DE102004030192A1 - Auxiliary assembling part processing method, involves deep-drawing and squeezing surface section of plate so that displaced material rear grips remaining part of plate, where aluminum layer is pressed together with facing surface of plate - Google Patents

Auxiliary assembling part processing method, involves deep-drawing and squeezing surface section of plate so that displaced material rear grips remaining part of plate, where aluminum layer is pressed together with facing surface of plate Download PDF

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Publication number
DE102004030192A1
DE102004030192A1 DE200410030192 DE102004030192A DE102004030192A1 DE 102004030192 A1 DE102004030192 A1 DE 102004030192A1 DE 200410030192 DE200410030192 DE 200410030192 DE 102004030192 A DE102004030192 A DE 102004030192A DE 102004030192 A1 DE102004030192 A1 DE 102004030192A1
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Germany
Prior art keywords
plate
aluminum layer
pressed together
deep
auxiliary joining
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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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DE200410030192
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German (de)
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Tox Pressotechnik GmbH and Co KG
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Tox Pressotechnik GmbH and Co KG
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Publication date
Application filed by Tox Pressotechnik GmbH and Co KG filed Critical Tox Pressotechnik GmbH and Co KG
Priority to DE200410030192 priority Critical patent/DE102004030192A1/en
Publication of DE102004030192A1 publication Critical patent/DE102004030192A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/58—Making machine elements rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations

Abstract

The method involves serving an auxiliary assembling part as a prodigal stamp, which connects a component having a plate with a surface part of the plate. A surface section of the plate is deep-drawn and squeezed due to a side wall and a base of a cavity, such that a displaced material rear grips a remaining part of the plate, and an aluminum layer on the surface section is pressed together directly with a facing surface of the plate.

Description

Stand der TechnikState of technology

Die Erfindung geht aus von einem Verfahren zur Verarbeitung eines mit einer Aluminiumschicht versehenen Hilfsfügeteils und dessen Verarbeitung, insbesondere als verlorener Stempel.The The invention is based on a method for processing a an aluminum layer provided auxiliary joining part and its processing, in particular as a lost stamp.

Bereits im Jahr 1976 wurde in USA ein Patent erteilt (US PS 3,979,351) gemäß dem ein Niet, Bolzen oder eine Schraube gegen Korrosion eine Aluminiumbeschichtung erfährt. Eine derartige Beschichtung der Oberfläche eines Hilfsfügeteils, wie beispielsweise eines Nietes, unterliegt allerdings Grenzwerten, bei denen ein Aufreißen oder sich Lösen der Aluminiumschicht von der Oberfläche des Hilfsfügeteils dann stattfindet, wenn eine entsprechende Materialverformung dieses Hilfsfügeteils stattfindet. Eine solche starke Verformung findet beispielsweise an dem dem Setzkopf des Nietes abgewandten Schließkopf statt. Hinzu kommen mechanische äußere Reibkräfte, die ebenfalls zu einem Abtragen dieser Schutzschicht führen können. Bei einem Schlagniet, der mit oder ohne Vorbohrung in das Werkstück eingeschlagen wird, wird meist schon durch die hohe mechanische Reibung im zylindrischen Randbereich des Nietschaftes dessen Oberfläche beschädigt, so dass beim fertigen Werkstück der Schließkopf und möglicherweise Teile des Nietschaftes ohne die gewünschte Schutzschicht verbleiben.Already in 1976, a patent was granted in US (US Pat. No. 3,979,351) according to the Rivet, bolt or screw against corrosion an aluminum coating experiences. Such a coating of the surface of an auxiliary joining part, such as a rivet, however, is subject to limits, where a ripping or dissolving the aluminum layer from the surface of the auxiliary joining part then takes place when a corresponding material deformation of this Auxiliary joining part takes place. Such a strong deformation takes place, for example, on the setting head the rivet facing away from the rivet instead of. In addition, there are mechanical external friction forces can also lead to a removal of this protective layer. at a Schlagniet, with or without Vorbohrung hammered into the workpiece is usually already by the high mechanical friction in the cylindrical Edge area of the rivet shank whose surface is damaged, so that when finished Workpiece of the closing head and possibly Parts of the rivet shank remain without the desired protective layer.

