EP2303488B1 - Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau - Google Patents

Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau Download PDF

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Publication number
EP2303488B1
EP2303488B1 EP20090772089 EP09772089A EP2303488B1 EP 2303488 B1 EP2303488 B1 EP 2303488B1 EP 20090772089 EP20090772089 EP 20090772089 EP 09772089 A EP09772089 A EP 09772089A EP 2303488 B1 EP2303488 B1 EP 2303488B1
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EP
European Patent Office
Prior art keywords
cutting
material strip
die
fine blanking
strip
Prior art date
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Application number
EP20090772089
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German (de)
English (en)
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EP2303488A1 (fr
Inventor
Willi Grimm
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Feintool Intellectual Property AG
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Feintool Intellectual Property AG
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Priority to EP20090772089 priority Critical patent/EP2303488B1/fr
Publication of EP2303488A1 publication Critical patent/EP2303488A1/fr
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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

Definitions

  • the invention relates to a method for producing fine blanking parts in a fine blanking tool, in which a strip of material between two tool parts from an upper press or guide plate and a lower cutting plate and an upper and lower cutting punch is clamped, the cutting in cooperation with the upper and lower Cutting punch as an incomplete section along the circumference of the fine cutting so that the fine cutting part at at least a partial connecting portion on the strip of material at its upper or lower level at an altitude relative to the strip of material initially bound cohesively and then together with the strip of material in the direction of the strip moved to a subsequent demolding stage with ejector and then the fine blanking part is removed from the tool interior in the direction of the strip of material.
  • the invention further relates to an apparatus for producing fine cutting parts from a strip of material with two tool parts of an upper press or guide plate and a lower cutting plate and an upper and lower cutting punch for clamping the strip of material and incomplete cutting of fine blank from the strip of material, wherein the fine blanking at least one partial connecting portion on the strip of material at its upper or lower level at an altitude relative to the strip of material initially remains firmly bonded, and a demolding stage with ejector.
  • From the DE 10 2004 032 826 A1 is a method for producing stamped parts in a tool, in particular fine blanking tool, by means of at least one stamp, with which the stamped part is pushed out of a strip of material known.
  • the punched part is pushed from the material strip of this after being pressed out to a discharge.
  • the punch cooperates with a counter-holder in an insert when pressing out the stamped part, wherein the counter-holder the stamped part is lifted when opening the tool to the surface of the insert and the strip of material from the insert.
  • the strip of material is lifted by the cutting plate at a defined distance which corresponds at least to the thickness of the stamped parts.
  • a precision punching method in which two punching cut tools are used, of which one punch is stepped in the profile, wherein the gradation opposite to the second punch can take a positive and / or negative distance, such that sharp-edged, convex contours with materials low extensibility are generated and a crushing gaps is prevented.
  • the present invention seeks to improve a method and an 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 simple structure the device is a use on high-speed presses possible, the fineblanking parts suffer no damage to the functional surfaces.
  • the solution according to the invention is characterized in that for cutting used in a recording of the insert insert with partially shaped bevels along the cutting edge and a Matrizen ancestral associated cutting punch used and connected via at least one connection point with the strip of material fine blank and the material strip by a shearing force Breaking out with the ejector perpendicular to the running direction of the material stiffener be removed from the mold without pressing back down, wherein the demoulded fine cutting part is discharged through a chute in the cutting plate.
  • the fine blanking part is cut to about 80 to 90% of its circumference completely from the strip of material.
  • the fine blanking part is held after the unfinished complete cut on the material strip in particular by two or more connecting parts. These connection parts are arranged so that they do not come to lie in the area of the important functional surfaces of the fine blanking part during later breaking.
