EP2140954A1 - Method and device for manufacturing finely cut sections from a strip of material - Google Patents
Method and device for manufacturing finely cut sections from a strip of material Download PDFInfo
- Publication number
- EP2140954A1 EP2140954A1 EP20080012011 EP08012011A EP2140954A1 EP 2140954 A1 EP2140954 A1 EP 2140954A1 EP 20080012011 EP20080012011 EP 20080012011 EP 08012011 A EP08012011 A EP 08012011A EP 2140954 A1 EP2140954 A1 EP 2140954A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- strip
- fine
- die insert
- punch
- 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
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/10—Incompletely punching in such a manner that the parts are still coherent with the work
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0448—With subsequent handling [i.e., of product]
- Y10T83/0467—By separating products from each other
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0524—Plural cutting steps
- Y10T83/0529—Blanking and cutting
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/06—Blanking
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2074—Including means to divert one portion of product from another
- Y10T83/2079—Remaining or re-inserted product portion from base material
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Herstellen von Feinschneidteilen aus einem Materialstreifen in einem Feinschneidwerkzeug, bei dem ein Materialstreifen zwischen zwei Werkzeugteilen bzw. zwischen einer oberen Press- oder Führungsplatte und einer unteren Schneidplatte sowie einem oberen und unteren Schneidstempel eingeklemmt wird und das Schneiden im Zusammenwirken mit den oberen und unteren Schneidstempel erfolgt, wobei die Feinschneidteile aus dem Werkzeuginnenraum des Werkzeugs in Laufrichtung des Materialstreifens abgeführt werden.The invention relates to a method for producing fine blanked parts from a strip of material in a fine blanking tool, in which a strip of material between two tool parts or between an upper press or guide plate and a lower cutting plate and an upper and lower cutting punch is clamped and cutting in cooperation with the upper and lower cutting punch takes place, wherein the fine cutting parts are removed from the tool interior of the tool in the direction of the strip of material.
Die Erfindung betrifft ferner eine Vorrichtung zum Herstellen von Feinschneidteilen aus einem Materialstreifen, mit mindestens einer Schneidplatte und einem Schneidstempel zum Ausschneiden des Feinschneidteils aus einem Materialstreifen.The invention further relates to a device for producing fine blanking parts from a material strip, with at least one cutting plate and a cutting punch for cutting the fine blanking part from a strip of material.
Aus der
Zwar vermeidet dieser bekannte Stand der Technik das für Feinschneidteile nachteilige Zurückdrücken des Feinschneidteils in den Materialstreifen, doch wird dieser Vorteil durch Relativbewegungen innerhalb des Werkzeuginnenraums senkrecht zur Laufrichtung des Materialstreifens erkauft, was ein vollständiges Öffnen des Werkzeugs erfordert und zugleich den Aufbau des Werkzeugs verkompliziert. Das vollständige Öffnen des Werkzeugs verlangt einen größeren Öffnungsweg, wodurch die Anzahl der Pressenhübe beschränkt wird. Dieser bekannte Stand der Technik kann daher nicht auf Hochgeschwindigkeitspressen eingesetzt werden.Although this known prior art avoids the fine blanking parts disadvantageous pushing back the fine blanking in the strip of material, but this advantage is purchased by relative movements within the tool cavity perpendicular to the direction of the strip of material, which requires a complete opening of the tool and at the same time complicates the structure of the tool. Full opening of the tool requires a larger opening travel, which limits the number of press strokes. Therefore, this prior art can not be used on high-speed presses.
