EP2613898A2 - Method for producing network-like metal mats and apparatus for carrying out the method - Google Patents

Method for producing network-like metal mats and apparatus for carrying out the method

Info

Publication number
EP2613898A2
EP2613898A2 EP11804920.4A EP11804920A EP2613898A2 EP 2613898 A2 EP2613898 A2 EP 2613898A2 EP 11804920 A EP11804920 A EP 11804920A EP 2613898 A2 EP2613898 A2 EP 2613898A2
Authority
EP
European Patent Office
Prior art keywords
notches
metal
metal wires
strip material
network nodes
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.)
Granted
Application number
EP11804920.4A
Other languages
German (de)
French (fr)
Other versions
EP2613898B1 (en
Inventor
Karl-Hermann Stahl
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.)
Hacanoka GmbH
Original Assignee
Hacanoka GmbH
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 Hacanoka GmbH filed Critical Hacanoka GmbH
Priority to PL11804920T priority Critical patent/PL2613898T3/en
Publication of EP2613898A2 publication Critical patent/EP2613898A2/en
Application granted granted Critical
Publication of EP2613898B1 publication Critical patent/EP2613898B1/en
Priority to HRP20150076AT priority patent/HRP20150076T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F27/00Making wire network, i.e. wire nets
    • B21F27/12Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/16Making special types or portions of network by methods or means specially adapted therefor for spring mattresses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/08Making a superficial cut in the surface of the work without removal of material, e.g. scoring, incising
    • B26D3/085On sheet material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/04Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/04Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
    • B21D31/043Making use of slitting discs or punch cutters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F27/00Making wire network, i.e. wire nets
    • B21F27/02Making wire network, i.e. wire nets without additional connecting elements or material at crossings, e.g. connected by knitting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F27/00Making wire network, i.e. wire nets
    • B21F27/12Making special types or portions of network by methods or means specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21HMAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H8/00Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects, e.g. checkered sheets
    • B21H8/005Embossing sheets or rolls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00Severing by means other than cutting; Apparatus therefor
    • B26F3/002Precutting and tensioning or breaking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00Severing by means other than cutting; Apparatus therefor
    • B26F3/02Tearing
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00Severing by tearing or breaking
    • Y10T225/10Methods
    • Y10T225/12With preliminary weakening
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/18Expanded metal making
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/18Expanded metal making
    • Y10T29/185Expanded metal making by use of reciprocating perforator
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12361All metal or with adjacent metals having aperture or cut
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/02Other than completely through work thickness
    • Y10T83/0333Scoring
    • Y10T83/0341Processes
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/02Other than completely through work thickness
    • Y10T83/0333Scoring
    • Y10T83/0385Rotary scoring blade
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/0405With preparatory or simultaneous ancillary treatment of work
    • Y10T83/0419By distorting within elastic limit
    • Y10T83/0424By stretching
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/323With means to stretch work temporarily

Definitions

  • the invention relates to a method for the production of net-like metal mats from metallic strip material. Furthermore, the invention relates to a device for carrying out the method and after the
  • reinforcing mats are made for the construction industry.
  • the strip material is first provided by notching rollers with parallel notches to form metal cores, wherein the notches
  • unnotched areas - whose mutual distance in the respective notch determines the later possible mesh size - are interrupted so that they later form network nodes, wherein the network nodes in the respective adjacent notches by about half
  • Metal wires still interconnecting webs a multiple bending deformation around its longitudinal axis experienced such that cracks caused by fatigue failure, which lead to the complete separation of the metal wires in the webs, while at the network node no
  • Metal mat created by a simple spreading process For the formation of the metal wires, reference should additionally be made to WO 2008/135002, furthermore DE 10 2008 034 250 and DE 10 2009 048 751.
  • the strip material which is assumed to have very different strength, so in particular have significantly higher and lower strength than conventional structural steel.
  • the mesh size of the net-like structure can be adjusted as required within certain limits, whereby the shape of the individual mesh varies between a rhombus and a rectangle. Is that lying Main load direction of the metal mat in her
  • an embodiment is considered such that the number of metal wires is even. This ensures symmetrical force relationships, in particular during the later wide stretching process.
  • the measured length of the notches in the longitudinal direction of the network node corresponds approximately to two to four times the thickness of the strip material.
  • a further advantageous embodiment of the invention results when each notch is formed by a plurality of notch portions, wherein the notched areas lying between the notch portions, after separation of the metal wires Ankernasen in the form of
  • Anchoring projections have a similar effect as the corrugations on the bars of reinforcing mats, which serves to anchor in the concrete. For this purpose, it is recommended that the notched areas between the notch sections be separated later for separation
  • the Ankernasen can be offset from top to bottom of the band also.
  • the number of bending movements and the bending angle are chosen so that the webs and the armature webs are separated from each other, but the network nodes not yet during the milling process be touched.
  • Anchor webs before walking it is useful if the network node with a longitudinal direction of the notches
  • the notched strip material may be a separating roll unit
  • the object is a device for carrying out the described
  • Walk roller assembly further from a separation roller unit for complete and secure separation of the metal wires in the region of the notches and finally from a spreader assembly for mounting or spreading of the strip material or the vein strip to a net-like metal mat that can be cut to length or rolled up.
  • Wide stretch assembly is provided with towed entrainment elements on both sides of the wire
  • Veinbandes opening guide rails rotate.
  • a press-fit unit is provided at the beginning of the guide rails, which in each case presses a driver element on both edges of the wire belt between the edge side and the adjacent metal wire.
  • a positioning device for pressing in the driver elements is provided approximately centrally to the network nodes of the notches on both sides.
  • the net material which is used, for example, as a reinforcing mat or net, can be wound into a coil with a relatively high weight, so that it
  • the spreader can be designed transportable together with a reel and a pair of scissors, so that the reinforcing mat on the spot, so. on the construction site as desired
  • the width of the reinforcing mat within certain limits
  • the invention also relates to a method according to the described as well as with the likewise
  • the invention consists of metal wires, which are connected in each case at the end to a network node, wherein four metal wires end at each network node, and wherein the metal wires and the network nodes from
  • Band material are formed from which the metal wires by notching rollers and subsequent separation from each other are released and transformed by lateral spreading to a network structure.
  • Fig. 1 is a serrated wire core with network nodes
  • Fig. 2 shows a cross section through the strip material after
  • FIG. 3 shows a cross section through the article of FIG
  • Fig. 4 is a roll profile for testing for complete
  • Fig. 5 is a wound up to a net-like metal mat
  • FIG. 7 shows a detailed representation of a single metal wire of a reinforcement mat with anchoring lugs or anchor nodes. The in the drawing in Fig. 6 only partially
  • the apparatus shown is used to carry out a method which makes the production of net-like
  • Metal mats according to FIG. 5 made possible from metallic strip material. This band material is first through
  • Notching rollers with mutually parallel, between them metal cores 1 forming notches 2 provided by the later mesh width determinate length. Thereafter, the metal wires 1 are still connected to each other via remaining webs 3, as can be seen from Figures 2 and 3.
  • this notching roll is described in detail in the earlier patent application WO 2008/135002. Here, however, the notched rollers take place in such a way that between the respective ends of two notches 2 areas remain, which form the later network node 4. Next are in two adjacent notches 2 the
  • the notching roll is formed so that the number of metal wires 1 formed thereby is even.
  • the length of the knots 4 measured in the longitudinal direction of the notches 2 is selected to be approximately two to four times the thickness of the strip material, thereby having the required strength.
  • each notch 2 may be formed by a plurality of notch portions 6, wherein the notched areas 7 lying between the notch portions 6 form the anchor webs for later anchoring projections in the form of anchoring lugs 8. This is in the figure 1 by the transverse
  • Node 4 provided, as can be seen from Figures 2 and 3.
  • the formation of the Ankernasen 8 can, but does not have to correspond.
  • the flexing process is carried out in the walk arrangement not shown in the drawing such that such a number of bending movements made while the bending angle is selected so that the webs 3 and the armature webs are separated from each other, without this the network nodes 4 are touched.
  • the network nodes 4 In order to avoid scratching of the network nodes 4 together with the anchor webs, the network nodes 4 with an in
  • the notched wire 5 can pass through a separation roller unit, in which a separation of the metal wires 1 in the notched region and in the region of the armature webs, except in the area of the network node 4, is ensured. This is indicated in FIG.
  • the spreader assembly shown in greater detail in FIG. 6, which serves to wind or spread the wire strand 5 or the metal wires 1 into a reticulated metal mat, is provided with entrainment elements 10, which are guided on guide rails 11, wherein the
  • Pressing unit 12 which presses on both edges of the wire 5 each between the edge side and the adjacent metal wires 1 and centrally between the corresponding network node 4, a driver element 10.
  • the puncture site is marked x in FIG. Then this runs
  • Node 4 are transmitted to the center of the wire 5 and back lead thus also to a spreading.
  • a positioning device is provided at the beginning of the guide rails 11, which the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Textile Engineering (AREA)
  • Wire Processing (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The method serves for producing network-like metal mats from metallic strip material, for which purpose the strip material is first provided with notches (2), running parallel to one another, for the forming of metal wires (1), by means of notching rollers. The notches (2) are thereby formed to such depths, depending on the material, that as far as possible no sliding fractures are formed. The notches (2) are interrupted by unnotched regions - the mutual spacing of which in the respective notch (2) determines the later possible mesh width - at least in such a way that they later form network nodes (4). The network nodes (4) are offset by approximately half a network node spacing in the respectively adjacent notches (2). Then, the strip, formed in this manner, is subjected to a flexing process, in which the webs (3) adjoining the base of the notch and still connecting the metal wires (1) to one another undergo multiple bending deformation about the longitudinal axis thereof in such a way that incipient cracks occur as a result of fatigue fracture. This leads to the complete separation of the metal wires (1) in the region of the webs (3), while no incipient cracks form at the network nodes (4). Finally, the strip material is subjected to transverse tensile forces acting on both its peripheral metal wires (1), whereby a widening deformation of the wire strip (5) into a network-like structure takes place. The invention also relates to an apparatus for carrying out the method and to a metal mat produced by said method.

