Thyssenkrupp System Engineering Gmbh

Thyssen Krupp Ag

Thyssenkrupp Steel Europe Ag

Thyssenkrupp Drauz Nothelfer Gmbh

Peter Cornelius

Thomas Ralle

Jens Husner

Stefan Leidinger

Azeddine Chergui

Andreas Niesen

Michael Klos

Axel Luft

Michael Döbert

Uwe Feis

David Klecha

Artur Klink

Florian Nicolaus

Thomas Hahn

Mirko Weiland

Helmut Kasper

Stefan Kaiser

Matthias Eisner

Christoph Olaineck

Michael Schultz

The present disclosure concerns devices and methods for resistance welding sandwich sheets to other components. Many sandwich sheets include a thermoplastic material layer disposed between two metallic cover layers. The sandwich sheet and the other component may be secured relative to one another by a clamping arrangement. A region of the sandwich sheet to be welded may be heated by a preheating current to soften and displace the thermoplastic material layer when the cover layers are pressed together. With respect to the preheating current, a first electrode arrangement may at least temporarily contact an electrically conductive contacting region of the clamping arrangement such that the preheating current can flow via the clamping arrangement. The cover layers may be welded to the other component with a welding current via the first welding electrode of the first electrode arrangement and a second welding electrode of a second electrode arrangement.

Method and device for the resistance welding of sandwich sheets

A welding electrode unit includes a repositioning device that is movable. The repositioning device includes an energy storage device by way of which a welding electrode is connected directly or indirectly with the energy storage device can have a force applied to it for the purpose of a repositioning movement. The repositioning device is movable into a welding position by way of a forward movement and can be locked in the welding position.

Welding electrode unit

A device () is provided for connecting a metal sheet (') at the edges, particularly body sheet metal in automobiles. The device () includes at least one folding bed () for receiving at least two metal sheets, folding jaws () which are functionally connected to associated folding jaw supports (), at least one thermal jointing tool (), and at least one mass electrode (&#x2032;). At least the joining tool is not attached to the folding jaws, and the joining tool contains a lever oriented away from the folding bed as a linear feed device. The lever () has a center of rotation () outside the folding bed, wherein the joining tool can swivel in the manner of a knee lever into an operating and/or non-operating position.

Device for connecting metal sheet at the edges

A method for producing attached parts for a motor vehicle, for example doors, dampers, mudguards formed by internal () and external () sheets. The external sheet () is inward bent in the visible areas of the door or attached part, the sheet edges being practically parallel to the plane of attached parts in the invisible (not apparently visible) areas of the door or attached part. The internal sheet () is pushed against the external sheet () in a flanged area in such a way that a small accurately defined gap for laser welding is produced. The internal () and external () sheets are welded to each other in the form of an overlap joint in the opposite invisible areas, thereby compensating tolerances.

Method for producing attached parts for a vehicle and the thus produced attached parts

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Kasel, Germany

Peter Cornelius