Andere bekannte Lösungen führen die Stanzteile durch Vereinzelungsvorrichtungen (siehe
Bei diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung zum Herstellen von Feinschneidteilen derart zu verbessern, dass eine vertikale Relativbewegung zwischen Materialstreifen und Feinschneidteil völlig vermieden wird, der notwendige Öffnungs- und Schließweg der Vorrichtung reduziert und bei einfachem Aufbau der Vorrichtung ein Einsatz auf Hochgeschwindigkeitspressen möglich wird, wobei die Feinschneidteile keine Beschädigungen an den Funktionsflächen erleiden.In this prior art, the present invention seeks to improve a method and apparatus for producing fineblanked parts such that a vertical relative movement between strip of material and fineblanking part is completely avoided, reduces the necessary opening and closing path of the device and a simple structure the device is a use on high-speed presses possible, the fineblanking parts suffer no damage to the functional surfaces.
Diese Aufgabe wird durch ein Verfahren der eingangs genannten Gattung mit den Merkmalen des Anspruchs 1 und durch eine Vorrichtung mit den Merkmalen des Anspruchs 9 gelöst.This object is achieved by a method of the type mentioned with the features of claim 1 and by a device having the features of
Vorteilhafte Ausgestaltungen des Verfahrens und der Vorrichtung sind den Unteransprüchen entnehmbar.Advantageous embodiments of the method and the device are the dependent claims.
Die erfindungsgemäße Lösung zeichnet sich dadurch aus, dass das Schneiden als ein unvollendeter Komplettschnitt entlang des Umfangs des Feinschneidteils mit einer speziellen geformten Schneidkante von Schneidstempel und/oder Schneidplatte so durchgeführt wird, dass das Feinschneidteil an partiellen Verbindungspartien am Materialstreifen etwa an dessen oberen oder unteren Ebene in einer Höhenlage gegenüber dem Materialstreifen stoffschlüssig angebunden bleibt und zusammen mit dem Materialstreifen in Laufrichtung des Streifens bis zu einer nachfolgenden Entformungsstufe bewegt wird, in der die partiellen Verbindungspartien vom Materialstreifen scherkraftfrei ohne Zurückdrücken voneinander getrennt werden.The solution according to the invention is characterized in that the cutting is carried out as an unfinished complete cut along the circumference of the fine blanking part with a special shaped cutting edge of cutting punch and / or insert such that the fine blanking part at partial connecting parts on the material strip at about its upper or lower level remains bonded cohesively in an altitude relative to the material strip and is moved together with the strip of material in the direction of the strip to a subsequent demolding, in which the partial connecting parts are separated from the strip of material shear forces without pushing back from each other.
Nach dem erfindungsgemäßen Verfahren wird das Feinschneidteil zu etwa 80 bis 90% seines Umfanges komplett aus dem Materialstreifen ausgeschnitten. Es bestehen nur noch einzelne Verbindungsbereiche oder -punkte zwischen dem Feinschneidteil und dem Materialstreifen.
Das Feinschneidteil wird nach dem unvollendeten Komplettschnitt am Materialstreifen durch mindestens eine, insbesondere zwei oder mehrere, Verbindungspartie(n) gehalten. Diese Verbindungspartien sind dabei so anzuordnen, dass sie beim späteren Ausbrechen nicht in den Bereich der wichtigen Funktionsflächen des Feinschneidteils zu liegen kommen.According to the method of the invention, the fine blanking part is cut to about 80 to 90% of its circumference completely from the strip of material. There are only individual connection areas or points between the fine blank and the strip of material.
After the unfinished complete cut, the fineblanking part is held on the material strip by at least one, in particular two or more, connecting part (s). These connection parts are to be arranged so that they do not come to lie in the area of the important functional surfaces of the fineblanking part during later breaking.
Diese Verbindungspunkte zwischen Materialstreifen und Feinschneidteil entstehen durch die spezielle Formgebung an den Schneidkanten von Schneidstempel und/oder Schneidplatten in Verbindung mit der Kinematik der eingesetzten Feinschneidpresse, welche unabhängig von den Dickenschwankungen des Materialstreifens immer in dieselbe vertikale Position der beiden maßgebenden Schneidkanten fährt.These connection points between the material strip and the fineblanking part are produced by the special shaping at the cutting edges of cutting punches and / or cutting plates in conjunction with the kinematics of the fineblanking press used, which are independent of the Thick variations of the material strip always moves in the same vertical position of the two decisive cutting edges.