Description

Verfahren zur Herstellung von netzartigen Metallmatten sowie Vorrichtung zur Durchführung des Verfahrens Process for the production of net-like metal mats and apparatus for carrying out the process
Die Erfindung betrifft ein Verfahren zur Herstellung von netzartigen Metallmatten aus metallischem Bandmaterial. Ferner betrifft die Erfindung eine Vorrichtung zur Durchführung des Verfahrens sowie eine nach dem The invention relates to a method for the production of net-like metal mats from metallic strip material. Furthermore, the invention relates to a device for carrying out the method and after the
Verfahren hergestellte netzartige Metallmatte. Zur Herstellung derartiger Metallmatten sind im Stand der Technik unterschiedliche Verfahren bekannt; so werden Metallnetze oft aus Draht in sehr Process manufactured reticulated metal mat. For the production of such metal mats, different methods are known in the prior art; So metal nets are often made of wire in a lot
unterschiedlicher Form gewoben. Dies gilt in der Regel für relativ dünne Drähte, wie sie beispielsweise für Siebe verwendet werden. Aber auch Zäune aus Maschendraht werden in vergleichbarer Weise hergestellt. Sind dagegen die Drahtquerschnitte zu groß, so dass nicht mehr gewoben werden kann, werden Stäbe beispielsweise rechtwinklig aufeinander gelegt und miteinander woven in different shapes. This is usually true for relatively thin wires, such as those used for screens. But fence made of wire mesh are made in a similar way. If, however, the wire cross sections are too large, so that no more For example, rods can be woven at right angles to each other and to each other
verschweisst . Auf diese Weise werden beispielsweise Bewehrungsmatten für die Baubranche hergestellt. welded. In this way, for example, reinforcing mats are made for the construction industry.
Die Verwendung einzelner Drähte oder Stäbe ist jedoch wegen der arbeitstechnisch aufwendigen Handhabung kostenintensiv, so dass der Erfindung die Aufgabe zugrunde liegt, ein Verfahren anzugeben, mit welchem Metallnetze geschaffen werden können, ohne hierfür schon vorgefertigte Drähte oder Stäbe einsetzen zu müssen. The use of individual wires or rods, however, is costly because of the complex laborious handling, so that the invention has the object to provide a method with which metal nets can be created without having to use already prefabricated wires or rods.
Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass das Bandmaterial zunächst durch Kerbwalzen mit parallel zueinander laufenden Kerben zur Bildung von Metalladern versehen wird, wobei die Kerben This object is achieved according to the invention in that the strip material is first provided by notching rollers with parallel notches to form metal cores, wherein the notches
Werkstoffabhängig so tief ausgeführt werden, daß Depending on the material are executed so deep that
möglichst keine Schiebungsbrüche ausgebildet werden, und wobei die Kerben in wenigstens einer Weise von as far as possible, no shearing fractures are formed, and wherein the notches in at least one of
ungekerbten Bereichen - deren gegenseitiger Abstand in der jeweiligen Kerbe die spätere mögliche Maschenweite bestimmt - derart unterbrochen sind, daß diese später Netzknoten bilden, wobei die Netzknoten in den jeweils benachbarten Kerben um ungefähr den halben unnotched areas - whose mutual distance in the respective notch determines the later possible mesh size - are interrupted so that they later form network nodes, wherein the network nodes in the respective adjacent notches by about half
Netzknotenabstand versetzt sind, daß sodann das so ausgeformte Band einem Walkprozess unterworfen wird, bei welchem die an den Kerbgrund anschließenden, die Node spacing are offset, that then the thus formed band is subjected to a milling process, in which the adjoining the notch base, the
Metalladern noch miteinander verbindenden Stege eine mehrfache Biegeverformung um ihre Längsachse derart erfahren, daß Anrisse durch Dauerbruch entstehen, die zur völligen Trennung der Metalladern im Bereich der Stege führen, während an den Netzknoten sich keine Metal wires still interconnecting webs a multiple bending deformation around its longitudinal axis experienced such that cracks caused by fatigue failure, which lead to the complete separation of the metal wires in the webs, while at the network node no
Anrisse bilden, und daß schließlich das so entstandene Adernband an seinen beiden randseitigen Metalladern angreifenden Querzugkräften ausgesetzt wird, wodurch, eine verbreitende Verformung des Adernbandes zu einer netzartigen Struktur erfolgt. Cracks form, and that finally the resulting Cores is exposed at its two edge metal cores attacking transverse tensile forces, whereby, a spreading deformation of the vein ribbon is made into a net-like structure.
Der durch die Erfindung erreichte Vorteil besteht zunächst in Wesentlichen darin, dass bei der Fertigung derartiger Metallmatten nicht von bereits vorgefertigten und im Übrigen kostenintensiven Drähten oder Stäben ausgegangen werden muss, sondern dass hier als The advantage achieved by the invention initially consists essentially in the fact that in the production of such metal mats not from already prefabricated and otherwise costly wires or rods must be assumed, but that here as
Ausgangsprodukt Bandmaterial zum Einsatz kommt . Ein weiterer Vorteil besteht darin, dass die die spätere Metallmatte bildenden Metalladern nicht zu der  Starting material strip material is used. Another advantage is that the later metal mat forming metal wires not to the
netzartigen Struktur zusammengefügt und gegebenenfalls miteinander verbunden werden müssen, sondern dass diese bereits im Herstellungsverfahren eine einstückige mesh-like structure must be joined together and possibly interconnected, but that this already in the manufacturing process a one-piece
Einheit bilden, so dass nach dem Trennvorgang durch Walken im Bereich der Kerben, wodurch die Metalladern gegenseitig freigestellt werden, die netzartige Form unity, so that after the separation process by walking in the region of the notches, whereby the metal wires are mutually released, the net-like
Metallmatte durch einen einfachen Breitstreckvorgang entsteht. Zur Ausbildung der Metalladern sei ergänzend auf die WO 2008/135002, ferner die DE 10 2008 034 250 sowie die DE 10 2009 048 751 verwiesen. Wie auch dort schon beschrieben, kann das Bandmaterial, von dem ausgegangen wird, sehr unterschiedliche Festigkeit besitzen, also insbesondere deutlich höhere und auch niedrigere Festigkeiten als herkömmlicher Baustahl aufweisen. Die Maschenweite der netzartigen Struktur kann hierbei in gewissen Grenzen bedarfsabhängig eingestellt werden, wodurch die Form der einzelnen Masche zwischen einer Raute und einem Rechteck variiert. Liegt die Hauptbelastungsrichtung der Metallmatte in ihrer Metal mat created by a simple spreading process. For the formation of the metal wires, reference should additionally be made to WO 2008/135002, furthermore DE 10 2008 034 250 and DE 10 2009 048 751. As already described there, the strip material, which is assumed to have very different strength, so in particular have significantly higher and lower strength than conventional structural steel. The mesh size of the net-like structure can be adjusted as required within certain limits, whereby the shape of the individual mesh varies between a rhombus and a rectangle. Is that lying Main load direction of the metal mat in her
