Gebruder Buhler Ag

Buhler Druckguss Ag

Werner Brugger

Benno Niedermann

Paul Jung

The invention relates to a method for vacuum diecasting and a diecasting mould (), especially for diecasting components made of metal or the alloys thereof. The aim of the invention is to provide a better casting quality while simplifying the procedure of the method. To this end, the evacuation of the die cavity () and the filling with molten bath are carried out independently from one another.

Method for vacuum diecasting and diecasting mould

In a die-casting or injection molding machine transducers are provided for generating a signal corresponding to the injection pressure as well as a signal in accordance with the velocity of the ram device, i.e. the injection screw or the injection piston of the machine. The output signals of these transducers are supplied to a calculating stage for calculating the actual injection power. The resulting signal at the output of the calculating stage is fed to an evaluation device, preferably comprising an indicating device, but also a control circuit, if desired.

Machine for molding articles by injection molding or die casting

In a die-casting or injection molding machine transducers are provided for generating a signal corresponding to the injection pressure as well as a signal in accordance with the velocity of the ram device, i.e. the injection screw or the injection piston of the machine. The output signals of these transducers are supplied to a calculating stage for calculating the actual injection power. The resulting signal at the output of the calculating stage is fed to an evaluation device, preferably comprising an indicating device.

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Niederuzwil, Switzerland

Werner Brugger