FR2987290A1 - Crimping blade for use in crimping device to crimp edges of sheet parts for manufacturing e.g. car door, has crimping gimlets for folding up edge of one part on other edge, where two of gimlets are placed symmetrical with respect to plane - Google Patents

Crimping blade for use in crimping device to crimp edges of sheet parts for manufacturing e.g. car door, has crimping gimlets for folding up edge of one part on other edge, where two of gimlets are placed symmetrical with respect to plane Download PDF

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Publication number
FR2987290A1
FR2987290A1 FR1251781A FR1251781A FR2987290A1 FR 2987290 A1 FR2987290 A1 FR 2987290A1 FR 1251781 A FR1251781 A FR 1251781A FR 1251781 A FR1251781 A FR 1251781A FR 2987290 A1 FR2987290 A1 FR 2987290A1
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France
Prior art keywords
crimping
blade
edge
gimlets
edges
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Granted
Application number
FR1251781A
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French (fr)
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FR2987290B1 (en
Inventor
Jean Marie Coquet
Francois Bosserdet
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Stellantis Auto Sas Fr
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Peugeot Citroen Automobiles SA
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Priority to FR1251781A priority Critical patent/FR2987290B1/en
Publication of FR2987290A1 publication Critical patent/FR2987290A1/en
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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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • B21D39/021—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

The blade (11) has four crimping gimlets (11a-11d) that are utilized for folding up an edge (2a) of a sheet part on another edge (3a) of another sheet part (3), where two of the crimping gimlets are placed symmetrical with respect to a plane that is arranged perpendicular to a direction of displacement of the blade. Two of the crimping gimlets are arranged in an identical manner. Two large opposite faces and four side faces of the blades are connected to each other by the crimping gimlets. A set of clamp holes (12) is utilized for modifying position of the blade. An independent claim is also included for a crimping device.

Description

LAME DE SERTISSAGE DESTINEE A SERTIR LES BORDS DE DEUX PIECES EN TOLE ET DISPOSITIF DE SERTISSAGE COMPORTANT UNE TELLE LAME La présente invention concerne une lame de sertissage destinée à sertir les bords de deux pièces en tôle. L'invention concerne également un dispositif de sertissage destiné à être porté et déplacé par un robot, comprenant un support auquel est fixée une lame de sertissage selon l'invention. The present invention relates to a crimping blade for crimping the edges of two sheet metal parts. BACKGROUND OF THE INVENTION The invention also relates to a crimping device intended to be carried and moved by a robot, comprising a support to which is fixed a crimping blade according to the invention.