Längsrichtung, so kann man auch unter Berücksichtigung der Betonmischung kleinere Maschenweiten wählen. Als vorteilhaft und daher im Rahmen der Erfindung bevorzugt wird eine Ausgestaltung derart angesehen, wonach die Zahl der Metalladern geradzahlig ist. Dies stellt insbesondere beim späteren BreitStreckvorgang symmetrische Kraftverhältnisse sicher. Lenght, so you can choose smaller mesh sizes, taking into account the concrete mix. As advantageous and therefore preferred within the scope of the invention, an embodiment is considered such that the number of metal wires is even. This ensures symmetrical force relationships, in particular during the later wide stretching process.
Weiter hat es sich als vorteilhaft herausgestellt, wenn die in Längsrichtung der Kerben gemessene Länge der Netzknoten etwa dem zwei- bis vierfachen der Dicke des Bandmaterials entspricht. Further, it has been found to be advantageous if the measured length of the notches in the longitudinal direction of the network node corresponds approximately to two to four times the thickness of the strip material.
Eine weitere vorteilhafte Ausgestaltung der Erfindung ergibt sich dann, wenn jede Kerbe von einer Vielzahl von Kerbabschnitten gebildet ist, wobei die zwischen den Kerbabschnitten liegenden, ungekerbten Bereiche nach Trennung der Metalladern Ankernasen in Form von A further advantageous embodiment of the invention results when each notch is formed by a plurality of notch portions, wherein the notched areas lying between the notch portions, after separation of the metal wires Ankernasen in the form of
VerankerungsvorSprüngen bilden. Diese Form anchorage jumps. These
Verankerungsvorsprünge haben eine ähnliche Wirkung wie die Riffelungen an den Stäben von Bewehrungsmatten, die der Verankerung im Beton dient. Hierfür empfiehlt es sich, dass die zwischen den Kerbabschnitten liegenden, ungekerbten Bereiche zur späteren Trennung in  Anchoring projections have a similar effect as the corrugations on the bars of reinforcing mats, which serves to anchor in the concrete. For this purpose, it is recommended that the notched areas between the notch sections be separated later for separation
Längsrichtung der Kerben angeritzt werden. Scratched longitudinal direction of the notches.
Auch wenn es grundsätzlich möglich ist, das Bandmaterial lediglich auf einer Oberfläche zu kerben, so ist es aus unterschiedlichen Gründen zweckmäßiger, wenn das Although it is basically possible to score the strip material only on a surface, so it is useful for different reasons, if the
Bandmaterial auf beiden Oberflächen zueinander Band material on both surfaces to each other
korrespondierend mit Kerben bzw. Kerbabschnitten zur Bildung der Netzknoten und Ankernasen versehen wird, wobei die Ankernasen von Oberseite zur Unterseite des Bandes auch versetzt sein können. Um eine optimale Trennung der Metalladern vor dem späteren Aufspreizen des Bandmaterials zu erreichen, wird im Rahmen der Erfindung vorgeschlagen, dass beim Walkprozess die Anzahl der Biegebewegungen sowie der Biegewinkel so gewählt sind, dass die Stege und die Ankerstege voneinander getrennt, die Netzknoten jedoch noch nicht angerissen werden. Corresponding with notches or notch sections for Forming the network nodes and anchoring lugs is provided, wherein the Ankernasen can be offset from top to bottom of the band also. In order to achieve an optimal separation of the metal wires before later spreading of the strip material, it is proposed in the invention that the number of bending movements and the bending angle are chosen so that the webs and the armature webs are separated from each other, but the network nodes not yet during the milling process be touched.
Im Hinblick auf das erforderliche Anritzen der With regard to the required scoring the
Ankerstege vor dem Walken ist es zweckmäßig, wenn die Netzknoten mit einer in Längsrichtung der Kerben Anchor webs before walking, it is useful if the network node with a longitudinal direction of the notches
verlaufenden muldenförmigen Vertiefung versehen sind. In Abhängigkeit von den Eigenschaften des verwendeten metallischen Bandmaterials kann es zweckmäßig sein, wenn das gekerbte Bandmaterial eine Trennwalzeinheit extending trough-shaped depression are provided. Depending on the properties of the metallic strip material used, it may be expedient for the notched strip material to be a separating roll unit
durchläuft, in welcher eine vollständige Trennung der Metalladern außer im Bereich der Netzknoten sicher gestellt wird, was die Umformung des Bandmaterials zu einer netzartigen Metallmatte erleichtert. In vorrichtungsmäßiger Hinsicht wird die Aufgabe, eine Vorrichtung zur Durchführung des beschriebenen passes, in which a complete separation of the metal wires except in the area of the network nodes is ensured, which facilitates the transformation of the strip material to a net-like metal mat. In terms of the device, the object is a device for carrying out the described
Verfahrens zu schaffen, dadurch gelöst, dass diese zunächst aus einer Anordnung zum Kerben von metallischem Bandmaterial mit vorzugsweise zwei zwischen sich das Bandmaterial kerbenden, dabei Metalladern von durch Netzknoten begrenzter Länge bildenden Kerbwalzen To provide a method, achieved in that this first of an arrangement for scoring metallic strip material with preferably two notches between the strip material, thereby forming metal cores of limited by network node length notching rollers
besteht, ferner bedarfsweise aus einer Anordnung zum Ritzen von ungekerbten, längs der Kerben verteilt angeordneten, und Ankerstege bildenden Bereichen further, if necessary, from an arrangement for scribing not unnotched, distributed along the notches arranged, and anchor webs forming areas
innerhalb der Kerben, ferner bedarfsweise aus einer die Metalladern jeweils gegeneinander längs ihres sich verbindenden Steges biegeverformenden within the notches, further, if necessary, from a bending the metal veins each against each other along its connecting web bending deforming
Walkwalzenanordnung, weiter bedarfsweise aus einer Trennwalzeneinheit zum vollständigen und gesicherten Trennen der Metalladern im Bereich der Kerben und schließlich aus einer Breitstreckanordnung zum Aufziehen bzw. Aufspreizen des Bandmaterials bzw. des Adernbandes zu einer netzartigen Metallmatte, die abgelängt oder auch aufgerollt werden kann. Walk roller assembly, further from a separation roller unit for complete and secure separation of the metal wires in the region of the notches and finally from a spreader assembly for mounting or spreading of the strip material or the vein strip to a net-like metal mat that can be cut to length or rolled up.
Dabei ist es insbesondere vorteilhaft, wenn die It is particularly advantageous if the
BreitStreckanordnung mit geschleppten Mitnehmerelementen versehen ist, die an beidseits des Adernbandes Wide stretch assembly is provided with towed entrainment elements on both sides of the wire
angeordneten, V-förmig in Transportrichtung des arranged, V-shaped in the transport direction of the
Adernbandes sich öffnenden Führungsschienen umlaufen. Veinbandes opening guide rails rotate.
Um die Mitnehmerelemente in Eingriff am Adernband zu bringen, ist im Rahmen der Erfindung vorgesehen, dass am Beginn der Führungsschienen eine Einpresseinheit vorgesehen ist, die an beiden Rändern des Adernbandes zwischen die randseitige und die dieser benachbarten Metallader jeweils ein Mitnehmerelement eingepresst wird. In order to bring the driver elements into engagement with the wire band, it is provided within the scope of the invention that a press-fit unit is provided at the beginning of the guide rails, which in each case presses a driver element on both edges of the wire belt between the edge side and the adjacent metal wire.