In eine Aufnahme der Schneidplatte ist mindestens ein Matrizeneinsatz austauschbar eingesetzt und ein dem Matrizeneinsatz gegenüberliegender Schneidstempel mit partiell ausgeformten Fasen entlang ihrer Schneidkanten zugeordnet.
Dies hat den außerordentlichen Vorteil, dass der Matrizeneinsatz durch ein stirnseitiges Nachschleifen mehrfach verwendbar ist, wobei der durch das Nachschleifen entstehende Höhen- bzw. Materialverlust des Matrizeneinsatzes durch eine oder mehrere in die Aufnahme eingesetzte Unterlagen leicht zu kompensieren ist, was wirtschaftliche Vorteile in der Ersatzbewirtschaftung mit sich bringt.In a recording of the cutting plate at least one die insert is used interchangeable and associated with a die insert opposite cutting punch with partially shaped chamfers along their cutting edges.
This has the extraordinary advantage that the Matrizeneinsatz is reusable by a front-side regrinding, the resulting by the regrinding height or material loss of Matrizeneinsatzes is easily compensated by one or more used in the recording records, which has economic benefits in the replacement management brings with it.
Der Matrizeneinsatz wird entlang seines Umfanges in der Aufnahme gleichmäßig vorgespannt gehalten und überragt die Grundplatte der Schneidplatte derart, dass der Matrizeneinsatz punktuell den Materialstreifen beim Schließen der Vorrichtung am Stempel, d.h. vorbestimmten Stellen, festklemmen kann, ohne dass die Grundplatte zum Eingriff gelangen kann. Mit anderen Worten es wird das bisher übliche großflächige Klemmen des Materialstreifens zwischen Ober- und Unterteil vermieden. Dies hat den weiteren Vorteil, dass das auf dem bereitgehaltene bereitgehaltene Feindschneidöl nicht nur das flächige Anpressen ungewollt verteilt wird und dann nicht mehr in ausreichendem Masse beim Schneiden zur Verfügung steht.The die insert is kept evenly biased along its circumference in the receptacle and projects beyond the base plate of the insert such that the die insert punctures the strip of material when closing the device on the punch, i. predetermined locations, can clamp without the base plate can engage. In other words, it is the hitherto conventional large-scale clamping of the material strip between the upper and lower part avoided. This has the further advantage that the ready-held enemy cutting oil not only distributes the areal pressure unintentionally and then is no longer available to a sufficient extent when cutting.
Die Konzentration der feinschneidspezifischen Klemmkräfte auf die Matrizeneinsätze hat weiterhin den Vorteil, dass die Erzeugung glattgeschnittener Trennflächen am Feinschneidteil unterstützt wird.The concentration of the fine cutting specific clamping forces on the die inserts continues to have the Advantage that the production of smooth cut surfaces on fineblanking part is supported.
Der Entformungsvorgang durch Ausbrechen der Verbindungspartien zwischen Feinschneidteil und Materialstreifen in der Entformungsstufe muss sicherstellen, dass keine vertikalen Scherkräfte auf die schmalen Verbindungspartien übertragen werden.The demoulding process by breaking the connecting parts between the fineblank part and the material strip in the demoulding stage must ensure that no vertical shear forces are transmitted to the narrow connecting parts.
Nach dem Entformen wird das vom Materialstreifen abgetrennte Feinschneidteil senkrecht nach unten zur Laufrichtung des Materialstreifens durch einen Fallschaft in der Schneidplatte abgeführt.After demolding, the fine cutting part separated from the strip of material is removed vertically downwards to the running direction of the material strip by a drop stem in the cutting plate.