Der Erfindung liegt die Aufgabe zugrunde ein Verfahren oder ein Hilfsfügeteil zu entwickeln, bei dem die Aluminiumschicht, soweit sie als Schutzschicht nach außen dient, nach der Verarbeitung erhalten bleibt.Of the Invention is the object of a method or a Hilfsfügeteil to develop in which the aluminum layer, as far as it is used as a protective layer outward serves, is preserved after processing.

Diese Aufgabe wird dadurch gelöst, dass das Hilfsfügeteil als verlorener Stempel dient, der zum Verbinden eines Bauteiles mit einer Platte mit Flächenteilen der Platte in eine dem Stempel gegenüber angeordnete Matrize gedrückt wird und zwar ohne Durchtrennung der Platte, wobei Flächenabschnitte der Platte zuerst tiefgezogen und danach aufgrund der Seitenwände und des Bodens der Matrize verquetscht werden, wobei das verdrängte Material den stehen gebliebenen Teil der Platte hintergreift und wobei die Aluminiumschicht auf dem tiefgezogenen und verquetschten Abschnitt des Hilfsfügeteils unmittelbar mit den ihnen zugewandten Flächen der Platte zusammengepresst sind. Hierbei wird vor allem der außerhalb der Platte verbleibende und mit der Aluminiumschicht versehene Abschnitt des Hilfsfügeteils nicht beschädigt.These Task is solved by that the auxiliary joining part serves as a lost punch, which is used to connect a component with a plate with surface parts the plate is pressed in a die arranged opposite the die without cutting through the plate, with surface portions of the plate first deep drawn and then due to the side walls and the bottom of the die be squashed, the repressed material remained standing Part of the plate engages behind and taking the aluminum layer up the deep-drawn and squeezed portion of the auxiliary joining part pressed together directly with their facing surfaces of the plate are. This is especially the remaining outside of the plate and with the aluminum layer provided portion of the auxiliary joining part not damaged.

Nach einer vorteilhaften Ausgestaltung der Erfindung ist das Material des Hilfsfügeteils härter als das der Platte, so dass ein Fließen des Stempelmaterials erst im Quetschvorgang und nach dem Tiefziehen stattfinden kann, wodurch die Aluminiumschicht weitgehend erhalten bleibt.To An advantageous embodiment of the invention is the material of the auxiliary joining part harder than that of the plate, so that a flow of the stamp material only can take place in the crimping and after deep drawing, which the aluminum layer is largely retained.

Nach einer zusätzlichen vorteilhaften Ausgestaltung der Erfindung werden Unebenheiten zwischen der Matrizenwand und dem verquetschten Plattenmaterial durch das Schichtmaterial aus Aluminium ausgefüllt, wodurch die Festigkeit der Verbindung erhöht wird.To an additional one advantageous embodiment of the invention are unevenness between the die wall and the squeezed plate material through the Layer material filled out of aluminum, reducing the strength the connection increases becomes.

Nach einer zusätzlichen vorteilhaften Ausgestaltung der Erfindung wird die Aluminiumschicht auf den Hilfsfügeteilen galvanisch erzeugt.To an additional one advantageous embodiment of the invention, the aluminum layer on the auxiliary joining parts galvanically generated.