Um weiter ein gleichmäßiges Aufziehen des Adernbandes, insbesondere eine symmetrische Struktur zu erreichen, ist eine Positioniereinrichtung zum Einpressen der Mitnehmerelemente etwa mittig zu den Netzknoten der beidseitig außenliegenden Kerben vorgesehen. Im Hinblick auf die sich im Spreizungsbereich ändernde Bandvorschubgeschwindigkeit hat es sich als vorteilhaft erwiesen, wenn hinter den Führungsschi nen eine von Transportwalzen gebildete Zugeinrichtung für das In order to further achieve a uniform mounting of the core band, in particular a symmetrical structure, a positioning device for pressing in the driver elements is provided approximately centrally to the network nodes of the notches on both sides. In view of changing in the spreading range tape feed speed, it has proved to be advantageous if behind the Führungsschi nen formed by a transport rollers pulling device for the
Netzmaterial vorgesehen ist. Net material is provided.
Das Netzmaterial, das beispielsweise als Bewehrungsmatte oder -netz zum Einsatz kommt, kann zum Coil mit relativ hohem Gewicht aufgewickelt werden, so dass es The net material, which is used, for example, as a reinforcing mat or net, can be wound into a coil with a relatively high weight, so that it
platzsparend gelagert oder transportiert dann am save space or transported on
Einsatzort abgewickelt, gerichtet und abgelängt werden kann. Weiter kann die Breitstreckeinrichtung zusammen mit einer Haspel sowie einer Schere transportabel gestaltet sein, so dass die Bewehrungsmatte erst vor Ort, also z.B. auf der Baustelle nach Wunsch Can be handled, directed and cut to length. Further, the spreader can be designed transportable together with a reel and a pair of scissors, so that the reinforcing mat on the spot, so. on the construction site as desired
einsatzbereit gemacht, also breitgestreckt und made ready for use, so spread out and
zugeschnitten werden kann. Dabei lässt sich die Breite der Bewehrungsmatte in gewissen Grenzen durch can be tailored. In this case, the width of the reinforcing mat within certain limits
Veränderung des Öffnungswinkels der Führungsschienen der Aufzieheinheit einstellen. Ebenso besteht die Adjust the change in the opening angle of the guide rails of the Aufzieheinheit. Likewise, there is the
Möglichkeit, Bewehrungsmatten in großer Länge Possibility of reinforcing mats in great length
herzustellen. manufacture.
Schließlich betrifft die Erfindung noch eine nach dem beschriebenen Verfahren sowie mit der ebenfalls Finally, the invention also relates to a method according to the described as well as with the likewise
beschriebenen Vorrichtung hergestellte netzartige described net-like device produced
Metallmatte mit oder ohne Ankernasen, die Metal mat with or without anchoring lugs, the
erfindungsgemäß aus Metalladern besteht, die jeweils endseitig an einen Netzknoten angeschlossen sind, wobei an jedem Netzknoten jeweils vier Metalladern enden, und wobei die Metalladern und die Netzknoten vom According to the invention consists of metal wires, which are connected in each case at the end to a network node, wherein four metal wires end at each network node, and wherein the metal wires and the network nodes from
Bandmaterial gebildet sind, aus welchem die Metalladern durch Kerbwalzen und anschließendes Trennen voneinander freigestellt und durch seitliches Aufspreizen zu einer Netzstruktur umgeformt sind. Band material are formed from which the metal wires by notching rollers and subsequent separation from each other are released and transformed by lateral spreading to a network structure.
Im folgenden wird die Erfindung an einem in der In the following, the invention will be in a in the
Zeichnung dargestellten Ausfuhrungsbeispiel näher erläutert; es zeigen: Drawing illustrated embodiment explained in more detail; show it:
Fig. 1 ein kerbgewalztes Adernband mit Netzknoten und Fig. 1 is a serrated wire core with network nodes and
Ankerstegen in Draufsicht,  Anchor bars in plan view,
Fig. 2 einen Querschnitt durch das Bandmaterial nach Fig. 2 shows a cross section through the strip material after
erfolgtem Kerbwalzen längs E-E aus Fig. 1,  occurred notched rollers along E-E of Fig. 1,
Fig. 3 einen Querschnitt durch den Gegenstand nach Figur Fig. 3 shows a cross section through the article of FIG
1, jedoch im Bereich der Netzknoten längs F-F aus 1, but in the area of the network nodes along F-F off
Fig. 1, Fig. 1,
Fig. 4 ein Walzenprofil zur Prüfung auf vollständige Fig. 4 is a roll profile for testing for complete
Trennung der Metalladern im Bereich der Kerbung und der Netzknoten, entsprechend Fig. 3,  Separation of the metal wires in the region of the notch and the network node, as shown in FIG. 3,
Fig. 5 ein zu einer netzartigen Metallmatte aufgezogenes Fig. 5 is a wound up to a net-like metal mat
Adernband, Fig. 6 die Breitstreckanordnung zum Aufziehen des  Vein band, Fig. 6, the spreader assembly for mounting the
Adernbandes in Draufsicht und in Seitenansicht,  Veinbandes in plan view and in side view,
Fig. 7 eine Detaildarstellung einer einzelnen Metallader einer Bewehrungsmatte mit Ankernasen bzw. Ankerknoten. Die in der Zeichnung in Fig. 6 nur teilweise 7 shows a detailed representation of a single metal wire of a reinforcement mat with anchoring lugs or anchor nodes. The in the drawing in Fig. 6 only partially
dargestellte Vorrichtung dient zur Durchführung eines Verfahrens, das die Herstellung von netzartigen The apparatus shown is used to carry out a method which makes the production of net-like
Metallmatten gemäß Fig. 5 aus metallischem Bandmaterial ermöglicht. Dabei wird Bandmaterial zunächst durch Metal mats according to FIG. 5 made possible from metallic strip material. This band material is first through
Kerbwalzen mit parallel zueinander verlaufenden, zwischen sich Metalladern 1 bildenden Kerben 2 von die spätere Maschenweite bestimmender Länge versehen. Danach sind die Metalladern 1 über verbleibende Stege 3 noch miteinander verbunden, wie dies aus den Figuren 2 und 3 zu ersehen ist. Dieses Kerbwalzen ist im Übrigen im Einzelnen in der früheren Patentanmeldung WO 2008/135002 beschrieben. Hier erfolgt das Kerbwalzen jedoch in der Weise, dass zwischen den jeweiligen Enden zweier Kerben 2 Bereiche verbleiben, die die späteren Netzknoten 4 bilden. Weiter sind jeweils in zwei benachbarten Kerben 2 die Notching rollers with mutually parallel, between them metal cores 1 forming notches 2 provided by the later mesh width determinate length. Thereafter, the metal wires 1 are still connected to each other via remaining webs 3, as can be seen from Figures 2 and 3. Incidentally, this notching roll is described in detail in the earlier patent application WO 2008/135002. Here, however, the notched rollers take place in such a way that between the respective ends of two notches 2 areas remain, which form the later network node 4. Next are in two adjacent notches 2 the
Netzknoten 4 um eine etwa halbe Kerblänge gegeneinander versetzt angeordnet, so dass sich dann - nach dem späteren Aufspreizen - die aus der Figur 5 ersichtliche Struktur ergibt. Node 4 offset by about half a Kerblänge offset from each other, so that then - after the later spreading - results in the apparent from the figure 5 structure.
Sodann wird das Bandmaterial einem Walkprozess Then the strip material is a Walk process
unterworfen, bei welchem jeder Steg 3 eine mehrfachesubjected, in which each web 3 a multiple
Biegeverformung um seine Längsachse derart erfährt, dass sich im Bereich der Stege 3 Anrisse durch Dauerbruch ausbilden, die zu einer Trennung der Metalladern 1 im Bereich der Kerben 2 führen. Auch dieser Walkprozess ist in der bereits erwähnten Patentanmeldung WO 2008/135002 beschrieben. Schließlich wird das derart aus dem Bandmaterial Bending deformation around its longitudinal axis learns such that form in the area of the webs 3 cracks by fatigue fracture, leading to a separation of the metal wires 1 in the region of the notches 2. This milling process is also described in the already mentioned patent application WO 2008/135002. Eventually, this will be the result of the strip material
