EP2377631A2 - Method and assembly for sorting and bending steel rods and steel wire - Google Patents
Method and assembly for sorting and bending steel rods and steel wire Download PDFInfo
- Publication number
- EP2377631A2 EP2377631A2 EP11002523A EP11002523A EP2377631A2 EP 2377631 A2 EP2377631 A2 EP 2377631A2 EP 11002523 A EP11002523 A EP 11002523A EP 11002523 A EP11002523 A EP 11002523A EP 2377631 A2 EP2377631 A2 EP 2377631A2
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- EP
- European Patent Office
- Prior art keywords
- steel
- sorting
- rod
- wire
- bending
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
- B21D11/12—Bending specially adapted to produce specific articles, e.g. leaf springs the articles being reinforcements for concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/28—Associations of cutting devices therewith
- B21D43/285—Devices for handling elongated articles, e.g. bars, tubes or profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
- B21F23/005—Feeding discrete lengths of wire or rod
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
- B21F23/005—Feeding discrete lengths of wire or rod
- B21F23/007—Feeding discrete lengths of wire or rod using pick-up means, e.g. for isolating a predefined number of wires from a bundle
Definitions
- the invention relates to a method and a plant for sorting and bending steel bars and steel wires.
- the EP 1 575 720 B1 Applicant discloses a method and apparatus for extracting and separating cut to length, magnetizable steel wires from a wire supply.
- each row separated the uppermost steel wire and set at least one end of each separate steel wire; all remaining steel wires of the series are dropped into the wire supply, and the separated steel wire (s) are fed to a further treatment device.
- the top steel wire of each row is used singly or with others top steel wires together laterally, moved vertically to its longitudinal direction.
- the object of the invention is to provide a method and a system of the type described in the introduction, which make it possible with structurally simple means steel rods and steel wires that are taken from a stock to sort by their length and / or their diameter and at the ends to bend.
- the method according to the invention for sorting and bending steel bars and steel wires is characterized in that at least one steel bar is taken from a bar stock or at least one steel wire is drawn from a wire coil, each steel bar or steel wire is advanced in the longitudinal direction and subjected to a length measurement, whereupon it is cut at least at its rear end to a predetermined nominal size, that the cut to size steel rod or steel wire is entered according to its length and / or diameter in each one of several sorting magazines, that in the sorting magazines each collected steel bars or steel wires successively individually handed over to a positioning of bending in the feed direction relative to each other adjustable bending saws with bending heads, which bend the ends of the rod or wire according to a predetermined pattern.
- the invention further relates to a system for carrying out the method, which is characterized in that it comprises a device for removing at least one steel rod from a rod stock or for removing at least one steel wire Having a wire winding and a device downstream of the removal device for supplying the steel rod or steel wire to a length measuring device and a pair of scissors for cutting the steel bar or steel wire at least at its rear end to a predetermined nominal size, that following the scissors an opening and closable chute of a sorting device for inserting the cut to size steel rod or steel wire according to its length and / or its diameter is provided in each one of several sorting magazines, which is movable between a receiving position under the Einschußrinne and a dispensing position, in each case a rod or Wire is delivered in a positioning of under the sorting magazines relative to each other adjustable devices with bending heads for bending the ends of the bars or wires according to a predetermined pattern.
- the removal device for the steel bars is formed by a gripper which is pivotally and hydraulically actuated on the system frame between a rod removal position and a transfer position in the region of the withdrawn rod in the longitudinal direction promoting delivery device is movable, which is preferably designed as a roll-feeding device is.
- the gripper is equipped with a hydraulically actuated magnet for removing magnetizable steel rods.
- the sorting magazines for the cut steel rods or steel wires have on the plant frame hydraulically pivotally mounted, in cross-section hook-shaped grooves.
- the sorting magazines may have grooves arranged on the circumference of a rotatable sorting drum, which passages are hydraulically driven actuated pivoting flap of the trough loaded and unloaded via a hydraulically operated discharge flap.
- a discharge device for the bent rods or wires is connected downstream.
