Robert Boschgmbh

Bernd Schaefer

David Breuer

Gerd Dornhoefer

Martin Schoepf

Andreas Michalowski

Wilhelm Hopf

Thomas Kiedrowski

Gernot Repphun

Sergey Solovyev

A method is used to treat a surface of a brake disc to increase the adhesive power of a coating to the surface. The method includes roughening the surface by introducing at least one depression in the surface. The width of the depression is widened with increasing depth of the depression. A positive connection is formed between the brake disc and the coating via an undercut.

Brake disc and method for treating the surface of a brake disc

A method for machining a workpiece which includes a conductor which carries a time-variable current along its longitudinal axis and is guided by an upper guide and a lower guide. A magnetic field is produced between the guides, the upper guide being located at a distance above the magnetic field and the lower guide at a distance below the magnetic field.

Method for machining a workpiece

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Ludwigsburg, Germany

Bernd Schaefer