gebildete Adernband 5 Zugkräften in Richtung Y nach Fig. 1 ausgesetzt, die an seinen beiden randseitigen formed vein band 5 tensile forces in the direction Y of Fig. 1 exposed, at its two edge side
Metalladern 1 angreifen, wodurch eine breitstreckende Umformung des Adernbandes 5 zu einer netzartigen Attack metal wires 1, whereby a broad-stretching deformation of the wire 5 to a net-like
Struktur erfolgt, wie dies aus der Figur 6 ersichtlich ist und zu einer Metallmatte nach Figur 5 führt.  Structure takes place, as can be seen from the figure 6 and leads to a metal mat of Figure 5.
Im Hinblick auf eine symmetrische Anordnung wird die Kerbwalze so ausgebildet, dass die hierdurch gebildete Zahl der Metalladern 1 geradzahlig ist. With regard to a symmetrical arrangement, the notching roll is formed so that the number of metal wires 1 formed thereby is even.
Die in Längsrichtung der Kerben 2 gemessene Länge der Netzknoten 4 wird so gewählt, dass sie etwa dem zwei- bis vierfachen der Dicke des Bandmaterials entspricht, so dass sie dadurch die geforderte Festigkeit aufweist. The length of the knots 4 measured in the longitudinal direction of the notches 2 is selected to be approximately two to four times the thickness of the strip material, thereby having the required strength.
Um Verankerungen an den Metalladern 1 vorzusehen, kann jede Kerbe 2 von einer Vielzahl von Kerbabschnitten 6 gebildet sein, wobei die zwischen den Kerbabschnitten 6 liegenden, ungekerbten Bereiche 7 die Ankerstege für spätere Verankerungsvorsprünge in Form von Ankernasen 8 bilden. Dies ist in der Figur 1 durch die quer In order to provide anchorages on the metal wires 1, each notch 2 may be formed by a plurality of notch portions 6, wherein the notched areas 7 lying between the notch portions 6 form the anchor webs for later anchoring projections in the form of anchoring lugs 8. This is in the figure 1 by the transverse
verlaufenden, nur in einem Teilbereich gezeichneten Linien angedeutet, wobei sich die Verankerungsvorsprünge im Bereich der Kreuzungspunkte befinden und im Einzelnen aus der Figur 7 ersehen lassen. Da auch die Ankerstege zur Bildung der Ankernasen 8 voneinander getrennt werden müssen, werden sie vor dem Walkprozess in der extending, only in a partial area drawn lines indicated, wherein the anchoring projections are in the region of the crossing points and can be seen in detail from the figure 7. Since the anchor webs to form the Ankernasen 8 must be separated from each other, they are before the Walk process in the
Ankerstegmitte in Laufrichtung der Kerben 2 mittels eines nur schematisch in der Fig. 3 angedeuteten Ankerstegmitte in the direction of the notches 2 by means of an only schematically indicated in FIG. 3
Ritzwerkzeugs 14 angeritzt. Im Übrigen ist das Bandmaterial auf beiden Oberflächen mit zueinander korrespondierenden Kerben 2 und Scratching tool 14 scratched. Incidentally, the band material on both surfaces with mutually corresponding notches 2 and
Netzknoten 4 versehen, wie sich aus den Figuren 2 und 3 ersehen lässt. Die Ausbildung der Ankernasen 8 kann, muss aber nicht korrespondieren. Node 4 provided, as can be seen from Figures 2 and 3. The formation of the Ankernasen 8 can, but does not have to correspond.
Der Walkprozess wird in der in der Zeichnung nicht näher dargestellten Walkanordnung derart durchgeführt, dass eine solche Anzahl an Biegebewegungen vorgenommen und dabei der Biegewinkel so gewählt wird, dass die Stege 3 und die Ankerstege voneinander getrennt werden, ohne dass hierbei die Netzknoten 4 angerissen werden. Um ein Anritzen der Netzknoten 4 gemeinsam mit den Ankerstegen zu vermeiden, sind die Netzknoten 4 mit einer in The flexing process is carried out in the walk arrangement not shown in the drawing such that such a number of bending movements made while the bending angle is selected so that the webs 3 and the armature webs are separated from each other, without this the network nodes 4 are touched. In order to avoid scratching of the network nodes 4 together with the anchor webs, the network nodes 4 with an in
Längsrichtung der Kerben 2 verlaufenden muldenförmigen Vertiefung 9 versehen, wie dies in Figur 3 gezeigt ist. Provided longitudinally of the notches 2 extending trough-shaped recess 9, as shown in Figure 3.
Schließlich kann das gekerbte Adernband 5 noch eine Trennwalzeinheit durchlaufen, in welcher eine Trennung der Metalladern 1 im gekerbten Bereich und im Bereich der Ankerstege, außer im Bereich der Netzknoten 4, sichergestellt wird. Dies ist in der Figur 4 angedeutet. Finally, the notched wire 5 can pass through a separation roller unit, in which a separation of the metal wires 1 in the notched region and in the region of the armature webs, except in the area of the network node 4, is ensured. This is indicated in FIG.
Die in Figur 6 näher dargestellte Breitstreckanordnung, die dem Aufziehen bzw. Aufspreizen des Adernbandes 5 bzw. der Metalladern 1 zu einer netzartigen Metallmatte dient, ist mit Mitnehmerelementen 10 versehen, die an Führungsschienen 11 geführt werden, wobei die The spreader assembly shown in greater detail in FIG. 6, which serves to wind or spread the wire strand 5 or the metal wires 1 into a reticulated metal mat, is provided with entrainment elements 10, which are guided on guide rails 11, wherein the
Führungsschienen 11 beidseits des Adernbandes 5 Guide rails 11 on both sides of the wire 5
angeordnet sind und sich V-förmig in Zugrichtung öffnen. Am Beginn der Führungsschienen 11 ist eine are arranged and open V-shaped in the pulling direction. At the beginning of the guide rails 11 is a
Einpresseinheit 12 vorgesehen, die an beiden Rändern des Adernbandes 5 jeweils zwischen die randseitige und die dieser benachbarten Metalladern 1 sowie mittig zwischen den entsprechenden Netzknoten 4 ein Mitnehmerelement 10 einpresst. Die Einstichstelle ist in Fig. 1 mit x gekennzeichnet. Anschließend läuft dieses Pressing unit 12 is provided which presses on both edges of the wire 5 each between the edge side and the adjacent metal wires 1 and centrally between the corresponding network node 4, a driver element 10. The puncture site is marked x in FIG. Then this runs
Mitnehmerelement 10 längs der Führungsschiene 11 und führt dabei zu einem Aufspreizen des Adernbandes 5, wobei die Kräfte über die Metalladern 1 und die Carrier element 10 along the guide rail 11 and thereby leads to a spreading of the wire 5, wherein the forces on the metal wires 1 and the
Netzknoten 4 zur Mitte des Adernbandes 5 hin übertragen werden und somit auch dort zu einem Aufspreizen führen.  Node 4 are transmitted to the center of the wire 5 and back lead thus also to a spreading.
Um eine gleichmäßige und symmetrische Netzstruktur zu erreichen, ist zu Beginn der Führungsschienen 11 eine Positioniereinrichtung vorgesehen, die die In order to achieve a uniform and symmetrical network structure, a positioning device is provided at the beginning of the guide rails 11, which the
Mitnehmerelemente 11 etwa mittig zu den Netzknoten 4 einpressen. Da das Adernband vorteilhafterweise unter Zug durch die Streckanordnung transportiert wird, ist hinter den Press entrainment elements 11 approximately centrally to the network node 4. Since the wire strand is advantageously transported under tension through the drafting arrangement, behind the
Führungsschienen 12 eine von Transportwalzen 13 Guide rails 12 one of transport rollers 13th
gebildete Zugeinrichtung für das Adernband 5 vorgesehen. formed pulling device for the wire 5 is provided.