- Fig. 1 a schematic front view of the system according to the invention
- Fig. 2 a schematic side view of the Stahlstabzu Switzerlandvoruze, seen in the direction of arrows II-II in Fig. 1
- Fig. 3 a schematic view of an alternative Stahlstabzu Switzerlandvortechnik according to the invention
- Fig. 4 a schematic view of the sorting device, as seen in the direction of arrows IV-IV in Fig. 1
- Fig. 5 an alternative embodiment of the sorting device in a view accordingly Fig. 4
- the Fig. 6 and 7 a front view and perspective view of the sorting device according to Fig. 5 ,
- the system shown in the drawings has in the material feed direction P on a system frame A connected in series a device 1 for removing a steel bar S from a rod stock, not shown, for bars of different lengths and / or different diameters.
- the removal device 1 transfers the rod S to a feeding device 2, which is followed by a length measuring device 3 and a wire cutter 4, to which a sorting device 5 is connected in the feed direction P of the rods S.
- the type of feed of the material to be processed depends mainly on the diameter of the material.
- Wire coils are currently available on the market up to a wire diameter of, for example, a maximum of 25 mm. Up to this diameter, a processing or wire feed from ring (coil, compact coil or so-called wild ring) take place.
- the feeding device 2 is then optionally with a wire drain, not shown, for example, wire coil, in conjunction and may be formed as a rotor or roller straightening device.
- the feeding device 2 is configured as a roll feeding device without directional function.
- a hydraulically operated gripper 1 'pivotally mounted which is equipped at its free end with a recess 1 "for receiving a rod S, which the rod stock with the help of a likewise hydraulically actuated magnet 1 "'is removed.
- the gripper 1 ' is pivotable between a position in which he removes the rod S in the supply, in a transfer position, in which he passes the singled rod S in the Einschußline E of driven andrecibewegbaren feed rollers 2' of the feeder 2.
- a measuring roller pair 3 ' is provided, which forms the measuring device 3.
- the simple gripper after Fig. 2 be replaced by a multi-gripper 15, with which, for example, three rods S can be simultaneously removed from the rod stock and introduced into the feeder 2, which in this case feed rollers 2 ', which convey a plurality of bars or wires side by side to a plurality of measuring devices 3 and 4 scissors can, whereupon each rod is registered in the sorting device 5.
- a multi-gripper 15 with which, for example, three rods S can be simultaneously removed from the rod stock and introduced into the feeder 2, which in this case feed rollers 2 ', which convey a plurality of bars or wires side by side to a plurality of measuring devices 3 and 4 scissors can, whereupon each rod is registered in the sorting device 5.
- the sorting device 5 is according to Fig. 4 Below the discharge device 8 are mounted on rails 9 of the system frame A mobile mounted bending jaws 10, each with a positioning device 11 and an integrated adjustable bending head 12, with which the ends of the steel bars after bent a predetermined pattern.
- the design of the bending saws and their bending heads is made so that several steel bars can be bent simultaneously.
- the injection chute 6, which is formed symmetrically with respect to a median plane M from angular profiles 6 ', is openably and closably mounted on a support A' of the installation frame A via hydraulically actuated pivot arms 6.
- the sorting magazines formed by angle profiles 7 ' are symmetrical to the plane M. 7 by means of hydraulically actuated pivoting arms 7 "pivotally supported by the carrier A 'at a mutual distance in the feed direction P transverse walls 14 supported.
- the arrangement is such that the pivot arms 6 "of the tundish 6 cooperate to form the channel.
- the cut steel rods S fed into the tundish 6 are deposited into one of the sorting magazines 7 according to their length and / or diameter, by pivoting the respective sorting magazine with the aid of its pivot arm 7 "below the exit region of the trough 6 and opening it
- the bars sorted in the sorting magazines 7 are then transferred one by one to a discharge flap 8 'of the discharge device 8 provided beneath the sorting magazines 7, which transfers the bar S into the positioning device 11 and into the bending heads 12 stores the associated bending jaws 10, whereupon the ends of the rods S in the bending heads 12 are bent according to a predetermined pattern.
- the bent rods reach into a discharge device, not shown, consisting of a collecting trough, a roller table, a pallet truck, a plate belt and the like. can be formed.
- a rotatable sorting drum 13 instead of the sorting device 5 with the sorting magazines 7 according to Fig. 1 Alternatively, a rotatable sorting drum 13 according to the Fig. 5 to 7
- the sorting drum 13 carries on its circumference sorting magazines 13 ', which are filled by the tundish 6 "' and which are filled by means of a hydraulically actuated flap 6 IV sorted rods or wires on the transverse walls 14 'pivotally mounted, hydraulically actuated discharge flaps 15 to the positioning device 11 of the bending jaws 10 deliver.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Sorting Of Articles (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren und eine Anlage zum Sortieren und Biegen von Stahlstäben und Stahldrähten.The invention relates to a method and a plant for sorting and bending steel bars and steel wires.