Les deux pièces en tôle à sertir peuvent être en acier ou en aluminium et destinées à la fabrication d'ouvrants tels que portes, capots ou volets de véhicules automobiles. Lors du sertissage, les deux pièces en tôle sont en appui sur une matrice et la lame de sertissage est déplacée par un robot, le long des bords des deux 15 pièces. La lame de sertissage comprend, de façon connue, une vrille de sertissage qui a pour effet de replier le bord de l'une des pièces sur le bord de l'autre pièce. Les lames de sertissage connues présentent l'inconvénient qu'elles doivent être démontées et remplacées par une autre lame à chaque changement de sens 20 de déplacement et à chaque modification de la géométrie des pièces à sertir (galbe, courbure, hauteur du bord à replier, etc...). En effet, la forme et les dimensions de la vrille de sertissage doivent être adaptées à la géométrie des pièces à sertir. Ces changements fréquents de lame de sertissage entraînent des coûts 25 élevés. Le but de la présente invention est de remédier à ces inconvénients. Ce but est atteint, selon l'invention, grâce à une lame de sertissage destinée à sertir les bords de deux pièces en tôle comprenant une vrille de sertissage permettant lors du déplacement de la lame de replier le bord de l'une des deux 30 pièces sur le bord de l'autre pièce, caractérisée en ce qu'elle comprend au moins deux vrilles de sertissage. Etant donné que la lame de sertissage selon l'invention comporte au moins deux vrilles de sertissage, elle peut être utilisée, sans avoir à la remplacer : - soit, en cas de changement du sens de déplacement, - soit, en cas de modification de la géométrie des pièces à sertir. Une telle lame de sertissage permet ainsi de diminuer les coûts évoqués plus haut. Dans un premier mode de réalisation de l'invention, la lame de sertissage 5 comprend deux vrilles disposées symétriquement par rapport à un plan perpendiculaire à la direction de déplacement de la lame. Dans ce cas, la lame de sertissage ne nécessite pas d'être remplacée, en cas de changement du sens de déplacement de la lame le long des bords des pièces à sertir. 10 A cet effet, il suffit de modifier la position de fixation de la lame à son support, pour mettre en position de travail une autre vrille de sertissage. Dans ce cas, les deux vrilles de sertissage peuvent être identiques ou différentes. Lorsqu'elles sont différentes, elles peuvent être utilisées pour réaliser deux 15 opérations de sertissage de géométries différentes. Dans un mode de réalisation particulièrement avantageux de l'invention, la lame de sertissage comprend quatre vrilles de sertissage, de sorte qu'elle peut être utilisée pour réaliser des sertissages impliquant quatre géométries différentes. Dans ce cas, la lame de sertissage peut comprendre deux grandes faces 20 opposées et quatre faces latérales reliées l'une à l'autre comportant chacune une vrille de sertissage. Pour faciliter son remplacement ou la modification de sa position de travail, la lame de sertissage comprend des moyens pour la fixer de façon amovible à son support. 25 De préférence, lesdits moyens de fixation permettent de modifier la position de la lame de sertissage de façon à pouvoir mettre en position de travail chacune des vrilles de sertissage. Selon un autre aspect, l'invention concerne également un dispositif de sertissage destiné à être porté et déplacé par un robot, comprenant un support 30 auquel est fixée de façon amovible une lame de sertissage selon l'invention. De préférence, le support porte un organe presseur qui, lors du déplacement de la lame de sertissage le long des bords respectifs des deux pièces à sertir, est apte à exercer sur l'un desdits bords, une force prédéterminée. The two sheet metal crimp parts may be steel or aluminum and intended for the manufacture of openings such as doors, hoods or shutters of motor vehicles. During crimping, the two sheet metal parts rest on a die and the crimping blade is moved by a robot along the edges of the two pieces. The crimping blade comprises, in known manner, a crimping tendril which has the effect of folding the edge of one of the pieces on the edge of the other piece. Known crimping blades have the disadvantage that they must be disassembled and replaced by another blade at each change of direction of movement and at each modification of the geometry of the parts to be crimped (curve, curvature, height of the edge to be folded , etc ...). Indeed, the shape and the dimensions of the crimping swirler must be adapted to the geometry of the parts to be crimped. These frequent changes in the crimping blade result in high costs. The object of the present invention is to overcome these disadvantages. This object is achieved, according to the invention, by means of a crimping blade intended to crimp the edges of two sheet metal parts comprising a crimping swivel allowing, during the displacement of the blade, to fold the edge of one of the two pieces. on the edge of the other piece, characterized in that it comprises at least two crimping tendrils. Since the crimping blade according to the invention comprises at least two crimping tendrils, it can be used, without having to replace it: - either, in the case of a change in the direction of movement, - or, in case of modification of the geometry of the parts to be crimped. Such crimping blade thus reduces the costs mentioned above. In a first embodiment of the invention, the crimping blade 5 comprises two tendrils arranged symmetrically with respect to a plane perpendicular to the direction of movement of the blade. In this case, the crimping blade does not need to be replaced, in case of changing the direction of movement of the blade along the edges of the parts to be crimped. For this purpose, it suffices to modify the fixing position of the blade to its support, to put in the working position another crimping tendril. In this case, the two crimping tendrils may be identical or different. When different, they can be used to perform two crimping operations of different geometries. In a particularly advantageous embodiment of the invention, the crimping blade comprises four crimping tendrils, so that it can be used to make crimps involving four different geometries. In this case, the crimping blade may comprise two large opposite faces 20 and four lateral faces connected to each other each having a crimping crimp. To facilitate its replacement or the modification of its working position, the crimping blade comprises means for fixing it removably to its support. Preferably, said fixing means make it possible to modify the position of the crimping blade so that each of the crimping tendrils can be placed in the working position. According to another aspect, the invention also relates to a crimping device intended to be carried and moved by a robot, comprising a support 30 to which is fixed removably a crimping blade according to the invention. Preferably, the support carries a pressing member which, during the displacement of the crimping blade along the respective edges of the two parts to be crimped, is able to exert on one of said edges, a predetermined force.

