Gkss-forschungszentrum Geesthacht Gmbh

Helmholtz-zentrum Geesthacht Zentrum Fur Material Und Kustenforschung Gmbh

Ckss Forchungszentrum Geesthacht Gmbh

Helmholtz-zentrum Hereon Gmbh

Henry Loitz

Jorge F Dos Santos

Jens Peter Wulfsberg

Arne Roos

Luciano Bergmann

Alexander Von Strombeck

Shahram Sheikhi

Jens Von Der Wense

Jorge Dos Santos

Jorge Fernandez Dos Santos

Dos Santos

Rudolph Zettler

A device for depositing a material layer on a surface of a workpiece has a deposition facility with a hollow shoulder that is rotatable about an axis relative to a base. The shoulder has an indentation that is limited by a circumferential annular face. A passage opening, which is smaller in diameter than the indentation, is formed in the shoulder along the axis. The shoulder is rotated and a deposition material is fed through the passage opening into the indentation where it is plasticized in the indentation. The deposition facility is moved over the surface in such a way that the indentation points towards the surface and a workpiece plane runs tangentially to the surface at the point at which the axis intersects the surface. The annular face is distanced from the surface such that plasticized deposition material is deposited on the surface. A related deposition method is also provided.

Device and method for the deposition of a material layer on a surface area of a workpiece

Illustrated and described is a friction stir welding device for mounting on a handling device. The object that the forces and moments which have to be absorbed by the handling device during the welding operation in the course of the movement of the friction stir welding tool along the weld seam are independent of the welding operation is achieved by a friction stir welding device with a tool drive, with a mounting element for connection to the handling device, with a friction stir welding tool, which is driven by the tool drive in a rotating manner about an axis of rotation, with a counterbearing roller and with a counterbearing drive, the counterbearing drive driving the counterbearing roller in a rotating manner about a counterbearing axis and the circumferential surface of the counterbearing roller being arranged opposite the friction stir welding tool.

Friction stir welding tool with counterbearing for mounting on a handling device

An apparatus is proposed for connection of workpieces using the friction stir welding method, with a shaft (') which can be driven such that it rotates and at whose end remote from the drive end of the shaft a pin-like projection () is arranged, at whose end a first stop, which is formed by a first shoulder (), is arranged, with the first shoulder having a diameter which is larger than the diameter of the pin-like projection (), and with a second stop (&#x2032;), which is formed from a second shoulder and is arranged such that the workpieces () to be connected can be enclosed between the stops (&#x2032;), in that at least one of the stops can be moved translationally in order to enclose the workpieces () with a predetermined force in the direction of the other stop. The apparatus () is in this case designed such that the second shoulder () or the second stop is designed such that it can be rotated, and the first and the second shoulder () or the first and the second stop are designed such that they can be rotated in the opposite sense.

Apparatus for connection of workpieces using the friction stir welding method

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Hamburg, Germany

Henry Loitz