Aus der
Das
Aufgabe der Erfindung ist es, ein Verfahren und eine Anlage der einleitend angegebenen Art zu schaffen, die es ermöglichen, mit konstruktiv einfachen Mitteln Stahlstäbe und Stahldrähte, die einem Vorrat entnommen werden, nach ihrer Länge und/oder ihrem Durchmesser zu sortieren und an den Enden zu biegen.The object of the invention is to provide a method and a system of the type described in the introduction, which make it possible with structurally simple means steel rods and steel wires that are taken from a stock to sort by their length and / or their diameter and at the ends to bend.
Das erfindungsgemäße Verfahren zum Sortieren und Biegen von Stahlstäben und Stahldrähten zeichnet sich dadurch aus, daß zumindest ein Stahlstab einem Stabvorrat entnommen oder zumindest ein Stahldraht von einem Drahtwickel abgezogen wird, daß jeder Stahlstab bzw. Stahldraht in der Längsrichtung vorgeschoben und einer Längenmessung unterzogen wird, worauf er zumindest an seinem hinteren Ende auf ein vorbestimmtes Sollmaß geschnitten wird, daß der auf Maß geschnittene Stahlstab bzw. Stahldraht entsprechend seiner Länge und/oder seinem Durchmesser in jeweils eines von mehreren Sortiermagazinen eingetragen wird, daß die in den Sortiermagazinen jeweils gesammelten Stahlstäbe bzw. Stahldrähte nacheinander einzeln an eine Positioniereinrichtung von in der Vorschubrichtung relativ zueinander verstellbaren Biegewägen mit Biegeköpfen übergeben werden, welche die Enden des Stabes bzw. Drahtes nach einem vorbestimmten Muster biegen.The method according to the invention for sorting and bending steel bars and steel wires is characterized in that at least one steel bar is taken from a bar stock or at least one steel wire is drawn from a wire coil, each steel bar or steel wire is advanced in the longitudinal direction and subjected to a length measurement, whereupon it is cut at least at its rear end to a predetermined nominal size, that the cut to size steel rod or steel wire is entered according to its length and / or diameter in each one of several sorting magazines, that in the sorting magazines each collected steel bars or steel wires successively individually handed over to a positioning of bending in the feed direction relative to each other adjustable bending saws with bending heads, which bend the ends of the rod or wire according to a predetermined pattern.
Vorzugsweise werden bei der Verarbeitung von Stahlstäben mehrere Stäbe gleichzeitig dem Stabvorrat entnommen, parallel zueinander vorgeschoben, gemessen, abgelängt und in ein zugeordnetes Sortiermagazin eingetragen.Preferably, in the processing of steel bars, several bars are simultaneously removed from the bar stock, fed parallel to each other, measured, cut to length and entered into an associated sorting magazine.
Gegenstand der Erfindung ist ferner eine Anlage zur Durchführung des Verfahrens, die sich dadurch auszeichnet, daß sie eine Vorrichtung zum Entnehmen zumindest eines Stahlstabes aus einem Stabvorrat oder zum Abziehen zumindest eines Stahldrahtes von einem Drahtwickel sowie eine der Entnahmevorrichtung nachgeschaltete Vorrichtung zum Zuführen des Stahlstabes bzw. Stahldrahtes zu einer Längenmeßeinrichtung und einer Schere zum Schneiden des Stahlstabes bzw. Stahldrahtes zumindest an seinem hinteren Ende auf ein vorbestimmtes Sollmaß aufweist, daß im Anschluß an die Schere eine öffen- und schließbare Einschußrinne einer Sortiervorrichtung zum Eintragen des auf Maß geschnittenen Stahlstabes bzw. Stahldrahtes entsprechend seiner Länge und/oder seinem Durchmesser in jeweils eines von mehreren Sortiermagazinen vorgesehen ist, welches zwischen einer Aufnahmestellung unter der Einschußrinne und einer Abgabestellung bewegbar ist, in der jeweils ein Stab bzw. Draht in eine Positioniereinrichtung von unter den Sortiermagazinen relativ zueinander verstellbaren Vorrichtungen mit Biegeköpfen zum Biegen der Enden der Stäbe bzw. Drähte nach einem vorbestimmten Muster abgegeben wird.The invention further relates to a system for carrying out the method, which is characterized in that it comprises a device for removing at least one steel rod from a rod stock or for removing at least one steel wire Having a wire winding and a device downstream of the removal device for supplying the steel rod or steel wire to a length measuring device and a pair of scissors for cutting the steel bar or steel wire at least at its rear end to a predetermined nominal size, that following the scissors an opening and closable chute of a sorting device for inserting the cut to size steel rod or steel wire according to its length and / or its diameter is provided in each one of several sorting magazines, which is movable between a receiving position under the Einschußrinne and a dispensing position, in each case a rod or Wire is delivered in a positioning of under the sorting magazines relative to each other adjustable devices with bending heads for bending the ends of the bars or wires according to a predetermined pattern.