D'autres particularités et avantages de l'invention apparaîtront encore tout au long de la description ci-après. Aux dessins annexés, donnés à titre d'exemples, non limitatifs : - la figure 1 est une vue en perspective, montrant une lame de sertissage en position de travail sur les bords respectifs de deux pièces en tôle, - la figure 2 est une vue en plan schématique, montrant le dessus d'une lame de sertissage selon l'invention en position de travail, - les figures 3 à 6 sont des vues en perspective, montrant quatre positions de travail différentes d'une lame de sertissage selon l'invention, - la figure 7 est une vue en perspective, montrant une lame de sertissage selon l'invention associée à une lame exerçant une force d'appui sur le bord de l'une des deux pièces. La figure 1 représente une lame de sertissage 1 destinée à sertir les bords 2a, 3a de deux pièces en tôle 2, 3 comprenant une vrille de sertissage 4 permettant, lors du déplacement de la lame 1 dans le sens F, de replier le bord 2a de l'une 2 des deux pièces sur le bord 3a de l'autre pièce 3. Les lames de sertissage 10 et 11, représentées respectivement sur la figure 2 et les figures 3 à 6, comprennent plusieurs vrilles de sertissage 10a, 10b ; 11a, 11b, 11c, 11d. Other features and advantages of the invention will become apparent throughout the description below. In the accompanying drawings, given by way of nonlimiting example: FIG. 1 is a perspective view, showing a crimping blade in working position on the respective edges of two sheet metal parts, FIG. schematically, showing the top of a crimping blade according to the invention in working position, - Figures 3 to 6 are perspective views, showing four different working positions of a crimping blade according to the invention - Figure 7 is a perspective view, showing a crimping blade according to the invention associated with a blade exerting a bearing force on the edge of one of the two parts. FIG. 1 shows a crimping blade 1 intended to crimp the edges 2a, 3a of two sheet metal parts 2, 3 comprising a crimping crank 4 allowing, during the displacement of the blade 1 in the direction F, to fold the edge 2a. one of the two pieces on the edge 3a of the other piece 3. The crimping blades 10 and 11, shown respectively in Figure 2 and Figures 3 to 6, comprise several crimping cranks 10a, 10b; 11a, 11b, 11c, 11d.

Dans l'exemple de la figure 2, la lame de sertissage 10 comprend deux vrilles de sertissage 10a, 10b disposées symétriquement par rapport à un plan P perpendiculaire à la direction F1 de déplacement de la lame 10. Cette disposition symétrique des vrilles 10a, 10b permet de sertir selon deux directions opposées F1 et F2 de déplacement de la lame 10. In the example of FIG. 2, the crimping blade 10 comprises two crimping tendrils 10a, 10b arranged symmetrically with respect to a plane P perpendicular to the direction F1 of displacement of the blade 10. This symmetrical arrangement of the tendrils 10a, 10b allows crimping in two opposite directions F1 and F2 displacement of the blade 10.

Dans cet exemple, les deux vrilles de sertissage 10a, 10b sont identiques. Dans l'exemple montré sur les figures 3 à 6, la lame de sertissage 11 comprend quatre vrilles de sertissage 11a, 11b, 11c, 11d. Cette lame de sertissage 11 comprend deux grandes faces opposées et quatre faces latérales reliées l'une à l'autre comportant chacune une vrille de sertissage 11 a, 11 b, 11c, 11 d. Par ailleurs, la lame de sertissage 11 comprend des moyens, à savoir des trous 12, pour la fixer de façon amovible à un support (non représenté). In this example, the two crimping cranks 10a, 10b are identical. In the example shown in Figures 3 to 6, the crimping blade 11 comprises four crimping cranks 11a, 11b, 11c, 11d. This crimping blade 11 comprises two large opposite faces and four lateral faces connected to each other each having a crimping crimp 11a, 11b, 11c, 11d. Furthermore, the crimping blade 11 comprises means, namely holes 12, for fixing it removably to a support (not shown).