  • connection points between the material strip and the fineblanking part are created by the special shape of the cutting edges of the inserts in conjunction with the kinematics of the fine blanking press used, which always moves independently of the thickness variations of the material strip in the same vertical position of the two decisive cutting edges.
  • a die insert is used interchangeably, which is provided with partially shaped chamfers along their cutting edges and associated with the cutting punch.
  • the die insert is held evenly biased along its circumference in the receptacle and projects beyond the base plate of the insert such that the die insert can selectively clamp the strip of material when closing the device on the punch, ie predetermined locations, without the base plate being able to engage. In other words, it is the usual surface clamps of the material strip between the upper and lower part avoided. This has the further advantage that the Feindschneidöl kept ready in the lubrication pockets not only the surface pressing is distributed unintentionally and then is no longer sufficient to cut available.
  • the concentration of fine-cutting-specific clamping forces on the die inserts also has the advantage that the production of smooth-cut separating surfaces on the fine-cutting part is supported.
  • a spring force applied to the fineblank part by an ejector ensures that the fineblank part and the material strip are kept free of tears when the tool is opened.
  • 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.
  • the inventive device is simple and compact and has the great advantage that the required way to open and close the upper and lower parts are significantly reduced. This is achieved in that in a receiving space of the cutting insert a force-locking under uniform bias Matrizenrise is arranged, which is associated with the cutting punch, wherein the cutting edges of the die insert with a partially shaped chamfer for at least by a connecting pigtail on the material strip tailed cutting the fine cutting part the material strips are provided, and that the die insert relative to the cutting plate has a height offset for partial clamping of the strip of material on a press and guide plate and that in the demolding stage of the ejector for breaking the at least one partial connection point of the strip of material without transfer of a vertical shear force component to the connection point, and that in the cutting plate, a chute for discharging the separated fine cutting part is provided down to the direction of the strip of material.
  • the special shaping of the cutting edges of the die insert consists of a partially shaped chamfer, which can vary in length and / width and / or inclination and interrupts the cutting edge of the die insert accordingly, so that the fine cutting part of the strip of material is not completely cut out and at partial connection points on Material strip remains connected at its upper or lower level at an altitude relative to the material strip cohesively.
  • 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 inserts also allow a concentration of the fine cutting-specific clamping forces around the cutting geometry, which has the advantage that the quality of the parting surfaces on the fine cutting part can be improved.
  • the die insert is interchangeable and can also be used several times after regrinding.
  • the height or material loss on the die insert resulting from regrinding can be very easily compensated for by documents of different thickness placed in the receiving space below the die insert, enabling flexible and cost-effective spare parts stocking with a high material utilization of the die inserts.
  • 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.
  • the cutting punch is associated with a arranged in the press ram, tensioned by a spring assembly ejector, which when opening the tool, i. Running back of the press ram, by relaxing the spring pack prevents the at least one connecting section of the strip of material.
  • the inventive method and the inventive device are characterized by small opening and closing paths, so that high cycle rates and high Ausbringrise can be achieved, whereby the use of high-speed presses is made possible.
  • Fig. 2 a sectional view of the design of the connecting portion between fine blank and material strips on the one hand and the design of die insert and cutting punch on the other hand and
  • Fig. 3 a sectional view of the device according to the invention for preventing the demolition of the connecting portion of the strip of material.
  • the Fig. 1a shows the inventive device with inserted strips of material 2 in the open state of the upper tool part 3 and lower tool part 4.
  • the lower tool part 4 includes a cutting plate 5, which has a receiving space 6 for receiving a Matrizendones 7, wherein the cutting plate 5 fed on a base plate rests.
  • the Matrizendon 7 is in the Fig. 1a shown as a tubular insert, but may also have other more complicated shapes.
  • At its periphery of the die insert 7 is held for example by a screw, not shown in the cutting plate 5 under uniform bias, so that the forces occurring during cutting can be safely absorbed by die insert 7.
  • the Matrizendonrus 7 is thus removed from the receiving space 6 of the cutting plate 5 and can be reground accordingly if necessary.