Die erfindungsgemäße Vorrichtung ist einfach und kompakt aufgebaut und hat den großen Vorteil, dass der erforderliche Weg zum Öffnen und Schließen von Ober- und Unterteil erheblich verringert wird. Dies wird dadurch erreicht, dass in einem Aufnahmeraum der Schneidplatte ein unter gleichmäßiger Vorspannung kraftsschlüssig gehaltener Matrizeneinsatz angeordnet ist, dem der Schneidstempel zugeordnet ist, wobei die Schneidkanten des Matrizeneinsatzes und/oder des Schneidstempels mit einer speziellen Formgebung zum unvollständigen Ausschneiden des Feinschneidteils aus dem Materialstreifen versehen sind, derart, dass das Feinschneidteil und der Materialstreifen durch mindestens eine partielle Verbindungspartie stoffschlüssig nach dem Schneiden miteinander verbunden sind, und dass in der Schneidplatte ein Fallschacht zum Abführen der durch ein scherkraftfreies Entformen vom Materialstreifen abgetrennten Feinschneidteile senkrecht nach unten zur Laufrichtung des Materialstreifens vorgesehen ist.The device of the invention is simple and compact and has the great advantage that the required way to open and close the upper and lower part is significantly reduced. This is achieved in that in a receiving space of the cutting plate is arranged under uniform bias force-locking die insert is assigned, which is associated with the cutting punch, the cutting edges of Matrizeneinsatzes and / or the cutting punch provided with a special shape for incomplete cutting of Feinschneidteils from the strip of material are such that the fine cutting part and the material strip are materially interconnected by at least one partial connecting portion after cutting, and that in the cutting plate a chute for discharging the separated by a shear force removal from the strip of material fine cutting parts is provided vertically down to the direction of the strip of material ,
Die spezielle Formgebung der Schneidkanten von Matrizeneinsatz und/oder Schneidstempel besteht aus eine partiell ausgeformten Fase, die in Länge und/Breite und/oder Neigung variieren kann und die Schneidkante von Matrizeneinsatz und/oder Schneidstempel entsprechend unterbricht, so dass das Feinschneidteil aus dem Materialstreifen nicht vollständig ausgeschnitten wird und an partiellen Verbindungspartien am Materialstreifen etwa an dessen oberen oder unteren Ebene in einer Höhenlage gegenüber dem Materialstreifen stoffschlüssig angebunden bleibt.The special shaping of the cutting edges of die insert and / or punch consists of a partially shaped chamfer, which can vary in length and / width and / or inclination and interrupts the cutting edge of Matrizeneinsatz and / or cutting punch accordingly, so that the fine cutting part of the strip of material not is completely cut and remains firmly bonded to partial connecting parts on the material strip approximately at its upper or lower level in an altitude relative to the material strip.
Der für den Transport des Verbundes aus Materialstreifen und Feinschneidteil erforderliche Freiraum innerhalb des Innenraums der Vorrichtung wird dadurch erreicht, dass der Matrizeneinsatz gegenüber der Schneidplatte einen Höhenversatz aufweist, der so bemessen ist, dass der erforderliche Platz für die um die Materialstärke nach unten herausstehenden, jedoch noch am Materialstreifen angebundenen Feinschneidteile sichergestellt ist, so dass die Feinschneidteile weder in vertikaler Richtung zurückgedrückt oder anderweitig bewegt werden können.The space required for the transport of the composite of strips of material and fine blanking space within the interior of the device is achieved in that the die insert relative to the cutting plate has a height offset, which is dimensioned so that the required space for the material thickness downwardly protruding, however is still ensured on the strip of material fineblanking parts, so that the fineblanking parts can not be pushed back in the vertical direction or otherwise moved.