Ces trous de fixation 12 permettent de modifier la position de la lame de sertissage 11 de façon à pouvoir mettre en position de travail chacune des vrilles de sertissage 11a, 11b, 11c, 11d, en fonction des besoins. On peut ainsi, sans changer la lame de sertissage, réaliser quatre sertissages différents, simplement en modifiant la position de la lame 11 sur son support pour mettre en position de travail la vrille 11a, 11b, 11c, 11 d souhaitée. Les lames de sertissage sont particulièrement utilisables dans le cas d'un dispositif de sertissage, dans lequel (voir figure 7) le support 13 auquel est fixée la lame de sertissage 10 ou 11 porte un organe presseur 14 constitué par une lame élastique qui, lors du déplacement de la lame de sertissage le long des bords 2a, 3a respectifs des deux pièces 2, 3, est apte à exercer sur l'un 3a des bords des pièces, une force prédéterminée. Cette force prédéterminée est appliquée devant la vrille 11a de la lame et permet ainsi de plaquer la pièce 3 sur la pièce 2 et sur la matrice (non représentée) située sous ces pièces 2 et 3. On peut ainsi obtenir un sertissage d'excellente qualité, sans avoir à utiliser un presseur lourd, encombrant et coûteux. Un dispositif de sertissage, tel que représenté sur la figure 7, a été décrit dans la demande de brevet intitulée « lame de sertissage destinée à être maintenue et déplacée par un robot, pour sertir les bords de deux pièces en tôle » déposée par la Demanderesse le même jour que la présente demande. These fixing holes 12 make it possible to modify the position of the crimping blade 11 so as to be able to put in the working position each of the crimping tendrils 11a, 11b, 11c, 11d, as required. It is thus possible, without changing the crimping blade, to perform four different crimps, simply by changing the position of the blade 11 on its support to put in the working position the tendrill 11a, 11b, 11c, 11d desired. The crimping blades are particularly usable in the case of a crimping device, in which (see FIG. 7) the support 13 to which the crimping blade 10 or 11 is fixed carries a pressing member 14 constituted by an elastic blade which, when the displacement of the crimping blade along the respective edges 2a, 3a of the two parts 2, 3, is able to exert on a one of the edges 3a of the parts, a predetermined force. This predetermined force is applied in front of the auger 11a of the blade and thus makes it possible to press the workpiece 3 on the workpiece 2 and on the die (not shown) located under these workpieces 2 and 3. It is thus possible to obtain a crimping of excellent quality. , without having to use a heavy, bulky and expensive presser. A crimping device, as shown in Figure 7, was described in the patent application entitled "crimping blade to be held and moved by a robot to crimp the edges of two sheet metal parts" filed by the Applicant the same day as the present application.

Claims (10)