Claims (4)

Verfahren zur Verarbeitung eines mit einer Aluminiumschicht versehenen Hilfsfügeteils und dessen Verarbeitung, insbesondere als verlorener Stempel, dadurch gekennzeichnet, dass das Hilfsfügeteil als verlorener Stempel dient, der zum Verbinden eines Bauteiles mit einer Platte mit Flächenteilen der Platte in eine dem Stempel gegenüber angeordnete Matrize gedrückt wird und zwar ohne Durchtrennung der Platte, wobei Flächenabschnitte der Platte zuerst tiefgezogen und danach aufgrund der Seitenwände und des Bodens der Matrize verquetscht werden, wobei das verdrängte Material den stehen gebliebenen Teil der Platte hintergreift und wobei die Aluminiumschicht auf dem tiefgezogenen und verquetschten Abschnitt des Hilfsfügeteils unmittelbar mit den ihnen zugewandten Flächen der Platte zusammengepresst sind.Method for processing an auxiliary joining part provided with an aluminum layer and its processing, in particular as a lost punch, characterized in that the auxiliary joining part serves as a lost punch, which is pressed into a die arranged opposite the punch for joining a component to a plate with surface parts of the plate without cutting through the plate, wherein surface portions of the plate are first deep drawn and then crushed due to the side walls and the bottom of the die, wherein the displaced material engages behind the left part of the plate and wherein the aluminum layer on the deep-drawn and squashed portion of the auxiliary joining part immediately are pressed together with their facing surfaces of the plate. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass ein Fließen des Stempelmaterials erst im Quetschvorgang und nach dem Tiefziehen stattfinden kann, wodurch die Aluminiumschicht weitgehend erhalten bleibt.Method according to claim 1, characterized in that that a flow the stamp material only in the crimping and after deep drawing can take place, whereby the aluminum layer largely preserved remains. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Unebenheiten zwischen der Matrizenwand und dem verquetschten Plattenmaterial durch das Schichtmaterial aus Aluminium ausgefüllt werden.Method according to claim 1 or 2, characterized that the bumps between the die wall and the squeezed Plate material are filled by the layer material made of aluminum. Verfahren nach Anspruch 1 bis 3, dadurch gekennzeichnet, dass die Aluminiumschicht auf den Hilfsfügeteilen galvanisch erzeugt wird.Method according to Claims 1 to 3, characterized the aluminum layer is galvanically generated on the auxiliary joining parts becomes.
DE200410030192 2004-06-22 2004-06-22 Auxiliary assembling part processing method, involves deep-drawing and squeezing surface section of plate so that displaced material rear grips remaining part of plate, where aluminum layer is pressed together with facing surface of plate Withdrawn DE102004030192A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200410030192 DE102004030192A1 (en) 2004-06-22 2004-06-22 Auxiliary assembling part processing method, involves deep-drawing and squeezing surface section of plate so that displaced material rear grips remaining part of plate, where aluminum layer is pressed together with facing surface of plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410030192 DE102004030192A1 (en) 2004-06-22 2004-06-22 Auxiliary assembling part processing method, involves deep-drawing and squeezing surface section of plate so that displaced material rear grips remaining part of plate, where aluminum layer is pressed together with facing surface of plate

Publications (1)

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DE102004030192A1 true DE102004030192A1 (en) 2006-01-19

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DE200410030192 Withdrawn DE102004030192A1 (en) 2004-06-22 2004-06-22 Auxiliary assembling part processing method, involves deep-drawing and squeezing surface section of plate so that displaced material rear grips remaining part of plate, where aluminum layer is pressed together with facing surface of plate

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979351A (en) * 1973-01-26 1976-09-07 Hi-Shear Corporation Protective coating material
DE19913695A1 (en) * 1998-03-25 2000-01-20 Tox Pressotechnik Gmbh Tool for press device for rivet-type connection of components, e.g. as plates, bolts, nuts etc. with plate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979351A (en) * 1973-01-26 1976-09-07 Hi-Shear Corporation Protective coating material
DE19913695A1 (en) * 1998-03-25 2000-01-20 Tox Pressotechnik Gmbh Tool for press device for rivet-type connection of components, e.g. as plates, bolts, nuts etc. with plate

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