Gemäß einer bevorzugten Ausführungsform der Erfindung ist die Entnahmevorrichtung für die Stahlstäbe durch einen Greifer gebildet, der am Anlagengestell schwenkbar und hydraulisch betätigbar zwischen einer Stabentnahmestellung und einer Übergabestellung in den Bereich einer den entnommenen Stab in der Längsrichtung fördernden Zuführvorrichtung bewegbar ist, die vorzugsweise als Rollenzuführvorrichtung ausgebildet ist.According to a preferred embodiment of the invention, the removal device for the steel bars is formed by a gripper which is pivotally and hydraulically actuated on the system frame between a rod removal position and a transfer position in the region of the withdrawn rod in the longitudinal direction promoting delivery device is movable, which is preferably designed as a roll-feeding device is.
Nach einem weiteren Merkmal der Erfindung ist der Greifer mit einem hydraulisch betätigten Magneten zur Entnahme magnetisierbarer Stahlstäbe ausgestattet.According to a further feature of the invention, the gripper is equipped with a hydraulically actuated magnet for removing magnetizable steel rods.
Die Sortiermagazine für die abgelängten Stahlstäbe bzw. Stahldrähte weisen am Anlagengestell hydraulisch schwenkbar montierte, im Querschnitt hakenförmige Rinnen auf. Alternativ können die Sortiermagazine am Umfang einer drehbaren Sortiertrommel angeordnete Rinnen aufweisen, die über eine hydraulisch betätigte Schwenkklappe der Einschußrinne beladen und über eine hydraulisch betätigte Abwurfklappe entladen werden.The sorting magazines for the cut steel rods or steel wires have on the plant frame hydraulically pivotally mounted, in cross-section hook-shaped grooves. Alternatively, the sorting magazines may have grooves arranged on the circumference of a rotatable sorting drum, which passages are hydraulically driven actuated pivoting flap of the trough loaded and unloaded via a hydraulically operated discharge flap.
Den Biegevorrichtungen ist nach einem weiteren Erfindungsmerkmal eine Austragvorrichtung für die gebogenen Stäbe bzw. Drähte nachgeschaltet.The bending devices according to a further feature of the invention, a discharge device for the bent rods or wires is connected downstream.