REVENDICATIONS1. Lame de sertissage (10, 11) destinée à sertir les bords (2a, 3a) de deux pièces en tôle (2, 3) comprenant une vrille de sertissage (10a, 10b ; 11a, 11b, 11c, 11d) permettant lors du déplacement de la lame (10, 11) de replier le bord (2a) de l'une (2) des deux pièces sur le bord (3a) de l'autre pièce, caractérisée en ce qu'elle comprend au moins deux vrilles de sertissage (10a, 10b ; 11 a, 11 b, 11c, 11d). REVENDICATIONS1. Crimping blade (10, 11) for crimping the edges (2a, 3a) of two sheet metal parts (2, 3) comprising a crimping pin (10a, 10b; 11a, 11b, 11c, 11d) for moving of the blade (10, 11) to fold the edge (2a) of one (2) of the two pieces on the edge (3a) of the other piece, characterized in that it comprises at least two crimping tendrils (10a, 10b, 11a, 11b, 11c, 11d). 2. Lame de sertissage (10) selon la revendication 1, caractérisée en ce qu'elle comprend deux vrilles de sertissage (10a, 11b) disposées symétriquement par rapport à un plan (P) perpendiculaire à la direction de déplacement (F1) de la lame (10). 2. crimping blade (10) according to claim 1, characterized in that it comprises two crimping tendrils (10a, 11b) arranged symmetrically with respect to a plane (P) perpendicular to the direction of movement (F1) of the blade (10). 3. Lame de sertissage selon la revendication 2, caractérisée en ce que les deux vrilles de sertissage (10a, 10b) sont identiques. 3. crimping blade according to claim 2, characterized in that the two crimping cranks (10a, 10b) are identical. 4. Lame de sertissage selon la revendication 1, caractérisée en ce qu'elle comprend au moins deux vrilles de sertissage différents. 4. crimping blade according to claim 1, characterized in that it comprises at least two different crimping tendrils. 5. Lame de sertissage selon la revendication 1, caractérisée en ce qu'elle comprend quatre vrilles de sertissage (11a, 11b, 11c, 11d). 5. crimping blade according to claim 1, characterized in that it comprises four crimping cranks (11a, 11b, 11c, 11d). 6. Lame de sertissage selon la revendication 5, caractérisée en ce qu'elle comprend deux grandes faces opposées et quatre faces latérales reliées l'une à l'autre comportant chacune une vrille de sertissage (11a, 11b, 11c, 11d). 6. crimping blade according to claim 5, characterized in that it comprises two large opposite faces and four side faces connected to each other each having a crimp screw (11a, 11b, 11c, 11d). 7. Lame de sertissage selon l'une des revendications 1 à 6, caractérisée en ce qu'elle comprend des moyens (12) pour la fixer de façon amovible à un support. 7. crimping blade according to one of claims 1 to 6, characterized in that it comprises means (12) for fixing removably to a support. 8. Lame de sertissage selon la revendication 7, caractérisée en ce que lesdits moyens de fixation (12) permettent de modifier la position de la lame de sertissage (11) de façon à pouvoir mettre en position de travail chacune des vrilles de sertissage (11a, 11b, 11c, 11d). 8. crimping blade according to claim 7, characterized in that said fixing means (12) allow to change the position of the crimping blade (11) so as to put in the working position each of the crimping tendrils (11a , 11b, 11c, 11d). 9. Dispositif de sertissage destiné à être porté et déplacé par un robot comprenant un support (13) auquel est fixée de façon amovible une lame de sertissage selon l'une des revendications 1 à 8. Crimping device intended to be carried and moved by a robot comprising a support (13) to which is fixed in a detachable manner a crimping blade according to one of claims 1 to 8. 10. Dispositif de sertissage selon la revendication 9, caractérisé en ce que le support (13) porte un organe presseur (14) qui, lors du déplacement de la lamede sertissage (11) le long des bords respectifs (2a, 3a) des deux pièces à sertir, est apte à exercer sur l'un (3a) desdits bords, une force prédéterminée. 10. Crimping device according to claim 9, characterized in that the support (13) carries a pressing member (14) which, during the displacement of the crimping lamed (11) along the respective edges (2a, 3a) of the two parts to crimp, is able to exert on one (3a) of said edges, a predetermined force.
FR1251781A 2012-02-28 2012-02-28 CRIMPING BLADE FOR MAKING THE EDGES OF TWO PIECES OF SHEET AND CRIMPING DEVICE COMPRISING SUCH A BLADE Active FR2987290B1 (en)

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FR1251781A FR2987290B1 (en) 2012-02-28 2012-02-28 CRIMPING BLADE FOR MAKING THE EDGES OF TWO PIECES OF SHEET AND CRIMPING DEVICE COMPRISING SUCH A BLADE

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Cited By (8)

