Sms Meer Gmbh

Sms Eumuco Gmbh

Sms Group Gmbh

Stephan Frehe

Uwe Muschalik

Nikolaus Jakoby

Andreas Wershofen-Crombach

Herbert Süther

Cornelio Lioni

Johannes Steves

The invention relates to extrusion and pipe presses (), comprising a press frame consisting of a cylindrical spar () and a counter spar () connected thereto, in which a mobile billet container holder () supporting a billet container (), which puts a billet () to be pressed, which was introduced by a loading device, into a press position in front of the counter spar () with the associated tool (), and a mobile punch crosshead () are provided. In the cylindrical spar (), a main cylinder, or press cylinder, is arranged, which in the cylinder housing () thereof receives a press piston (), which at the front end thereof that is supported by the punch crosshead () is connected to a press punch (). A compensation tank (), which delivers hydraulic oil to the press piston () by way of a slider plate (), is assigned to a main cylinder housing () connected to a tank line. With an extrusion press such as this, the considerable hydraulic expenditure, and in particular the non-productive time, are to be substantially reduced, while making the structural design more compact and simple at the same time. To accomplish this, the advancing and feed motions of the billet container holder () and punch crosshead () with press piston () are carried out by electromotive force, and both the precompression of the billet () loaded into the billet container () and the subsequent compression of the billet () are done by hydraulic loading of the press piston (). Electric motors () are assigned to the punch crosshead () and the billet container holder () as adjustment drives. A large-scale filling valve () is integrated in the cylinder housing () of the main cylinder for loading the press piston ().

Method for producing metal extrusion press products, and extrusion and tube press

A withdrawing device for a press that outputs an elongated workpiece in a direction has a first guide extending in the direction and carrying a first carriage movable by a first motor. A second guide extending in the direction on the first carriage carries a second carriage displaceable in the direction on the second guide by a second motor. The workpiece is clamped to the second carriage. A controller is connected to the first and second motors for shifting the second carriage in the direction at a speed independent of a speed of the first carriage while the first carriage is moving in the direction.

Device for withdrawing a bar produced in a bar extruder or pipe extruder

Growing community of inventors

Erkrath, Germany

Stephan Frehe