  • the loss of height of the die insert 7 is compensated as a result of regrinding. It documents 8 are kept at different thicknesses, so that depending on the size of the regrinding different height losses can be compensated and the die insert 7 reaches the original height again.
  • the die insert 7 has a height offset H, so that the Die insert 7 is well above the level of the cutting plate 5.
  • This height offset H is dimensioned such that it corresponds approximately to the material thickness of the material strip 2.
  • the upper tool part 3 and lower tool part 4 of the device according to the invention are opened so far that the imported material strip with the tailed fine cutting part 1 has sufficient space in the direction R of the material strip 2.
  • a chute 9 for discharging the fine cutting parts 1 is arranged approximately vertically downwards to the direction R of the material strip 2.
  • the die insert 7 is a punch 11 in the upper tool part 3 for cutting the fine blanking part 1 from the strip of material 2 and the chute 9 associated with an ejector 12.
  • the upper tool part 3 includes a press or guide plate 10 in which at least one cutting punch 11 and at least one ejector 12 are guided.
  • Fig. 1b shows the closed upper tool part 3 and lower tool part 4 with clamped between die insert 7 and the guide plate 10 strips of material 2.
  • the clamping takes place around the cutting geometry, so that the fine cutting specific clamping forces are concentrated on a narrow range. This supports the production of smooth-cut separating surfaces on the fine blanking part 1.
  • Fig. 1c shows the step of the method according to the invention, in which the cutting punch 5 has performed an incomplete complete cut in the strip of material 2 and the fine part cutting part 1 is cut to about 80 to 90% of its circumference.
  • Fig. 2 Reference is made, in which the fine blanking part 1 remains connected to, for example, a narrow connecting portion 14 with the material strip 2 cohesively after the cut.
  • the incomplete complete cut is achieved by a corresponding preparation of the cutting edges 15 of the die insert 7 in conjunction with the kinematics of the fineblanking press used, which always moves into the same vertical position of the cutting edges of die insert 7 and cutting punch 11, regardless of the thickness variations of the strip of material.
  • the cutting edge 15 of the die insert 7 can be broken, for example, along its edge profile by one or more chamfers 16.
  • the width and / or length and / or inclination of these bevels vary. This depends on the size, geometry and their distribution on the die insert 7 and / or cutting punch 11 and on the thickness and quality of the material strip and on the allowable shape tolerances radially and axially at the attachment points of the fine blank 1, which by the dimensions h and i on the die insert 7 and the dimensions 1 and k on the cutting punch is illustrated. This also applies to the Einschertiefe T of the cutting punch 11 in the die insert. 7
  • the ejector 12 of the demolding stage has separated the connecting parts 14 between the fineblank 1 and strips of material 2 shearing force and fineblanking part 1 is discharged through the chute 9 perpendicular to the direction R of the strip of material 2 down.
  • the connecting parts 14 are broken by the ejector 12 largely free of damage.
  • the connecting parts 14 are distributed on the circumference of the fine blanking part 1 that they are not located on the functional surfaces of the fine blanking part.
  • 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 the demolding stage, because by the relative to the die insert 7 deeper placed cutting plate 5 sufficient Place of about the thickness of the material strip 2 down protruding fine cutting parts 1 is present.
  • This is associated with the very great advantage that the necessary opening travel in the device according to the invention can be kept so small that the cycle numbers can be massively increased. This allows the use of high speed presses.
  • the Fig. 3 shows a section of the device according to the invention for preventing the demolition of the connecting portions 14 from the material strip 2 and the pressing back of the fine blanking part 1 in the material strip 2 when opening the tool, which is particularly advantageous for components with small Auswerfer practicen.
  • the punch 11 is associated with an ejector 20 which is acted upon by pressure pins 21 with the counter-holding force FHG.
  • a Einlegerring 18 is added, in which a spring assembly 19 is arranged that acts in the direction of the hydraulic counter-holding force FGH and thus supports them.
  • the spring pack 19 can relax, so that connecting section 14 between fine blank 1 and strips of material 2 intact, ie without demolition of the cutting plate, can be ejected.
  • the cutting punch 11 and the guide plate 10 remain unchanged during this phase in its vertical position, whereby a pushing back of the fine cutting part 1 is prevented in the material strip 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Claims (12)