Claims

Patentansprüche: claims:
Verfahren zur Herstellung von netzartigen Process for the preparation of reticulated
Metallmatten aus metallischem Bandmaterial, dadurch gekennzeichnet, daß das Bandmaterial zunächst durch Kerbwalzen mit parallel zueinander laufenden  Metal mats of metallic strip material, characterized in that the strip material first by notching rollers with parallel to each other
Kerben (2) zur Bildung von Metalladern (1) versehen wird, wobei die Kerben (2) Werkstoffabhängig so tief ausgeführt werden, daß möglichst keine  Notches (2) for the formation of metal cores (1) is provided, wherein the notches (2) Depending on the material are carried out so deep that possible no
Schiebungsbrüche ausgebildet werden, und wobei die Kerben (2) in wenigstens einer Weise von ungekerbten Bereichen - deren gegenseitiger Abstand in der jeweiligen Kerbe (2) die spätere mögliche  Sliding fractures are formed, and wherein the notches (2) in at least one way of unnotched areas - their mutual distance in the respective notch (2) the later possible
Maschenweite bestimmt - derart unterbrochen sind, daß diese später Netzknoten (4) bilden, wobei die Netzknoten (4) in den jeweils benachbarten  Mesh size determined - are interrupted so that later form network nodes (4), wherein the network nodes (4) in the respectively adjacent
Kerben (2) um ungefähr den halben Netzknotenabstand versetzt sind, daß sodann das so ausgeformte Band einem Walkprozess unterworfen wird, bei welchem die an den Kerbgrund anschließenden, die Metalladern (1) noch miteinander verbindenden Stege (3) eine  Notches (2) are offset by approximately half the network node spacing, that then the thus formed band is subjected to a rolling process, in which the adjoining the notch base, the metal wires (1) still interconnecting webs (3) a
mehrfache Biegeverformung um ihre Längsachse derart erfahren, daß Anrisse durch Dauerbruch entstehen, die zur völligen Trennung der Metalladern (1) im Bereich der Stege (3) führen, während an den  experienced multiple bending deformation about its longitudinal axis such that cracks caused by fatigue break, leading to the complete separation of the metal wires (1) in the region of the webs (3), while at the
Netzknoten (4) sich keine Anrisse bilden, und daß schließlich das so entstandene Adernband an seinen beiden randseitigen Metalladern (1) angreifenden Querzugkräften ausgesetzt wird, wodurch eine  Node (4) form no cracks, and that finally the resulting vein band is exposed at its two edge metal cores (1) attacking transverse tensile forces, creating a
verbreitende Verformung des Adernbandes (5) zu einer netzartigen Struktur erfolgt. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Zahl der Metalladern (1) geradzahlig ist. spreading deformation of the wire (5) is made into a net-like structure. Method according to Claim 1, characterized in that the number of metal wires (1) is even.
Verfahren nach Anspruch 1 oder 2 , dadurch A method according to claim 1 or 2, characterized
gekennzeichnet, daß die in Längsrichtung der characterized in that the longitudinal direction of the
Kerben (2) gemessene Länge der Netzknoten (4) etwa dem zwei- bis vierfachen der Dicke des Bandmaterials entspricht . Notches (2) measured length of the network node (4) corresponds approximately to two to four times the thickness of the strip material.
Verfahren nach einem der Ansprüche 1 bis 3 , dadurch gekennzeichnet, daß jede Kerbe (2) von einer Method according to one of claims 1 to 3, characterized in that each notch (2) of a
Vielzahl von Kerbabschnitten (6) gebildet ist, wobei die zwischen den Kerbabschnitten (6) liegenden, ungekerbten Bereiche nach Trennung der Variety of notch portions (6) is formed, wherein the between the notch portions (6) lying, not unnotched areas after separation of the
Metalladern (1) Ankernasen (8) in Form von Metal veins (1) Anchor noses (8) in the form of
Verankerungsvorsprüngen bilden. Form anchoring projections.
Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß die zwischen den Kerbabschnitten {6} liegenden, ungekerbten Bereiche zur späteren Trennung in A method according to claim 4, characterized in that the notched areas lying between the notched sections {6} are arranged for subsequent separation into
Längsrichtung der Kerben (2) angeritzt werden. Longitudinal of the notches (2) are scratched.
Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Bandmaterial auf beiden Oberflächen mit zueinander korrespondierenden Method according to one of claims 1 to 5, characterized in that the strip material on both surfaces with each other corresponding
Kerben {2) bzw. Kerbabschnitten zur Bildung der Netzknoten (4) und Ankernasen (8) versehen wird. Notches {2) or notch sections for forming the network nodes (4) and Ankernasen (8) is provided.
Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß beim Walkprozess die Anzahl der Biegebewegungen sowie der Biegewinkel so gewählt sind, daß die Stege (3) und die Ankerstege Method according to one of claims 1 to 6, characterized in that during the milling process, the number of bending movements and the bending angle are selected so that the webs (3) and the anchor webs
voneinander getrennt, die Netzknoten (4) jedoch noch nicht angerissen werden. separated, the network node (4) but still not be touched.
Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Netzknoten (4) mit einer in Längsrichtung der Kerben (2) verlaufenden Method according to one of claims 1 to 7, characterized in that the network nodes (4) extend in the longitudinal direction of the notches (2)
muldenförmigen Vertiefung (9) versehen sind. trough-shaped depression (9) are provided.
Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das gekerbte Adernband (5) eine Trennwalzeinheit durchläuft, in welcher eine Method according to one of claims 1 to 8, characterized in that the notched wire band (5) passes through a separation roller unit, in which a
vollständige Trennung der Metalladern (1} außer im Bereich der Netzknoten (4) sicher gestellt wird. complete separation of the metal wires (1) except in the area of the network nodes (4) is ensured.
