的阻尼效果的切割工具固持器
EP3782739A1 (fr) * 2019-08-22 2021-02-24 Basf Se Composant à utiliser en tant que corps rotatif
US10953471B2 (en) 2018-04-16 2021-03-23 Iscar, Ltd. External turning tool having a cutting portion with a transverse elongated damping mechanism
WO2023074922A1 (fr) * 2021-10-25 2023-05-04 한국생산기술연구원 Porte-outil léger apte à amortir les vibrations et machine-outil dotée de ce dernier
DE102014020086B4 (de) 2014-04-17 2024-06-06 Kennametal Inc. Zerspanungswerkzeug sowie Verfahren zum Herstellen eines Zerspanungswerkzeugs
JP7496970B2 (ja) 2020-10-14 2024-06-10 石川県 加工工具

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US9579730B2 (en) * 2014-06-30 2017-02-28 Kennametal Inc. Vibration absorber with high viscous dampening
EP3242763A4 (fr) * 2015-01-05 2018-08-29 Sikorsky Aircraft Corporation Amortisseur de vibrations intégré pour structure fabriquée de manière additive et procédé
DE102015206892A1 (de) 2015-04-16 2016-10-20 Siemens Aktiengesellschaft Verfahren zum Herstellen eines Bauteils durch thermisches Spritzen und Anlage zum Herstellen eines Bauteils mit einer Vorrichtung zum thermischen Spritzen
US9975182B2 (en) 2015-05-13 2018-05-22 Kennametal Inc. Cutting tool made by additive manufacturing
DE102016221518A1 (de) 2016-11-03 2018-03-08 Schaeffler Technologies AG & Co. KG Werkzeughalter für eine Zerspanungsmaschine und Verfahren zum Herstellen eines solchen
DE102017214060A1 (de) 2017-08-11 2019-02-14 Siemens Aktiengesellschaft Funktionale Struktur und Komponente für eine Strömungsmaschine
EP4015113A1 (fr) * 2020-12-18 2022-06-22 Bystronic Laser AG Machine et pièce de construction
EP4050228B1 (fr) * 2021-02-26 2023-05-31 Siemens Aktiengesellschaft Coussinet de palier pour un arbre rotatif, flasque, moteur électrique et procédé de fabrication d'un élément d'amortissement
IT202100024641A1 (it) * 2021-09-27 2023-03-27 Torino Politecnico Materiali gerarchici tridimensionali porosi comprendenti una struttura reticolare con inserti flottanti all’interno delle porosità

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US20050169715A1 (en) * 2004-02-04 2005-08-04 Valenite Llc Tool holder and method of making
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US8919177B2 (en) 2013-03-13 2014-12-30 Tyco Electronics Corporation Movable die component for a press device
WO2014158853A1 (fr) * 2013-03-13 2014-10-02 Tyco Electronics Corporation Élément de moule mobile pour dispositif de presse
CN105163936A (zh) * 2013-03-13 2015-12-16 泰科电子公司 用于压力机装置的可动模具部件
US9903434B2 (en) 2013-08-21 2018-02-27 General Electric Company Components having vibration dampers enclosed therein and methods of forming such components
DE102014207507A1 (de) * 2014-04-17 2015-10-22 Kennametal Inc. Zerspanungswerkzeug sowie Verfahren zum Herstellen eines Zerspanungswerkzeugs
DE102014207507B4 (de) 2014-04-17 2021-12-16 Kennametal Inc. Zerspanungswerkzeug sowie Verfahren zum Herstellen eines Zerspanungswerkzeugs
DE102014020086B4 (de) 2014-04-17 2024-06-06 Kennametal Inc. Zerspanungswerkzeug sowie Verfahren zum Herstellen eines Zerspanungswerkzeugs
DE102014208130A1 (de) * 2014-04-30 2015-11-05 MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG Werkzeug zur spanenden Bearbeitung von Werkstücken
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