EP1177844B1 - Dispositf pour joindre des pièces en tôle par rivetage autoperforant ou d'agrafage - Google Patents

Dispositf pour joindre des pièces en tôle par rivetage autoperforant ou d'agrafage Download PDF

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Publication number
EP1177844B1
EP1177844B1 EP01117253A EP01117253A EP1177844B1 EP 1177844 B1 EP1177844 B1 EP 1177844B1 EP 01117253 A EP01117253 A EP 01117253A EP 01117253 A EP01117253 A EP 01117253A EP 1177844 B1 EP1177844 B1 EP 1177844B1
Authority
EP
European Patent Office
Prior art keywords
die
coating
clinching
coated
carbon
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.)
Expired - Lifetime
Application number
EP01117253A
Other languages
German (de)
English (en)
Other versions
EP1177844A1 (fr
Inventor
Matthias Dipl.-Ing. Jokisch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stanley Engineered Fastening Industrial Deutschland GmbH
Original Assignee
Avdel Verbindungselemente GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Avdel Verbindungselemente GmbH filed Critical Avdel Verbindungselemente GmbH
Publication of EP1177844A1 publication Critical patent/EP1177844A1/fr
Application granted granted Critical
Publication of EP1177844B1 publication Critical patent/EP1177844B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/025—Setting self-piercing rivets
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/01—Selection of materials
    • 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
    • B21D39/03—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 otherwise than by folding
    • B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/36—Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00

Definitions

  • US-A-5 046 228 discloses an apparatus for joining sheets by clinching suitable for joining aluminum sheets.
  • the corresponding punch rivet matrices or matrices and punches for the clinching develop further that significantly lower forces in the Processing is necessary, and the problem of emergence of alloys to the matrices, so a kind of cold welding or "eating", be prevented.
  • this object is achieved in that the die at least partially coated with a carbon layer. Surprisingly performs such a coating that um about 20% lower forces for making the same Connection are required.
  • the problem with the alloying of aluminum sheets safely fixed. additionally The wear of the dies is considerably lower, and even if wear occurs, this usually leads only to wear the coating so that the die continue to be used after a suitable post-coating can, and not be replaced by a new die got to.
  • stamp In devices for clinching, which in addition to the die have a stamp, it is particularly preferred although the stamp at least partially with a corresponding carbon layer is coated.
  • the matrix often has an anvil on it laterally movable jaws, where it is particularly preferred is that both the anvil and the jaws at least partially coated with a carbon layer.
  • a particularly suitable coating is a carbon coating in the form of a diamond like carbon (DLC) coating proved.
  • DLC diamond like carbon
  • Fig. 1 shows an embodiment of the present invention in the form of a die for the punch riveting.
  • the corresponding Die 10 has an annular, smooth outer Surface 12, which to be joined by a punch rivet Sheet metal parts facing. In the middle of this circular Surface 12 is except a die 14, in which the Joining point is formed in the punch riveting process.
  • Fig. 1 As indicated in Fig. 1 by the dotted lines, are the surface 12 and the die 14 according to the invention specifically coated with carbon. It's about a so-called “diamond like carbon” (DCL) coating. This method creates a extremely thin crystalline carbon deposit on the treated Object. As shown in Fig. 1, the appropriate coating around the corner on one Partial surface of the lateral surface of the die 10 extend. critical is, however, that those surfaces coated are that come into contact with the sheet to be processed.
  • DCL diamond like carbon
  • Fig. 2 shows a die 20 for clinching. This consists of a substantially cylindrical anvil 22, the Also shown in Fig. 3 alone, with rounded leading edges. To the anvil four jaws 21 are arranged and on Anvil 22 stored so that they produce a joining point with the methods of clinching elastic and can dodge resilient to the side.
  • the upper (front) end face of the anvil 22 with the carbon coating DLC described above coated can also be applied to one Part of the lateral surface of the anvil 22 extend.
  • coated areas are shown in FIG. 3 with a dot-dash line designated overflowing line.
  • Fig. 4 shows the also inventively coated jaws 21 of the die 20.
  • the O- (Front) side of the jaws 21 DLC-coated. It But we recommend the jaws 21, which are always special are exposed to high loads during insertion, completely in the manner described above with carbon too Coating, as shown in Fig. 4 by the dot-dash line Line is indicated.
  • Fig. 5 shows a punch 30, which is used to produce a joining point can interact with the die 20.
  • This includes in particular a cylindrical projection 32 whose diameter slightly smaller than the diameter of the opening, the is formed by the jaws 21.
  • this cylindrical part 32 of the punch 30 in the above-described Way with carbon DLC-coated.
  • the coating should be at least on the face the cylindrical part 32 and a part of the adjoining Extend lateral surface.
  • this coating can also be retrofitted already existing dies and stamps are applied.
  • the coating according to the invention can be worn be replaced so that instead of a replacement of the respective Tools a new story is enough.
  • DLC Diamond like Carbon
  • the disadvantage of the DLC coating is that the Layer has wear over time and thus the adhesion of aluminum arises again. Remedy can be here cyclic change of the matrices e.g. as determined in the experiment, every three days. There is a possibility then de-layer and re-coat these matrices. Here a logistical procedure must be created, which the Number of circulating matrices realized cost-effectively. It is estimated that the life of a recoated Matrix about 60% of a new coated Die corresponds. However, this has to be proven in practice.