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FR3047913A1 (en) * 2016-02-22 2017-08-25 Peugeot Citroen Automobiles Sa BLADE AND METHOD OF CRIMPING SHEETS
FR3066589A1 (en) * 2017-05-19 2018-11-23 Peugeot Citroen Automobiles Sa METHOD OF CHECKING A COMPARATOR OF THE WEAR OF A CRIMPING BLADE INSTALLED IN WORKING POSITION ON A CRIMPING MACHINE.
FR3067622A1 (en) * 2017-06-19 2018-12-21 Peugeot Citroen Automobiles Sa CRIMPING TOOL FOR MAKING THE EDGES OF TWO PIECES IN SHEET
FR3067621A1 (en) * 2017-06-19 2018-12-21 Peugeot Citroen Automobiles Sa CRIMPING TOOL FOR MAKING THE EDGES OF TWO PIECES IN SHEET
FR3069796A1 (en) * 2017-08-04 2019-02-08 Psa Automobiles Sa CRUSHING HEAD COMPRISING AT LEAST ONE BALL AS A MEANS OF CRIMPING
FR3097144A1 (en) * 2019-06-14 2020-12-18 Psa Automobiles Sa Friction crimping tool
FR3101266A1 (en) 2019-09-30 2021-04-02 Psa Automobiles Sa CRIMPING TOOL AND METHOD FOR CRIMPING THE EDGES OF TWO SHEET PIECES
DE102021132428A1 (en) 2021-12-09 2023-06-15 Bayerische Motoren Werke Aktiengesellschaft Fold forming tool, fold forming device and method for producing a fold bonded joint

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FR2955509A1 (en) * 2010-01-25 2011-07-29 Peugeot Citroen Automobiles Sa Panels e.g. inner panel, assembling device, has cross arm comprising secondary crimping rollers with cross section including diameter lower than diameter of cross section of primary crimping rollers

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JP2000061557A (en) * 1998-08-25 2000-02-29 Nissan Motor Co Ltd Hemming device
US6578404B1 (en) * 2000-12-06 2003-06-17 Tod O. Rousseau Auto body crimping tool
DE102004016385B3 (en) * 2004-04-02 2005-09-08 Audi Ag Roller folder for joining sheet metal edges has folding edge and folding bed with folding roller attached to robot mounted rolling head
FR2903030A1 (en) * 2006-07-03 2008-01-04 Process Conception Ing Sa Device for assembling edge of first sheet panel on edge of second sheet panel by folding, comprises movable arm carrying tool for exerting effort on the first and second panel edges, and presetting and setting rollers arranged on pendulum
FR2955509A1 (en) * 2010-01-25 2011-07-29 Peugeot Citroen Automobiles Sa Panels e.g. inner panel, assembling device, has cross arm comprising secondary crimping rollers with cross section including diameter lower than diameter of cross section of primary crimping rollers

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3047913A1 (en) * 2016-02-22 2017-08-25 Peugeot Citroen Automobiles Sa BLADE AND METHOD OF CRIMPING SHEETS
WO2017144791A1 (en) * 2016-02-22 2017-08-31 Psa Automobiles S.A. Blade and method for crimping metal sheets
FR3066589A1 (en) * 2017-05-19 2018-11-23 Peugeot Citroen Automobiles Sa METHOD OF CHECKING A COMPARATOR OF THE WEAR OF A CRIMPING BLADE INSTALLED IN WORKING POSITION ON A CRIMPING MACHINE.
FR3067622A1 (en) * 2017-06-19 2018-12-21 Peugeot Citroen Automobiles Sa CRIMPING TOOL FOR MAKING THE EDGES OF TWO PIECES IN SHEET
FR3067621A1 (en) * 2017-06-19 2018-12-21 Peugeot Citroen Automobiles Sa CRIMPING TOOL FOR MAKING THE EDGES OF TWO PIECES IN SHEET
FR3069796A1 (en) * 2017-08-04 2019-02-08 Psa Automobiles Sa CRUSHING HEAD COMPRISING AT LEAST ONE BALL AS A MEANS OF CRIMPING
FR3097144A1 (en) * 2019-06-14 2020-12-18 Psa Automobiles Sa Friction crimping tool
FR3101266A1 (en) 2019-09-30 2021-04-02 Psa Automobiles Sa CRIMPING TOOL AND METHOD FOR CRIMPING THE EDGES OF TWO SHEET PIECES
DE102021132428A1 (en) 2021-12-09 2023-06-15 Bayerische Motoren Werke Aktiengesellschaft Fold forming tool, fold forming device and method for producing a fold bonded joint

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