Die gegenüber der Schneidplatte hervorstehenden Matrizeneinsätze ermöglichen beim Klemmen des Materialstreifens auch eine Konzentration der feinschneidspezifischen Klemmkräfte um die Schneidgeometrie herum, was den Vorteil erbringt, dass die Qualität der Trennflächen am Feinschneidteil verbessert werden kann.The opposite to the cutting plate protruding die inserts allow the clamping of the material strip and a concentration of fine cutting specific clamping forces around the cutting geometry around, which provides the advantage that the quality of the parting surfaces on fineblanking can be improved.
Der Matrizeneinsatz ist austauschbar und nach einem Nachschleifen auch mehrfach verwendbar. Der durch das Nachschleifen entstehende Höhen- bzw. Materialverlust am Matrizeneinsatz lässt sich durch in den Aufnahmeraum unter den Matrizeneinsatz gelegte Unterlagen verschiedener Dicke sehr leicht ausgleichen, ermöglicht eine flexible und kostengünstige Ersatzteilhaltung mit einer hoher Materialausnutzung der Matrizeneinsätze.The die insert is interchangeable and can also be used several times after regrinding. The one by the Regrind resulting height or material loss on Matrizeneinsatz can be compensated by placed in the receiving space under the die insert documents of different thickness very easily, allows flexible and cost-effective spare parts inventory with a high material utilization of Matrizeneinsätze.
Als Vorteil ergibt sich des Weiteren, dass der einlaufseitig in Schmiertaschen bevorratete Schmierstoff für den Feinschneidvorgang beim Klemmen des Materialstreifens in den Taschen verbleibt, weil nur noch ein punktuelles Klemmen des Materialstreifens rund um die Schneidgeometrie erfolgt und das bisher übliche flächiges Klemmen des Materialstreifens zwischen Ober- und Unterteil der Vorrichtung entfällt.Another advantage is that the lubricant stored on the inlet side in lubricant pockets remains in the pockets when the material strip is clamped because only a punctiform clamping of the material strip occurs around the cutting geometry and the previously common planar clamping of the material strip between upper and lower and lower part of the device is eliminated.
Das erfindungsgemäße Verfahren und die erfindungsgemäße Vorrichtung zeichnen sich durch kleine Öffnung- und Schließwege aus, so dass hohe Taktzahlen und hohe Ausbringleistungen erreicht werden können, wodurch der Einsatz von Hochgeschwindigkeitspressen ermöglicht wird.The inventive method and the device according to the invention are characterized by small opening and closing paths, so that high cycle rates and high output performance can be achieved, whereby the use of high-speed presses is made possible.
Weitere Vorteile und Einzelheiten ergeben sich aus der nachfolgenden Beschreibung unter Bezugnahme auf die beigefügten Zeichnungen.Further advantages and details will become apparent from the following description with reference to the accompanying drawings.
Die Erfindung soll nachstehend an einem Ausführungsbeispiel näher erläutert werden.The invention will be explained in more detail below using an exemplary embodiment.
Es zeigen dieIt show the
Mit dem erfindungsgemäßen Verfahren sollen Feinschneidteile 1 aus einem Materialstreifen 2 hergestellt werden.With the method according to the invention, fine blanking parts 1 are to be produced from a strip of
Die
Der Matrizeneinsatz 7 ist in der
The Matrizeneinsatz 7 is in the
Gegenüber der Schneidplatte 5 weist der Matrizeneinsatz 7 einen Höhenversatz H auf, so dass der Matrizeneinsatz 7 deutlich über dem Niveau der Schneidplatte 5 liegt. Dieser Höhenversatz H ist so bemessen, dass er etwa der Materialstärke des Materialstreifens 2 entspricht. Das obere Werkzeugteil 3 und untere Werkzeugteil 4 der erfindungsgemäßen Vorrichtung sind soweit geöffnet, dass der eingeführte Materialstreifen mit dem angebundenen Feinschneidteil 1 ausreichend Platz in Laufrichtung R des Materialstreifens 2 besitzt.Compared to the
In der unteren Schneidplatte 5 ist dem Matrizeneinsatz 7 ein Fallschacht 9 zum Abführen der Feinschneidteile 1 etwa senkrecht nach unten zur Laufrichtung R des Materialstreifens 2 nachgeordnet.In the
Dem Matrizeneinsatz 7 ist ein Schneidstempel 11 im oberen Werkzeugteil 3 zum Ausschneiden des Feinschneidteils 1 aus dem Materialstreifen 2 und dem Fallschacht 9 ein Ausstosser 12 zugeordnet.