Claims (4)

  1. Dispositif pour assembler des tôles d'aluminium par des rivets ou des joints traversants, comportant une matrice (10 ; 20), caractérisé en ce que la matrice (10; 20) est recouverte au moins en partie d'un revêtement «diamond-like carbon » (DLC) (carbone analogue au diamant).
  2. Dispositif selon la revendication 1, caractérisé en ce que la matrice (10; 20) est recouverte, dans la zone tournée vers le point d'assemblage, d'un revêtement « diamond-like carbon » (DLC).
  3. Dispositif selon la revendication 1 ou 2 pour l'assemblage traversant comportant un poinçon (30) supplémentaire, caractérisé en ce que le poinçon (30) aussi est recouvert au moins en partie d'un revêtement « diamond-like carbon » (DLC).
  4. Dispositif selon la revendication 3, dans lequel la matrice (20) comprend une enclume (22) avec des mâchoires (21) mobiles latéralement sur celle-ci, caractérisé en ce que l'enclume (22) ainsi que les mâchoires (21) sont recouvertes au moins en partie d'un revêtement « diamond-like carbon » (DLC).
EP01117253A 2000-08-05 2001-07-17 Dispositf pour joindre des pièces en tôle par rivetage autoperforant ou d'agrafage Expired - Lifetime EP1177844B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20013526U DE20013526U1 (de) 2000-08-05 2000-08-05 Vorrichtung zum Verbinden von Blechen durch Stanznieten oder Durchsetzfügen
DE20013526U 2000-08-05

Publications (2)

Publication Number Publication Date
EP1177844A1 EP1177844A1 (fr) 2002-02-06
EP1177844B1 true EP1177844B1 (fr) 2004-03-03

Family

ID=7944832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01117253A Expired - Lifetime EP1177844B1 (fr) 2000-08-05 2001-07-17 Dispositf pour joindre des pièces en tôle par rivetage autoperforant ou d'agrafage

Country Status (7)

Country Link
US (1) US20020038566A1 (fr)
EP (1) EP1177844B1 (fr)
AT (1) ATE260720T1 (fr)
AU (1) AU778982B2 (fr)
DE (2) DE20013526U1 (fr)
ES (1) ES2218314T3 (fr)
PT (1) PT1177844E (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10155234A1 (de) * 2001-11-09 2003-05-22 Volkswagen Ag Werkzeug aus Kunststoff
DE102004054582A1 (de) * 2004-11-11 2006-05-24 Siemens Ag Verfahren zum Verbinden von Bauteilen durch Nieten oder Schrauben und Laserschweißen
DE112007001331B4 (de) 2006-05-31 2023-11-02 Atlas Copco IAS UK Ltd. Verfahren und Vorrichtung zum Verbinden
DE102015107337A1 (de) * 2015-05-11 2016-11-17 Böllhoff Verbindungstechnik GmbH Matrizenwechsler mit daran angepasster Wechselmatrize und Matrizendom sowie Verfahren zum Entfernen und Einsetzen der Wechselmatrize
DE102015213438A1 (de) * 2015-07-17 2017-01-19 Robert Bosch Gmbh Stanznietvorrichtung und Fertigungsvorrichtung
DE102015214614A1 (de) * 2015-07-31 2017-02-02 Robert Bosch Gmbh Gegenhalter für eine Stanznietvorrichtung, Stanznietvorrichtung, Verwendung eines Gegenhalters und Verfahren zum Herstellen eines Gegenhalters
US10576532B2 (en) 2015-12-14 2020-03-03 GM Global Technology Operations LLC Systems and methods for joining components by riveting
WO2017136169A1 (fr) 2016-02-03 2017-08-10 Utica Enterprises, Inc. Appareil et procédé d'assemblage mécanique d'acier haute résistance de pointe
US10377508B2 (en) * 2016-11-29 2019-08-13 The Boeing Company Enhanced tooling for interference-fit fasteners
DE102017130449B4 (de) * 2017-12-14 2021-01-21 Schaeffler Technologies AG & Co. KG Stempelwerkzeug zum Reibnieten
US10825262B2 (en) 2018-02-06 2020-11-03 General Electric Company Systems and methods for bearing health monitoring in power plants
FR3098557B1 (fr) * 2019-07-12 2021-06-11 Renault Sas Bouterolle de rivetage à revêtement de surface antifriction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805688A1 (de) * 1988-02-24 1989-09-07 Eckold Vorrichtung Vorrichtung zum durchsetzfuegen von blechwerkstuecken
US5046778A (en) * 1990-06-29 1991-09-10 The Standard Products Company Reduced weight vehicle door pillar
DE4029270C1 (fr) * 1990-09-14 1992-04-09 Balzers Ag, Balzers, Li
DE69330244T2 (de) * 1992-12-07 2001-09-06 Fuji Photo Film Co Ltd Perforator für Metallplatten
DE19718576A1 (de) * 1997-05-05 1998-11-12 Hahn Ortwin Vorrichtung und Verfahren für mechanische Fügetechniken

Also Published As

Publication number Publication date
EP1177844A1 (fr) 2002-02-06
AU5770801A (en) 2002-02-07
ES2218314T3 (es) 2004-11-16
PT1177844E (pt) 2004-07-30
AU778982B2 (en) 2004-12-23
DE50101586D1 (de) 2004-04-08
ATE260720T1 (de) 2004-03-15
DE20013526U1 (de) 2000-12-07
US20020038566A1 (en) 2002-04-04

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