Die Erfindung wird nachfolgend an Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen näher erläutert. Es zeigen:
Die in den Zeichnungen gezeigte Anlage weist in Materialvorschubrichtung P an einem Anlagenrahmen A hintereinander geschaltet eine Vorrichtung 1 zum Entnehmen eines Stahlstabes S aus einem nicht gezeigten Stabvorrat für Stäbe unterschiedlicher Länge und/oder unterschiedlichen Durchmessers auf. Die Entnahmevorrichtung 1 übergibt den Stab S an eine Zuführvorrichtung 2, der eine Längenmeßeinrichtung 3 und eine Drahtschere 4 nachgeordnet sind, auf die in Vorschubrichtung P der Stäbe S eine Sortiervorrichtung 5 anschließt.The system shown in the drawings has in the material feed direction P on a system frame A connected in series a
Die Art der Zuführung des zu verarbeitenden Materials hängt vor allem vom Materialdurchmesser ab. Drahtcoils sind derzeit bis zu einem Drahtdurchmesser von z.B. maximal 25 mm auf dem Markt erhältlich. Bis zu diesem Durchmesser kann eine Verarbeitung bzw. Drahtzufuhr ab Ring (Coil, Compactcoil oder sogenannter wilder Ring) erfolgen. Die Zuführvorrichtung 2 steht dann gegebenenfalls mit einem nicht gezeigten Drahtablauf, z.B. Drahtwickel, in Verbindung und kann als Rotor- oder Rollenrichtvorrichtung ausgebildet sein.The type of feed of the material to be processed depends mainly on the diameter of the material. Wire coils are currently available on the market up to a wire diameter of, for example, a maximum of 25 mm. Up to this diameter, a processing or wire feed from ring (coil, compact coil or so-called wild ring) take place. The
Bei Durchmessern über 25 mm werden vorgerichtete, warmgewalzte Stäbe zugeführt, wie dies
Wie aus den
Gemäß einer in
Die Sortiervorrichtung 5 besteht gemäß
Die aus symmetrisch zu einer Mittelebene M aus Winkelprofilen 6' gebildete Einschußrinne 6 ist an einem Träger A' des Anlagenrahmens A über hydraulisch betätigte Schwenkarme 6" öffenbar und schließbar gelagert. In ähnlicher Weise sind die durch symmetrisch zur Ebene M aus Winkelprofilen 7' gebildeten Sortiermagazine 7 mit Hilfe von hydraulisch betätigten Schwenkarmen 7" an von dem Träger A' mit gegenseitigem Abstand in Vorschubrichtung P getragenen Querwänden 14 schwenkbar gelagert. Die Anordnung ist so getroffen, daß die Schwenkarme 6" der Einschußrinne 6 zur Bildung der Rinne zusammenwirken.The
Im Betrieb werden die in die Einschußrinne 6 eingespeisten, abgelängten Stahlstäbe S entsprechend ihrer Länge und/ oder ihres Durchmessers in jeweils eines der Sortiermagazine 7 abgelegt, indem das jeweilige Sortiermagazin mit Hilfe seines Schwenkarmes 7" unter den Austrittsbereich der Rinne 6 geschwenkt und diese geöffnet wird, so daß der Stab in das Magazin fällt. Die in den Sortiermagazinen 7 sortierten Stäbe werden sodann durch Schwenken der Sortiermagazine 7 einzeln an eine unterhalb derselben vorgesehene Abwurfklappe 8' der Abwurfeinrichtung 8 übergeben, welche den Stab S in die Positioniereinrichtung 11 und in die Biegeköpfe 12 der zugeordneten Biegewägen 10 ablegt, worauf die Enden der Stäbe S in den Biegeköpfen 12 nach einem vorbestimmten Muster gebogen werden. Nach dem Biegevorgang gelangen die gebogenen Stäbe in eine nicht gezeigte Austragvorrichtung, die aus einer Sammelmulde, einem Rollgang, einem Palettenwagen, einem Plattenband u.dgl. gebildet sein kann.In operation, the cut steel rods S fed into the tundish 6 are deposited into one of the
Bei der Verarbeitung von Stahldrähten ausgehend von einem Drahtwickel wird ebenso wie bei der Verarbeitung von Stäben vorgegangen, wie vorstehend beschrieben, mit dem Unterschied, daß die Drähte von einem Drahtablauf direkt in die vorzugsweise auch als Richtvorrichtung ausgebildete Zuführvorrichtung 2 gelangen, also die Entnahmevorrichtung 1 nicht tätig wird.In the processing of steel wires starting from a wire winding procedure is the same as in the processing of rods, as described above, with the difference that the wires from a wire run directly into the preferably designed as a
Statt der Sortiervorrichtung 5 mit den Sortiermagazinen 7 gemäß
Es versteht sich, daß alle Arbeitsvorgänge der Anlage computergesteuert ablaufen und daß im Rahmen des Erfindungsgedankens Abwandlungen der geschilderten Ausführungsbeispiele möglich sind, insbesondere was die Anzahl der jeweils gleichzeitig bearbeiteten Stahlstäbe bzw. Stahldrähte und die Anzahl der Biegewägen betrifft.It is understood that all operations of the system run computer controlled and that in the context of the inventive concept modifications of the described embodiments are possible, in particular as regards the number of each simultaneously processed steel bars or steel wires and the number of bending saws.
Claims (7)
Applications Claiming Priority (1)
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AT6162010 | 2010-04-15 |
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EP2377631A2 true EP2377631A2 (en) | 2011-10-19 |
EP2377631A3 EP2377631A3 (en) | 2014-09-10 |
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