  1. Procédé pour la fabrication de pièces découpées de précision dans un outil de découpage de précision, dans lequel une bande de matériau (2) est coincée entre deux parties d'outil (3, 4) constituées d'une plaque supérieure de compression ou de guidage (10) et d'une plaque inférieure de découpage (5) ainsi qu'entre un poinçon de découpage supérieur et un poinçon de découpage inférieur (11), le découpage s'effectuant en interaction avec le poinçon de découpe supérieur et le poinçon de découpe inférieur sous forme d'une coupe incomplète le long du pourtour de la pièce découpée de précision, de sorte que la pièce découpée de précision (1) reste rattachée, d'abord par adhésion de matière, à au moins une partie de liaison (14) partielle à la bande de matériau (2) à peu près sur son plan supérieur ou son plan inférieur dans une position de hauteur par rapport à la bande de matériau et déplacée ensuite en même temps que la bande de matériau dans le sens de marche (R) de la bande jusqu'à un niveau de démoulage consécutif avec un expulseur (12) et la pièce découpée de précision (1) est évacuée ensuite de l'espace intérieur d'outil dans le sens de marche (R) de la bande de matériau (2), caractérisé en ce que, pour la découpe, on utilise un insert de matrice (7) avec des chanfreins (16) formés partiellement le long de l'arête de coupe pouvant être inséré dans un logement (6) de la plaque de découpage (5), et le poinçon de découpage (11) attribué à l'insert de matrice (7) et on démoule la pièce découpée de précision (1) reliée par au moins un point de liaison (14) à la bande de matériau (2) par un arrachement sans force de cisaillement avec l'expulseur (12) perpendiculairement au sens de marche (R) de la bande de matériau (2) sans une compression en arrière vers le bas, la pièce découpée de précision (1) démoulée étant évacuée par un puits de chute (9) dans la plaque de découpage (5).
  2. Procédé selon la revendication 1, caractérisé en ce que la pièce découpée de précision (1) est découpée pour environ 80 à 90 % de son pourtour complètement dans la bande de matériau (2).
  3. Procédé selon les revendications 1 et 2, caractérisé en ce que la pièce découpée de précision (1) est maintenue après la coupe complète non achevée sur la bande de matériau par au moins une, en particulier deux ou plusieurs, partie(s) de liaison (14).
  4. Procédé selon la revendication 1, caractérisé en ce que l'insert de matrice (7) peut être utilisé plusieurs fois par une rectification par meulage côté avant, la perte en hauteur ou la perte de matériau, résultant de la rectification par meulage, de l'insert de matrice (7) étant compensée par un ou plusieurs supports (8) insérés dans le logement (6) de la plaque de découpage (5).
  5. Procédé selon la revendication 1, caractérisé en ce que l'insert de matrice (7) est précontraint de façon uniforme le long de son pourtour par le moule adapté à la géométrie de la partie découpée de précision (1).
  6. Procédé selon les revendications 1 à 5, caractérisé en ce que le serrage de la bande de matériau (2) entre la partie d'outil supérieure et la partie d'outil inférieure (3, 4) ne s'effectue que par l'insert de matrice (7).
  7. Procédé selon la revendication 1, caractérisé en ce que la pièce découpée de précision (1) et la bande de matériau (2) sont maintenues sans arrachement lors de l'ouverture de l'outil par une force de ressort appliquée par un éjecteur (20).
  8. Dispositif pour fabriquer des pièces découpées de précision à partir d'une bande de matériau selon la revendication 1, doté de deux parties d'outil (3, 4) constituées chacune d'une plaque supérieure de compression ou de guidage (10) et d'une plaque de découpage inférieure (5) ainsi que d'un poinçon de découpage supérieur et d'un poinçon de découpage inférieur (11) pour le serrage de la bande de matériau (2) et pour le découpage incomplet de la pièce découpée de précision (1) dans la bande de matériau (2), la pièce découpée de précision (1) restant attachée d'abord par adhésion de matière sur au moins une partie de liaison (14) partielle sur la bande de matériau (2) à peu près sur son niveau supérieur ou son niveau inférieur dans une position de hauteur par rapport à la bande de matériau, et un niveau de démoulage avec l'expulseur (12), caractérisé en ce qu'un insert de matrice (7), maintenu par adhérence de force sous pré-tension uniforme, est disposé dans un espace de logement (6) de la plaque de découpage (5), insert auquel est attribué le poinçon de découpage (11), les arêtes de découpage (15) de l'insert de matrice (7) étant équipées par un chanfrein (16) partiellement formé pour un découpage, rattaché au moins par un point de liaison (14) à la bande de matériau (2), de la pièce découpée de précision (1) à partir de la bande de matériau (2), et ce que l'insert de matrice (7) présente par rapport à la plaque de découpage (5) un décalage en hauteur (H) pour le serrage partiel de la bande de matériau (2) sur la plaque de compression et de guidage (10) et en ce que, dans le niveau de démoulage, l'expulseur (12) est prévu pour l'arrachement du au moins un point de liaison (14) partiel de la bande de matériau (2) sans transmission d'une composante verticale de force de cisaillement au point de liaison (14), et en ce que, dans l'arête de découpage (5), un puits de chute (9) est prévu pour l'évacuation de la pièce découpée de précision (1) enlevée vers le bas par rapport au sens de marche (R) de la bande de matériau (2).
  9. Dispositif selon la revendication 8, caractérisé en ce que les chanfreins (16) présentent une longueur et/ou largeur et/ou inclinaison différente.
  10. Dispositif selon la revendication 8, caractérisé en ce que l'insert de matrice (7) est amovible.
  11. Dispositif selon la revendication 8, caractérisé en ce qu'un ou plusieurs supports (8) disposés dans l'espace de logement (6) au-dessous de l'insert de matrice (7), d'épaisseur différente, sont prévus pour compenser la perte en matériau et en hauteur se formant lors de la rectification par meulage de l'insert de matrice.
  12. Dispositif selon la revendication 8, caractérisé en ce qu'un éjecteur (20), disposé dans le coulisseau de presse (17) et tendu par un bloc-ressort (19), est prévu pour le poinçon de découpage (11), lequel éjecteur empêche, lors de l'ouverture de l'outil, c'est-à-dire lors du recul du coulisseau de presse (17), par détente du bloc-ressort (19), un arrachement du au moins un point de liaison (14) de la bande de matériau (2).
EP20090772089 2008-07-03 2009-06-17 Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau Active EP2303488B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20090772089 EP2303488B1 (fr) 2008-07-03 2009-06-17 Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20080012011 EP2140954B1 (fr) 2008-07-03 2008-07-03 Procédé et dispositif de fabrication de parties coupantes fines d'une bande de matériau
EP20090772089 EP2303488B1 (fr) 2008-07-03 2009-06-17 Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau
PCT/EP2009/004364 WO2010000389A1 (fr) 2008-07-03 2009-06-17 Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau

