Schuler Pressen Gmbh

Schuler Pressen Gmbh + Co. Kg

Martin Gaebges

Juergen Fahrenbach

Jürgen Fahrenbach

Tobias Schwarz

Gerhard Pick

Michael Richter

Klaus Blei

Roland Schmid

A casting device includes a mold cavity configured to form a hollow space for a cast part, a casting chamber for a metal melt, a gating system, an annular duct for the metal melt, and at least two annular duct connections configured to connect the casting chamber to the annular duct. The annular duct is configured to be connectable with the mold cavity via the gating system.

Casting device with an annular duct and a casting method

A method for a die casting with a casting device which includes a casting valve with a valve piston and a post-compression piston configured to provide a post-compression. The method includes providing a casting valve in a closed position and a mold cavity which is cleaned and prepared for a mold filling process, opening the casting valve for a casting, filling the casting valve with a melt, closing the casting valve after the filling with the melt, cooling the casting valve and the melt, and removing a cast part. A post-compression is provided to the melt during the cooling by the post-compression piston.

Casting valve with a post-compression piston

A casting valve configured to supply a melt of a casting device includes a valve housing including a melt channel connection as an inlet and a valve outlet as a run-out. A melt channel is configured to be pressurizable via a casting pressure. A valve compartment is configured to receive the melt. The valve compartment is connectable via the melt channel connection with the melt channel. A closing device is configured to modify a cross-sectional surface of the valve outlet. A post-compression piston is configured to post-compress the melt after a completion of a mold filling.

The invention concerns an arrangement () and a method for the manufacture of can bodies from pot-shaped blanks (). To this end, the blank () is inserted into a bottom tool part (). The blank () is clamped between a downholder () and a counter support surface () of the lower tool part (). For controlling a position value &#x3b1; determining the position and/or position change of the downholder (), a drive arrangement () is provided. The drive arrangement controls the position value in accordance with a predetermined course, so as to move the downholder () into the clamping position or out of the clamping position EP. As soon as the downholder () reaches its clamping position EP, the drive unit () controls a force value in accordance with a predetermined course which determines the clamping force F(t) which is applied by the downholder () to the blank (). This occurs preferably by an adjustment of the motor current I to a predetermined course of the desired value I(t).

Downholder control in the manufacture of can bodies

For the manufacture of can bodies as they are needed for the manufacture of aerosol cans or beverage cans, a special toolis provided which combines the manufacture of the cup as well as the transformation of the cup into a can body into a single tool. The process is based on preferably round metal sheets which are first drawn in a first draw-stretching step of the toolinto cups and then are draw-stretched in a second draw-stretch process, the further draw- and slide-down-stretch to form can bodies. The drawing arrangements are the same in both operating steps. The tools required therefore are simple sturdy tools providing for a simple sturdy manufacturing process.

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Albershausen, Germany

Martin Gaebges