Robert Boschgmbh

Atz-evus Applikations-und Technikzentrum

Hyrdro Aluminium Deutschland Gmbh

Josef Steibl

Achim Sach

Alexander M Stoll

Wolfgang Hockauf

Reinhard Schirsch

Waldemar Zielasko

Mike Roger Girguis

Markus Nolte

Dietmar Hoffmann

Berthold Aumuller

Eckart Schillo

Frank Dornenburg

Klaus Dotzler

A light metal cylinder crankcase for combustion engines has cylinder bushings with a running layer that forms the running surface and a rough, external bonding layer for bonding the cylinder bushings to the cylinder crankcase while pouring the cylinder crankcase. At least 60% of the bonding layer relative to the jacket surface of the bonding layer is connected with the casting material of the cylinder crankcase in a material tight manner.

Cylinder crankcase, procedure for manufacturing the cylinder bushings for the cylinder crankcase, and procedure for manufacturing the cylinder crankcase with these cylinder bushings

A device for processing a workpiece which, for this purpose, is fixed inside a working space (or enclosure) in a machining center and is processed with the aid of a tool. To remove processing residues, a gas stream is made to flow through working space, which is formed, for this purpose, like a nozzle. So as to improve further the removal of undesired processing residues from working space, without at the same time increasing the performance of the devices generating air stream, the working space is widened after the narrowest cross sectional area, in the flow direction of gas stream, similar to a Laval nozzle, machining center being situated in the region of the greatest flow speed. Because of this arrangement, in addition, an undesired limitation of working space available for machining center may be avoided.

Device for processing a workpiece

Growing community of inventors

Unterschleissheim, Germany

Josef Steibl