Zum oberen Werkzeugteil 3 gehört eine Press- oder Führungsplatte 10, in der mindestens ein Schneidstempel 11 und mindestens ein Ausstosser 12 geführt sind.The
The
Die
Der unvollständige Komplettschnitt wird durch eine entsprechende Präparation der Schneidkanten 15 von Matrizeneinsatz 7 und/oder Schneidstempel 11 in Verbindung mit der Kinematik der eingesetzten Feinschneidpresse, welche unabhängig von den Dickenschwankungen des Materialstreifens immer in die dieselbe vertikale Position der Schneidkanten von Matrizeneinsatz 7 und Schneidstempel 11 fährt, erreicht.
Die Schneidkante 15 des Matrizeneinsatzes 7 kann beispielsweise entlang ihres Kantenverlaufs durch eine oder mehrere Fasen 16 gebrochen sein. Es gehört natürlich zur erfindungsgemäßen Lösung, wenn die Breite und/oder Länge und/oder Neigung dieser Fasen variieren. Dies richtet sich nach der Größe, Geometrie und nach ihrer Verteilung auf dem Matrizeneinsatz 7 und/oder Schneidstempel 11 sowie nach der Dicke und Qualität des Materialstreifens und nach den zulässigen Formtoleranzen radial und axial an den Anbindungspunkten des Feinschneidteils 1, was durch die Maße h und i am Matrizeneinsatz 7 und die Maße l und k am Schneidstempel verdeutlicht ist. Das gilt auch für die Einschertiefe T des Schneidstempels 11 in den Matrizeneinsatz 7.The
The incomplete complete cut is achieved by a corresponding preparation of the cutting edges 15 of
The
In der
Der Materialstreifen 1 bildet nach dem Schneidvorgang mit dem angebundenen Feinschneidteil 1 einen Verbund, der ohne eine irgendeine Relativbewegung in vertikaler Richtung bei geöffneter erfindungsgemäßer Vorrichtung in Laufrichtung R bis zur Entformungsstufe transportiert werden kann, weil durch die gegenüber dem Matrizeneinsatz 7 tiefer gelegte Schneidplatte 5 ein ausreichender Platz der um etwa die Materialstärke des Materialstreifens 2 nach unten herausstehenden Feinschneidteile 1 vorhanden ist. Dies ist mit dem sehr großen Vorteil verbunden, dass der notwendige Öffnungsweg bei der erfindungsgemäßen Vorrichtung so klein gehalten werden kann, dass die Taktzahlen massiv erhöht werden können. Dies ermöglicht, den Einsatz von Hochgeschwindigkeitspressen.The strip of material 1 forms after the cutting operation with the tailed fine cutting part 1 a composite that can be transported without any relative movement in the vertical direction with the device according to the invention open in the direction R to Entformungsstufe, because by the relative to the
Bezugszeichenliste
- Feinschneidteil
- 1
- Materialstreifen
- 2
- Oberes Werkzeugteil
- 3
- Unteres Werkzeugteil
- 4
- Schneidplatte
- 5
- Aufnahmeraum in 5
- 6
- Matrizeneinsatz
- 7
- Unterlage
- 8
- Fallschacht
- 9
- Press- oder Führungsplatte
- 10
- Schneidstempel
- 11
- Ausstosser
- 12
- Verbindungspartie
- 14
- Schneidkante
- 15
- Fasen
- 16
- Höhenversatz
- H
- Einschertiefe
- T
Laufrichtung des Materialstreifens 2- R
- Maße der Fase 16 an 7
- h, i
- Maße der Fase 16 an 12
- 1, k
- Fine cutting part
- 1
- strips of material
- 2
- Upper tool part
- 3
- Lower tool part
- 4
- cutting board
- 5
- Recording room in 5
- 6
- die insert