Vorrichtung zur Durchführung des Verfahrens nach den vorangegangenen Ansprüchen, insbesondere zur Apparatus for carrying out the method according to the preceding claims, in particular for
Herstellung von bandförmigem Netzmaterial, bestehend aus einer Anordnung zum Kerben von metallischem Bandmaterial mit vorzugsweise zwei zwischen sich das Bandmaterial kerbenden, dabei Metalladern (1) von durch Netzknoten (4) begrenzter Länge sowie Production of band-shaped net material, consisting of an arrangement for notching metallic strip material with preferably two notches between the strip material, thereby metal cores (1) of network nodes (4) of limited length and
gegebenenfalls Ankerstege bildenden Kerbwalzen, ferner bedarfsweise aus einer Anordnung zum Ritzen von ungekerbten, längs der Kerben (2) verteilt angeordneten Ankerstege für die späteren optionally anchor bars forming notching rollers, further, if necessary, from an arrangement for scoring unginned, along the notches (2) distributed arranged anchor webs for later
Ankernasen (8) bildenden Bereichen innerhalb der Kerben (2) , ferner bedarfsweise aus einer die Ankernasen (8) forming areas within the notches (2), further, if necessary, from a
Metalladern (1) jeweils gegeneinander längs ihres sie verbindenden Steges (3) biegeverformenden Metal wires (1) each against each other along their connecting web (3) bending deforming
Walkwalzenanordnung, ferner bedarfsweise aus einer Trennwalzeneinheit zum vollständigen Trennen der Metalladern (1} im Bereich der Kerben (2) und Walk roller assembly, further, if necessary, from a separation roller unit for completely separating the metal wires (1} in the region of the notches (2) and
Ankerstege, und aus einer BreitStreckanordnung zum Aufziehen bzw. Aufspreizen des Bandmaterials bzw. des Adernbandes (5) zu einer netzartigen Anchor webs, and from a BreitStreckanordnung for mounting or spreading of the strip material or of the vein band (5) to a net-like
Metallmatte . Metal mat.
Vorrichtung nach Anspruch 10, dadurch Apparatus according to claim 10, characterized
gekennzeichnet, daß die Breitstreckanordnung mit geschleppten Mitnehmerelementen (10) versehen ist, die an beidseits des Adernbandes (5) angeordneten, V-förmig in Transportrichtung des Adernbandes (5) sich öffnenden Führungsschienen (11) umlaufen. characterized in that the spreader assembly is provided with towed entrainment elements (10) which are arranged on both sides of the wire (5), V-shaped in the transport direction of the wire (5) opening guide rails (11) rotate.
Vorrichtung nach Anspruch 11, dadurch Apparatus according to claim 11, characterized
gekennzeichnet, daß am Beginn der characterized in that at the beginning of
Führungsschienen (11) eine Einpresseinheit (12) vorgesehen ist, die an beiden Rändern des Guide rails (11) is provided a pressing unit (12), which at both edges of the
Bandmaterials (5) zwischen die randseitige und die dieser benachbarte Metallader (1) jeweils mittig zu den entsprechenden Netzknoten (4) ein Band material (5) between the edge-side and this adjacent metal core (1) in each case centrally to the corresponding network node (4)
Mitnehmerelement (10) einpreßt. Driving element (10) presses.
Vorrichtung nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß eine Positioniereinrichtung zum Einpressen der Mitnehmerelemente (10) beidseitig am Adernband (5) in den jeweils äußeren Kerben (2) , mittig zu den Netzknoten (4) vorgesehen ist. Apparatus according to claim 11 or 12, characterized in that a positioning device for pressing in the driver elements (10) on both sides of the wire strip (5) in the respective outer notches (2), is provided centrally to the network node (4).
Vorrichtung nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, daß hinter den Device according to one of claims 11 to 13, characterized in that behind the
Führungsschienen (11) eine von Transportwalzen (13) gebildete Zugeinrichtung für das Netzmaterial vorgesehen ist. Guide rails (11) is provided by transport rollers (13) formed pulling device for the net material.
15. Nach dem Verfahren der Ansprüche 1 bis 9 und/oder mit der Vorrichtung nach den Ansprüchen 10 bis 14 hergestelltes bandförmiges Netzmaterial, 15. According to the method of claims 1 to 9 and / or with the device according to claims 10 to 14 produced band-shaped mesh material,
insbesondere netzartige Metallmatte, bestehend aus Metalladern (1) , die jeweils endseitig an einen in particular reticulated metal mat, consisting of metal wires (1), each end to a
Netzknoten (4) angeschlossen sind, wobei an jedem Netzknoten (4) jeweils vier Metalladern (1) enden, und wobei die Metalladern (1) und die Netzknoten von Bandmaterial gebildet sind, aus welchem die Network nodes (4) are connected, wherein at each network node (4) in each case four metal wires (1) terminate, and wherein the metal wires (1) and the network nodes are formed of strip material from which the
Metalladern durch Kerbwalzen und anschließendes Metal veins by notching rollers and subsequent
Trennen voneinander freigestellt und durch Separate from each other and through
seitliches Aufspreizen zu einer Netzstruktur umgeformt sind.  lateral spreading are formed into a network structure.
EP20110804920 2010-09-08 2011-07-20 Method for producing network-like metal mats and apparatus for carrying out the method Active EP2613898B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL11804920T PL2613898T3 (en) 2010-09-08 2011-07-20 Method for producing network-like metal mats and apparatus for carrying out the method
HRP20150076AT HRP20150076T1 (en) 2010-09-08 2015-01-20 Method for producing network-like metal mats and apparatus for carrying out the method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010044695 DE102010044695A1 (en) 2010-09-08 2010-09-08 Process for the production of net-like metal mats and apparatus for carrying out the process
PCT/DE2011/001503 WO2012031577A2 (en) 2010-09-08 2011-07-20 Method for producing network-like metal mats and apparatus for carrying out the method

