Trw Fahrwerksysteme Gmbh & Co. Kg

Zf Lemf&ouml;rder Metallwaren Ag

Klaus Rosenberger

Markus Th&ouml;lking

Harald Dorth

Detlef Schellack

Horst Stelljes

A process is provided for manufacturing a ball-and-socket joint housing by cold forming from a blank (R), which is preferably produced from a bar or wire material and is prepared for forming. A first axial depression ( ) with a diameter (D ) is first prepared by reverse cup extrusion. A second axial depression ( ) with a comparatively larger diameter (D ) is subsequently prepared in the axial depression ( ) by reverse cup extrusion. A diameter reduction (D ) also of the first axial depression ( ) is formed in some sections by the deformation of the material during the second reverse cup extrusion.

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Krefeld, Germany

Klaus Rosenberger