- 7
- document
- 8th
- chute
- 9
- Press or guide plate
- 10
- cutting punch
- 11
- ejector
- 12
- connecting part
- 14
- cutting edge
- 15
- chamfers
- 16
- height offset
- H
- Einschertiefe
- T
- Running direction of the
material strip 2 - R
- Dimensions of
chamfer 16 to 7 - Hi
- Dimensions of
bevel 16 at 12 - 1, k
Claims (14)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20080012011 EP2140954B1 (en) | 2008-07-03 | 2008-07-03 | Method and device for manufacturing finely cut sections from a strip of material |
AT08012011T ATE524251T1 (en) | 2008-07-03 | 2008-07-03 | METHOD AND DEVICE FOR PRODUCING FINE BLANKED PARTS FROM A STRIP OF MATERIAL |
JP2011515166A JP5698125B2 (en) | 2008-07-03 | 2009-06-17 | Method and apparatus for producing precision stamped parts from strip material |
PCT/EP2009/004364 WO2010000389A1 (en) | 2008-07-03 | 2009-06-17 | Method and device for producing fine-blanked parts from a material strip |
EP20090772089 EP2303488B1 (en) | 2008-07-03 | 2009-06-17 | Method and device for producing fine-blanked parts from a material strip |
AT09772089T ATE544541T1 (en) | 2008-07-03 | 2009-06-17 | METHOD AND DEVICE FOR PRODUCING FINE BLANKED PARTS FROM A STRIP OF MATERIAL |
US12/977,733 US8910549B2 (en) | 2008-07-03 | 2010-12-23 | Method and device for producing precision blankings from a material strip |
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EP20080012011 EP2140954B1 (en) | 2008-07-03 | 2008-07-03 | Method and device for manufacturing finely cut sections from a strip of material |
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EP2140954A1 true EP2140954A1 (en) | 2010-01-06 |
EP2140954B1 EP2140954B1 (en) | 2011-09-14 |
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EP20080012011 Not-in-force EP2140954B1 (en) | 2008-07-03 | 2008-07-03 | Method and device for manufacturing finely cut sections from a strip of material |
EP20090772089 Active EP2303488B1 (en) | 2008-07-03 | 2009-06-17 | Method and device for producing fine-blanked parts from a material strip |
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EP20090772089 Active EP2303488B1 (en) | 2008-07-03 | 2009-06-17 | Method and device for producing fine-blanked parts from a material strip |
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US (1) | US8910549B2 (en) |
EP (2) | EP2140954B1 (en) |
JP (1) | JP5698125B2 (en) |
AT (2) | ATE524251T1 (en) |
WO (1) | WO2010000389A1 (en) |
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US20130186163A1 (en) * | 2011-12-22 | 2013-07-25 | Feintool Intellectual Property Ag | Method and apparatus to manufacture metallic bipolar plates |
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Also Published As
Publication number | Publication date |
---|---|
EP2140954B1 (en) | 2011-09-14 |
JP5698125B2 (en) | 2015-04-08 |
JP2011526212A (en) | 2011-10-06 |
US8910549B2 (en) | 2014-12-16 |
EP2303488B1 (en) | 2012-02-08 |
ATE544541T1 (en) | 2012-02-15 |
EP2303488A1 (en) | 2011-04-06 |
ATE524251T1 (en) | 2011-09-15 |
US20110132162A1 (en) | 2011-06-09 |
WO2010000389A1 (en) | 2010-01-07 |
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