Publications (2)

Publication Number Publication Date
EP2303488A1 EP2303488A1 (fr) 2011-04-06
EP2303488B1 true EP2303488B1 (fr) 2012-02-08

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP20080012011 Not-in-force EP2140954B1 (fr) 2008-07-03 2008-07-03 Procédé et dispositif de fabrication de parties coupantes fines d'une bande de matériau
EP20090772089 Active EP2303488B1 (fr) 2008-07-03 2009-06-17 Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20080012011 Not-in-force EP2140954B1 (fr) 2008-07-03 2008-07-03 Procédé et dispositif de fabrication de parties coupantes fines d'une bande de matériau

Country Status (5)

Country Link
US (1) US8910549B2 (fr)
EP (2) EP2140954B1 (fr)
JP (1) JP5698125B2 (fr)
AT (2) ATE524251T1 (fr)
WO (1) WO2010000389A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020107890A1 (de) 2020-03-23 2021-09-23 William Prym Gmbh & Co. Kg Verfahren zur Herstellung eines Bauteils mit glatten Schnittflächen, insbesondere in einem Folgeverbundwerkzeug

Families Citing this family (20)

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WO2010000389A1 (fr) 2010-01-07
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ATE524251T1 (de) 2011-09-15
US8910549B2 (en) 2014-12-16
US20110132162A1 (en) 2011-06-09
EP2140954A1 (fr) 2010-01-06
EP2140954B1 (fr) 2011-09-14
JP5698125B2 (ja) 2015-04-08
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