Publications (2)

Publication Number Publication Date
EP2613898A2 true EP2613898A2 (en) 2013-07-17
EP2613898B1 EP2613898B1 (en) 2014-10-29

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US (1) US9180602B2 (en)
EP (1) EP2613898B1 (en)
JP (1) JP6193123B2 (en)
KR (1) KR101991523B1 (en)
CN (1) CN103209781B (en)
AU (1) AU2011300965B2 (en)
BR (1) BR112013005650B1 (en)
CA (1) CA2809043C (en)
DE (1) DE102010044695A1 (en)
DK (1) DK2613898T3 (en)
EA (1) EA026285B1 (en)
ES (1) ES2528959T3 (en)
HR (1) HRP20150076T1 (en)
MA (1) MA34513B1 (en)
MY (1) MY166307A (en)
NZ (1) NZ608658A (en)
PL (1) PL2613898T3 (en)
PT (1) PT2613898E (en)
SG (1) SG188468A1 (en)
UA (1) UA107262C2 (en)
WO (1) WO2012031577A2 (en)

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Also Published As

Publication number Publication date
EP2613898B1 (en) 2014-10-29
CN103209781A (en) 2013-07-17
SG188468A1 (en) 2013-04-30
AU2011300965B2 (en) 2015-05-28
JP2013537851A (en) 2013-10-07
CN103209781B (en) 2016-01-20
AU2011300965A1 (en) 2013-03-28
UA107262C2 (en) 2014-12-10
KR20130100143A (en) 2013-09-09
HRP20150076T1 (en) 2015-04-10
EA026285B1 (en) 2017-03-31
PL2613898T3 (en) 2015-04-30
JP6193123B2 (en) 2017-09-06
CA2809043A1 (en) 2012-03-15
EA201390348A1 (en) 2013-07-30
MA34513B1 (en) 2013-09-02
WO2012031577A3 (en) 2012-06-07
PT2613898E (en) 2015-02-09
BR112013005650A2 (en) 2016-05-03
MY166307A (en) 2018-06-25
CA2809043C (en) 2016-06-07
BR112013005650B1 (en) 2020-06-30
KR101991523B1 (en) 2019-06-20
ES2528959T3 (en) 2015-02-13
NZ608658A (en) 2015-04-24
DE102010044695A1 (en) 2012-03-08
DK2613898T3 (en) 2015-01-26
WO2012031577A2 (en) 2012-03-15
US9180602B2 (en) 2015-11-10
US20130216851A1 (en) 2013-08-22

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